Cheapest return flights from Houston to London in December from $583

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

Return flights

01 Dec - 10 Dec Air Canada
02 Dec - 09 Dec United
10 Dec - 07 Jan Air Canada
01 Dec - 10 Dec American Airlines direct
02 Dec - 09 Dec British Airways direct
10 Dec - 07 Jan American Airlines direct
12 Dec - 19 Dec United
23 Dec - 30 Dec United direct
15 Dec - 10 Jan Air Canada
15 Dec - 10 Jan British Airways direct
16 Dec - 21 Dec United direct
24 Dec - 06 Jan Air Canada
11 Dec - 27 Dec Finnair direct
25 Dec - 11 Jan British Airways direct
21 Dec - 31 Dec Lufthansa
24 Dec - 06 Jan United direct
21 Dec - 30 Dec United direct
29 Dec - 04 Jan United direct
26 Dec - 02 Jan Austrian Airlines
16 Dec - 04 Jan United direct

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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