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

Return flights

14 Jan - 28 Jan	Cathay Pacific
13 Jan - 20 Jan	Cathay Pacific
14 Jan - 21 Jan	Cathay Pacific
10 Jan - 25 Jan	Frontier Airlines
19 Jan - 30 Jan	Frontier Airlines
09 Jan - 24 Jan	Frontier Airlines
09 Jan - 23 Jan	Frontier Airlines
11 Jan - 20 Jan	Cathay Pacific
09 Jan - 18 Jan	Frontier Airlines
08 Jan - 15 Jan	Frontier Airlines
28 Jan - 04 Feb	Korean Air	direct
29 Jan - 05 Feb	Korean Air	direct
30 Jan - 06 Feb	Korean Air	direct
31 Jan - 07 Feb	Korean Air	direct
26 Jan - 02 Feb	Korean Air	direct
27 Jan - 03 Feb	Korean Air	direct

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 670€

Return flights