Cheapest return IAH–LGW flights, July

AirHint found the following cheapest return flights from Houston (IAH) to London (LGW) in July 2026 (see full year).

Return flights

07 Jul - 28 Jul Frontier Airlines
07 Jul - 22 Jul Frontier Airlines
29 Jul - 12 Aug Frontier Airlines
08 Jul - 22 Jul Frontier Airlines
15 Jul - 22 Jul Frontier Airlines
28 Jul - 12 Aug Frontier Airlines
21 Jul - 28 Jul Frontier Airlines
28 Jul - 11 Aug Frontier Airlines
07 Jul - 15 Jul Frontier Airlines
28 Jul - 05 Aug Frontier Airlines
03 Jul - 07 Jul Frontier Airlines
03 Jul - 10 Jul Frontier Airlines
13 Jul - 28 Jul Frontier Airlines
18 Jul - 25 Jul Frontier Airlines
15 Jul - 05 Aug Frontier Airlines
29 Jul - 11 Aug Frontier Airlines
25 Jul - 08 Aug Frontier Airlines
06 Jul - 07 Aug Frontier Airlines
06 Jul - 08 Aug Frontier Airlines
31 Jul - 02 Aug Frontier Airlines

Also check the deals for one-way flights from Houston to London in July.

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