AirHint found the following cheapest return flights from Detroit (DTW) to London (LHR) in December 2026 (see full year).
Return flights
| 09 Dec - 17 Dec | Delta | ||
| 23 Dec - 30 Dec | Air Canada | ||
| 28 Dec - 04 Jan | Turkish Airlines | ||
| 23 Dec - 30 Dec | Air France | direct | |
| 21 Dec - 01 Jan | jetBlue | ||
| 19 Dec - 03 Jan | Air Canada | ||
| 18 Dec - 03 Jan | Delta |
Also check the deals for one-way flights from Detroit to London in December.
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