Cheapest return flights from Riyadh to Washington in September from $553

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

Return flights

17 Sep - 22 Sep KLM
15 Sep - 22 Sep KLM
01 Sep - 22 Sep KLM
19 Sep - 22 Sep KLM
17 Sep - 24 Sep Etihad Airways
25 Sep - 29 Sep Etihad Airways
17 Sep - 20 Sep Etihad Airways
22 Sep - 06 Oct Etihad Airways
14 Sep - 21 Sep Turkish Airlines
01 Sep - 07 Sep KLM
03 Sep - 15 Sep KLM
29 Sep - 03 Oct Turkish Airlines
29 Sep - 03 Oct Saudia direct
22 Sep - 06 Oct Saudia direct

Also check the deals for one-way flights from Riyadh to Washington in September.

Skyscanner

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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