Cheapest return flights from Seoul to San Francisco in September from $466

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

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

Return flights

09 Sep - 21 Sep Air Canada
15 Sep - 19 Sep Air Canada
17 Sep - 23 Sep Air Canada
12 Sep - 16 Sep Air Canada
11 Sep - 14 Sep Air Canada
12 Sep - 15 Sep Air Canada
19 Sep - 26 Sep Air Canada
19 Sep - 25 Sep Air Canada
09 Sep - 16 Sep Air Canada
10 Sep - 16 Sep Air Canada
15 Sep - 20 Oct Air Canada
23 Sep - 17 Oct Air Canada
22 Sep - 04 Oct Air Canada
22 Sep - 05 Oct Air Canada
21 Sep - 05 Oct Air Canada
22 Sep - 17 Oct Air Canada
25 Sep - 15 Oct United direct
15 Sep - 20 Oct Air Premia direct
25 Sep - 16 Oct Delta
25 Sep - 05 Oct Delta

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