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

Return flights

15 Jun - 23 Jun	Cathay Pacific
09 Jun - 16 Jul	Finnair
04 Jun - 29 Jul	Finnair
02 Jun - 26 Jul	Cathay Pacific
28 Jun - 10 Jul	Cathay Pacific
02 Jun - 24 Jul	Cathay Pacific
10 Jun - 30 Jul	Cathay Pacific
02 Jun - 17 Jul	Cathay Pacific
03 Jun - 23 Jul	Finnair
15 Jun - 23 Jun	Delta	direct
04 Jun - 15 Jun	Delta	direct
03 Jun - 23 Jul	Delta	direct
10 Jun - 30 Jul	Delta	direct
10 Jun - 14 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Chicago to Seoul in June from 1031€

Return flights