Cheapest one-way flights from Chicago to Seoul in January from $446

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

One-Way flights

04 Jan Frontier Airlines
28 Jan Spirit Airlines
29 Jan Frontier Airlines
27 Jan Spirit Airlines
19 Jan Cathay Pacific
09 Jan Cathay Pacific
30 Jan Cathay Pacific
01 Jan Cathay Pacific
11 Jan Cathay Pacific
07 Jan Turkish Airlines

Also check the deals for return flights from Chicago to Seoul in January.

Powered by

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.