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

Return flights

03 Jun - 09 Jun	Air Canada
03 Jun - 09 Jun	Lufthansa	direct
01 Jun - 10 Jun	Delta
02 Jun - 10 Jun	United	direct
02 Jun - 09 Jun	United	direct
01 Jun - 10 Jun	United	direct
22 Jun - 24 Jun	Air Canada
03 Jun - 20 Jun	United	direct
12 Jun - 20 Jun	Air Canada
30 Jun - 13 Jul	WestJet
01 Jun - 30 Jun	Spirit Airlines
28 Jun - 14 Jul	Virgin Atlantic
24 Jun - 14 Jul	Virgin Atlantic
28 Jun - 14 Jul	United	direct
30 Jun - 29 Jul	United	direct
21 Jun - 30 Jul	United	direct
24 Jun - 14 Jul	British Airways	direct
13 Jun - 09 Jul	United	direct
30 Jun - 13 Jul	United	direct
20 Jun - 02 Jul	United

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Houston to London in June from 770€

Return flights