Cheapest one-way flights from Houston to London in December from $433

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

One-Way flights

25 Dec jetBlue
30 Dec Aer Lingus
29 Dec Aer Lingus
28 Dec Austrian Airlines
30 Dec Austrian Airlines direct
29 Dec Austrian Airlines direct
27 Dec Lufthansa
26 Dec jetBlue
27 Dec Aer Lingus direct
28 Dec Austrian Airlines 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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