Cheapest return flights from Chicago to Seoul in December from 675€

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

Return flights

01 Dec - 08 Dec Cathay Pacific
04 Dec - 11 Dec Cathay Pacific
12 Dec - 09 Jan Air Canada
12 Dec - 08 Jan Air Canada
11 Dec - 01 Jan Turkish Airlines
13 Dec - 31 Dec Turkish Airlines
13 Dec - 01 Jan Turkish Airlines
17 Dec - 07 Jan Air Canada
21 Dec - 18 Jan Air Canada
22 Dec - 09 Jan Air Canada
18 Dec - 15 Jan Air Canada
12 Dec - 31 Dec LOT
12 Dec - 01 Jan Turkish Airlines
24 Dec - 31 Dec Air France
01 Dec - 08 Dec Delta direct
19 Dec - 18 Jan Air Canada
19 Dec - 30 Dec LOT
12 Dec - 31 Dec Delta direct
19 Dec - 30 Dec Korean Air direct

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

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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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