Cheapest one-way flights from Chicago to Seoul in March from 450€

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

One-Way flights

15 Mar Etihad Airways
16 Mar WestJet
01 Mar Frontier Airlines
28 Mar Etihad Airways
22 Mar Air India
16 Mar Delta direct
22 Mar Korean Air direct
01 Mar Delta direct
15 Mar Delta direct
28 Mar Korean Air direct

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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