Cheapest return ORD–ICN flights, June

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

Return flights

01 Jun - 08 Jun Alaska Airlines
08 Jun - 16 Jun Frontier Airlines
29 Jun - 14 Jul WestJet
04 Jun - 15 Jun WestJet
10 Jun - 23 Jun Frontier Airlines
11 Jun - 16 Jun Finnair
12 Jun - 30 Jun Frontier Airlines
01 Jun - 07 Jun Alaska Airlines
09 Jun - 27 Jun Frontier Airlines
02 Jun - 13 Jun Alaska Airlines
13 Jun - 26 Jun Frontier Airlines
29 Jun - 29 Jul WestJet
29 Jun - 30 Jul WestJet
12 Jun - 24 Jul Frontier Airlines
30 Jun - 29 Jul Frontier Airlines
25 Jun - 26 Jul WestJet
25 Jun - 29 Jul WestJet
26 Jun - 07 Jul Air Canada
18 Jun - 25 Jul Cathay Pacific
29 Jun - 14 Jul Korean Air direct

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

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