Cheapest return flights from Houston to London in December from $490

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

Return flights

10 Dec - 11 Jan Spirit Airlines
02 Dec - 05 Dec Spirit Airlines
04 Dec - 09 Dec Spirit Airlines
03 Dec - 11 Dec Spirit Airlines
15 Dec - 11 Jan Spirit Airlines
03 Dec - 09 Dec Spirit Airlines
06 Dec - 13 Dec Spirit Airlines
07 Dec - 14 Dec Spirit Airlines
01 Dec - 08 Dec Frontier Airlines
25 Dec - 17 Jan Spirit Airlines
15 Dec - 10 Jan Spirit Airlines
04 Dec - 12 Dec Spirit Airlines
12 Dec - 10 Jan Spirit Airlines
02 Dec - 10 Dec Spirit Airlines
07 Dec - 12 Dec Spirit Airlines
28 Dec - 11 Jan Spirit Airlines
25 Dec - 11 Jan Spirit Airlines
10 Dec - 07 Jan Spirit Airlines
16 Dec - 10 Jan Spirit Airlines
14 Dec - 06 Jan Spirit Airlines

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

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