Cheapest return flights from Chicago to Seoul in December from 1745€

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

AirHint found the following cheapest return flights from Chicago (ORD) to Seoul (ICN) in December 2025 (see full year).

Return flights

22 Dec - 29 Dec Air Canada
18 Dec - 08 Jan LOT
19 Dec - 11 Jan Air Canada
22 Dec - 09 Jan Lufthansa
22 Dec - 29 Dec Korean Air direct
19 Dec - 09 Jan Cathay Pacific
18 Dec - 08 Jan Korean Air direct
22 Dec - 09 Jan Korean Air direct
19 Dec - 09 Jan Delta direct
19 Dec - 11 Jan Delta direct

Also check the deals for one-way flights from Chicago to Seoul in December.

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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