Cheapest one-way flights from Chicago to Seoul in March from 379€

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

One-Way flights

09 Mar Frontier Airlines
06 Mar Frontier Airlines
18 Mar Porter Airlines (Canada) Ltd
24 Mar Frontier Airlines
04 Mar Frontier Airlines
02 Mar Southwest Airlines
21 Mar Southwest Airlines
22 Mar Southwest Airlines
08 Mar Delta
07 Mar Delta

Also check the deals for return 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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