--- title: "Cheap flights from Thunder Bay (YQT) to Seattle (SEA) from CA $447 - Expedia.ca" description: "Looking for cheap flights from Thunder Bay (YQT) to Seattle (SEA)? Compare prices by dates with one-way flights from CA $447 and roundtrip from CA $775!" canonical: "https://www.expedia.ca/lp/flights/yqt/sea/thunder-bay-to-seattle" language: en-CA market: CA currency: CAD prices_as_of: 2026-11-14T05:57:02Z --- # CA $447 Cheap Flights from Thunder Bay (YQT) to Seattle (SEA) ![An Alaska Airlines plane taking off with a snow-capped mountain in the background.](https://images.trvl-media.com/place/4277587/243e0080-658e-4d66-b182-b1cfb567d957.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View CA $447 flight on Fri, Jan 8, 2027](https://www.expedia.ca/Flights-Search?leg1=from:YQT,to:SEA,departure:08/01/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:446.16&airProductToken=AQqnAQo1CNCIARIDMjIyGJicASCYzgEoiPuhAzD2-6EDOExAAFgBaghTVEFOREFSRHIITDZBMFpEWlMKNwjEmAESBDQ4ODEYmM4BIOO0ASjV%5FKEDMLz9oQM4VkABWAFqCU1BSU5DTEFTQ3IIVkFVU0EwTUwKNQjEmAESAzk0NBjjtAEgkgEogP6hAzCwgKIDOFZAAVgBaglNQUlOQ0xBU0NyCFZBVVNBME1MEgoIARABGAEqAlBEGAEiBAgBEAEoAigDKAQwAQ) Photo by Port of Seattle ## Popular airlines from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle-Tacoma International Airport (SEA) [Air Canada](https://www.expedia.ca/Flights-Search?leg1=from:YQT,to:SEA,departure:28/11/2026TANYT&leg2=from:SEA,to:YQT,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) [United](https://www.expedia.ca/Flights-Search?leg1=from:YQT,to:SEA,departure:28/11/2026TANYT&leg2=from:SEA,to:YQT,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap Flights from Thunder Bay to Seattle (YQT-SEA) Prices were available within the past 7 days and start at CA $447 for one-way flights and CA $775 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select WestJet flight, departing Thu, May 27 from Thunder Bay to Seattle, returning Sun, Jun 13, priced at CA $775 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YQT,to:SEA,departure:27/05/2027TANYT&leg2=from:SEA,to:YQT,departure:13/06/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:774.11&airProductToken=AQpECiAI16YBEgM3ODMYmJwBIJgWKNacrgMwj56uAzhFQABYAQogCNemARIEMTU1MBiYFiCSASjVo64DMMikrgM4RUABWAEKRAogCNemARIEMTU1NRiSASCYFiib3a8DMP%5FdrwM4RUAAWAEKIAjXpgESAzc4MhiYFiCYnAEov-WvAzDk5q8DOEVAAVgBEgoIARABGAEqAldTGAEiBAgBEAEoBDAB) Thu, May 27 - Sun, Jun 13 · YQT · SEA · Roundtrip [Select WestJet flight, departing Thu, May 20 from Thunder Bay to Seattle, returning Wed, Jun 9, priced at CA $790 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YQT,to:SEA,departure:20/05/2027TANYT&leg2=from:SEA,to:YQT,departure:09/06/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:789.44&airProductToken=AQpECiAI16YBEgM3ODMYmJwBIJgWKPbNrQMwr8-tAzhFQABYAQogCNemARIEMTU1MBiYFiCSASj11K0DMOjVrQM4RUABWAEKRAogCNemARIEMTU1NRiSASCYFiibsK8DMP-wrwM4RUAAWAEKIAjXpgESAzc4MhiYFiCYnAEov7ivAzDkua8DOEVAAVgBEgoIARABGAEqAldTGAEiBAgBEAEoBDAB) Thu, May 20 - Wed, Jun 9 · YQT · SEA · Roundtrip [Select WestJet flight, departing Fri, May 21 from Thunder Bay to Seattle, returning Wed, Jun 9, priced at CA $805 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YQT,to:SEA,departure:21/05/2027TANYT&leg2=from:SEA,to:YQT,departure:09/06/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:804.77&airProductToken=AQpECiAI16YBEgM3ODMYmJwBIJgWKJbZrQMwz9qtAzhFQABYAQogCNemARIEMTU1MBiYFiCSASiV4K0DMIjhrQM4RUABWAEKRAogCNemARIEMTU1NRiSASCYFiibsK8DMP-wrwM4RUAAWAEKIAjXpgESAzc4MhiYFiCYnAEov7ivAzDkua8DOEVAAVgBEgoIARABGAEqAldTGAEiBAgBEAEoBDAB) Fri, May 21 - Wed, Jun 9 · YQT · SEA · Roundtrip [Select WestJet flight, departing Thu, Apr 29 from Thunder Bay to Seattle, returning Thu, May 13, priced at CA $828 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YQT,to:SEA,departure:29/04/2027TANYT&leg2=from:SEA,to:YQT,departure:13/05/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:827.27&airProductToken=AQpECiAI16YBEgM3ODMYmJwBIJgWKNbhqwMwj-OrAzhMQABYAQogCNemARIEMTU1MBiYFiCSASjV6KsDMMjpqwM4TEABWAEKZwohCNemARIEODY5MRiSASC4jQEo3PqsAzCp-6wDOExAAFgBCiAI16YBEgMxMTAYuI0BIJgWKKT8rAMw%5FvysAzhMQAFYAQogCNemARIDNzgyGJgWIJicASi%5F%5FawDMOT-rAM4TEABWAESCggBEAEYASoCV1MYASIECAEQASgEMAE) Thu, Apr 29 - Thu, May 13 · YQT · SEA · Roundtrip [Select WestJet flight, departing Thu, Apr 29 from Thunder Bay to Seattle, returning Wed, May 12, priced at CA $833 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YQT,to:SEA,departure:29/04/2027TANYT&leg2=from:SEA,to:YQT,departure:12/05/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:832.60&airProductToken=AQpECiAI16YBEgM3ODMYmJwBIJgWKNbhqwMwj-OrAzhMQABYAQogCNemARIEMTU1MBiYFiCSASjV6KsDMMjpqwM4TEABWAEKRAogCNemARIEMTU1NRiSASCYFiib9awDMP%5F1rAM4TEAAWAEKIAjXpgESAzc4MhiYFiCYnAEov%5F2sAzDk%5FqwDOExAAVgBEgoIARABGAEqAldTGAEiBAgBEAEoBDAB) Thu, Apr 29 - Wed, May 12 · YQT · SEA · Roundtrip [Select WestJet flight, departing Sun, May 2 from Thunder Bay to Seattle, returning Thu, May 13, priced at CA $850 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YQT,to:SEA,departure:02/05/2027TANYT&leg2=from:SEA,to:YQT,departure:13/05/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:849.32&airProductToken=AQpECiAI16YBEgM3ODMYmJwBIJgWKLaDrAMw74SsAzhMQABYAQogCNemARIEMTU1MBiYFiCSASi1iqwDMKiLrAM4TEABWAEKZwohCNemARIEODY5MRiSASC4jQEo3PqsAzCp-6wDOExAAFgBCiAI16YBEgMxMTAYuI0BIJgWKKT8rAMw%5FvysAzhMQAFYAQogCNemARIDNzgyGJgWIJicASi%5F%5FawDMOT-rAM4TEABWAESCggBEAEYASoCV1MYASIECAEQASgEMAE) Sun, May 2 - Thu, May 13 · YQT · SEA · Roundtrip [Select WestJet flight, departing Mon, Apr 26 from Thunder Bay to Seattle, returning Thu, Apr 29, priced at CA $852 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YQT,to:SEA,departure:26/04/2027TANYT&leg2=from:SEA,to:YQT,departure:29/04/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:851.08&airProductToken=AQpECiAI16YBEgM3ODMYmJwBIJgWKPa%5FqwMwr8GrAzhMQABYAQogCNemARIEMTU1MBiYFiCSASj1xqsDMOjHqwM4TEABWAEKRAogCNemARIEMTU1NRiSASCYFij74qsDMN%5FjqwM4TEAAWAEKIAjXpgESAzc4MhiYFiCYnAEon-urAzDE7KsDOExAAVgBEgoIARABGAEqAldTGAEiBAgBEAEoBDAB) Apr 26 - Thu, Apr 29 · YQT · SEA · Roundtrip [Select Porter Airlines flight, departing Fri, Jan 8 from Thunder Bay to Seattle, returning Tue, Jan 12, priced at CA $856 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YQT,to:SEA,departure:08/01/2027TANYT&leg2=from:SEA,to:YQT,departure:12/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:855.51&airProductToken=AQqnAQo1CNCIARIDMjIyGJicASCYzgEoiPuhAzD2-6EDOExAAFgBaghTVEFOREFSRHIITDZBMFpEWlMKNwjEmAESBDQ4ODEYmM4BIOO0ASjV%5FKEDMLz9oQM4VkABWAFqCU1BSU5DTEFTQ3IIVkFVU0EwTUwKNQjEmAESAzk0NBjjtAEgkgEogP6hAzCwgKIDOFZAAVgBaglNQUlOQ0xBU0NyCFZBVVNBME1MCqcBCjUIxJgBEgM4MTIYkgEg47QBKKipogMwrKuiAzhWQABYAWoJTUFJTkNMQVNDcghWQVVTQTBNTAo3CMSYARIENTQwNhjjtAEgmM4BKLWtogMwjq6iAzhWQAFYAWoJTUFJTkNMQVNDcghWQVVTQTBNTAo1CNCIARIDMjI1GJjOASCYnAEo866iAzDrr6IDOExAAVgBaghTVEFOREFSRHIITDZBMFpEWlMSCggBEAEYASoCUEQYASIECAEQASgCKAMoBDAB) Fri, Jan 8 - Tue, Jan 12 · YQT · SEA · Roundtrip [Select Air Canada flight, departing Tue, Nov 24 from Thunder Bay to Seattle, returning Tue, Dec 1, priced at CA $967 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:YQT,to:SEA,departure:24/11/2026TANYT&leg2=from:SEA,to:YQT,departure:01/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:966.08&airProductToken=AQpqCiIIwYYBEgQxOTYyGJicASCYzgEomICeAzCJgZ4DOExAAFgBCiEIwYYBEgMxMDUYmM4BILiNASj5gZ4DMK-EngM4TEABWAEKIQjBhgESBDg4MDQYuI0BIJIBKMqFngMwjYaeAzhMQAFYAQpqCiEIwYYBEgQ4ODAxGJIBILiNASiI0p4DMM%5FSngM4TEAAWAEKIQjBhgESAzExMhi4jQEgmM4BKLfTngMwztWeAzhMQAFYAQoiCMGGARIEMTk2ORiYzgEgmJwBKKTWngMwmNeeAzhMQAFYARIKCAEQARgBKgJBQxgBIgQIARABKAgoBDAB) Tue, Nov 24 - Tue, Dec 1 · YQT · SEA · Roundtrip [Select United flight, departing Tue, Dec 29 from Thunder Bay to Seattle, returning Fri, Jan 8, priced at CA $1,363 Found 14 hours ago](https://www.expedia.ca/Flights-Search?leg1=from:YQT,to:SEA,departure:29/12/2026TANYT&leg2=from:SEA,to:YQT,departure:08/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1362.47&airProductToken=AQq6AQpBCNWCARIEODA1NhiYnAEgmM4BKPiJoQMw6YqhAzhWQABYAWoHRUNPTk9NWXIIVk5BMUExVEd6CgjBhgESBDgwNTYKQAjVggESBDg1MzMYmM4BIK4cKLGLoQMwuoyhAzhWQAFYAWoHRUNPTk9NWXIIVk5BMUExVEd6CgjBhgESBDg1MzMKMwjVggESBDE4MDEYrhwgkgEo3I-hAzD6kaEDOFZAAVgBagdFQ09OT01ZcghWTkExQTFURwq8AQo0CNWCARIEMTczMBiSASCLuAEorfyhAzDV%5FaEDOExAAFgBagdFQ09OT01ZcghMTkE0QTJURwpBCNWCARIEODMyOBiLuAEgmM4BKPL-oQMwhYGiAzhMQAFYAWoHRUNPTk9NWXIITE5BNEEyVEd6CgjBhgESBDgzMjgKQQjVggESBDg0OTMYmM4BIJicASjkgaIDMNiCogM4TEABWAFqB0VDT05PTVlyCExOQTRBMlRHegoIwYYBEgQ4NDkzEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) Tue, Dec 29 - Fri, Jan 8 · YQT · SEA · Roundtrip ## Book with confidence ### Thunder Bay to Seattle Flights #### The easy way to book your flights from Thunder Bay to Seattle With Expedia, it’s simple to find and book flights to Seattle from Thunder Bay whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 4 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Thunder Bay to Seattle today, tomorrow, or this week. #### Save dollars with cheap flights from Thunder Bay Intl., YQT to Seattle - Tacoma Intl., SEA Sort your search results by price to find great deals on your flight from Thunder Bay to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Thunder Bay currently is just CA $775 rising to CA $1,363\. Here are more money-saving tips: - Fly in May when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Seattle - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! #### Reasons to choose Expedia for your flight to Seattle from Thunder Bay Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today. ## Frequently Asked Questions ### How much does a flight from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost? You can find cheap one-way flights from CA $447 and cheap return flights CA $775 YQT to SEA with Expedia. Return flights often range between CA$740 and CA$2406\. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when YQT to SEA ticket fares go up or down. ### What is the cheapest month to fly from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? The cheapest months to fly from YQT to SEA are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route. ### Which airlines fly direct from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? Enter YQT to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights. ### What is the cheapest airline that flies from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? Porter Airlines is one of the cheapest airlines offering connecting return flights from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with tickets starting from around CA$624 for flights that can be booked for departure within the next year. These flights typically include a layover in Pearson Intl. (YYZ). These prices are for economy/coach class per adult. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget. ### How do I find cheap flights from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? To find a cheap flight from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up [Price Tracking](https://www.expedia.ca/why/price-tracking) and receive alerts when fares go up or down. ### What is the best time to fly from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience. ### How many flights per day from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? There are approximately 5 connecting flights per day from Thunder Bay Intl. (YQT) to Seattle - Tacoma Intl. (SEA). Some common connection points include Pearson Intl. (YYZ), Winnipeg James Armstrong Richardson Intl. (YWG), and Calgary Intl. (YYC). ### What is the earliest flight from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? The earliest flight from Thunder Bay Intl. (YQT) to Seattle - Tacoma Intl. (SEA) typically departs around 5:00 AM local time, operated by Air Canada. This is a seasonal service active in November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search. ### What day of the week has the most flights from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? You'll generally find the most flights from Thunder Bay Intl. (YQT) to Seattle - Tacoma Intl. (SEA) on a Friday, with around 9 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Air Canada, Porter Airlines, and WestJet. Fridays tend to have notably more flight options compared to other days of the week. ### What are the most popular departure times for flights from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? The most popular departure times for flights from Thunder Bay Intl. (YQT) to Seattle - Tacoma Intl. (SEA) are in the early morning, from 3am to 6am. Many travellers prefer this time, and Air Canada offers flights during this window. This timing works well if you're looking to get an early start on your journey. ### How long does it take to fly from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? There are no nonstop flights from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). The distance between these two airports is approximately 2443 kilometres. Flights with one stop typically take around 12 hours 30 minutes. If you have two or more stops, your travel time will be longer, usually around 15 hours. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns. ### Can you fly business or first class from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? Yes, you can fly business class between YQT and SEA. Air Canada offers business class service on this route. ### How do I earn miles on a Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia? It's easy to earn miles on a Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of [One Key™](https://www.expedia.ca/welcome-one-key), you can also earn OneKeyCash™\* on top of your airline miles when you book with Expedia. \*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands. ### What airports do you fly into for Seattle, WA (SEA) from Thunder Bay, ON (YQT)? If you're planning to travel to Seattle from Thunder Bay Intl. (YQT), you can fly directly into Seattle - Tacoma Intl. (SEA) which offers international flights and connections. Some flights may connect through major hubs like Pearson Intl. (YYZ), Winnipeg James Armstrong Richardson Intl. (YWG), Calgary Intl. (YYC) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans. ### Is it cheaper to buy a plane ticket from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute? Typically, booking a last minute flight from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare. ### Is it cheaper to book a Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package? Securing a Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) [flight and hotel package](https://www.expedia.ca/seattle.d178307.destination-travel-guides) is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars. ### Can I cancel or change the date of my flight from Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)? If you booked your Thunder Bay, ON (YQT-Thunder Bay Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in [your itinerary](https://www.expedia.ca/trips) or confirmation email. Or, head to our [Customer Service portal](https://www.expedia.ca/helpcenter/) if you'd like more information. ## Travel information | Origin airport | Thunder Bay, ON | | ------------------- | ------------------------------------ | | Destination airport | Seattle-Tacoma International Airport | | Distance | 2,441 km away | | Airlines serving | Air Canada, United | | Popular airline | Air Canada | | Roundtrip price | CA $775 | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from San Antonio (SAT) to Seattle (SEA)](https://www.expedia.ca/lp/flights/sat/sea/san-antonio-to-seattle) - [Flights from Chilliwack (YCW) to Seattle (SEA)](https://www.expedia.ca/lp/flights/ycw/sea/chilliwack-to-seattle) - [Flights from Nashville (BNA) to Seattle (SEA)](https://www.expedia.ca/lp/flights/bna/sea/nashville-to-seattle) - [Flights from Edmonton (YEG) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yeg/sea/edmonton-to-seattle) - [Flights from London (LHR) to Seattle (SEA)](https://www.expedia.ca/lp/flights/lhr/sea/london-to-seattle) - 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[Flights from Denver (DEN) to Seattle (SEA)](https://www.expedia.ca/lp/flights/den/sea/denver-to-seattle) - [Flights from Taipei (TPE) to Seattle (SEA)](https://www.expedia.ca/lp/flights/tpe/sea/taipei-to-seattle) - [Flights from Buffalo (BUF) to Seattle (SEA)](https://www.expedia.ca/lp/flights/buf/sea/buffalo-to-seattle) - [Flights from Anchorage (ANC) to Seattle (SEA)](https://www.expedia.ca/lp/flights/anc/sea/anchorage-to-seattle) - [Flights from Spokane (GEG) to Seattle (SEA)](https://www.expedia.ca/lp/flights/geg/sea/spokane-to-seattle) - [Flights from Saskatoon (YXE) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yxe/sea/saskatoon-to-seattle) - [Flights from Cleveland (CLE) to Seattle (SEA)](https://www.expedia.ca/lp/flights/cle/sea/cleveland-to-seattle) - [Flights from Tokyo (NRT) to Seattle (SEA)](https://www.expedia.ca/lp/flights/nrt/sea/tokyo-to-seattle) - [Flights from Calgary (YYC) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yyc/sea/calgary-to-seattle) - [Flights from Phoenix (PHX) to Seattle (SEA)](https://www.expedia.ca/lp/flights/phx/sea/phoenix-to-seattle) - [Flights from Hong Kong (HKG) to Seattle (SEA)](https://www.expedia.ca/lp/flights/hkg/sea/hong-kong-to-seattle) - [Flights from Port Angeles (CLM) to Seattle (SEA)](https://www.expedia.ca/lp/flights/clm/sea/port-angeles-to-seattle) - [Flights from Toronto (YTZ) to Seattle (SEA)](https://www.expedia.ca/lp/flights/ytz/sea/toronto-to-seattle) - [Flights from Boston (BOS) to Seattle (SEA)](https://www.expedia.ca/lp/flights/bos/sea/boston-to-seattle) - [Flights from Baltimore (BWI) to Seattle (SEA)](https://www.expedia.ca/lp/flights/bwi/sea/baltimore-to-seattle) - [Flights from San Diego (SAN) to Seattle (SEA)](https://www.expedia.ca/lp/flights/san/sea/san-diego-to-seattle) - [Flights from Dallas (DFW) to Seattle (SEA)](https://www.expedia.ca/lp/flights/dfw/sea/dallas-to-seattle) - [Flights from Sudbury (YSB) to Seattle (SEA)](https://www.expedia.ca/lp/flights/ysb/sea/sudbury-to-seattle) - [Flights from Orange County (SNA) to Seattle (SEA)](https://www.expedia.ca/lp/flights/sna/sea/orange-county-to-seattle) - [Flights from Dubai (DXB) to Seattle (SEA)](https://www.expedia.ca/lp/flights/dxb/sea/dubai-to-seattle) - [Flights from Indianapolis (IND) to Seattle (SEA)](https://www.expedia.ca/lp/flights/ind/sea/indianapolis-to-seattle) - [Flights from Toronto (YTO) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yto/sea/toronto-to-seattle) - [Flights from Houston (HOU) to Seattle (SEA)](https://www.expedia.ca/lp/flights/hou/sea/houston-to-seattle) - [Flights from Los Angeles (LAX) to Seattle (SEA)](https://www.expedia.ca/lp/flights/lax/sea/los-angeles-to-seattle) - [Flights from Nanaimo (YCD) to Seattle (SEA)](https://www.expedia.ca/lp/flights/ycd/sea/nanaimo-to-seattle) - [Flights from Cancun (CUN) to Seattle (SEA)](https://www.expedia.ca/lp/flights/cun/sea/cancun-to-seattle) - [Flights from Regina (YQR) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yqr/sea/regina-to-seattle) - [Flights from Fresno (FAT) to Seattle (SEA)](https://www.expedia.ca/lp/flights/fat/sea/fresno-to-seattle) - [Flights from Des Moines (DSM) to Seattle (SEA)](https://www.expedia.ca/lp/flights/dsm/sea/des-moines-to-seattle) - [Flights from Detroit (DTW) to Seattle (SEA)](https://www.expedia.ca/lp/flights/dtw/sea/detroit-to-seattle) - [Flights from Winnipeg (YWG) to Seattle (SEA)](https://www.expedia.ca/lp/flights/ywg/sea/winnipeg-to-seattle) - [Flights from Montreal (YUL) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yul/sea/montreal-to-seattle) - [Flights from San Francisco (SFO) to Seattle (SEA)](https://www.expedia.ca/lp/flights/sfo/sea/san-francisco-to-seattle) - [Flights from Vancouver (YVR) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yvr/sea/vancouver-to-seattle) - [Flights from Istanbul (IST) to Seattle (SEA)](https://www.expedia.ca/lp/flights/ist/sea/istanbul-to-seattle) - [Flights from Toronto (YYZ) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yyz/sea/toronto-to-seattle) - [Flights from Grande Prairie (YQU) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yqu/sea/grande-prairie-to-seattle) - [Flights from Bogotá (BOG) to Seattle (SEA)](https://www.expedia.ca/lp/flights/bog/sea/bogota-to-seattle) - [Flights from Kitchener (YKF) to Seattle (SEA)](https://www.expedia.ca/lp/flights/ykf/sea/kitchener-to-seattle) - [Flights from Kalispell (FCA) to Seattle (SEA)](https://www.expedia.ca/lp/flights/fca/sea/kalispell-to-seattle) - [Flights from Syracuse (SYR) to Seattle (SEA)](https://www.expedia.ca/lp/flights/syr/sea/syracuse-to-seattle) - [Flights from Mumbai (BOM) to Seattle (SEA)](https://www.expedia.ca/lp/flights/bom/sea/mumbai-to-seattle) - [Flights from Atlanta (ATL) to Seattle (SEA)](https://www.expedia.ca/lp/flights/atl/sea/atlanta-to-seattle) - [Flights from Miami (MIA) to Seattle (SEA)](https://www.expedia.ca/lp/flights/mia/sea/miami-to-seattle) - [Flights from Halifax (YHZ) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yhz/sea/halifax-to-seattle) - [Flights from Richmond (RIC) to Seattle (SEA)](https://www.expedia.ca/lp/flights/ric/sea/richmond-to-seattle) - [Flights from San Jose (SJC) to Seattle (SEA)](https://www.expedia.ca/lp/flights/sjc/sea/san-jose-to-seattle) - [Flights from Bellingham (BLI) to Seattle (SEA)](https://www.expedia.ca/lp/flights/bli/sea/bellingham-to-seattle) - [Flights from Victoria (YYJ) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yyj/sea/victoria-to-seattle) - [Flights from Penticton (YYF) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yyf/sea/penticton-to-seattle) - [Flights from Palm Springs (PSP) to Seattle (SEA)](https://www.expedia.ca/lp/flights/psp/sea/palm-springs-to-seattle) - [Flights from Austin (AUS) to Seattle (SEA)](https://www.expedia.ca/lp/flights/aus/sea/austin-to-seattle) - [Flights from Jacksonville (JAX) to Seattle (SEA)](https://www.expedia.ca/lp/flights/jax/sea/jacksonville-to-seattle) - [Flights from Raleigh (RDU) to Seattle (SEA)](https://www.expedia.ca/lp/flights/rdu/sea/raleigh-to-seattle) - [Flights from Seoul (ICN) to Seattle (SEA)](https://www.expedia.ca/lp/flights/icn/sea/seoul-to-seattle) - [Flights from Kamloops (YKA) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yka/sea/kamloops-to-seattle) - [Flights from Orlando (MCO) to Seattle (SEA)](https://www.expedia.ca/lp/flights/mco/sea/orlando-to-seattle) - [Flights from Las Vegas (LAS) to Seattle (SEA)](https://www.expedia.ca/lp/flights/las/sea/las-vegas-to-seattle) - [Flights from Philadelphia (PHL) to Seattle (SEA)](https://www.expedia.ca/lp/flights/phl/sea/philadelphia-to-seattle) - [Flights from Newark Liberty Intl. Airport (EWR) to Seattle (SEA)](https://www.expedia.ca/lp/flights/ewr/sea/newark-liberty-intl-airport-to-seattle) - [Flights from Québec (YQB) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yqb/sea/quebec-to-seattle) - [Flights from Ontario Intl. Airport (ONT) to Seattle (SEA)](https://www.expedia.ca/lp/flights/ont/sea/ontario-to-seattle) - [Flights from Ottawa (YOW) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yow/sea/ottawa-to-seattle) - [Flights from Kansas City (MCI) to Seattle (SEA)](https://www.expedia.ca/lp/flights/mci/sea/kansas-city-to-seattle) - [Flights from Minneapolis (MSP) to Seattle (SEA)](https://www.expedia.ca/lp/flights/msp/sea/minneapolis-to-seattle) - [Flights from Pittsburgh (PIT) to Seattle (SEA)](https://www.expedia.ca/lp/flights/pit/sea/pittsburgh-to-seattle) - [Flights from Delhi (DEL) to Seattle (SEA)](https://www.expedia.ca/lp/flights/del/sea/delhi-to-seattle) - [Flights from Cranbrook (YXC) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yxc/sea/cranbrook-to-seattle) - [Flights from Beijing (PEK) to Seattle (SEA)](https://www.expedia.ca/lp/flights/pek/sea/beijing-to-seattle) - [Flights from Prince George (YXS) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yxs/sea/prince-george-to-seattle) - [Flights from London (YXU) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yxu/sea/london-to-seattle) - [Flights from Portland (PDX) to Seattle (SEA)](https://www.expedia.ca/lp/flights/pdx/sea/portland-to-seattle) - [Flights from Hamilton (YHM) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yhm/sea/hamilton-to-seattle) - [Flights from St. Louis (STL) to Seattle (SEA)](https://www.expedia.ca/lp/flights/stl/sea/st-louis-to-seattle) - [Flights from Tampa (TPA) to Seattle (SEA)](https://www.expedia.ca/lp/flights/tpa/sea/tampa-to-seattle) - [Flights from New York (JFK) to Seattle (SEA)](https://www.expedia.ca/lp/flights/jfk/sea/new-york-to-seattle) - [Flights from Salt Lake City (SLC) to Seattle (SEA)](https://www.expedia.ca/lp/flights/slc/sea/salt-lake-city-to-seattle) - [Flights from Kelowna (YLW) to Seattle (SEA)](https://www.expedia.ca/lp/flights/ylw/sea/kelowna-to-seattle) - [Flights from Fort Lauderdale (FLL) to Seattle (SEA)](https://www.expedia.ca/lp/flights/fll/sea/fort-lauderdale-to-seattle) - [Flights from Lethbridge (YQL) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yql/sea/lethbridge-to-seattle) - [Flights from Shanghai (PVG) to Seattle (SEA)](https://www.expedia.ca/lp/flights/pvg/sea/shanghai-to-seattle) - [Flights from Oakland (OAK) to Seattle (SEA)](https://www.expedia.ca/lp/flights/oak/sea/oakland-to-seattle) - [Flights from Terrace (YXT) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yxt/sea/terrace-to-seattle) - [Flights from Sacramento (SMF) to Seattle (SEA)](https://www.expedia.ca/lp/flights/smf/sea/sacramento-to-seattle) - [Flights from Honolulu (HNL) to Seattle (SEA)](https://www.expedia.ca/lp/flights/hnl/sea/honolulu-to-seattle) - [Flights from Harrisburg (MDT) to Seattle (SEA)](https://www.expedia.ca/lp/flights/mdt/sea/harrisburg-to-seattle) \*Available to Expedia members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/yqt/sea/thunder-bay-to-seattle en-CA: https://www.expedia.ca/lp/flights/yqt/sea/thunder-bay-to-seattle ar: https://www.expedia.sa/lp/flights/yqt/sea/thunder-bay-to-seattle es: https://www.expedia.com/es/lp/vuelos/yqt/sea/thunder-bay-a-seattle en-US: https://www.expedia.com/lp/flights/yqt/sea/thunder-bay-to-seattle en-IN: https://www.expedia.co.in/lp/flights/yqt/sea/thunder-bay-to-seattle ```