AirHint found the following cheapest one-way flights from Raleigh-durham (RDU) to London (LGW) in December 2025 (see full year).

One-Way flights

15 Dec	Frontier Airlines
05 Dec	Spirit Airlines
12 Dec	Frontier Airlines
13 Dec	Frontier Airlines
14 Dec	Frontier Airlines
16 Dec	jetBlue
29 Dec	jetBlue
24 Dec	jetBlue
26 Dec	Frontier Airlines
17 Dec	Spirit Airlines

Also check the deals for return flights from Raleigh-durham 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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest one-way flights from Raleigh-durham to London in December from $235

One-Way flights