AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to London (LHR) in September 2026 (see full year).
Return flights
| 16 Sep - 21 Sep | Finnair | ||
| 17 Sep - 02 Oct | British Airways | ||
| 16 Sep - 21 Sep | British Airways | direct | |
| 17 Sep - 02 Oct | Finnair | direct | |
| 12 Sep - 26 Sep | Air Canada |
Also check the deals for one-way flights from Dallas-Fort Worth to London in September.
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