Cheapest return flights from San Francisco to Seoul in December from 605€

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 December 2025 (see full year).

Return flights

03 Dec - 12 Dec United direct
09 Dec - 22 Dec United direct
08 Dec - 22 Dec United direct
08 Dec - 19 Dec United direct
02 Dec - 19 Dec United direct
01 Dec - 26 Dec United direct
08 Dec - 11 Dec Delta
20 Dec - 31 Dec Korean Air
25 Dec - 10 Jan Delta direct
15 Dec - 09 Jan Delta direct
24 Dec - 14 Jan United direct
14 Dec - 31 Dec Delta
15 Dec - 07 Jan Delta
14 Dec - 31 Dec United direct
15 Dec - 07 Jan United direct
12 Dec - 01 Jan United direct
15 Dec - 05 Jan Hawaiian Airlines
14 Dec - 05 Jan Hawaiian Airlines
28 Dec - 04 Jan Air Canada
28 Dec - 04 Jan United direct

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

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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