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

Return flights

08 Jun - 30 Jun	Finnair
01 Jun - 15 Jun	Finnair
03 Jun - 10 Jun	Finnair
03 Jun - 13 Jun	Finnair
21 Jun - 27 Jun	Air India
03 Jun - 10 Jun	Korean Air	direct
08 Jun - 30 Jun	Korean Air	direct
01 Jun - 15 Jun	Korean Air	direct
03 Jun - 13 Jun	Korean Air	direct
21 Jun - 27 Jun	Korean Air	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 $1260

Return flights