Title: £531 Cheap KLM flights from Seattle to Amsterdam (SEA→AMS) - Expedia.co.uk ![Amsterdam, capital of the Netherlands, has more than one hundred kilometres of canals, about 90 islands and 1,500 bridges.](https://images.trvl-media.com/place/178229/1986d813-a980-455f-bb10-560414eb9280.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178229/1986d813-a980-455f-bb10-560414eb9280.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £531 Cheap KLM flights from Seattle to Amsterdam (SEA→AMS) [View £531 flight on Sat, 31 Oct 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:SEA,to:AMS,departure:31/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:530.40&airProductToken=AQp_Cj0Iy5gBEgQ2NTE4GJIBIKlRKIf7mwMwzv2bAzhUQABYAWoFTElHSFRyCFRMWDk5TkJQegoIxJgBEgQ2NTE4Cj4Iy5gBEgQ2MDcwGKlRIICTASj5gpwDMKeGnAM4VEABWAFqBUxJR0hUcghUTFg5OU5CUHoKCMSYARIENjA3MBIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMA0) - ![](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\* - ![](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\* - ![](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) ## KLM flights from Seattle to Amsterdam (SEA→AMS) Prices were available within the past 7 days and start at £531 for one-way flights and £694 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Mon, 27 Apr - Tue, 12 May SEA Seattle AMS Amsterdam £694 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:AMS,departure:27/04/2026TANYT&leg2=from:AMS,to:SEA,departure:12/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:693.36&airProductToken=AQp1Cj4Iy5gBEgQ2MDIxGJIBIOuJASidw4sDMOvHiwM4VkAAWAFqBUxJR0hUcghWTFg4NlNCRHoKCMSYARIENjAyMQozCMuYARIEMTAxNhjriQEggJMBKKvKiwMw8cqLAzhMQAFYAWoFTElHSFRyCFZMWDg2U0JECnUKMwjLmAESBDEwMTEYgJMBIOuJASiI5YwDMNPljAM4TEAAWAFqBUxJR0hUcghWTFg4NlNCRAo-CMuYARIENjAyMhjriQEgkgEoreaMAzCf64wDOFZAAVgBagVMSUdIVHIIVkxYODZTQkR6CgjEmAESBDYwMjISCggBEAEYASoCS0wYASIECAEQASgCKAMoBDAN) ## Alternative airports near Amsterdam Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.co.uk/Flights-Search?leg1=from:SEA,to:AMS,departure:17/04/2026TANYT&leg2=from:AMS,to:SEA,departure:06/05/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) AMS Schiphol CheapestClosest 20 min [Flights from £822 ](https://www.expedia.co.uk/Flights-Search?leg1=from:SEA,to:AMS,departure:17/04/2026TANYT&leg2=from:AMS,to:SEA,departure:06/05/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Find the cheapest month to fly from Seattle (SEA) to Amsterdam (AMS) ### March is typically the cheapest month to fly From £331 - £849 per traveller. ## Frequently asked questions ### How much is a KLM flight from Seattle - Tacoma Intl. Airport (SEA) to Schiphol Airport (AMS)? ### What is the cheapest month to fly from SEA to AMS with KLM? ### Does KLM fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Schiphol Airport (AMS)? ### What airports does KLM fly into in Amsterdam? ### Can I change or cancel my KLM flight from Seattle - Tacoma Intl. Airport (SEA) to Schiphol Airport (AMS)? ## Travel information | Origin airport | Seattle - Tacoma Intl. | | ------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Schiphol | | Airlines serving | Aer Lingus, Air Canada, Air France, British Airways, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, Virgin Atlantic | | Popular airline | Virgin Atlantic | | Distance | 7794 km | | Average flight time | 18 hours 55 mins | \*Available to Expedia members.