Cheapest return flights from Chicago to Seoul in May from 866€

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

Return flights

03 May - 12 May Frontier Airlines
11 May - 20 May Alaska Airlines
05 May - 16 May Frontier Airlines
11 May - 21 May Spirit Airlines
09 May - 22 May Frontier Airlines
27 May - 09 Jun WestJet
10 May - 20 May Frontier Airlines
05 May - 19 May Spirit Airlines
11 May - 23 May Spirit Airlines
16 May - 05 Jun Spirit Airlines
16 May - 27 May Spirit Airlines
27 May - 02 Jun WestJet
13 May - 27 May Frontier Airlines
15 May - 09 Jun WestJet
27 May - 17 Jun WestJet
22 May - 07 Jun Sun Country Airlines
28 May - 02 Jun WestJet
31 May - 06 Jun WestJet
19 May - 03 Jun Frontier Airlines
24 May - 02 Jun Frontier Airlines

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.