Cheapest return flights from Houston to London in April from $550

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

Return flights

17 Apr - 28 Apr Air Canada
18 Apr - 25 Apr Air Canada
08 Apr - 14 Apr Air Canada
08 Apr - 15 Apr Air Canada
01 Apr - 20 Apr Air France
09 Apr - 16 Apr Lufthansa
01 Apr - 15 Apr Lufthansa
07 Apr - 17 Apr Frontier Airlines
15 Apr - 25 Apr Air Canada
17 Apr - 25 Apr Spirit Airlines
23 Apr - 01 May Air Canada

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

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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.

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