Cheapest return flights from Houston to London in April from $638

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

Return flights

01 Apr - 08 Apr Spirit Airlines
14 Apr - 21 Apr Air France
01 Apr - 09 Apr Spirit Airlines
28 Apr - 12 May Frontier Airlines
20 Apr - 29 Apr Air Canada
29 Apr - 12 May Air France
29 Apr - 13 May KLM
27 Apr - 13 May Delta
22 Apr - 06 May Air France
15 Apr - 06 May Air France
25 Apr - 06 May Air Canada
22 Apr - 07 May Delta
01 Apr - 13 Apr Spirit Airlines
30 Apr - 03 May Air Canada
08 Apr - 13 Apr British Airways
01 Apr - 09 Apr British Airways direct
01 Apr - 07 Apr British Airways direct
01 Apr - 08 Apr British Airways direct
29 Apr - 12 May British Airways direct
14 Apr - 21 Apr British Airways direct

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

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