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

Return flights

05 May - 12 May	Turkish Airlines
01 May - 08 May	Turkish Airlines
10 May - 30 May	Turkish Airlines
21 May - 25 May	jetBlue
27 May - 08 Jun	jetBlue
12 May - 06 Jun	Turkish Airlines
25 May - 10 Jun	jetBlue
18 May - 13 Jun	Iberia
23 May - 01 Jun	jetBlue
17 May - 06 Jun	WestJet
22 May - 01 Jun	jetBlue
22 May - 04 Jun	jetBlue
22 May - 31 May	jetBlue
16 May - 06 Jun	WestJet
25 May - 20 Jun	WestJet
23 May - 30 May	Alaska Airlines

Also check the deals for one-way 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 return flights from Houston to London in May from $774

Return flights