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

Return flights

27 Jul - 05 Aug	Austrian Airlines	direct
08 Jul - 15 Jul	Delta
29 Jul - 09 Aug	Austrian Airlines	direct
09 Jul - 16 Jul	Delta
04 Jul - 28 Jul	Delta
10 Jul - 17 Jul	Delta
12 Jul - 19 Jul	Virgin Atlantic
13 Jul - 20 Jul	Delta
08 Jul - 25 Jul	Delta
25 Jul - 30 Jul	American Airlines
07 Jul - 21 Jul	KLM
25 Jul - 30 Jul	Lufthansa	direct

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 $889

Return flights