Cheapest return ICN–ORD flights, May

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

Return flights

05 May - 12 May Asiana Airlines
07 May - 12 May Asiana Airlines
04 May - 11 May Asiana Airlines
09 May - 12 May Air Canada
10 May - 30 May Air Busan
13 May - 12 Jun Air Canada
13 May - 23 Jun Air Canada
21 May - 26 May Asiana Airlines
03 May - 10 May Alaska Airlines
04 May - 10 May Alaska Airlines
28 May - 04 Jun Qatar Airways
18 May - 11 Jun Air Canada
15 May - 18 May Qatar Airways
13 May - 22 Jun Qatar Airways
14 May - 24 Jun Qatar Airways
15 May - 04 Jun Qatar Airways
11 May - 14 May Asiana Airlines
21 May - 05 Jun Qatar Airways
25 May - 01 Jun Qatar Airways
23 May - 07 Jun Qatar Airways

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

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