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

Return flights

06 Jun - 22 Jun	WestJet
09 Jun - 13 Jul	WestJet
09 Jun - 12 Jul	WestJet
06 Jun - 20 Jun	WestJet
29 Jun - 08 Jul	Alaska Airlines
17 Jun - 16 Jul	Cathay Pacific
16 Jun - 06 Jul	Cathay Pacific
02 Jun - 30 Jul	Alaska Airlines
02 Jun - 30 Jul	Delta	direct
09 Jun - 13 Jul	Delta	direct
29 Jun - 08 Jul	Delta	direct
16 Jun - 06 Jul	Delta	direct
06 Jun - 22 Jun	Korean Air	direct
06 Jun - 20 Jun	Delta	direct
10 Jun - 14 Jun	Delta	direct
13 Jun - 19 Jun	Delta	direct

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Chicago to Seoul in June from 732€

Return flights