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

Return flights

01 Dec - 15 Dec	United
03 Dec - 10 Dec	United
04 Dec - 08 Dec	United
15 Dec - 22 Dec	United
12 Dec - 22 Jan	Air Canada
08 Dec - 30 Dec	Air Canada
23 Dec - 30 Dec	Air Canada
23 Dec - 29 Dec	Air Canada
09 Dec - 06 Jan	United
30 Dec - 09 Jan	United
22 Dec - 08 Jan	Air Canada
28 Dec - 17 Jan	Delta	direct
30 Dec - 09 Jan	Delta	direct
18 Dec - 08 Jan	Delta	direct
22 Dec - 08 Jan	Korean Air	direct
23 Dec - 02 Jan	Finnair
01 Dec - 15 Dec	Delta	direct
03 Dec - 10 Dec	Delta	direct
09 Dec - 02 Jan	Delta
23 Dec - 30 Dec	Korean Air	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 727€

Return flights