AirHint found the following cheapest return flights from Houston (HOU) to London (LHR) in August 2025 (see full year).

Return flights

18 Aug - 26 Aug	Lufthansa
12 Aug - 10 Sep	Lufthansa
05 Aug - 12 Aug	Lufthansa	direct
04 Aug - 12 Aug	Lufthansa
13 Aug - 18 Aug	Virgin Atlantic
06 Aug - 20 Aug	United
20 Aug - 26 Aug	United
19 Aug - 26 Aug	United
27 Aug - 10 Sep	United
03 Aug - 19 Aug	United
20 Aug - 27 Aug	Air France
18 Aug - 26 Aug	British Airways	direct
12 Aug - 10 Sep	American Airlines	direct
27 Aug - 03 Sep	United
14 Aug - 25 Sep	Lufthansa
21 Aug - 02 Sep	United
30 Aug - 10 Sep	Delta
25 Aug - 01 Sep	British Airways	direct
14 Aug - 25 Sep	British Airways	direct
21 Aug - 05 Sep	Frontier Airlines

Also check the deals for one-way flights from Houston 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 Houston to London in August from 508€

Return flights