Cheapest one-way flights from San Francisco to Seoul in September from 421€

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

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

One-Way flights

24 Sep Vietnam Airlines
28 Sep Alaska Airlines
10 Sep Vietnam Airlines
19 Sep Zipair
08 Sep Zipair
26 Sep Zipair
12 Sep STARLUX Airlines
24 Sep Air Premia direct
08 Sep Air Premia direct
19 Sep Air Premia direct

Also check the deals for return 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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