Roundtrip Nonstop Flight: San Francisco, CA (SFO) to Seoul, South Korea (ICN) $661 (Travel Nov 2024 to March 2025)

Roundtrip Nonstop Flight: San Francisco, CA (SFO) to Seoul, South Korea (ICN) $661 (Travel Nov 2024 to March 2025). United Airlines, Air Premia and Expedia have round trip airfares from San Francisco (SFO) to Seoul South Korea (ICN) for $661, nonstop. These are basic economy fares on both airlines and include a personal item, a carry-on bag and 1 free checked bag. There is no seat selection and no change. If you are travelling with children, you will be seated together as per UA's policy. Travel Availability: Departs SFO: Nov 2-7, 10-19, 24-30; Dec 1-9, 27, 31; Jan 1, 6-9, 12, 14-16, 19-21, 26-29; Feb 2-12, 17-19, 22-26; March 2-6, 8, 9-12, 16-18, 24