AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Seoul (ICN) in January 2026 (see full year).

Return flights

29 Jan - 05 Feb	Frontier Airlines
28 Jan - 02 Feb	Frontier Airlines
08 Jan - 03 Feb	EVA Air
13 Jan - 29 Jan	EVA Air
17 Jan - 02 Feb	Spirit Airlines
07 Jan - 03 Feb	Spirit Airlines
21 Jan - 31 Jan	Frontier Airlines
11 Jan - 05 Feb	Spirit Airlines
10 Jan - 04 Feb	Frontier Airlines
22 Jan - 28 Jan	Frontier Airlines
06 Jan - 03 Feb	Turkish Airlines
13 Jan - 31 Jan	Frontier Airlines
31 Jan - 16 Feb	Frontier Airlines
17 Jan - 19 Jan	EVA Air
11 Jan - 20 Jan	EVA Air
05 Jan - 13 Feb	EVA Air
12 Jan - 19 Jan	EVA Air
11 Jan - 31 Jan	Frontier Airlines
12 Jan - 31 Jan	Frontier Airlines
01 Jan - 21 Jan	EVA Air

Also check the deals for one-way flights from Dallas-Fort Worth to Seoul in January.

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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Cheapest return flights from Dallas-Fort Worth to Seoul in January from $840

Return flights