Cheapest return flights from Seoul to San Francisco in December from 878€

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 December 2025 (see full year).

Return flights

02 Dec - 10 Dec China Airlines
24 Dec - 28 Dec Korean Air direct
02 Dec - 10 Dec Korean Air direct
03 Dec - 15 Dec Korean Air direct
22 Dec - 29 Dec Korean Air direct
15 Dec - 22 Dec Delta direct
02 Dec - 18 Dec Korean Air direct
25 Dec - 31 Dec Korean Air direct
26 Dec - 31 Dec Korean Air direct
24 Dec - 31 Dec Korean Air direct
29 Dec - 01 Jan Korean Air direct
23 Dec - 04 Jan Korean Air direct
18 Dec - 01 Jan Korean Air direct
25 Dec - 03 Jan Asiana Airlines direct
26 Dec - 16 Jan Asiana Airlines direct
19 Dec - 03 Jan Asiana Airlines direct
28 Dec - 04 Jan Korean Air direct
21 Dec - 14 Jan Korean Air direct
25 Dec - 02 Jan Air Canada
17 Dec - 01 Jan Air Canada

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