Title: Cheap Flights from Los Angeles (LAX) to Seattle (BFI) - Expedia.ca ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Los Angeles (LAX) to Seattle (BFI) - [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 ## Popular airlines from Los Angeles Intl. (LAX) to Seattle, WA (BFI-Boeing Field) - ![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:lax,to:bfi,departure:29/10/2025TANYT&leg2=from:bfi,to:lax,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:lax,to:bfi,departure:29/10/2025TANYT&leg2=from:bfi,to:lax,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:lax,to:bfi,departure:29/10/2025TANYT&leg2=from:bfi,to:lax,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![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:lax,to:bfi,departure:29/10/2025TANYT&leg2=from:bfi,to:lax,departure:05/11/2025TANYT&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:lax,to:bfi,departure:29/10/2025TANYT&leg2=from:bfi,to:lax,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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:lax,to:bfi,departure:29/10/2025TANYT&leg2=from:bfi,to:lax,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:lax,to:bfi,departure:29/10/2025TANYT&leg2=from:bfi,to:lax,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![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) ## Alternative airports near Seattle Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:LAX,to:SEA,departure:29/10/2025TANYT&leg2=from:SEA,to:LAX,departure:02/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SEA Seattle - Tacoma Intl. Cheapest 20 min [Flights from CA $368](https://www.expedia.ca/Flights-Search?leg1=from:LAX,to:SEA,departure:29/10/2025TANYT&leg2=from:SEA,to:LAX,departure:02/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.ca/Flights-Search?leg1=from:LAX,to:PAE,departure:29/10/2025TANYT&leg2=from:PAE,to:LAX,departure:02/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) PAE Snohomish County - Paine Field 29 min [Flights from CA $515](https://www.expedia.ca/Flights-Search?leg1=from:LAX,to:PAE,departure:29/10/2025TANYT&leg2=from:PAE,to:LAX,departure:02/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much is a flight from LAX to BFI? > If you're planning on travelling from Los Angeles Intl. Airport (LAX) to Boeing Field, round-trip journeys start from . This price is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from LAX to King County International Airport? > The majority of flights can be cancelled online, but every air carrier has its own terms and conditions. If you do need to cancel your flight, check out our [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from Los Angeles Intl. Airport (LAX) to Boeing Field Airport (BFI) that have flexible change policies? > Select our "No change fees" filter to find flexible travel options for your flight from LAX to King County International Airport. This allows you to secure a great deal ahead of time and still have the freedom to reschedule without any additional fees. If the new flight costs more, you'll just cover the difference. ### How far is the flight from LAX to King County International Airport? > The flight distance from Los Angeles to Seattle is 1,550 kilometres. Bring along a drink, some snacks and a good book to read. Keep yourself busy in the air and the hours will fly by. ### Which airlines fly direct from LAX to Boeing Field? > Unfortunately, there are no airlines that fly directly between LAX and King County International Airport. You'll have to book a flight with one or more stops. ### Are LAX to King County International Airport flight tickets cheaper when they're purchased at the last minute? > Flight prices are constantly going up and down, so it's no sure thing. While last-minute deals between LAX and Boeing Field are possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some air carriers announce their prices up to 12 months prior to the departure date. Expedia is continuously updating the biggest bargains around, so keep checking and be ready to secure your seat when prices drop. ## Travel information | Origin airport | Los Angeles Intl. | | --- | --- | | Destination airport | Boeing Field | | Distance | 1537 km | ## Book with confidence ### Los Angeles to Seattle Flights **The easy way to book your flights from Los Angeles to Seattle**  With Expedia, it’s simple to find and book flights to Seattle from Los Angeles 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 Los Angeles to Seattle today, tomorrow, or this week.   **Save dollars with cheap flights from Los Angeles Intl., LAX to Boeing Field, BFI**  Sort your search results by price to find great deals on your flight from Los Angeles to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Los Angeles 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 Los Angeles**  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. 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