Cheapest return flights from Chicago to Seoul in March from 862€

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

Return flights

30 Mar - 14 Apr Frontier Airlines
01 Mar - 14 Apr Frontier Airlines
02 Mar - 10 Mar Frontier Airlines
07 Mar - 21 Mar Frontier Airlines
23 Mar - 04 Apr Frontier Airlines
12 Mar - 29 Mar Frontier Airlines
01 Mar - 05 Apr Frontier Airlines
20 Mar - 04 Apr Porter Airlines (Canada) Ltd
20 Mar - 03 Apr Porter Airlines (Canada) Ltd
27 Mar - 14 Apr Frontier Airlines
20 Mar - 30 Mar Porter Airlines (Canada) Ltd
17 Mar - 29 Mar Frontier Airlines
19 Mar - 04 Apr Frontier Airlines
16 Mar - 25 Mar Southwest Airlines
21 Mar - 04 Apr Porter Airlines (Canada) Ltd
18 Mar - 01 Apr Frontier Airlines
09 Mar - 23 Mar Delta
09 Mar - 17 Mar Delta
10 Mar - 18 Mar Delta
08 Mar - 23 Mar Delta

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

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.