Cheapest return flights from San Francisco to Seoul in October from $644

AirHint found the following cheapest return flights from San Francisco (SFO) to Seoul (ICN) in October 2026 (see full year).

Return flights

09 Oct - 18 Oct Air Premia direct
09 Oct - 19 Oct Air Premia direct
14 Oct - 28 Oct Air Premia direct
18 Oct - 02 Nov Air Premia direct
17 Oct - 25 Oct Air Premia direct
03 Oct - 10 Oct Air Premia direct
16 Oct - 23 Oct Air Premia direct
18 Oct - 01 Nov Air Premia direct
12 Oct - 07 Nov Air Premia direct
13 Oct - 23 Oct Cathay Pacific
31 Oct - 12 Nov Alaska Airlines
06 Oct - 31 Oct United direct
31 Oct - 12 Nov United direct
13 Oct - 23 Oct United direct

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

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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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