Cheapest one-way flights from Houston to London in May from $308

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
06 May Spirit Airlines
01 May Frontier Airlines
08 May Frontier Airlines
03 May Frontier Airlines
12 May Aer Lingus
14 May Spirit Airlines
16 May Frontier Airlines
15 May Frontier Airlines
12 May British Airways direct

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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