Title: Cheap Flights to SeaTac , WA from CA $68 - Expedia.ca ![Ready for Portland ](https://images.trvl-media.com/place/156205/e2b1e3b5-6d6f-43cb-8a43-6e79dac1d341.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by James Wilkinson ![](https://images.trvl-media.com/place/156205/e2b1e3b5-6d6f-43cb-8a43-6e79dac1d341.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights to SeaTac , WA from CA $68 [View CA $68 flight on Mon, Jan 12, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SFO,to:SEA,departure:12/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:67.60&airProductToken=AQovCi0IwaYBEgM2NTYYsnEgkgEovKCCAzDJoYIDOFhAAFgBagJTVnIIR0gyT0dWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only [SeaTac Travel Guide](https://expedia.ca/SeaTac.dx156205)[Hotels in SeaTac](https://expedia.ca/SeaTac-Hotels.d156205.Travel-Guide-Hotels)[Things to do in SeaTac](https://expedia.ca/Things-To-Do-In-SeaTac.d156205.Travel-Guide-Activities)[SeaTac Car Rentals](https://expedia.ca/Car-Rentals-In-SeaTac.d156205.Car-Rental-Guide)[SeaTac Vacation Packages](https://expedia.ca/SeaTac.d156205.Destination-Travel-Guides) ## Popular airlines to SeaTac - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:SeaTac, Washington, United States of America,departure:18/12/2025TANYT&leg2=from:SeaTac, Washington, United States of America,to:CMH,departure:25/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:SeaTac, Washington, United States of America,departure:18/12/2025TANYT&leg2=from:SeaTac, Washington, United States of America,to:CMH,departure:25/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:SeaTac, Washington, United States of America,departure:18/12/2025TANYT&leg2=from:SeaTac, Washington, United States of America,to:CMH,departure:25/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:SeaTac, Washington, United States of America,departure:18/12/2025TANYT&leg2=from:SeaTac, Washington, United States of America,to:CMH,departure:25/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:SeaTac, Washington, United States of America,departure:18/12/2025TANYT&leg2=from:SeaTac, Washington, United States of America,to:CMH,departure:25/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:SeaTac, Washington, United States of America,departure:18/12/2025TANYT&leg2=from:SeaTac, Washington, United States of America,to:CMH,departure:25/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:SeaTac, Washington, United States of America,departure:18/12/2025TANYT&leg2=from:SeaTac, Washington, United States of America,to:CMH,departure:25/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## How much is the cheapest flight to SeaTac? Prices were available within the past 7 days and start at CA $68 for one-way flights and CA $136 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sun, Mar 22 - Wed, Mar 25 SFO San Francisco SEA Seattle CA $136 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SFO,to:SEA,departure:22/03/2026TANYT&leg2=from:SEA,to:SFO,departure:25/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:135.20&airProductToken=AQo3CjUIxJgBEgQyNzIxGLJxIJIBKPGmiAMw-aeIAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTQTBCURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, Jan 17 - Tue, Jan 20 LAX Los Angeles PAE Seattle CA $136 Roundtrip found 7 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LAX,to:PAE,departure:17/01/2026TANYT&leg2=from:PAE,to:LAX,departure:20/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:135.30&airProductToken=AQoxCi8IwaYBEgQxMzQ2GIu4ASCPICjs3YIDMJ_fggM4WEAAWAFqAlNWcghHSDJFWFVCTgoxCi8IwaYBEgQxMzQ3GI8gIIu4ASjE-YIDMPb6ggM4WEAAWAFqAlNWcghHSDJFWFVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Mon, Mar 23 - Wed, Mar 25 SFO San Francisco SEA Seattle CA $136 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SFO,to:SEA,departure:23/03/2026TANYT&leg2=from:SEA,to:SFO,departure:25/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:135.30&airProductToken=AQoiCiAIyIIBEgQ2OTMxGLJxIJIBKMiyiAMwyrOIAzhVQABYAQoiCiAIyIIBEgQ2ODk0GJIBILJxKJrNiAMwnc6IAzhVQABYARIKCAEQARgBKgJIQRgBIgQIARABKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Jan 17 - Tue, Jan 20 LAX Los Angeles SEA Seattle CA $164 Roundtrip found 7 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LAX,to:SEA,departure:17/01/2026TANYT&leg2=from:SEA,to:LAX,departure:20/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:163.20&airProductToken=AQo0CjIIwYIBEgQ2NDQ0GIu4ASCSASiq3oIDMN_fggM4QkAAWAFqBUJBU0lDcghPVkZLVVNCWAo0CjIIwYIBEgQ2NDIwGJIBIIu4ASiI-YIDMLf6ggM4QkAAWAFqBUJBU0lDcghPVkZLVVNCWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Jan 1 - Thu, Jan 8 SFO San Francisco SEA Seattle CA $248 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SFO,to:SEA,departure:01/01/2026TANYT&leg2=from:SEA,to:SFO,departure:08/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:247.10&airProductToken=AQozCjEI1YIBEgQyNDYyGLJxIJIBKJirgQMwm6yBAzhHQABYAWoFMl9lY29yCEdBQTJBWERTCjMKMQjVggESBDEzNzIYkgEgsnEo1fOBAzDf9IEDOEdAAFgBagUyX2Vjb3IIR0FHMkpYRFMSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ## Find the cheapest month to fly from Columbus (CMH) to Seattle (SEA) ### October is typically the cheapest month to fly From CA $191 - CA $331 per traveller. ## Alternative airports near SeaTac Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:SEA,departure:18/12/2025TANYT&leg2=from:SEA,to:CMH,departure:22/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SEA Seattle - Tacoma Intl. CheapestClosest 4 min [Flights from CA $891 ](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:SEA,departure:18/12/2025TANYT&leg2=from:SEA,to:CMH,departure:22/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) Expedia.ca gives you the best tools to secure great deals on flights to SeaTac. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to SeaTac. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to SeaTac. Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your SeaTac flights with full confidence knowing that you've found the best deal online. Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to SeaTac. Looking to save even more? Get additional savings by bundling your SeaTac flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your SeaTac trip! ## Frequently asked questions ### What is the name of SeaTac's airport? ### How far is SEA from central SeaTac? ### What airport is best to fly into SeaTac? ### How many airlines fly to SeaTac? ### Which airlines fly to SeaTac? ### How many nonstop flights are there to SeaTac? ### Where are the most popular flights to SeaTac departing from? ### How long is the flight to SeaTac Airport? ### How to book the cheapest flight to SeaTac? ### Do you have any tips for my flight to SeaTac? > - A plane ride can be a great experience if you pack the right stuff. Firstly, you'll want a few basic toiletries, such as lip balm and hand cream, a clean set of clothes and a good read. Secondly, make room in your hand luggage for your mobile phone, a charger, your medications and perhaps a quality neck pillow as well. Lastly, and most importantly, be sure to take your passport, travel documents and some cash. > > > Do not pack the following items in your hand luggage: > > > - Check carefully that you don't have sharp or pointed objects hiding in the bottom of your carry-on luggage. Other prohibited items include flammable or explosive products, such as fuel and matches, and liquids and gels in containers with a capacity of more than 3.4 ounces (100 millilitres). > > > What to wear on a flight: > > > - You'll want to go for comfort over style. Prepare for temperature changes by dressing in layers, and opt for flat, closed-toe shoes like sneakers. > - Deep vein thrombosis (DVT) is a risk on long-distance flights. It's the result of blood clots forming due to poor circulation and inactivity, so do some gentle foot and leg exercises in your seat and consider wearing compression tights or socks. ### How to get through airport security fast when flying to SeaTac? > - Have your travel documents and passport within easy reach. They're the first things you'll be asked to show at airport security. > - Time to strip down. Well kind of. Your belt, jacket, keys and other small items, like your earphones, will be required to go through the X-ray machine. Make the whole process easier by removing them as it gets closer to your turn. > - For just a few minutes, you'll need to unplug from the digital world. Your tablet, phone and any other electronics will need to go through the scanner. > - Any liquids or gels, such as toothpaste or perfume, that you want to bring on board must be no greater than 3.4 ounces (100 millilitres). They must also all fit inside a quart-size (one litre), clear zip-close bag. > - The right choice of footwear can save you several precious minutes. Hiking boots are often required to be removed and X-rayed separately. Lightweight sneakers are usually not. > - Airlines won't allow any sharp items or pocket knives to come on board with you. If you need to bring these kinds of items, pack them safely in your checked baggage. __Flights to SeaTac information__ | Destination airport | Lake Union Seaplane Base | | ----------------------------- | ------------------------ | | Destination airport IATA code | LKE | | Destination city name | Seattle | | Roundtrip price | CA $265 | ## Need more than a Flight to SeaTac? Heading to SeaTac? Explore SeaTac with Expedia's Travel Guides to find the best hotels, vacation packages, car rental deals and more! [SeaTac Hotels ](https://expedia.ca/SeaTac-Hotels.d156205.Travel-Guide-Hotels)[ SeaTac Vacation Rentals ](https://expedia.ca/SeaTac-Vacation-Rentals.d156205.Travel-Guide-VacationRentals)[ SeaTac Car Rentals ](https://expedia.ca/Car-Rentals-In-SeaTac.d156205.Car-Rental-Guide)[ SeaTac Vacations ](https://expedia.ca/SeaTac.d156205.Destination-Travel-Guides)[ Things to do in SeaTac ](https://expedia.ca/Things-To-Do-In-SeaTac.d156205.Travel-Guide-Activities) ## Trending flights to SeaTac Prices were available within the past 7 days and start at CA $68 for one-way flights and CA $136 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Sun, Feb 1 - Sat, Feb 28 YVR Vancouver SEA Seattle CA $230 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:SEA,departure:01/02/2026TANYT&leg2=from:SEA,to:YVR,departure:28/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:229.20&airProductToken=AQpmCjEI16YBEgMxMDQYuI0BIJgWKMSAhAMwooGEAzhFQABYAWoFQkFTSUNyCExUUUQwWkJNCjEI16YBEgQxNTUyGJgWIJIBKImDhAMw-4OEAzhFQAFYAWoFQkFTSUNyCExUUUQwWkJNEgoIARABGAEqAldTGAEiBAgBEAEoAigDKAQwAQ) ## Explore a world of travel with Expedia - Lodging - Flights - Cars ### Lodging - [Downtown Seattle Hotels ](https://www.expedia.ca/Downtown-Seattle-Seattle-Hotels.0-n800130-0.Travel-Guide-Filter-Hotels) - [Guest Houses in SeaTac/Airport Station ](https://www.expedia.ca/SeaTacAirport-Station-Guest-Houses.d6212202-aaGuestHouses.Travel-Guide-Accommodation) - 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