Cheapest one-way ORD–ICN flights, May

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

One-Way flights

11 May Frontier Airlines
09 May Frontier Airlines
02 May Spirit Airlines
01 May Frontier Airlines
15 May Frontier Airlines
29 May WestJet
14 May Spirit Airlines
19 May Frontier Airlines
28 May Sun Country Airlines
27 May WestJet

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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