Cheapest return flights from Houston to London in September from 451€

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

Return flights

30 Sep - 09 Oct Spirit Airlines
30 Sep - 07 Oct Spirit Airlines
28 Sep - 14 Oct Spirit Airlines
29 Sep - 03 Oct Spirit Airlines
24 Sep - 30 Sep SWISS
25 Sep - 29 Sep Spirit Airlines
20 Sep - 27 Sep Spirit Airlines
22 Sep - 29 Sep Spirit Airlines
24 Sep - 28 Sep Spirit Airlines
23 Sep - 30 Sep jetBlue
22 Sep - 27 Sep Spirit Airlines
21 Sep - 27 Sep Spirit Airlines
28 Sep - 05 Oct Spirit Airlines
25 Sep - 04 Oct Frontier Airlines
25 Sep - 10 Oct Spirit Airlines
25 Sep - 02 Oct Spirit Airlines
26 Sep - 04 Oct Spirit Airlines
19 Sep - 22 Sep Frontier Airlines
20 Sep - 05 Oct Spirit 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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