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

Return flights

08 Dec - 13 Jan	Spirit Airlines
03 Dec - 10 Dec	Spirit Airlines
13 Dec - 09 Jan	Spirit Airlines
17 Dec - 29 Dec	Spirit Airlines
22 Dec - 12 Jan	Spirit Airlines
24 Dec - 05 Jan	Spirit Airlines
22 Dec - 05 Jan	Frontier Airlines
28 Dec - 04 Jan	Spirit Airlines
22 Dec - 30 Dec	Spirit Airlines
16 Dec - 18 Jan	Iberia
25 Dec - 01 Jan	Spirit Airlines
21 Dec - 27 Dec	Spirit Airlines
17 Dec - 22 Dec	Spirit Airlines
23 Dec - 30 Dec	Iberia
23 Dec - 03 Jan	Iberia
19 Dec - 03 Jan	Turkish Airlines

Also check the deals for one-way flights from Dallas-Fort Worth to London 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 London in December from 450€

Return flights