Cheapest return flights from Chicago to Seoul in January from 615€

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

Return flights

15 Jan - 27 Jan Frontier Airlines
10 Jan - 24 Jan Spirit Airlines
17 Jan - 02 Feb Cathay Pacific
29 Jan - 08 Feb Frontier Airlines
25 Jan - 05 Feb Cathay Pacific
28 Jan - 04 Feb Spirit Airlines
28 Jan - 11 Feb Spirit Airlines
12 Jan - 26 Jan Turkish Airlines
12 Jan - 31 Jan Turkish Airlines
20 Jan - 26 Jan Cathay Pacific
11 Jan - 18 Jan Frontier Airlines
01 Jan - 02 Feb Frontier Airlines
01 Jan - 15 Jan Frontier Airlines
01 Jan - 11 Jan Frontier Airlines
02 Jan - 11 Jan Frontier Airlines
08 Jan - 11 Jan Alaska Airlines
30 Jan - 01 Feb Air Canada
28 Jan - 11 Feb Delta direct
28 Jan - 04 Feb Delta direct
17 Jan - 02 Feb Delta direct

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

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