Cheapest return IND–ICN flights, May

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

Return flights

16 May - 27 May WestJet
16 May - 25 May WestJet
05 May - 15 May Alaska Airlines
15 May - 21 Jun Frontier Airlines
15 May - 14 Jun Frontier Airlines
30 May - 06 Jun Alaska Airlines
24 May - 08 Jun Alaska Airlines
24 May - 07 Jun United
25 May - 07 Jun Air Canada
17 May - 11 Jun Air Canada

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

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