Cheapest one-way flights from Houston to London in May from 251€

AirHint found the following cheapest one-way flights from Houston (IAH) to London (LHR) in May 2026 (see full year).

One-Way flights

09 May Spirit Airlines
02 May Spirit Airlines
06 May Frontier Airlines
04 May Frontier Airlines
13 May Spirit Airlines
12 May Spirit Airlines
11 May Air Canada
07 May Spirit Airlines
10 May Iberia
20 May Spirit Airlines

Also check the deals for return flights from Houston to London in May.

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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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