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

Return flights

09 Jun - 10 Jul	Air Canada
23 Jun - 30 Jun	Cathay Pacific
09 Jun - 29 Jun	Cathay Pacific
21 Jun - 28 Jun	Cathay Pacific
11 Jun - 12 Jul	Finnair
22 Jun - 17 Jul	Finnair
10 Jun - 05 Jul	Finnair
11 Jun - 16 Jul	Air Canada
22 Jun - 10 Jul	Finnair
05 Jun - 05 Jul	Finnair
18 Jun - 19 Jul	Finnair
23 Jun - 10 Jul	Cathay Pacific
28 Jun - 17 Jul	Finnair
23 Jun - 30 Jun	Delta	direct
09 Jun - 29 Jun	Delta	direct
21 Jun - 28 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 $1174

Return flights