Cheapest one-way flights from San Francisco (SFO) to Seoul (ICN), September

10 dates in September 2027, from $ 389. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
23 Sep 2027 Cathay Pacific
30 Sep 2027 Cathay Pacific
21 Sep 2027 Cathay Pacific
20 Sep 2027 Philippine Airlines
24 Sep 2027 Philippine Airlines
25 Sep 2027 Philippine Airlines
4 Sep 2027 Philippine Airlines
23 Sep 2027 Korean Air
Direct Flight
30 Sep 2027 Korean Air
Direct Flight
16 Sep 2027 Korean Air
Direct Flight
Powered by

Cheapest deals for the full year

Deals for return flights from San Francisco to Seoul in September.

Book a cheap hotel in Seoul

Cheap car rent in Incheon Intl

Updated Oct 17, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.