Cheapest return flights from San Francisco to Seoul in September from 828€

Best time to book flights for San Francisco (SFO) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from San Francisco (SFO) to Seoul (ICN) in September 2025 (see full year).

Return flights

16 Sep - 28 Sep Cathay Pacific
04 Sep - 18 Sep Cathay Pacific
03 Sep - 24 Sep Cathay Pacific
02 Sep - 16 Sep Cathay Pacific
20 Sep - 27 Sep Vietnam Airlines
13 Sep - 21 Sep Vietnam Airlines
21 Sep - 10 Oct Cathay Pacific
09 Sep - 14 Oct Zipair
03 Sep - 24 Sep Air Premia direct
21 Sep - 10 Oct Air Premia direct
16 Sep - 28 Sep Asiana Airlines direct
04 Sep - 18 Sep Asiana Airlines direct
02 Sep - 16 Sep Asiana Airlines direct
09 Sep - 14 Oct Delta direct
27 Sep - 05 Oct United direct

Also check the deals for one-way flights from San Francisco to Seoul in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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