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

Return flights

08 Dec - 15 Dec	Austrian Airlines
08 Dec - 16 Dec	Finnair
04 Dec - 11 Dec	Frontier Airlines
13 Dec - 22 Dec	Air Canada
24 Dec - 31 Dec	Iberia
23 Dec - 29 Dec	Frontier Airlines
25 Dec - 03 Jan	Frontier Airlines
18 Dec - 29 Dec	Frontier Airlines
26 Dec - 04 Jan	Spirit Airlines
18 Dec - 28 Dec	Frontier Airlines
22 Dec - 29 Dec	Frontier Airlines
24 Dec - 01 Jan	Spirit Airlines
22 Dec - 30 Dec	Frontier Airlines
23 Dec - 02 Jan	Frontier Airlines
24 Dec - 02 Jan	Frontier Airlines
22 Dec - 01 Jan	Frontier Airlines

Also check the deals for one-way flights from Dallas-Fort Worth to Copenhagen 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 Copenhagen in December from 479€

Return flights