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

Return flights

29 Jul - 12 Aug	jetBlue
30 Jul - 06 Aug	jetBlue
29 Jul - 13 Aug	Spirit Airlines
29 Jul - 08 Aug	jetBlue
31 Jul - 07 Aug	Spirit Airlines
28 Jul - 01 Aug	jetBlue
30 Jul - 04 Aug	Frontier Airlines
31 Jul - 04 Aug	Spirit Airlines
30 Jul - 07 Aug	Spirit Airlines
27 Jul - 31 Jul	jetBlue
27 Jul - 02 Aug	Frontier Airlines
27 Jul - 30 Jul	Spirit Airlines

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 686€

Return flights