AirHint found the following cheapest return flights from Houston (HOU) to London (LTN) in January 2026 (see full year).

Return flights

22 Jan - 24 Jan	Air Canada
21 Jan - 27 Jan	Austrian Airlines
26 Jan - 30 Jan	Air Canada
28 Jan - 28 Feb	Air Canada
30 Jan - 08 Feb	Spirit Airlines
23 Jan - 25 Jan	Air Canada
22 Jan - 25 Jan	Lufthansa
20 Jan - 23 Jan	Air Canada
30 Jan - 06 Feb	KLM
18 Jan - 03 Feb	Turkish Airlines
23 Jan - 08 Feb	Austrian Airlines
21 Jan - 25 Jan	Austrian Airlines
15 Jan - 01 Feb	Lufthansa
15 Jan - 24 Jan	Lufthansa
24 Jan - 31 Jan	Turkish Airlines
14 Jan - 25 Jan	Air Canada
30 Jan - 14 Feb	Lufthansa
30 Jan - 02 Feb	Aeromexico

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

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 January from $588

Return flights