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

Return flights

22 Dec - 02 Jan	Turkish Airlines
26 Dec - 07 Jan	Delta
21 Dec - 04 Jan	Delta
22 Dec - 05 Jan	Delta
25 Dec - 05 Jan	Delta
25 Dec - 06 Jan	Delta
01 Dec - 10 Dec	Delta
25 Dec - 02 Jan	Delta
01 Dec - 10 Dec	Saudia	direct
22 Dec - 05 Jan	Saudia	direct
22 Dec - 02 Jan	Saudia	direct
26 Dec - 07 Jan	Saudia	direct
27 Dec - 29 Dec	Emirates
29 Dec - 31 Dec	Emirates

Also check the deals for one-way flights from Riyadh to Washington 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 Washington in December from $709

Return flights