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

Return flights

15 Jul - 29 Jul	Spirit Airlines
15 Jul - 05 Aug	Spirit Airlines
29 Jul - 09 Aug	Spirit Airlines
22 Jul - 27 Jul	Spirit Airlines
15 Jul - 26 Jul	Spirit Airlines
16 Jul - 27 Jul	Air France
22 Jul - 12 Aug	ITA Airways
21 Jul - 04 Aug	KLM
12 Jul - 20 Jul	Spirit Airlines
07 Jul - 14 Jul	Turkish Airlines
03 Jul - 12 Jul	Turkish Airlines
11 Jul - 18 Jul	Turkish Airlines
04 Jul - 07 Aug	ITA Airways
07 Jul - 12 Jul	Turkish Airlines
02 Jul - 08 Jul	Turkish Airlines
23 Jul - 01 Aug	Air France

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 637€

Return flights