Cheapest return flights from Houston to London in September from $642

AirHint found the following cheapest return flights from Houston (HOU) to London (LHR) in September 2026 (see full year).

Return flights

08 Sep - 15 Sep Delta
06 Sep - 17 Sep Delta
27 Sep - 14 Oct Air Canada
08 Sep - 15 Sep British Airways direct
07 Sep - 17 Sep American Airlines direct
06 Sep - 17 Sep American Airlines direct
07 Sep - 18 Sep American Airlines direct
27 Sep - 14 Oct American Airlines direct
13 Sep - 18 Sep Delta
01 Sep - 12 Sep Air France
13 Sep - 18 Sep American Airlines direct
07 Sep - 20 Sep American Airlines direct
25 Sep - 10 Oct Air Canada
25 Sep - 10 Oct Iberia direct

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

Powered by

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.