Cheapest return flights from Chicago to Seoul in March from 707€

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

Return flights

02 Mar - 10 Mar Frontier Airlines
09 Mar - 21 Mar Frontier Airlines
28 Mar - 12 Apr Porter Airlines (Canada) Ltd
07 Mar - 21 Mar Frontier Airlines
19 Mar - 07 Apr Delta
05 Mar - 16 Mar Delta
16 Mar - 24 Mar Delta
25 Mar - 15 Apr Delta
15 Mar - 27 Mar Delta
06 Mar - 15 Mar Delta

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

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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.

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