Cheapest return flights from Houston to London in December from $909

Best time to book flights for Houston (IAH) to London (LGW) flights at AirHint

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

Return flights

05 Dec - 08 Dec Turkish Airlines
08 Dec - 15 Dec Turkish Airlines
19 Dec - 24 Dec WestJet
10 Dec - 21 Dec Turkish Airlines
19 Dec - 28 Dec WestJet
29 Dec - 07 Jan Turkish Airlines
29 Dec - 12 Jan Turkish Airlines
26 Dec - 05 Jan Air Canada
20 Dec - 27 Dec Air Canada
23 Dec - 08 Jan Turkish Airlines
19 Dec - 26 Dec Turkish Airlines
22 Dec - 04 Jan Turkish Airlines
21 Dec - 04 Jan Turkish Airlines
20 Dec - 03 Jan Turkish Airlines

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

Skyscanner

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