Cheapest one-way flights from Reykjavik to Washington in September from $166

Best time to book flights for Reykjavik (REK) to Washington (IAD) flights at AirHint

AirHint found the following cheapest one-way flights from Reykjavik (REK) to Washington (IAD) in September 2025 (see full year).

One-Way flights

19 Sep Fly Play direct

Also check the deals for return flights from Reykjavik 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.

Book a cheap hotel in Washington

Cheap car rent in Washington