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

Return flights

04 Dec - 15 Dec	flyadeal
16 Dec - 04 Jan	flyadeal
17 Dec - 31 Dec	Aegean Airlines
11 Dec - 16 Dec	flyadeal
21 Dec - 31 Dec	AJet
02 Dec - 08 Dec	AJet
18 Dec - 01 Jan	Pegasus Airlines
04 Dec - 31 Dec	AJet
04 Dec - 10 Dec	AJet
04 Dec - 12 Dec	AJet
05 Dec - 10 Dec	AJet
01 Dec - 31 Dec	Royal Jordanian
17 Dec - 04 Jan	flyadeal
30 Dec - 10 Jan	flyadeal
17 Dec - 02 Jan	Aegean Airlines
11 Dec - 02 Jan	Etihad Airways
12 Dec - 10 Jan	Aegean Airlines
18 Dec - 16 Jan	AJet
18 Dec - 09 Jan	Pegasus Airlines
18 Dec - 02 Jan	Pegasus 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 295€

Return flights