Cheapest one-way flights from Houston to London in December from $246

AirHint found the following cheapest one-way flights from Houston (IAH) to London (LHR) in December 2025 (see full year).

One-Way flights

03 Dec Spirit Airlines
01 Dec Frontier Airlines
11 Dec Frontier Airlines
04 Dec WestJet
12 Dec Spirit Airlines
13 Dec Frontier Airlines
03 Dec British Airways direct
10 Dec British Airways direct
15 Dec Spirit Airlines
11 Dec British Airways direct

Also check the deals for return 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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