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

Return flights

01 Dec - 04 Dec	Icelandair
05 Dec - 07 Dec	Icelandair
03 Dec - 10 Dec	Icelandair
15 Dec - 10 Jan	Frontier Airlines
08 Dec - 12 Dec	Icelandair
06 Dec - 10 Dec	Icelandair
01 Dec - 08 Dec	Air Canada
07 Dec - 16 Dec	Icelandair
14 Dec - 17 Jan	Icelandair
05 Dec - 17 Dec	jetBlue
03 Dec - 27 Dec	Icelandair
06 Dec - 13 Dec	Icelandair
12 Dec - 11 Jan	Air Canada
09 Dec - 13 Jan	Air Canada
16 Dec - 10 Jan	Air Canada
30 Dec - 15 Jan	Air Canada
19 Dec - 10 Jan	Frontier Airlines
21 Dec - 10 Jan	Icelandair
16 Dec - 05 Jan	Frontier Airlines
22 Dec - 10 Jan	Icelandair

Also check the deals for one-way 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.

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Cheapest return flights from Raleigh-durham to London in December from $486

Return flights