Cheapest one-way flights from Seoul to San Francisco in October from $329

Best time to book flights for Seoul (ICN) to San Francisco (SFO) flights at AirHint

AirHint found the following cheapest one-way flights from Seoul (ICN) to San Francisco (SFO) in October 2025 (see full year).

One-Way flights

10 Oct Air Canada
09 Oct Air Canada
07 Oct Air Canada
17 Oct Air Canada
20 Oct Air Canada
14 Oct Air Canada
13 Oct Air Canada
15 Oct Air Canada
24 Oct Air Canada
18 Oct Air Canada

Also check the deals for return flights from Seoul to San Francisco in October.

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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