Cheapest return flights from Houston to London in April from $615

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

Return flights

22 Apr - 05 May British Airways direct
14 Apr - 21 Apr Air France
01 Apr - 08 Apr KLM
21 Apr - 04 May Delta
08 Apr - 15 Apr British Airways direct
28 Apr - 05 May British Airways direct
15 Apr - 09 May British Airways direct
08 Apr - 19 Apr Iberia direct
01 Apr - 08 Apr British Airways direct
02 Apr - 17 Apr Iberia direct
12 Apr - 02 May Iberia
24 Apr - 03 May Air Canada
03 Apr - 18 Apr British Airways direct
24 Apr - 03 May British Airways direct
03 Apr - 10 Apr British Airways direct
13 Apr - 20 Apr British Airways direct
23 Apr - 30 Apr British Airways direct
21 Apr - 04 May American Airlines direct

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

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