AirHint found the following cheapest return flights from Houston (HOU) to London (LGW) in December 2025 (see full year).

Return flights

03 Dec - 10 Dec	Turkish Airlines
03 Dec - 09 Dec	Turkish Airlines
01 Dec - 06 Dec	Turkish Airlines
09 Dec - 27 Jan	Turkish Airlines
01 Dec - 05 Dec	Turkish Airlines
09 Dec - 07 Jan	Turkish Airlines
20 Dec - 01 Jan	Air Canada
10 Dec - 17 Dec	Turkish Airlines
27 Dec - 06 Jan	Air Canada
20 Dec - 03 Jan	Air Canada
26 Dec - 23 Jan	jetBlue
11 Dec - 20 Dec	Turkish Airlines
10 Dec - 26 Dec	Turkish Airlines
29 Dec - 03 Jan	Turkish Airlines
24 Dec - 31 Dec	Turkish Airlines
25 Dec - 30 Dec	Turkish Airlines
24 Dec - 06 Jan	Turkish Airlines
15 Dec - 15 Jan	Turkish Airlines
15 Dec - 10 Jan	Turkish Airlines

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

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 December from 709€

Return flights