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 - 21 Dec	Air Canada
12 Dec - 27 Dec	Air Canada
06 Dec - 21 Dec	American Airlines	direct
12 Dec - 27 Dec	Delta	direct
16 Dec - 14 Jan	Alaska Airlines
16 Dec - 16 Jan	Alaska Airlines
15 Dec - 12 Jan	Alaska Airlines
16 Dec - 09 Jan	Alaska Airlines
16 Dec - 21 Dec	Alaska Airlines
15 Dec - 21 Dec	Alaska Airlines

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 $1028

Return flights