AirHint found the following cheapest return flights from Riyadh (RUH) to London (LHR) in December 2025 (see full year).

Return flights

11 Dec - 18 Dec	AZAL
01 Dec - 11 Dec	AZAL
01 Dec - 08 Dec	AZAL
12 Dec - 31 Dec	Aegean Airlines
05 Dec - 10 Dec	Aegean Airlines
18 Dec - 31 Dec	AZAL
04 Dec - 08 Dec	AZAL
01 Dec - 05 Dec	AJet
18 Dec - 09 Jan	AZAL
03 Dec - 08 Dec	Aegean Airlines
12 Dec - 15 Dec	Aegean Airlines
31 Dec - 07 Jan	Aegean Airlines
17 Dec - 03 Jan	Aegean Airlines
13 Dec - 03 Jan	Aegean Airlines
12 Dec - 02 Jan	Aegean Airlines
22 Dec - 05 Jan	Aegean Airlines
31 Dec - 03 Jan	Aegean Airlines
22 Dec - 03 Jan	Aegean Airlines
13 Dec - 02 Jan	Aegean Airlines
15 Dec - 02 Jan	Aegean Airlines

Also check the deals for one-way flights from Riyadh 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 Riyadh to London in December from 317€

Return flights