Cheapest return flights from Houston to London in March from $551

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

Return flights

04 Mar - 10 Mar Iberia
04 Mar - 18 Mar Iberia
03 Mar - 12 Mar British Airways
30 Mar - 09 Apr British Airways direct
04 Mar - 11 Mar British Airways
11 Mar - 16 Mar Virgin Atlantic
24 Mar - 30 Mar Air Canada
24 Mar - 31 Mar British Airways direct
11 Mar - 16 Mar Iberia direct
18 Mar - 11 Apr British Airways direct
15 Mar - 04 Apr British Airways
11 Mar - 04 Apr Iberia
02 Mar - 28 Mar Iberia
03 Mar - 28 Mar Iberia
26 Mar - 29 Apr Air France
26 Mar - 01 Apr Air France
25 Mar - 05 Apr Air France
26 Mar - 08 Apr Air Canada
21 Mar - 11 Apr Air Canada
28 Mar - 11 Apr Air Canada

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

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