Cheapest return flights from Houston to London in September from $752

Best time to book flights for Houston (IAH) to London (LGW) flights at AirHint

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

Return flights

24 Sep - 01 Oct Turkish Airlines
25 Sep - 10 Oct Turkish Airlines
25 Sep - 05 Oct Turkish Airlines
15 Sep - 28 Sep Turkish Airlines
25 Sep - 11 Oct Turkish Airlines
14 Sep - 28 Sep Turkish Airlines
04 Sep - 19 Sep Turkish Airlines
01 Sep - 13 Sep Air Canada

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

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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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