Cheapest return flights from Houston to London in May from 635€

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

Return flights

01 May - 09 May Spirit Airlines
03 May - 08 May Frontier Airlines
14 May - 02 Jun Frontier Airlines
14 May - 03 Jun Frontier Airlines
04 May - 13 May Frontier Airlines
20 May - 28 May Spirit Airlines
28 May - 11 Jun Frontier Airlines
27 May - 08 Jun Frontier Airlines
27 May - 16 Jun Frontier Airlines
27 May - 04 Jun Frontier Airlines
25 May - 01 Jun Spirit Airlines
21 May - 28 May Frontier Airlines
13 May - 02 Jun ITA Airways
14 May - 26 May Frontier Airlines
13 May - 28 May ITA Airways
23 May - 04 Jun Frontier Airlines
23 May - 05 Jun Frontier Airlines
14 May - 19 May Frontier Airlines
13 May - 20 May ITA Airways
13 May - 24 May ITA Airways

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

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