AirHint found the following cheapest return flights from Windsor Locks (BDL) to London (LGW) in December 2025 (see full year).
Return flights
| 28 Dec - 17 Jan | Breeze Airways | ||
| 23 Dec - 17 Jan | Frontier Airlines | ||
| 02 Dec - 27 Dec | Breeze Airways | ||
| 23 Dec - 26 Dec | Frontier Airlines | ||
| 29 Dec - 05 Jan | Breeze Airways | ||
| 18 Dec - 21 Dec | Breeze Airways |
Also check the deals for one-way flights from Windsor Locks to London in December.
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