Cheapest return flights from Houston to London in May from $640

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

Return flights

06 May - 13 May Air Canada
04 May - 18 May Air Canada
12 May - 22 May British Airways direct
06 May - 13 May British Airways direct
12 May - 18 May Delta
07 May - 11 May Lufthansa
20 May - 27 May Air France
18 May - 15 Jun Air Canada
04 May - 18 May Iberia direct
12 May - 18 May American Airlines direct
20 May - 27 May United direct
18 May - 15 Jun British Airways direct
01 May - 13 Jun Air Canada
21 May - 04 Jun United
21 May - 04 Jun Austrian Airlines direct
23 May - 02 Jun Air Canada
31 May - 12 Jun WestJet
19 May - 30 Jun WestJet
25 May - 08 Jun Austrian Airlines
27 May - 08 Jun Lufthansa

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

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