Cheapest return flights from San Francisco to Seoul in December from 955€

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

01 Dec - 26 Dec Air Canada
05 Dec - 10 Jan Air Canada
12 Dec - 24 Dec Korean Air direct
11 Dec - 26 Dec Delta direct
05 Dec - 10 Jan Korean Air direct
15 Dec - 19 Jan Korean Air direct
19 Dec - 26 Dec Delta direct
19 Dec - 31 Dec Korean Air direct
26 Dec - 16 Jan Korean Air direct
20 Dec - 01 Jan Korean Air direct
14 Dec - 05 Jan Lufthansa
01 Dec - 26 Dec United direct
19 Dec - 02 Jan Singapore Airlines
13 Dec - 02 Jan Air Canada
19 Dec - 02 Jan Korean Air direct
13 Dec - 02 Jan United direct
17 Dec - 31 Dec 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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