Cheapest return flights from Houston to London in August from $645

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

Return flights

18 Aug - 23 Sep Air Canada
18 Aug - 22 Sep Delta
19 Aug - 21 Sep Virgin Atlantic
18 Aug - 21 Sep Virgin Atlantic
26 Aug - 17 Sep Delta
25 Aug - 14 Sep Air Canada
18 Aug - 22 Sep British Airways direct
18 Aug - 23 Sep British Airways direct
26 Aug - 17 Sep American Airlines direct
27 Aug - 18 Sep Air France
21 Aug - 31 Aug Air Canada
07 Aug - 21 Aug British Airways direct
01 Aug - 31 Aug British Airways
02 Aug - 22 Aug United direct
14 Aug - 29 Aug Delta
01 Aug - 31 Aug British Airways direct
14 Aug - 29 Aug Iberia direct
21 Aug - 31 Aug United direct

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

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