Cheapest return flights from Houston to London in December from $754

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

04 Dec - 09 Dec Turkish Airlines
09 Dec - 30 Dec Air Canada
05 Dec - 29 Dec Turkish Airlines
08 Dec - 22 Dec Turkish Airlines
27 Dec - 31 Dec Air Canada
16 Dec - 29 Dec Air Canada
17 Dec - 01 Jan Iberia
17 Dec - 02 Jan Iberia
16 Dec - 30 Dec TAP
19 Dec - 03 Jan Air Canada
22 Dec - 05 Jan Iberia
15 Dec - 29 Dec Turkish Airlines
19 Dec - 06 Jan Turkish Airlines
25 Dec - 08 Jan TAP
11 Dec - 25 Dec TAP

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

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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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