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

One-Way flights

11 May	jetBlue
11 May	Iberia	direct
19 May	Air Canada
15 May	Air Canada
30 May	WestJet
28 May	WestJet
15 May	British Airways	direct
28 May	British Airways	direct
29 May	Iberia	direct
30 May	Finnair	direct

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

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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Cheapest one-way flights from Houston to London in May from $356

One-Way flights