AirHint found the following cheapest one-way flights from Dallas (DAL) to London (LHR) in December 2025 (see full year).
One-Way flights
| 08 Dec | Virgin Atlantic | ||
| 31 Dec | Delta | ||
| 06 Dec | Air France | ||
| 30 Dec | Air France | ||
| 04 Dec | Delta | ||
| 14 Dec | Air France | ||
| 23 Dec | Air France | ||
| 15 Dec | Air France | ||
| 17 Dec | Delta | ||
| 19 Dec | KLM |
Also check the deals for return flights from Dallas 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.
Find us on social media