Title: Cheap KLM fights from San Francisco to Seoul - Expedia.ca ![](https://images.trvl-media.com/place/178308/0f4f99b6-31cf-474b-8e82-69823a56dfad.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178308/0f4f99b6-31cf-474b-8e82-69823a56dfad.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap KLM fights from San Francisco (SFO) to Seoul (ICN) - [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 - ![](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 30% 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.ca/login) ## KLM flights from San Francisco to Seoul (SFO→ICN) Prices were available within the past 7 days and start at for one-way flights and CA $2,555 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Thu, Apr 23 - Thu, Apr 30 SFO San Francisco ICN Seoul CA $2,555 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SFO,to:ICN,departure:23/04/2026TANYT&leg2=from:ICN,to:SFO,departure:30/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2554.40&airProductToken=AQpwCjYIy5gBEgQyNDMyGLJxIOIwKI2TiwMwl5iLAzhOQABYAXIITktBNDNOTVB6CgjBjAESBDI0MzIKNgjLmAESBDIwMTgY4jAgyGgo-JmLAzDDn4sDOE5AAVgBcghOS0E0M05NUHoKCMGMARIEMjAxOApYCioIy5gBEgM4NTYYyGgggJMBKOXdiwMwnuSLAzhOQABYAXIITktBNDNOTVAKKgjLmAESAzYwNRiAkwEgsnEotuaLAzDF64sDOE5AAVgBcghOS0E0M05NUBIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE) ## Find the cheapest month to fly from San Francisco (SFO) to Seoul (ICN) ### May is typically the cheapest month to fly From CA $883 - CA $1,563 per traveller. __Flight from San Francisco to Seoul (SFO - ICN) route information__ | Origin airport | San Francisco Intl. | | ------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Incheon Intl. | | Airlines serving | Air Canada, Air India, Alaska Airlines, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, China Southern Airlines, Delta, EVA Airways, Emirates, Etihad Airways, Hawaiian Airlines, Korean Air, Philippine Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines, United, Vietnam Airlines | | Popular airline | Asiana Airlines | | Distance | 9032 km | | Average flight time | 29 hours 55 mins | ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Other - [1 Star Hotels in Muuido Island ](https://www.expedia.ca/1Star-Muuido-Island-Hotels.s10-0-d6336733.Travel-Guide-Filter-Hotels) - 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