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

Return flights

14 Apr - 28 Apr	Delta
14 Apr - 28 Apr	British Airways	direct
02 Apr - 09 Apr	British Airways	direct
15 Apr - 19 Apr	British Airways	direct
15 Apr - 20 Apr	British Airways	direct
11 Apr - 25 Apr	Delta
01 Apr - 31 May	Delta
01 Apr - 31 May	British Airways	direct
11 Apr - 25 Apr	British Airways	direct

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

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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Cheapest return flights from Houston to London in April from 560€

Return flights