Cheapest one-way flights from Chicago to Seoul in May from $520

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

13 May Spirit Airlines
11 May Spirit Airlines
08 May Spirit Airlines
27 May WestJet
09 May Frontier Airlines
24 May Frontier Airlines
17 May Spirit Airlines
03 May Turkish Airlines
22 May Frontier Airlines
25 May Spirit Airlines

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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