Cheapest return flights from San Diego to Seoul in April from $810

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

Return flights

19 Apr - 22 Apr Air Canada
08 Apr - 15 Apr Air Canada
06 Apr - 22 Apr Air Canada
28 Apr - 04 May Air Canada
27 Apr - 04 May Air Canada
29 Apr - 12 May Air Canada
19 Apr - 02 May Frontier Airlines
22 Apr - 08 May Alaska Airlines
09 Apr - 21 Apr Air Canada
06 Apr - 19 Apr Air Canada
01 Apr - 08 Apr Alaska Airlines
04 Apr - 11 Apr Frontier Airlines

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

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