Cheapest return flights from Chicago to Seoul in December from 796€

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

Return flights

06 Dec - 14 Dec Spirit Airlines
05 Dec - 14 Dec Alaska Airlines
31 Dec - 28 Jan Cathay Pacific
06 Dec - 15 Jan Spirit Airlines
02 Dec - 09 Dec Cathay Pacific
30 Dec - 28 Jan Cathay Pacific
01 Dec - 08 Dec Cathay Pacific
06 Dec - 25 Dec Frontier Airlines
07 Dec - 18 Dec Frontier Airlines
01 Dec - 07 Dec ANA
08 Dec - 23 Dec Frontier Airlines
23 Dec - 18 Jan Frontier Airlines
08 Dec - 25 Dec Frontier Airlines
08 Dec - 24 Dec Frontier Airlines
22 Dec - 20 Jan Spirit Airlines
26 Dec - 18 Jan Frontier Airlines
14 Dec - 15 Jan Frontier Airlines
22 Dec - 09 Jan Frontier Airlines
03 Dec - 14 Jan Air Canada
22 Dec - 19 Jan Spirit Airlines

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

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.