Cheapest return DFW–LHR flights, September

AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to London (LHR) in September 2026 (see full year).

Return flights

15 Sep - 30 Sep Turkish Airlines
06 Sep - 30 Sep Turkish Airlines
24 Sep - 28 Sep Turkish Airlines
23 Sep - 28 Sep Turkish Airlines
16 Sep - 21 Sep Turkish Airlines
18 Sep - 30 Sep Turkish Airlines
30 Sep - 06 Oct Turkish Airlines
09 Sep - 24 Sep American Airlines
20 Sep - 23 Sep Finnair
08 Sep - 18 Sep Air France
01 Sep - 08 Sep British Airways direct
30 Sep - 06 Oct British Airways direct
30 Sep - 05 Oct British Airways direct
25 Sep - 03 Oct Delta

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

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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.

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