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

Return flights

06 Oct - 16 Oct	Lufthansa
15 Oct - 21 Oct	Lufthansa
07 Oct - 14 Oct	Lufthansa
06 Oct - 15 Oct	Lufthansa
22 Oct - 31 Oct	Lufthansa
08 Oct - 23 Oct	Lufthansa
12 Oct - 21 Oct	Lufthansa
15 Oct - 22 Oct	Lufthansa
06 Oct - 17 Oct	Lufthansa
01 Oct - 15 Oct	Lufthansa
19 Oct - 07 Nov	Lufthansa	direct
20 Oct - 11 Nov	Lufthansa
22 Oct - 12 Nov	Air France
29 Oct - 06 Nov	Air France
29 Oct - 11 Nov	Air France
29 Oct - 07 Nov	Delta
20 Oct - 11 Nov	British Airways	direct
22 Oct - 12 Nov	British Airways	direct
16 Oct - 06 Nov	Virgin Atlantic
19 Oct - 08 Nov	Lufthansa	direct

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

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 October from 400€

Return flights