AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Seoul (ICN) in December 2025 (see full year).

Return flights

06 Dec - 20 Dec	United
01 Dec - 12 Dec	United
08 Dec - 19 Dec	United
29 Dec - 29 Jan	United
22 Dec - 18 Jan	Air Canada
22 Dec - 08 Jan	Air Canada
10 Dec - 06 Jan	Turkish Airlines
14 Dec - 20 Dec	Air Canada
28 Dec - 17 Jan	United
10 Dec - 07 Jan	Finnair
11 Dec - 01 Jan	Air Canada
29 Dec - 29 Jan	Delta	direct
17 Dec - 31 Dec	Finnair
22 Dec - 10 Jan	Delta
21 Dec - 01 Jan	Finnair
20 Dec - 31 Dec	Finnair
20 Dec - 27 Dec	Turkish Airlines
06 Dec - 20 Dec	Korean Air	direct
01 Dec - 12 Dec	Korean Air	direct
17 Dec - 31 Dec	Delta	direct

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

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 December from 734€

Return flights