Cheapest one-way flights from Chicago to Seoul in May from $489

Best time to book flights for Chicago (ORD) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest one-way flights from Chicago (ORD) to Seoul (ICN) in May 2025 (see full year).

One-Way flights

20 May WestJet
13 May WestJet
12 May Frontier Airlines
05 May Frontier Airlines
11 May Frontier Airlines
24 May Air Canada
22 May Frontier Airlines
03 May Air Canada
18 May Air Canada
09 May Air Canada

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

Skyscanner

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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