Title: £73 Cheap Flights from Seattle to Ontario (SEA to ONT) - Expedia.co.uk ![Los Angeles which includes a sunset, a city and landscape views](https://images.trvl-media.com/place/178280/a52925ff-8159-46db-8203-2c466dda9df5.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178280/a52925ff-8159-46db-8203-2c466dda9df5.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £73 Cheap Flights from Seattle (SEA) to Ontario (ONT) [View £73 flight on Wed, 4 Feb 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:SEA,to:ONT,departure:04/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:72.10&airProductToken=AQpgCi0IwaYBEgM0NjcYkgEgwUMoqKSEAzD9pIQDOFhAAFgBagJTVnIIR0gyT1hKQk4KLwjBpgESBDIzMzkYwUMgrpsBKKKmhAMwpqeEAzhYQAFYAWoCU1ZyCEdIMk9YSkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) - [Return](?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 Seattle-Tacoma International Airport (SEA) to Los Angeles - Ontario Intl. Airport (ONT) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:ont,departure:30/09/2025TANYT&leg2=from:ont,to:sea,departure:07/10/2025TANYT&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.co.uk/Flights-Search?leg1=from:sea,to:ont,departure:30/09/2025TANYT&leg2=from:ont,to:sea,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:ont,departure:30/09/2025TANYT&leg2=from:ont,to:sea,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:ont,departure:30/09/2025TANYT&leg2=from:ont,to:sea,departure:07/10/2025TANYT&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.co.uk/Flights-Search?leg1=from:sea,to:ont,departure:30/09/2025TANYT&leg2=from:ont,to:sea,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:ont,departure:30/09/2025TANYT&leg2=from:ont,to:sea,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Hawaiian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_HA.svg) Hawaiian Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:ont,departure:30/09/2025TANYT&leg2=from:ont,to:sea,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HA"}}]) ![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 25% 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.co.uk/login) ## Cheap Flights from Seattle (SEA) to Ontario (ONT) Prices were available within the past 7 days and start at £73 for one-way flights and £130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, 1 Nov - Sat, 15 Nov SEA Seattle ONT Ontario £130 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:01/11/2025TANYT&leg2=from:ONT,to:SEA,departure:15/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:129.90&airProductToken=AQoiCiAIwaYBEgM2NjQYkgEgrpsBKNz3-wIw-fj7AjhYQABYAQoiCiAIwaYBEgM2NjUYrpsBIJIBKKuX_QIw05j9AjhYQABYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Tue, 21 Oct - Sat, 8 Nov SEA Seattle ONT Ontario £130 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:21/10/2025TANYT&leg2=from:ONT,to:SEA,departure:08/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:129.90&airProductToken=AQojCiEIyIIBEgQ2ODExGJIBIK6bASiJgPsCMKeB-wI4VUAAWAEKIwohCMiCARIENjM3MhiumwEgkgEoy8j8AjDzyfwCOFVAAFgBEgoIARABGAEqAkhBGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, 24 Oct - Sat, 25 Oct SEA Seattle ONT Ontario £138 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:24/10/2025TANYT&leg2=from:ONT,to:SEA,departure:25/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:137.40&airProductToken=AQo4CjYIxJgBEgQ0MDI3GJIBIK6bASiPofsCMLWi-wI4RUAAWAFqCU1BSU5CQVNJQ3IIVkZWU0EwQkMKOAo2CMSYARIENDA5NhiumwEgkgEoyKj7AjD5qfsCOEVAAFgBaglNQUlOQkFTSUNyCFZGVlNIM0JDEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, 26 Oct - Fri, 7 Nov SEA Seattle ONT Ontario £145 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:26/10/2025TANYT&leg2=from:ONT,to:SEA,departure:07/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:145.00&airProductToken=AQoiCiAIwaYBEgM0ODkYkgEgrpsBKIu4-wIwqLn7AjhYQABYAQoiCiAIwaYBEgM2NjUYrpsBIJIBKKu9_AIw0778AjhYQABYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, 26 Oct - Sun, 9 Nov SEA Seattle ONT Ontario £153 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:26/10/2025TANYT&leg2=from:ONT,to:SEA,departure:09/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:152.50&airProductToken=AQoiCiAIwaYBEgM0ODkYkgEgrpsBKIu4-wIwqLn7AjhYQABYAQoiCiAIwaYBEgM2MDcYrpsBIJIBKIjP_AIwstD8AjhYQABYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Tue, 3 Mar - Sun, 22 Mar SEA Seattle ONT Ontario £168 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:03/03/2026TANYT&leg2=from:ONT,to:SEA,departure:22/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:167.50&airProductToken=AQojCiEIyIIBEgQ2ODI5GJIBIK6bASiR1oYDMKnXhgM4VUAAWAEKIwohCMiCARIENjM2MRiumwEgkgEoqKeIAzDSqIgDOFVAAFgBEgoIARABGAEqAkhBGAEiBAgBEAEoBDAB) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Sun, 1 Mar - Sun, 22 Mar SEA Seattle ONT Ontario £174 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:01/03/2026TANYT&leg2=from:ONT,to:SEA,departure:22/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:174.00&airProductToken=AQojCiEIyIIBEgQ2ODI5GJIBIK6bASjRv4YDMOnAhgM4VUAAWAEKIwohCMiCARIENjM2MRiumwEgkgEoqKeIAzDSqIgDOFVAAFgBEgoIARABGAEqAkhBGAEiBAgBEAEoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 7 Nov - Sun, 9 Nov SEA Seattle ONT Ontario £179 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:07/11/2025TANYT&leg2=from:ONT,to:SEA,departure:09/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:178.30&airProductToken=AQowCi4IwaYBEgM0ODkYkgEgrpsBKMe__AIw5MD8AjhYQABYAWoCU1ZyCE5IMkVBVkJOCjAKLgjBpgESAzYwNxiumwEgkgEoiM_8AjCy0PwCOFhAAFgBagJTVnIIUUgyRUFVQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Sun, 12 Oct - Thu, 16 Oct SEA Seattle ONT Ontario £182 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:12/10/2025TANYT&leg2=from:ONT,to:SEA,departure:16/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:181.50&airProductToken=AQojCiEIyIIBEgQ2ODE0GJIBIK6bASizlfoCMNmW-gI4VUAAWAEKIwohCMiCARIENjI4ORiumwEgkgEoj8T6AjCyxfoCOFVAAFgBEgoIARABGAEqAkhBGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, 1 Oct - Fri, 17 Oct SEA Seattle ONT Ontario £183 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:ONT,departure:01/10/2025TANYT&leg2=from:ONT,to:SEA,departure:17/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:182.60&airProductToken=AQojCiEIxJgBEgQ0MDI3GJIBIK6bASiqnvkCMNSf-QI4RUAAWAEKIwohCMSYARIENDA5NhiumwEgkgEoyM76AjD5z_oCOEVAAFgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ## Find the cheapest month to fly from Seattle (SEA) to Ontario (ONT) ### October is typically the cheapest month to fly From £52 - £114 per traveller. ## Frequently asked questions ### How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to ONT? > Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Sea-Tac Airport and Los Angeles - Ontario Intl. Airport (ONT) start from £130. Make your booking ASAP to score the best price for your big adventure. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from SEA to Los Angeles - Ontario Intl. Airport (ONT)? > The majority of flights can be cancelled online, but every airline has its own set of terms and conditions. If you do need to cancel your flight, check out our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033) and follow the instructions. ### How do I find cheap flights from SEA to Los Angeles - Ontario Intl. Airport (ONT) that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seattle - Tacoma Intl. Airport (SEA) to Los Angeles - Ontario Intl. Airport (ONT) flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Sea-Tac Airport to ONT? > The flying distance between Sea-Tac Airport and Los Angeles - Ontario Intl. Airport (ONT) is 1,550 kilometres. Close your eyes or get stuck into a book and the journey will zip on by. ### Which airlines fly direct from Sea-Tac Airport to Ontario Airport? > One airline that services the route from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles - Ontario Intl. Airport (ONT) is Alaska Airlines (AS). It offers 117 flights every month. Another carrier servicing this route is Delta Air Lines (DL). You'll have 86 flights each month to select from. ### Are SEA to ONT flight tickets cheaper when they're purchased at the last minute? > It is possible to nab a fantastic last-minute deal from SEA to Ontario Airport, but it can also be hit-or-miss. As many airlines release prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares carrier prices and updates flight deals often, so you can rest easy knowing you're always getting the latest offers. ## Travel information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Los Angeles - Ontario Intl. | | Airlines serving | Hawaiian Airlines | | Return price | £130 | | Distance | 1530 km | | Average flight time | 2 hours 50 mins | ## Book with confidence ### Compare flights from Seattle to Ontario easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Ontario. Operating between them 17 flights per day, 20 airlines cover the route. And KLM, Qatar Airways, JAL, Alaska Airlines, Delta Air Lines, Hawaiian Airlines, Korean Air, WestJet, Virgin Atlantic fly direct, getting you to Los Angeles - Ontario Intl. in just 2hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Seattle - Tacoma Intl. (SEA) to Los Angeles - Ontario Intl. (ONT) The easiest way to view the best deals on flights from Seattle to Ontario today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl. start at just £130 and range up to £183.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Seattle and Ontario - booking your flight during November, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Seattle to Ontario flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Trending Routes - Trending Flights - Top Flights Destinations - Related Airlines - Nearby Airports - Cheap Flights from Other Airports - Expedia's Latest Trends ### Top Routes from Seattle - [Seattle to Bologna (SEA - BLQ)](https://expedia.co.uk/lp/flights/sea/blq/seattle-to-bologna) - [Seattle to Barcelona (SEA - BCN)](https://expedia.co.uk/lp/flights/sea/bcn/seattle-to-barcelona) - [Seattle to Florence (SEA - FLR)](https://expedia.co.uk/lp/flights/sea/flr/seattle-to-florence) - [Seattle to Dublin (SEA - DUB)](https://expedia.co.uk/lp/flights/sea/dub/seattle-to-dublin) - [Seattle to Nice (SEA - NCE)](https://expedia.co.uk/lp/flights/sea/nce/seattle-to-nice) - [Seattle to Tokyo (SEA - NRT)](https://expedia.co.uk/lp/flights/sea/nrt/seattle-to-tokyo) - [Seattle to London (SEA - LHR)](https://expedia.co.uk/lp/flights/sea/lhr/seattle-to-london) - [Seattle to Lisbon (SEA - LIS)](https://expedia.co.uk/lp/flights/sea/lis/seattle-to-lisbon) - [Seattle to Munich (SEA - MUC)](https://expedia.co.uk/lp/flights/sea/muc/seattle-to-munich) - [Seattle to San Francisco (SEA - SFO)](https://expedia.co.uk/lp/flights/sea/sfo/seattle-to-san-francisco) ### Top Routes to Ontario - [Norwich to Ontario (NWI - ONT)](https://expedia.co.uk/lp/flights/nwi/ont/norwich-to-ontario) - [Bristol to Ontario (BRS - ONT)](https://expedia.co.uk/lp/flights/brs/ont/bristol-to-ontario) - [Edinburgh to Ontario (EDI - ONT)](https://expedia.co.uk/lp/flights/edi/ont/edinburgh-to-ontario) - [Hull to Ontario (HUY - ONT)](https://expedia.co.uk/lp/flights/huy/ont/hull-to-ontario) - [Birmingham to Ontario (BHX - ONT)](https://expedia.co.uk/lp/flights/bhx/ont/birmingham-to-ontario) - [Newcastle to Ontario (NCL - ONT)](https://expedia.co.uk/lp/flights/ncl/ont/newcastle-to-ontario) - [London to Ontario (LHR - ONT)](https://expedia.co.uk/lp/flights/lhr/ont/london-to-ontario) - [Southampton to Ontario (SOU - ONT)](https://expedia.co.uk/lp/flights/sou/ont/southampton-to-ontario) - [Aberdeen to Ontario (ABZ - ONT)](https://expedia.co.uk/lp/flights/abz/ont/aberdeen-to-ontario) - [Cardiff to Ontario (CWL - ONT)](https://expedia.co.uk/lp/flights/cwl/ont/cardiff-to-ontario) - [Manchester to Ontario (MAN - ONT)](https://expedia.co.uk/lp/flights/man/ont/manchester-to-ontario) ### Top Routes from Seattle - [Virgin Atlantic Seattle to London](https://expedia.co.uk/lp/flight-routes/virgin-atlantic-from-seattle-tacoma-intl-to-heathrow/vs/sea/lhr) ### Top Routes to Ontario - [British Airways London to Ontario](https://expedia.co.uk/lp/flight-routes/british-airways-from-heathrow-to-los-angeles-ontario-intl/ba/lhr/ont) ### Top Flight Destinations - [Flights to Las Vegas](https://expedia.co.uk/Cheap-Flights-To-Las-Vegas.d178276.Travel-Guide-Flights) - [Flights to New York](https://expedia.co.uk/Cheap-Flights-To-New-York.d178293.Travel-Guide-Flights) - [Flights to Orlando](https://expedia.co.uk/Cheap-Flights-To-Orlando.d178294.Travel-Guide-Flights) - 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[Icelandair](https://expedia.co.uk/Icelandair-Flights.cFI.Travel-Guide-Airlines) - [Air Canada](https://expedia.co.uk/Air-Canada-Flights.cAC.Travel-Guide-Airlines) - [Aer Lingus](https://expedia.co.uk/Aer-Lingus-Flights.cEI.Travel-Guide-Airlines) - [Lufthansa](https://expedia.co.uk/Lufthansa-Flights.cLH.Travel-Guide-Airlines) - [Iberia](https://expedia.co.uk/Iberia-Flights.cIB.Travel-Guide-Airlines) - [Turkish Airlines](https://expedia.co.uk/Turkish-Airlines-Flights.cTK.Travel-Guide-Airlines) - [Virgin Atlantic](https://expedia.co.uk/Virgin-Atlantic-Flights.cVS.Travel-Guide-Airlines) - [Finnair](https://expedia.co.uk/Finnair-Flights.cAY.Travel-Guide-Airlines) - [Brussels Airlines](https://expedia.co.uk/Brussels-Airlines-Flights.cSN.Travel-Guide-Airlines) - [Austrian Airlines](https://expedia.co.uk/Austrian-Airlines-Flights.cOS.Travel-Guide-Airlines) - [Alaska Airlines](https://expedia.co.uk/Alaska-Airlines-Flights.cAS.Travel-Guide-Airlines) - [WestJet](https://expedia.co.uk/WestJet-Flights.cWS.Travel-Guide-Airlines) - [JetBlue Airways](https://expedia.co.uk/JetBlue-Airways-Flights.cB6.Travel-Guide-Airlines) Ontario Airports #### Los Angeles [Seattle to Los Angeles Intl.](https://expedia.co.uk/lp/flights/sea/lax/seattle-to-los-angeles) £116.80 #### Burbank [Seattle to Hollywood Burbank](https://expedia.co.uk/lp/flights/sea/bur/seattle-to-burbank) £129.90 #### Orange County [Seattle to John Wayne](https://expedia.co.uk/lp/flights/sea/sna/seattle-to-orange-county) £145.00 #### Long Beach [Seattle to Long Beach Municipal](https://expedia.co.uk/lp/flights/sea/lgb/seattle-to-long-beach) £1,046.70 ### Nearby Airports - [Boeing Field Airport (BFI)](https://expedia.co.uk/lp/airports/bfi/flights-from-boeing-field-airport) - [Seattle Paine Field Intl. Airport Airport (PAE)](https://expedia.co.uk/lp/airports/pae/flights-from-seattle-paine-field-intl-airport-airport) - [William R. Fairchild Intl. Airport (CLM)](https://expedia.co.uk/lp/airports/clm/flights-from-william-r-fairchild-intl-airport) - [Lopez Island Airport (LPS)](https://expedia.co.uk/lp/airports/lps/flights-from-lopez-island-airport) - [Bowerman Airport (HQM)](https://expedia.co.uk/lp/airports/hqm/flights-from-bowerman-airport) - [Westsound Airport (WSX)](https://expedia.co.uk/lp/airports/wsx/flights-from-westsound-airport) - [Bellingham Intl. Airport (BLI)](https://expedia.co.uk/lp/airports/bli/flights-from-bellingham-intl-airport) - [Pangborn Memorial Airport (EAT)](https://expedia.co.uk/lp/airports/eat/flights-from-pangborn-memorial-airport) ### Expedia's Latest Trends Flights - [LHR to LAX flights](https://expedia.co.uk/lp/flights/lhr/lax/london-to-los-angeles) - [LHR to BOS flights](https://expedia.co.uk/lp/flights/lhr/bos/london-to-boston) - [LHR to CVG flights](https://expedia.co.uk/lp/flights/lhr/cvg/london-to-cincinnati) - [LHR to SEA flights](https://expedia.co.uk/lp/flights/lhr/sea/london-to-seattle) - [BOS to LHR flights](https://expedia.co.uk/lp/flights/bos/lhr/boston-to-london) - [LHR to PHL flights](https://expedia.co.uk/lp/flights/lhr/phl/london-to-philadelphia) - [MAN to BOS flights](https://expedia.co.uk/lp/flights/man/bos/manchester-to-boston) - [LAS to LAX flights](https://expedia.co.uk/lp/flights/las/lax/las-vegas-to-los-angeles) - [LHR to FLL flights](https://expedia.co.uk/lp/flights/lhr/fll/london-to-fort-lauderdale) - [MAN to LAX flights](https://expedia.co.uk/lp/flights/man/lax/manchester-to-los-angeles) - [LON to NYC flights](https://expedia.co.uk/lp/flights/lon/nyc/london-to-new-york) - [LAS to SFO flights](https://expedia.co.uk/lp/flights/las/sfo/las-vegas-to-san-francisco) - [LHR to CLE flights](https://expedia.co.uk/lp/flights/lhr/cle/london-to-cleveland) - [LAX to LHR flights](https://expedia.co.uk/lp/flights/lax/lhr/los-angeles-to-london) - [LAX to SFO flights](https://expedia.co.uk/lp/flights/lax/sfo/los-angeles-to-san-francisco) - [LHR to SFO flights](https://expedia.co.uk/lp/flights/lhr/sfo/london-to-san-francisco) - [EDI to BOS flights](https://expedia.co.uk/lp/flights/edi/bos/edinburgh-to-boston) - [MAN to LAS flights](https://expedia.co.uk/lp/flights/man/las/manchester-to-las-vegas) - [LAX to LAS flights](https://expedia.co.uk/lp/flights/lax/las/los-angeles-to-las-vegas) - [MAN to SFO flights](https://expedia.co.uk/lp/flights/man/sfo/manchester-to-san-francisco) - [SFO to LAX flights](https://expedia.co.uk/lp/flights/sfo/lax/san-francisco-to-los-angeles) - [LHR to SMF flights](https://expedia.co.uk/lp/flights/lhr/smf/london-to-sacramento) - [SFO to LAS flights](https://expedia.co.uk/lp/flights/sfo/las/san-francisco-to-las-vegas) - [LHR to SAN flights](https://expedia.co.uk/lp/flights/lhr/san/london-to-san-diego) - [DUB to LAS flights](https://expedia.co.uk/lp/flights/dub/las/dublin-to-las-vegas) - [GLA to LAS flights](https://expedia.co.uk/lp/flights/gla/las/glasgow-to-las-vegas) - [LHR to LAS flights](https://expedia.co.uk/lp/flights/lhr/las/london-to-las-vegas) - [BOS to JFK flights](https://expedia.co.uk/lp/flights/bos/jfk/boston-to-new-york) - [LHR to DFW flights](https://expedia.co.uk/lp/flights/lhr/dfw/london-to-dallas) - [LAX to HNL flights](https://expedia.co.uk/lp/flights/lax/hnl/los-angeles-to-honolulu) \*Available to Expedia members. ![](https://a.travel-assets.com/mad-service/footer/bnaBanners/BEX_Footer.jpg) ## Go further with the Expedia app Save on select hotels when you book in the app. Our app deals help you to save on trips so you can travel more and manage it all on the go. 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