Cheapest one-way flights from Chicago to Seoul in May from 471€

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

One-Way flights

01 May Frontier Airlines
13 May Frontier Airlines
29 May Porter Airlines (Canada) Ltd
09 May Southwest Airlines
17 May Frontier Airlines
23 May Porter Airlines (Canada) Ltd
18 May Frontier Airlines
28 May Porter Airlines (Canada) Ltd
16 May Southwest Airlines
22 May Southwest Airlines

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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