Cheapest return flights from Chicago to Seoul in April from 864€

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

Return flights

22 Apr - 05 May Frontier Airlines
22 Apr - 06 May Frontier Airlines
14 Apr - 16 May Hawaiian Airlines
08 Apr - 21 Apr Frontier Airlines
08 Apr - 22 Apr Frontier Airlines
23 Apr - 10 May Frontier Airlines
14 Apr - 05 May Hawaiian Airlines
16 Apr - 23 Apr Alaska Airlines
26 Apr - 16 May Frontier Airlines
22 Apr - 03 May Frontier Airlines
19 Apr - 03 May Frontier Airlines
06 Apr - 23 Apr Frontier Airlines
18 Apr - 02 May Frontier Airlines
13 Apr - 05 May Frontier Airlines
09 Apr - 24 Apr Spirit Airlines
15 Apr - 29 Apr Frontier Airlines
08 Apr - 29 Apr Frontier Airlines
18 Apr - 23 Apr Alaska Airlines
20 Apr - 23 Apr Spirit Airlines
18 Apr - 25 Apr Frontier Airlines

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

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.