Cheapest one-way flights from Chicago to Seoul in March from 378€

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

One-Way flights

04 Mar Hawaiian Airlines
21 Mar Spirit Airlines
10 Mar Frontier Airlines
12 Mar Frontier Airlines
20 Mar WestJet
02 Mar EVA Air
19 Mar Frontier Airlines
28 Mar Frontier Airlines
03 Mar Alaska Airlines
13 Mar Alaska Airlines

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

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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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