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

Return flights

30 Jul - 08 Aug	Virgin Atlantic
23 Jul - 15 Aug	Delta
30 Jul - 06 Aug	United
28 Jul - 08 Aug	British Airways
21 Jul - 31 Jul	Virgin Atlantic
24 Jul - 29 Jul	Virgin Atlantic
15 Jul - 22 Jul	United
21 Jul - 24 Jul	Spirit Airlines
26 Jul - 09 Aug	Iberia
25 Jul - 28 Jul	Lufthansa
31 Jul - 04 Aug	KLM
28 Jul - 03 Aug	Delta
21 Jul - 25 Jul	Spirit Airlines
17 Jul - 22 Jul	United	direct
26 Jul - 30 Jul	Spirit Airlines
17 Jul - 24 Jul	United
25 Jul - 29 Jul	United
24 Jul - 17 Aug	United	direct
25 Jul - 04 Aug	British Airways
25 Jul - 03 Aug	Delta

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

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 July from 568€

Return flights