RT Nonstop Flights: San Francisco, CA (SFO) to Seoul, South Korea (ICN) $643 (Travel Sept 2026 to May 2027)
at United Airlines / Expedia
Nonstop round trip flights from San Francisco to Seoul for $643 basic economy on United and Expedia.
Round trip airfares from San Francisco (SFO) to Seoul, South Korea (ICN) on United Airlines and Expedia. Nonstop flights in basic economy include a personal item, carry-on bag, and 1 free checked bag. Seat selection and changes are not available. Children will be seated together per United's policy. One-way outbound fares to Seoul are also available for $349 if you prefer to continue to another Asian destination and return from there.
FAQ
What's included in the basic economy fare?
Personal item, carry-on bag, and 1 free checked bag.
Can I choose my seat?
No, seat selection is not available with basic economy fares.
Can I change my flight?
No, changes are not permitted with this basic economy fare.
Will children be seated with adults?
Yes, children will be seated together as per United's policy.
