Cheapest return flights from Houston to London in March from $669

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

Return flights

26 Mar - 03 Apr Air Canada
11 Mar - 22 Mar Air Canada
11 Mar - 22 Mar British Airways direct
26 Mar - 03 Apr United direct

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

Skyscanner

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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