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

Return flights

23 Aug - 13 Sep	Spirit Airlines
22 Aug - 13 Sep	Spirit Airlines
31 Aug - 13 Sep	Frontier Airlines
27 Aug - 10 Sep	Spirit Airlines
31 Aug - 07 Sep	Frontier Airlines
31 Aug - 20 Sep	Frontier Airlines
31 Aug - 02 Sep	Frontier Airlines
24 Aug - 31 Aug	Frontier Airlines
22 Aug - 27 Aug	jetBlue
30 Aug - 20 Sep	Spirit Airlines
25 Aug - 20 Sep	Spirit Airlines
28 Aug - 02 Sep	Frontier Airlines
23 Aug - 31 Aug	Spirit Airlines
21 Aug - 28 Aug	Spirit Airlines
22 Aug - 25 Aug	Spirit Airlines
21 Aug - 26 Aug	Frontier Airlines
21 Aug - 31 Aug	jetBlue

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

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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Cheapest return flights from Dallas-Fort Worth to London in August from $688

Return flights