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

Return flights

09 Dec - 16 Dec	Lufthansa
08 Dec - 24 Dec	Virgin Atlantic
08 Dec - 24 Dec	British Airways	direct
31 Dec - 09 Jan	United
12 Dec - 19 Jan	KLM
10 Dec - 14 Dec	Brussels Airlines
14 Dec - 12 Jan	Finnair
04 Dec - 09 Dec	Spirit Airlines
12 Dec - 17 Dec	Virgin Atlantic
16 Dec - 09 Jan	Brussels Airlines
10 Dec - 27 Dec	Lufthansa
12 Dec - 08 Jan	Iberia
12 Dec - 19 Jan	Iberia	direct
15 Dec - 22 Dec	Lufthansa
05 Dec - 12 Dec	Spirit Airlines
14 Dec - 12 Jan	British Airways	direct
23 Dec - 08 Jan	Iberia
14 Dec - 08 Jan	Lufthansa
03 Dec - 13 Dec	Spirit Airlines
16 Dec - 07 Jan	Brussels 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 540€

Return flights