AirHint found the following cheapest one-way flights from Dallas (DAL) to London (LHR) in May 2026 (see full year).
One-Way flights
| 04 May | Virgin Atlantic | ||
| 18 May | Air France | ||
| 14 May | Virgin Atlantic | ||
| 30 May | WestJet | ||
| 23 May | WestJet | ||
| 26 May | Air France |
Also check the deals for return flights from Dallas to London in May.
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