AirHint found the following cheapest return flights from Birmingham (BHM) to London (LHR) in December 2025 (see full year).
Return flights
| 07 Dec - 14 Dec | Delta | ||
| 14 Dec - 22 Dec | Delta | ||
| 03 Dec - 27 Dec | British Airways | ||
| 15 Dec - 06 Jan | United | ||
| 11 Dec - 05 Jan | Delta | ||
| 11 Dec - 04 Jan | United |
Also check the deals for one-way flights from Birmingham to London in December.
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