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

One-Way flights

01 Dec	WestJet
03 Dec	WestJet
31 Dec	Air Canada
31 Dec	British Airways	direct
03 Dec	American Airlines	direct
01 Dec	British Airways	direct
06 Dec	Turkish Airlines
06 Dec	British Airways	direct
25 Dec	United	direct

Also check the deals for return flights from Houston to London in December.

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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Cheapest one-way flights from Houston to London in December from 253€

One-Way flights