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

Return flights

01 Dec - 01 Dec	Aegean Airlines
29 Dec - 05 Jan	Aegean Airlines
05 Dec - 05 Dec	Aegean Airlines
08 Dec - 08 Dec	Aegean Airlines
15 Dec - 15 Dec	Aegean Airlines
01 Dec - 15 Dec	Aegean Airlines
10 Dec - 13 Dec	LOT
19 Dec - 03 Jan	LOT
22 Dec - 10 Jan	LOT
22 Dec - 03 Jan	LOT
29 Dec - 03 Jan	LOT
15 Dec - 03 Jan	LOT
12 Dec - 11 Jan	Aegean Airlines
17 Dec - 13 Jan	LOT
08 Dec - 18 Dec	LOT
22 Dec - 22 Dec	Aegean Airlines
01 Dec - 09 Dec	LOT
29 Dec - 06 Jan	LOT
01 Dec - 09 Dec	British Airways	direct
29 Dec - 05 Jan	Saudia	direct

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 $461

Return flights