Cheapest one-way flights from Chicago to Seoul in May from $441

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

One-Way flights

06 May Frontier Airlines
04 May Frontier Airlines
05 May Frontier Airlines
01 May Spirit Airlines
12 May Frontier Airlines
11 May Frontier Airlines
30 May WestJet
07 May Alaska Airlines
09 May Frontier Airlines
18 May Spirit 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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