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
13 May - 22 May	Turkish Airlines
05 May - 11 May	Turkish Airlines
09 May - 21 May	Turkish Airlines
25 May - 09 Jun	WestJet
06 May - 19 May	WestJet
27 May - 07 Jun	WestJet
23 May - 13 Jun	WestJet
24 May - 31 May	WestJet
24 May - 07 Jun	WestJet
20 May - 07 Jun	WestJet
15 May - 30 May	WestJet
21 May - 31 May	jetBlue

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 648€

Return flights