AirHint found the following cheapest return flights from San Diego (SAN) to Seoul (ICN) in April 2026 (see full year).
Return flights
| 22 Apr - 08 May | Alaska Airlines | ||
| 08 Apr - 15 Apr | Hawaiian Airlines | ||
| 18 Apr - 26 Apr | Hawaiian Airlines | ||
| 01 Apr - 08 Apr | Alaska Airlines | ||
| 22 Apr - 26 May | Air Canada | ||
| 16 Apr - 25 Apr | Hawaiian Airlines |
Also check the deals for one-way flights from San Diego to Seoul in April.
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