Cheapest one-way flights from Seoul to San Francisco in April from $289

AirHint found the following cheapest one-way flights from Seoul (ICN) to San Francisco (SFO) in April 2026 (see full year).

One-Way flights

10 Apr Air Premia direct
27 Apr Air Premia direct
01 Apr Air Premia direct
03 Apr Air Premia direct
24 Apr Air Premia direct
06 Apr Air Premia direct
19 Apr Air Premia direct
13 Apr Air Premia direct
12 Apr Air Premia direct
07 Apr Asiana Airlines direct

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

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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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