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

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

Return flights

08 Apr - 15 Apr Air Canada
08 Apr - 15 Apr British Airways direct
16 Apr - 20 Apr Spirit Airlines
21 Apr - 04 May Delta
10 Apr - 14 Apr Spirit Airlines
12 Apr - 19 Apr Air Canada
05 Apr - 19 Apr Air Canada
05 Apr - 12 Apr Spirit Airlines
05 Apr - 12 Apr British Airways direct
05 Apr - 19 Apr British Airways direct
04 Apr - 09 Apr Austrian Airlines
30 Apr - 30 May Air France
30 Apr - 30 May Austrian Airlines direct
21 Apr - 04 May Finnair direct

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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