Cheapest return flights from Houston to London in March from $542

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

Return flights

09 Mar - 18 Mar Spirit Airlines
27 Mar - 19 Apr Spirit Airlines
31 Mar - 10 Apr Frontier Airlines
04 Mar - 08 Mar Spirit Airlines
28 Mar - 02 Apr Frontier Airlines
27 Mar - 02 Apr Spirit Airlines
28 Mar - 08 Apr Spirit Airlines
20 Mar - 30 Mar Spirit Airlines
06 Mar - 16 Mar Frontier Airlines
14 Mar - 20 Mar Spirit Airlines
27 Mar - 01 Apr Spirit Airlines
01 Mar - 10 Mar Frontier Airlines
22 Mar - 30 Mar Frontier Airlines
19 Mar - 25 Mar Frontier Airlines
07 Mar - 10 Mar Spirit Airlines
14 Mar - 22 Mar Spirit Airlines
31 Mar - 04 Apr Spirit Airlines
29 Mar - 05 Apr Turkish Airlines

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

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