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

Return flights

03 Jun - 14 Jun	WestJet
02 Jun - 09 Jun	WestJet
01 Jun - 30 Jun	WestJet
17 Jun - 24 Jun	WestJet
10 Jun - 15 Jul	WestJet
16 Jun - 07 Jul	WestJet
19 Jun - 28 Jun	WestJet
08 Jun - 22 Jul	WestJet
04 Jun - 25 Jul	WestJet
13 Jun - 20 Jun	WestJet
12 Jun - 19 Jun	Air Canada
13 Jun - 14 Jun	WestJet

Also check the deals for one-way flights from Houston to London in June.

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 June from 786€

Return flights