Cheapest return flights from Houston to London in September from 427€

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

Return flights

24 Sep - 01 Oct Air France
28 Sep - 14 Oct Delta
24 Sep - 01 Oct United direct
28 Sep - 14 Oct British Airways direct
30 Sep - 09 Oct British Airways direct
26 Sep - 29 Sep Virgin Atlantic
24 Sep - 28 Sep Delta
25 Sep - 29 Sep Virgin Atlantic
29 Sep - 12 Oct British Airways direct
26 Sep - 17 Oct Delta
25 Sep - 10 Oct Delta
30 Sep - 25 Oct Virgin Atlantic
30 Sep - 25 Oct British Airways direct
25 Sep - 29 Sep Lufthansa direct
25 Sep - 28 Sep KLM
23 Sep - 30 Sep Spirit Airlines
24 Sep - 28 Sep United direct
25 Sep - 28 Sep United direct
26 Sep - 29 Sep British Airways direct
24 Sep - 30 Sep Austrian Airlines

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

Skyscanner

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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