Title: £541 Cheap Flights from Helsinki to Seattle (HEL to SEA) - Expedia.co.uk ![](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) # £541 Cheap Flights from Helsinki (HEL) to Seattle (SEA) [View £541 flight on Mon, 1 Dec 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:HEL,to:SEA,departure:01/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:540.42&airProductToken=AQpuCjUIwbIBEgQxNDExGIdZIKUEKNnC_gIw-cP-AjhZQABYAWoORUNPTk9NWUNMQVNTSUNyA1NQTwo1CMSKARIEMjAzMhilBCCSASiHxv4CMIzL_gI4WUAAWAFqDkVDT05PTVlDTEFTU0lDcgNTUE8SCggLEAEYCCoCQVkYASIECAEQASgCMAM) - [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 Helsinki-Vantaa Airport (HEL) to Seattle-Tacoma International Airport (SEA) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:hel,to:sea,departure:14/11/2025TANYT&leg2=from:sea,to:hel,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![Icelandair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FI.svg) Icelandair [](https://www.expedia.co.uk/Flights-Search?leg1=from:hel,to:sea,departure:14/11/2025TANYT&leg2=from:sea,to:hel,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FI"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:hel,to:sea,departure:14/11/2025TANYT&leg2=from:sea,to:hel,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Finnair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AY.svg) Finnair [](https://www.expedia.co.uk/Flights-Search?leg1=from:hel,to:sea,departure:14/11/2025TANYT&leg2=from:sea,to:hel,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AY"}}]) - ![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:hel,to:sea,departure:14/11/2025TANYT&leg2=from:sea,to:hel,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![SAS](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SK.svg) SAS [](https://www.expedia.co.uk/Flights-Search?leg1=from:hel,to:sea,departure:14/11/2025TANYT&leg2=from:sea,to:hel,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SK"}}]) - ![Turkish Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TK.svg) Turkish Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:hel,to:sea,departure:14/11/2025TANYT&leg2=from:sea,to:hel,departure:21/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) - ![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 Helsinki (HEL) to Seattle (SEA) Prices were available within the past 7 days and start at £541 for one-way flights and £634 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Finnair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AY.gif) Thu, 5 Mar - Fri, 3 Apr HEL Helsinki SEA Seattle £634 Return found 14 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HEL,to:SEA,departure:05/03/2026TANYT&leg2=from:SEA,to:HEL,departure:03/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:633.50&airProductToken=AQqfAQozCMGyARIDODAxGIdZIKBsKOzjhgMwsuSGAzhaQABYAWoIU1RBTkRBUkRyCE9KMlFPQUVDCjMIxpIBEgMzMDcYoGwgiikogeeGAzDT6IYDOE9AAVgBaghTVEFOREFSRHIIT0oyUU9BRUMKMwjGkgESAzY4MRiKKSCSASi86YYDMJzthgM4T0ABWAFqCFNUQU5EQVJEcghPSjJRT0FFQwqsAQozCMaSARIDNjgyGJIBIIopKPiziQMwtbeJAzhJQABYAWoIU1RBTkRBUkRyCElKMlFPQUVDCjMIxpIBEgMzMjIYiikgzlwogLiJAzCluYkDOElAAVgBaghTVEFOREFSRHIISUoyUU9BRUMKQAjGkgESBDczMjgYzlwgh1komLqJAzDtuokDOElAAVgBaghTVEFOREFSRHIISUoyUU9BRUN6CgjBsgESBDczMjgSCggBEAEYASoCRkkYASIECAEQASgCKAMoBDAB) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Thu, 12 Feb - Tue, 17 Feb HEL Helsinki SEA Seattle £637 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HEL,to:SEA,departure:12/02/2026TANYT&leg2=from:SEA,to:HEL,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:636.20&airProductToken=AQpkCjAIxpIBEgMzNDMYh1kgiiko6_qEAzDb_IQDOFhAAFgBagVMSUdIVHIIWFUyTUZJTFQKMAjGkgESAzY4MRiKKSCSASic_YQDMPyAhQM4WEABWAFqBUxJR0hUcghYVTJNRklMVApkCjAIxpIBEgM2ODAYkgEgiikoi7iFAzDXu4UDOFhAAFgBagVMSUdIVHIIWFUyTUZJTFQKMAjGkgESAzM0MhiKKSCHWSiivIUDMO-9hQM4WEABWAFqBUxJR0hUcghYVTJNRklMVBIKCAEQARgBKgJGSRgBIgQIARABKAIoAygEMAE) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Thu, 5 Mar - Fri, 3 Apr HEL Helsinki SEA Seattle £640 Return found 14 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HEL,to:SEA,departure:05/03/2026TANYT&leg2=from:SEA,to:HEL,departure:03/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:639.30&airProductToken=AQqsAQpACMaSARIENzMxNRiHWSCgbCiq5YYDMPXlhgM4SUAAWAFqCFNUQU5EQVJEcghJSjJRT0FFQ3oKCMGyARIENzMxNQozCMaSARIDMzA3GKBsIIopKIHnhgMw0-iGAzhJQAFYAWoIU1RBTkRBUkRyCElKMlFPQUVDCjMIxpIBEgM2ODEYiikgkgEovOmGAzCc7YYDOElAAVgBaghTVEFOREFSRHIISUoyUU9BRUMKrAEKMwjGkgESAzY4MhiSASCKKSj4s4kDMLW3iQM4SUAAWAFqCFNUQU5EQVJEcghJSjJRT0FFQwozCMaSARIDMzIyGIopIM5cKIC4iQMwpbmJAzhJQAFYAWoIU1RBTkRBUkRyCElKMlFPQUVDCkAIxpIBEgQ3MzI4GM5cIIdZKJi6iQMw7bqJAzhJQAFYAWoIU1RBTkRBUkRyCElKMlFPQUVDegoIwbIBEgQ3MzI4EgoIARABGAEqAkZJGAEiBAgBEAEoAigDKAQwAQ) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Thu, 5 Mar - Fri, 3 Apr HEL Helsinki SEA Seattle £643 Return found 14 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HEL,to:SEA,departure:05/03/2026TANYT&leg2=from:SEA,to:HEL,departure:03/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:643.00&airProductToken=AQpkCjAIxpIBEgMzNDMYh1kgiikoi-eGAzD76IYDOFhAAFgBagVMSUdIVHIIWFUyTUZJTFQKMAjGkgESAzY4MRiKKSCSASi86YYDMJzthgM4WEABWAFqBUxJR0hUcghYVTJNRklMVApkCjAIxpIBEgM2ODAYkgEgiikotbKJAzD3tYkDOFhAAFgBagVMSUdIVHIIWFUyTUZJTFQKMAjGkgESAzM0MhiKKSCHWSjCtokDMJS4iQM4WEABWAFqBUxJR0hUcghYVTJNRklMVBIKCAEQARgBKgJGSRgBIgQIARABKAIoAygEMAE) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Thu, 12 Feb - Tue, 17 Feb HEL Helsinki SEA Seattle £658 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HEL,to:SEA,departure:12/02/2026TANYT&leg2=from:SEA,to:HEL,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:658.00&airProductToken=AQqgAQo0CMaSARIENzMxNRiHWSCgbCiK-YQDMNX5hAM4SUAAWAFqCFNUQU5EQVJEcghJSjJRT0FFQwozCMaSARIDMzA3GKBsIIopKOH6hAMws_yEAzhJQAFYAWoIU1RBTkRBUkRyCElKMlFPQUVDCjMIxpIBEgM2ODEYiikgkgEonP2EAzD8gIUDOElAAVgBaghTVEFOREFSRHIISUoyUU9BRUMKoAEKMwjGkgESAzY4MBiSASCKKSiLuIUDMNe7hQM4U0AAWAFqCFNUQU5EQVJEcghTSjJRT0FFQwozCMaSARIDMzA2GIopIKBsKKe8hQMw5b2FAzhTQAFYAWoIU1RBTkRBUkRyCFNKMlFPQUVDCjQIxpIBEgQ3MzEyGKBsIIdZKL--hQMw-76FAzhTQAFYAWoIU1RBTkRBUkRyCFNKMlFPQUVDEgoIARABGAEqAkZJGAEiBAgBEAEoAigDKAQwAQ) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Thu, 5 Mar - Fri, 3 Apr HEL Helsinki SEA Seattle £664 Return found 14 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HEL,to:SEA,departure:05/03/2026TANYT&leg2=from:SEA,to:HEL,departure:03/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:664.00&airProductToken=AQqsAQpACMaSARIENzMxNRiHWSCgbCiq5YYDMPXlhgM4SUAAWAFqCFNUQU5EQVJEcghJSjJRT0FFQ3oKCMGyARIENzMxNQozCMaSARIDMzA3GKBsIIopKIHnhgMw0-iGAzhJQAFYAWoIU1RBTkRBUkRyCElKMlFPQUVDCjMIxpIBEgM2ODEYiikgkgEovOmGAzCc7YYDOElAAVgBaghTVEFOREFSRHIISUoyUU9BRUMKrAEKMwjGkgESAzY4MhiSASCKKSj4s4kDMLW3iQM4U0AAWAFqCFNUQU5EQVJEcghTSjJRT0FFQwozCMaSARIDMzA4GIopIKBsKJS4iQMw0rmJAzhTQAFYAWoIU1RBTkRBUkRyCFNKMlFPQUVDCkAIxpIBEgQ3MzAwGKBsIIdZKKy6iQMw6LqJAzhTQAFYAWoIU1RBTkRBUkRyCFNKMlFPQUVDegoIwbIBEgQ3MzAwEgoIARABGAEqAkZJGAEiBAgBEAEoAigDKAQwAQ) ![Finnair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AY.gif) Thu, 12 Feb - Tue, 17 Feb HEL Helsinki SEA Seattle £672 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HEL,to:SEA,departure:12/02/2026TANYT&leg2=from:SEA,to:HEL,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:671.10&airProductToken=AQqfAQozCMGyARIDODA1GIdZIKBsKIr5hAMw1fmEAzhPQABYAWoIU1RBTkRBUkRyCElKMlFPQUVDCjMIxpIBEgMzMDcYoGwgiiko4fqEAzCz_IQDOElAAVgBaghTVEFOREFSRHIISUoyUU9BRUMKMwjGkgESAzY4MRiKKSCSASic_YQDMPyAhQM4SUABWAFqCFNUQU5EQVJEcghJSjJRT0FFQwqgAQozCMaSARIDNjgwGJIBIIopKIu4hQMw17uFAzhTQABYAWoIU1RBTkRBUkRyCFNKMlFPQUVDCjMIxpIBEgMzMDYYiikgoGwop7yFAzDlvYUDOFNAAVgBaghTVEFOREFSRHIIU0oyUU9BRUMKNAjGkgESBDczMTIYoGwgh1kov76FAzD7voUDOFNAAVgBaghTVEFOREFSRHIIU0oyUU9BRUMSCggBEAEYASoCRkkYASIECAEQASgCKAMoBDAB) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Thu, 12 Feb - Tue, 17 Feb HEL Helsinki SEA Seattle £683 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HEL,to:SEA,departure:12/02/2026TANYT&leg2=from:SEA,to:HEL,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:682.30&airProductToken=AQpoCjIIwoIBEgQ2MDUzGIdZIKOxASiW-oQDMJb_hAM4T0AAWAFqBU5PQkFHcghPTE4wQzhCVwoyCMKCARIENjU0NRijsQEgkgEo04KFAzDbhIUDOE9AAVgBagVOT0JBR3IIT0xOMEM4QlcKaAoyCMKCARIEMTgwMBiSASCjsQEo87OFAzDgtYUDOE9AAFgBagVOT0JBR3IIT0xOMEM4QlcKMgjCggESBDYwNTQYo7EBIIdZKJ-4hQMw7byFAzhPQAFYAWoFTk9CQUdyCE9MTjBDOEJXEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![Scandinavian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SK.gif) Thu, 5 Mar - Fri, 3 Apr HEL Helsinki SEA Seattle £685 Return found 14 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HEL,to:SEA,departure:05/03/2026TANYT&leg2=from:SEA,to:HEL,departure:03/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:684.60&airProductToken=AQqgAQo0CNOWARIEMTcwNxiHWSDiOyjw5YYDMNnmhgM4VEAAWAFqCFNUQU5EQVJEcghPSjJRT0FFQwozCMaSARIDMjA1GOI7IIopKIvnhgMw3eiGAzhPQAFYAWoIU1RBTkRBUkRyCE9KMlFPQUVDCjMIxpIBEgM2ODEYiikgkgEovOmGAzCc7YYDOE9AAVgBaghTVEFOREFSRHIIT0oyUU9BRUMKrAEKMwjGkgESAzY4MhiSASCKKSj4s4kDMLW3iQM4SUAAWAFqCFNUQU5EQVJEcghJSjJRT0FFQwozCMaSARIDMzIyGIopIM5cKIC4iQMwpbmJAzhJQAFYAWoIU1RBTkRBUkRyCElKMlFPQUVDCkAIxpIBEgQ3MzI4GM5cIIdZKJi6iQMw7bqJAzhJQAFYAWoIU1RBTkRBUkRyCElKMlFPQUVDegoIwbIBEgQ3MzI4EgoIARABGAEqAkZJGAEiBAgBEAEoAigDKAQwAQ) ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Thu, 5 Mar - Fri, 3 Apr HEL Helsinki SEA Seattle £692 Return found 14 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HEL,to:SEA,departure:05/03/2026TANYT&leg2=from:SEA,to:HEL,departure:03/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:691.80&airProductToken=AQpdCi0I1JYBEgQxNzYyGIdZIMicASi25oYDMJfohgM4VkAAWAFqAlBTcgZWTjNYUEIKLAjUlgESAzIwMxjInAEgkgEoxPKGAzDB-IYDOFZAAVgBagJQU3IGVk4zWFBCClsKKwjUlgESAzIwNBiSASDInAEogrSJAzDNuYkDOFFAAFgBagJSU3IFUU4zUFgKLAjUlgESBDE3NjEYyJwBIIdZKLjAiQMwj8KJAzhRQAFYAWoCUlNyBVFOM1BYEgoIARABGAEqAlRLGAEiBAgBEAEoAigDKAQwAQ) ## Find the cheapest month to fly from Helsinki (HEL) to Seattle (SEA) ### May is typically the cheapest month to fly From £387 - £740 per traveller. Flight from Helsinki to Seattle route information | Origin airport | Vantaa | | --- | --- | | Destination airport | Seattle - Tacoma Intl. | | Return price | £634 | | Distance | 7628 km | ## Compare flights from Helsinki to Seattle easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Helsinki to Seattle. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Vantaa to Seattle - Tacoma 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 Vantaa (HEL) to Seattle - Tacoma Intl. (SEA) The easiest way to view the best deals on flights from Helsinki to Seattle 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 Vantaa to Seattle - Tacoma Intl. start at just £634 and range up to £692.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Helsinki and Seattle - booking your flight during March, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Helsinki to Seattle flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Vantaa to Seattle - Tacoma 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.   ## Frequently asked questions ### How much is a flight from Helsinki-Vantaa Airport to SEA? > Pack your bags, because round-trip flights between HEL and Sea-Tac Airport start from £634. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from HEL to Sea-Tac Airport? > Every air carrier has its own terms and conditions. If you decide to cancel your holiday, visit our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from HEL to Seattle - Tacoma Intl. Airport (SEA) 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 Helsinki-Vantaa Airport to SEA flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Vantaa Airport (HEL) to Sea-Tac Airport? > Vantaa to SeaTac is around 7,700 kilometres, so be prepared to spend a while in the air. Don't forget to pack all the essentials, from your eye mask to your earphones. Toss in a few snacks to nibble on throughout your trip too. ### Which airlines fly direct from Helsinki Airport to Seattle - Tacoma Intl. Airport (SEA)? > Unfortunately, there are no airlines that fly direct between HEL and SEA. You'll need to book a flight with one or more stops. ### Are Helsinki-Vantaa Airport to SEA flight tickets cheaper when they're purchased at the last minute? > Flight tickets from Helsinki Airport to Seattle - Tacoma Intl. Airport (SEA) are available up to a year prior to departure on Expedia. And although you may score fantastic last-minute deals, it's not something you should count on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid getting stuck in the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials. ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Other ### Accommodation - [5 Star Hotels in Bryn Mawr-Skyway](https://www.expedia.co.uk/5Star-Bryn-Mawr-Skyway-Seattle-Hotels.s50-n158768-0.Travel-Guide-Filter-Hotels) - [Bryn Mawr-Skyway Hotels](https://www.expedia.co.uk/Bryn-Mawr-Skyway-Seattle-Hotels.0-n158768-0.Travel-Guide-Filter-Hotels) - [B&B in Burien](https://www.expedia.co.uk/Burien-Bed-And-Breakfasts.d84625-aaBedAndBreakfasts.Travel-Guide-Accommodation) - [Burien Hotels](https://www.expedia.co.uk/Burien-Hotels.d84625.Travel-Guide-Hotels) - [Hotels with Hot Tubs in Des Moines](https://www.expedia.co.uk/Des-Moines-Hotels-Hotels-With-Hot-Tubs.0-0-d6751-tHotelsWithHotTubs.Travel-Guide-Filter-Hotels) - [Des Moines Hotels](https://www.expedia.co.uk/Des-Moines-Hotels.d6751.Travel-Guide-Hotels) - [Gay-Friendly Hotels in Downtown Burien](https://www.expedia.co.uk/Downtown-Burien-Seattle-Hotels-Gay-Friendly-Hotel.0-n6193214-0-tGayFriendlyHotel.Travel-Guide-Filter-Hotels) - 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[White Center Hotels](https://www.expedia.co.uk/White-Center-Seattle-Hotels.0-n174112-0.Travel-Guide-Filter-Hotels) ### Flights - [Flights to Kent](https://www.expedia.co.uk/Cheap-Flights-To-Kent.d8223.Travel-Guide-Flights) - [Flights to SeaTac](https://www.expedia.co.uk/Cheap-Flights-To-SeaTac.d156205.Travel-Guide-Flights) - [Flights to Seattle](https://www.expedia.co.uk/Cheap-Flights-To-Seattle.d178307.Travel-Guide-Flights) - [Flights to Tukwila](https://www.expedia.co.uk/Cheap-Flights-To-Tukwila.d9989.Travel-Guide-Flights) - [Flights from Renton Municipal](https://www.expedia.co.uk/lp/airports/rnt/flights-from-renton-municipal-airport) - [Flights from Kent](https://www.expedia.co.uk/lp/flights/8223/flights-from-kent) - [Flights from Renton](https://www.expedia.co.uk/lp/flights/9705/flights-from-renton) - [Flights from Belfast (BFS) to Kenmore (KEH)](https://www.expedia.co.uk/lp/flights/bfs/keh/belfast-to-kenmore) - [Flights from Bristol (BRS) to Seattle (BFI)](https://www.expedia.co.uk/lp/flights/brs/bfi/bristol-to-seattle) - 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