Cheapest return FAT–ICN flights, May

AirHint found the following cheapest return flights from Fresno (FAT) to Seoul (ICN) in May 2026 (see full year).

Return flights

02 May - 18 May Volaris
04 May - 23 May Allegiant Air
22 May - 01 Jun Alaska Airlines

Also check the deals for one-way flights from Fresno to Seoul in May.

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