Cheapest return flights from Seoul to San Francisco in December 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 December 2025 (see full year).

Return flights

01 Dec - 31 Dec Air Canada
10 Dec - 29 Dec Air Canada
11 Dec - 29 Dec Air Canada
11 Dec - 30 Dec Air Canada
12 Dec - 29 Dec Air Canada
12 Dec - 28 Dec Air Canada
22 Dec - 29 Dec United direct
19 Dec - 29 Dec United direct
10 Dec - 29 Dec United direct
12 Dec - 29 Dec United direct
19 Dec - 04 Jan United direct
17 Dec - 11 Jan United direct
26 Dec - 25 Jan United direct
22 Dec - 04 Jan United direct
24 Dec - 05 Jan United direct
10 Dec - 01 Jan Air Canada
29 Dec - 03 Jan Korean Air direct
19 Dec - 02 Jan Korean Air direct
22 Dec - 02 Jan Korean Air direct
22 Dec - 30 Jan Korean Air direct

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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