Cheapest return flights from Chicago to Seoul in May from $1286

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

Return flights

19 May - 25 May Porter Airlines (Canada) Ltd
15 May - 31 May WestJet
12 May - 28 May Korean Air
14 May - 01 Jun Korean Air
07 May - 21 May Delta
04 May - 18 May Delta
11 May - 18 May Delta
07 May - 23 May Delta
18 May - 01 Jun Korean Air
18 May - 27 May Delta
22 May - 15 Jun Delta
30 May - 10 Jun Delta
30 May - 11 Jun Delta
30 May - 09 Jun Delta
15 May - 23 May Korean Air
15 May - 29 May Delta
30 May - 12 Jun Delta
30 May - 13 Jun Delta

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.