Cheapest return flights from Chicago to Seoul in May from 861€

Best time to book flights for Chicago (ORD) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Seoul (ICN) in May 2025 (see full year).

Return flights

07 May - 21 May Turkish Airlines
06 May - 22 May Turkish Airlines
07 May - 26 May Turkish Airlines
05 May - 19 May Turkish Airlines
02 May - 23 May Turkish Airlines
01 May - 31 May Turkish Airlines
10 May - 31 May Turkish Airlines
14 May - 28 May Turkish Airlines
18 May - 29 May Finnair
24 May - 04 Jun Finnair
26 May - 23 Jun Finnair
12 May - 05 Jun Air Canada
30 May - 11 Jun Air Canada
28 May - 12 Jun KLM
14 May - 28 May Korean Air direct
21 May - 21 Jun Air France
28 May - 12 Jun Delta direct
26 May - 23 Jun Delta direct
24 May - 04 Jun Korean Air direct
21 May - 21 Jun Delta direct

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

Skyscanner

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