Cheapest return flights from San Francisco to Seoul in April from $751

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

Return flights

06 Apr - 10 Apr Air Canada
03 Apr - 10 Apr Air Canada
03 Apr - 17 Apr Air Canada
05 Apr - 17 Apr Air Canada
09 Apr - 17 Apr Air Canada
10 Apr - 17 Apr Air Canada
03 Apr - 11 Apr Air Canada
04 Apr - 11 Apr Air Canada
02 Apr - 09 Apr Air Canada
15 Apr - 29 Apr Vietnam Airlines
27 Apr - 29 May Air Canada
02 Apr - 03 May Asiana Airlines direct
27 Apr - 29 May Delta direct

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

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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