AirHint found the following cheapest one-way flights from Dallas (DAL) to London (LHR) in December 2025 (see full year).
One-Way flights
| 29 Dec | Air France | ||
| 31 Dec | Air France | ||
| 23 Dec | Air France | ||
| 27 Dec | Air France | ||
| 26 Dec | Delta | ||
| 06 Dec | Air France | ||
| 08 Dec | Scandinavian Airlines | ||
| 12 Dec | Air France | ||
| 07 Dec | Virgin Atlantic | ||
| 15 Dec | Air France |
Also check the deals for return flights from Dallas to London in December.
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