--- title: "Cheap Flights from Montreal (YUL) to Seattle (BFI)" description: "Cheap Flights from Montreal (YUL) to Seattle (BFI) start at for one-way and for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.ca/lp/flights/yul/bfi/montreal-to-seattle" language: en-CA market: CA currency: CAD prices_as_of: 2026-11-15T02:54:37Z --- # Cheap Flights from Montreal (YUL) to Seattle (BFI) ![A city skyline with the Space Needle prominently in the center.](https://images.trvl-media.com/place/178307/74b030b2-80ee-45bf-9771-ebe736f0c7b1.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ## Popular airlines from Trudeau International Airport (YUL) to Seattle, WA (BFI-Boeing Field) [Air Canada](https://www.expedia.ca/Flights-Search?leg1=from:YUL,to:BFI,departure:29/11/2026TANYT&leg2=from:BFI,to:YUL,departure:06/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) [WestJet](https://www.expedia.ca/Flights-Search?leg1=from:YUL,to:BFI,departure:29/11/2026TANYT&leg2=from:BFI,to:YUL,departure:06/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) [Flair Airlines](https://www.expedia.ca/Flights-Search?leg1=from:YUL,to:BFI,departure:29/11/2026TANYT&leg2=from:BFI,to:YUL,departure:06/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) [American Airlines](https://www.expedia.ca/Flights-Search?leg1=from:YUL,to:BFI,departure:29/11/2026TANYT&leg2=from:BFI,to:YUL,departure:06/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) [United](https://www.expedia.ca/Flights-Search?leg1=from:YUL,to:BFI,departure:29/11/2026TANYT&leg2=from:BFI,to:YUL,departure:06/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) [Delta](https://www.expedia.ca/Flights-Search?leg1=from:YUL,to:BFI,departure:29/11/2026TANYT&leg2=from:BFI,to:YUL,departure:06/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) [Porter Airlines](https://www.expedia.ca/Flights-Search?leg1=from:YUL,to:BFI,departure:29/11/2026TANYT&leg2=from:BFI,to:YUL,departure:06/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ### 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) Find the cheapest flights on Expedia from Montreal (YUL) to Seattle (BFI). Flight ticket prices change frequently based on availability and demand. We send price‑drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia for this route in the past 7 days starts at for travel on . ## Alternative airports near Seattle Prices were available within the past 7 days. Prices and availability are subject to change. [Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from CA $1,107](https://www.expedia.ca/Flights-Search?leg1=from:YUL,to:SEA,departure:29/11/2026TANYT&leg2=from:SEA,to:YUL,departure:03/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 20 min [Select flight to Snohomish County - Paine Field PAE. Average driving time to city centre is 29 minutes. Flights from CA $3,794](https://www.expedia.ca/Flights-Search?leg1=from:YUL,to:PAE,departure:29/11/2026TANYT&leg2=from:PAE,to:YUL,departure:07/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 29 min [Select flight to Lake Union LKE. Closest option available. Average driving time to city centre is 4 minutes.](https://www.expedia.ca/Flights-Search?leg1=from:YUL,to:LKE,departure:29/11/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 4 min · Search flights ## Book with confidence ### Montreal to Seattle Flights #### The easy way to book your flights from Montreal to Seattle With Expedia, it’s simple to find and book flights to Seattle from Montreal whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Boeing Field, 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 Montreal to Seattle today, tomorrow, or this week. #### Save dollars with cheap flights from Pierre Elliott Trudeau Intl., YUL to Boeing Field, BFI Sort your search results by price to find great deals on your flight from Montreal to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Montreal currently is just rising to . Here are more money-saving tips: - Fly in 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 Montreal 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 Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field) cost? You can find one-way and return flights from YUL to BFI with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when YUL to BFI ticket fares go up or down. ### What is the cheapest month to fly from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field)? The cheapest months to fly from YUL to BFI 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 Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field)? Enter YUL to BFI and your travel dates, then apply the 'Nonstop' filter to see only direct flights. ### How do I find cheap flights from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field)? To find a cheap flight from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field), 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 Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field)? 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 Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field)? There are approximately 2 connecting flights per day from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field). Some common connection points include Vancouver Intl. (YVR) and Calgary Intl. (YYC). ### What is the earliest flight from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field)? Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from YUL to BFI. To compare more early flights, use the "Early Morning" and "Morning" filters in your search. ### How long does it take to fly from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field)? There are no nonstop flights from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field). Flights with two or more stops typically take around 12 hours 30 minutes, covering a distance of approximately 3,663 kilometres. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns, so it's always a good idea to allow for some extra time when planning your trip. ### Can you fly business or first class from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field)? Select the "Business class" and "First class" filters when looking for YUL to BFI flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip. ### How do I earn miles on a Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field) flight with Expedia? It's easy to earn miles on a Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field) 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. ### Is it cheaper to buy a plane ticket from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field) at the last minute? Typically, booking a last minute flight from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field) 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 Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field) flight and hotel package? Securing a Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field) [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 Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field)? If you booked your Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to Seattle, WA (BFI-Boeing Field) 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 | Trudeau International Airport | | ------------------- | ----------------------------- | | Destination airport | Seattle, WA | | Distance | 3,662 km away | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Buffalo (BUF) to Seattle (BFI)](https://www.expedia.ca/lp/flights/buf/bfi/buffalo-to-seattle) - [Flights from Orlando (MCO) to Seattle (SEA)](https://www.expedia.ca/lp/flights/mco/sea/orlando-to-seattle) - [Flights from Vancouver (YVR) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yvr/sea/vancouver-to-seattle) - [Flights from Philadelphia (PHL) to Seattle (SEA)](https://www.expedia.ca/lp/flights/phl/sea/philadelphia-to-seattle) - [Flights from Cancun (CUN) to Seattle (SEA)](https://www.expedia.ca/lp/flights/cun/sea/cancun-to-seattle) - [Flights from Portland (PDX) to Seattle (SEA)](https://www.expedia.ca/lp/flights/pdx/sea/portland-to-seattle) - 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Airport (ONT) to Seattle (SEA)](https://www.expedia.ca/lp/flights/ont/sea/ontario-to-seattle) - [Flights from Palm Springs (PSP) to Seattle (SEA)](https://www.expedia.ca/lp/flights/psp/sea/palm-springs-to-seattle) - [Flights from Regina (YQR) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yqr/sea/regina-to-seattle) - [Flights from Bellingham (BLI) to Seattle (SEA)](https://www.expedia.ca/lp/flights/bli/sea/bellingham-to-seattle) - [Flights from Hyderabad (HYD) to Seattle (SEA)](https://www.expedia.ca/lp/flights/hyd/sea/hyderabad-to-seattle) - [Flights from Winnipeg (YWG) to Seattle (SEA)](https://www.expedia.ca/lp/flights/ywg/sea/winnipeg-to-seattle) - [Flights from Los Angeles (LAX) to Seattle (SEA)](https://www.expedia.ca/lp/flights/lax/sea/los-angeles-to-seattle) - [Flights from Edmonton (YEG) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yeg/sea/edmonton-to-seattle) - [Flights from Las Vegas (LAS) to Seattle (SEA)](https://www.expedia.ca/lp/flights/las/sea/las-vegas-to-seattle) - [Flights from Baltimore (BWI) to Seattle (SEA)](https://www.expedia.ca/lp/flights/bwi/sea/baltimore-to-seattle) - [Flights from Anchorage (ANC) to Seattle (SEA)](https://www.expedia.ca/lp/flights/anc/sea/anchorage-to-seattle) - [Flights from Kelowna (YLW) to Seattle (BFI)](https://www.expedia.ca/lp/flights/ylw/bfi/kelowna-to-seattle) - [Flights from Victoria (YYJ) to Seattle (BFI)](https://www.expedia.ca/lp/flights/yyj/bfi/victoria-to-seattle) - [Flights from Orlando (MCO) to Seattle (BFI)](https://www.expedia.ca/lp/flights/mco/bfi/orlando-to-seattle) - [Flights from San Jose (SJC) to Seattle (SEA)](https://www.expedia.ca/lp/flights/sjc/sea/san-jose-to-seattle) - [Flights from Montreal (YUL) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yul/sea/montreal-to-seattle) - [Flights from Halifax (YHZ) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yhz/sea/halifax-to-seattle) - [Flights from San Diego (SAN) to Seattle (SEA)](https://www.expedia.ca/lp/flights/san/sea/san-diego-to-seattle) - [Flights from Grande Prairie (YQU) to Seattle (SEA)](https://www.expedia.ca/lp/flights/yqu/sea/grande-prairie-to-seattle) - [Flights from Detroit (DTW) to Seattle (SEA)](https://www.expedia.ca/lp/flights/dtw/sea/detroit-to-seattle) - [Flights from Chatellerault (XCX) to Seattle (BFI)](https://www.expedia.ca/lp/flights/xcx/bfi/chatellerault-to-seattle) - [Flights from Abbotsford (YXX) to Seattle (BFI)](https://www.expedia.ca/lp/flights/yxx/bfi/abbotsford-to-seattle) - [Flights from Calgary (YYC) to Seattle (BFI)](https://www.expedia.ca/lp/flights/yyc/bfi/calgary-to-seattle) - [Flights from Houston (HOU) to Seattle (SEA)](https://www.expedia.ca/lp/flights/hou/sea/houston-to-seattle) \*Available to Expedia members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/yul/bfi/montreal-to-seattle fr-CA: https://www.expedia.ca/fr/lp/vols/yul/bfi/montreal-a-seattle en-CA: https://www.expedia.ca/lp/flights/yul/bfi/montreal-to-seattle id-ID: https://www.expedia.co.id/lp/flights/yul/bfi/montreal-to-seattle ar: https://www.expedia.sa/lp/flights/yul/bfi/montreal-to-seattle nb-NO: https://www.expedia.no/lp/fly/yul/bfi/montreal-til-seattle de-AT: https://www.expedia.at/lp/fluge/yul/bfi/montreal-nach-seattle es: https://www.expedia.com/es/lp/vuelos/yul/bfi/montreal-a-seattle en-IN: https://www.expedia.co.in/lp/flights/yul/bfi/montreal-to-seattle en-US: https://www.expedia.com/lp/flights/yul/bfi/montreal-to-seattle ```