Cheapest return flights from Chicago to Seoul in May from $767

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

Return flights

11 May - 20 May Cathay Pacific
26 May - 03 Jun Air Canada
13 May - 15 May Air Canada
30 May - 13 Jun WestJet
11 May - 20 May Delta direct
26 May - 03 Jun Delta direct
13 May - 15 May Delta direct
30 May - 13 Jun Delta direct

Also check the deals for one-way 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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