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

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

AirHint found the following cheapest return flights from San Francisco (SFO) to Seoul (ICN) in April 2025 (see full year).

Return flights

03 Apr - 09 Apr China Eastern
09 Apr - 29 Apr Cathay Pacific
22 Apr - 29 Apr Cathay Pacific
21 Apr - 22 May Cathay Pacific
03 Apr - 07 May Cathay Pacific
16 Apr - 23 Apr Vietnam Airlines
09 Apr - 16 Apr Vietnam Airlines
16 Apr - 14 May Vietnam Airlines
02 Apr - 11 Apr Vietnam Airlines
03 Apr - 11 Apr Vietnam Airlines
03 Apr - 08 Apr Vietnam Airlines
16 Apr - 22 Apr Vietnam Airlines
23 Apr - 30 Apr Vietnam Airlines
19 Apr - 17 May China Eastern
16 Apr - 14 May Air Premia direct
23 Apr - 01 May Air Canada
16 Apr - 04 May Air Canada
24 Apr - 03 May Air Canada
24 Apr - 04 May Air Canada
26 Apr - 03 May China Eastern

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