Cheapest return flights from Houston to London in March from $626

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

Return flights

10 Mar - 18 Mar Lufthansa
22 Mar - 30 Mar Virgin Atlantic
10 Mar - 17 Mar Virgin Atlantic
01 Mar - 10 Mar KLM
04 Mar - 11 Mar Delta
25 Mar - 30 Mar Virgin Atlantic
04 Mar - 10 Mar Air France
04 Mar - 18 Mar Delta
01 Mar - 11 Mar Delta
03 Mar - 12 Mar Air Canada
31 Mar - 10 Apr KLM
24 Mar - 08 Apr Air Canada
30 Mar - 20 Apr Virgin Atlantic
30 Mar - 09 Apr KLM
25 Mar - 01 Apr Delta
25 Mar - 03 Apr Air France
31 Mar - 10 Apr British Airways direct
30 Mar - 09 Apr British Airways direct
25 Mar - 03 Apr United direct
25 Mar - 01 Apr United direct

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

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