Cheapest one-way flights from Chicago to Seoul in May from 496€

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

One-Way flights

20 May Porter Airlines (Canada) Ltd
15 May Porter Airlines (Canada) Ltd
05 May Frontier Airlines
04 May Frontier Airlines
06 May Southwest Airlines
22 May Porter Airlines (Canada) Ltd
08 May Southwest Airlines
16 May Southwest Airlines
14 May Southwest Airlines
07 May Delta

Also check the deals for return flights from Chicago to Seoul in May.

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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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