Cheapest return flights from Chicago to Seoul in May from $900

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

Return flights

03 May - 20 May Turkish Airlines
04 May - 23 May Turkish Airlines
04 May - 16 May Turkish Airlines
07 May - 17 May Alaska Airlines
04 May - 10 May Frontier Airlines
06 May - 30 May Alaska Airlines
16 May - 31 May Frontier Airlines
11 May - 18 May WestJet
20 May - 02 Jun WestJet
20 May - 30 May WestJet
20 May - 31 May WestJet
20 May - 01 Jun WestJet
07 May - 15 Jun Alaska Airlines
20 May - 03 Jun Frontier Airlines
07 May - 16 Jun Alaska Airlines
18 May - 03 Jun Frontier Airlines
16 May - 03 Jun Frontier Airlines
19 May - 02 Jun Spirit Airlines
19 May - 01 Jun Spirit Airlines
20 May - 10 Jun WestJet

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

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