Cheapest return flights from Dallas-Fort Worth to London in September from $566

Best time to book flights for Dallas-Fort Worth (DFW) to London (LGW) flights at AirHint

AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to London (LGW) in September 2025 (see full year).

Return flights

10 Sep - 16 Sep Spirit Airlines
17 Sep - 24 Sep Spirit Airlines
17 Sep - 26 Sep Spirit Airlines
24 Sep - 28 Sep Spirit Airlines
03 Sep - 14 Sep Spirit Airlines
30 Sep - 07 Oct Spirit Airlines
23 Sep - 09 Oct British Airways
08 Sep - 12 Sep Frontier Airlines
06 Sep - 13 Sep Spirit Airlines
12 Sep - 28 Sep Spirit Airlines
01 Sep - 10 Sep jetBlue
26 Sep - 10 Oct jetBlue
05 Sep - 18 Sep jetBlue

Also check the deals for one-way flights from Dallas-Fort Worth to London in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in London

Cheap car rent in London