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

Return flights

15 Oct - 22 Oct	Air Canada
07 Oct - 14 Oct	Air Canada
06 Oct - 23 Oct	Air France
06 Oct - 15 Oct	Air France
01 Oct - 08 Oct	Air Canada
21 Oct - 28 Oct	Air France
29 Oct - 13 Nov	Air France
29 Oct - 11 Nov	Air France
06 Oct - 14 Oct	Air Canada
07 Oct - 16 Oct	Air France
15 Oct - 21 Oct	Virgin Atlantic
01 Oct - 15 Oct	Delta
29 Oct - 07 Nov	Delta
21 Oct - 05 Nov	Delta
28 Oct - 12 Nov	Delta
28 Oct - 10 Nov	Air Canada
28 Oct - 04 Nov	British Airways	direct
01 Oct - 01 Nov	Air Canada
23 Oct - 05 Nov	KLM
28 Oct - 02 Nov	Air France

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 $492

Return flights