Find cheap airlines flights from Washington D.C. to Reykjavik

Choose from 1 carriers that fly from Washington D.C. to Reykjavik, including Icelandair, Enjoy the cheapest tickets on this route with Icelandair.

Book direct flights from Washington D.C. to Reykjavik: One way flights from $399, round trip flights from $344. Find flight deals for the next 3 months below.

Displayed flight fares from Washington D.C. to Reykjavik are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Washington D.C. to Reykjavik

The distance between Washington D.C. and Reykjavik is approximately 4,515.26 km. It takes around 5 hours 55 minutes on average to fly from Washington D.C. to Reykjavik. Based on Trip.com's data travel demand peaks in January. The off-season for travel is August.

Cheapest one-way flight price$399
Cheapest round-trip ticket price$344
Off-season for travelAugust
Peak season for travelJanuary
Flight distance4,515.26 km
Average flight time5 hours 55 minutes
Popular airlineIcelandair

When is the cheapest time to fly from Washington D.C. to Reykjavik?

The cheapest time for Washington D.C. to Reykjavik flights: Jan 18 to Jan 25 — one way flight prices from $340.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Washington D.C. to Reykjavik, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Washington D.C. to Reykjavik (WAS-REK)?

    Based on Trip.com data, Icelandair offers one-way fares as low as $399 on Cheapest nonstop routes (e.g. IAD to KEF on Mon, Jan 5), while Icelandair offers Cheapest nonstop round-trips from $344 departing on Mon, Jan 12 and returning on Fri, Jan 16.
  • At the moment, you can catch a nonstop flight from Washington D.C. to Reykjavik with the following airlines, including: Icelandair Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 5 hours 55 minutes to fly from Washington D.C. (WAS) to Reykjavik (REK).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to Reykjavik is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 6 flight per week flying from Washington D.C. to Reykjavik. You can check the weekly schedule for popular airlines on this route below: Icelandair: S/M/T/W/T/F/S -- FI644 (19:59)
  • To find best deals on flights from Washington D.C. to Reykjavik, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Jan 5, with one-way flights priced at just $399.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Icelandair.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Reykjavik travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Washington D.C. to Reykjavik is August, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Washington D.C. to Reykjavik on December 11, 2025 with Icelandair, with prices starting at $369.
  • You can land at any one of the following hubs in Reykjavik, with Dulles International Airport to Keflavik International Airport (IAD-KEF) is by far the most common option on this route: Keflavik International Airport (KEF) Reykjavik Domestic Airport (RKV).
  • The time difference between Reykjavik and Washington D.C. is 5h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.