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

Return flights

02 Jun - 09 Jun	WestJet
06 Jun - 20 Jun	WestJet
06 Jun - 13 Jun	WestJet
06 Jun - 14 Jun	WestJet
13 Jun - 04 Jul	WestJet
22 Jun - 29 Jun	Cathay Pacific
27 Jun - 02 Jul	Cathay Pacific
01 Jun - 08 Jun	Cathay Pacific
28 Jun - 10 Jul	Cathay Pacific
21 Jun - 28 Jun	Cathay Pacific
15 Jun - 27 Jun	Cathay Pacific
12 Jun - 26 Jun	WestJet
16 Jun - 06 Jul	Finnair
05 Jun - 25 Jun	WestJet
09 Jun - 12 Jul	Alaska Airlines
08 Jun - 31 Jul	Finnair
08 Jun - 12 Jul	Cathay Pacific
20 Jun - 01 Jul	Air France
16 Jun - 06 Jul	Delta	direct
20 Jun - 01 Jul	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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Chicago to Seoul in June from $884

Return flights