Cheapest return flights from Seoul to San Francisco in December from $901

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

09 Dec - 16 Dec China Airlines
16 Dec - 23 Dec China Airlines
09 Dec - 16 Dec Asiana Airlines direct
16 Dec - 23 Dec Asiana Airlines direct
17 Dec - 23 Dec China Airlines
15 Dec - 22 Dec China Airlines
19 Dec - 28 Dec Korean Air direct
17 Dec - 23 Dec Korean Air direct
15 Dec - 22 Dec Korean Air direct
19 Dec - 27 Dec Asiana Airlines 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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