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Cheap flights from Washington Dulles to Reykjavik Keflavik

Compare Washington Dulles to Reykjavik Keflavik flight deals

Find the cheapest month or even day of the year to fly to Reykjavik Keflavik

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Flight deals from Washington Dulles to Reykjavik Keflavik

Looking for a cheap last-minute deal or the best round-trip flight from Washington Dulles to Reykjavik Keflavik? Find the lowest prices on one-way and round-trip tickets right here.
Reykjavik.$378 per passenger.Departing Sun, Dec 7, returning Thu, Dec 11.Round-trip flight with Icelandair.Outbound direct flight with Icelandair departing from Washington Dulles on Sun, Dec 7, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departing from Reykjavik Keflavik on Thu, Dec 11, arriving in Washington Dulles.Price includes taxes and charges.From $378, select.
Reykjavik.$381 per passenger.Departing Mon, Oct 20, returning Thu, Oct 30.Round-trip flight with Icelandair.Outbound direct flight with Icelandair departing from Washington Dulles on Mon, Oct 20, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departing from Reykjavik Keflavik on Thu, Oct 30, arriving in Washington Dulles.Price includes taxes and charges.From $381, select.
Reykjavik.$401 per passenger.Departing Fri, Nov 28, returning Fri, Dec 5.Round-trip flight with Icelandair.Outbound direct flight with Icelandair departing from Washington Dulles on Fri, Nov 28, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departing from Reykjavik Keflavik on Fri, Dec 5, arriving in Washington Dulles.Price includes taxes and charges.From $401, select.
Reykjavik.$442 per passenger.Departing Sat, Jan 17, returning Sun, Jan 25.Round-trip flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departing from Washington Dulles on Sat, Jan 17, arriving in Reykjavik Keflavik.Inbound indirect flight with Scandinavian Airlines, departing from Reykjavik Keflavik on Sun, Jan 25, arriving in Washington Dulles.Price includes taxes and charges.From $442, select.
Reykjavik.$456 per passenger.Departing Thu, Feb 19, returning Tue, Feb 24.Round-trip flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departing from Washington Dulles on Thu, Feb 19, arriving in Reykjavik Keflavik.Inbound indirect flight with Scandinavian Airlines, departing from Reykjavik Keflavik on Tue, Feb 24, arriving in Washington Dulles.Price includes taxes and charges.From $456, select.
Reykjavik.$463 per passenger.Departing Tue, Jan 6, returning Sat, Jan 31.Round-trip flight with Icelandair.Outbound direct flight with Icelandair departing from Washington Dulles on Tue, Jan 6, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departing from Reykjavik Keflavik on Sat, Jan 31, arriving in Washington Dulles.Price includes taxes and charges.From $463, select.
Reykjavik.$464 per passenger.Departing Tue, Nov 18, returning Tue, Nov 25.Round-trip flight with Icelandair.Outbound direct flight with Icelandair departing from Washington Dulles on Tue, Nov 18, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departing from Reykjavik Keflavik on Tue, Nov 25, arriving in Washington Dulles.Price includes taxes and charges.From $464, select.
Reykjavik.$464 per passenger.Departing Mon, Mar 23, returning Mon, Mar 30.Round-trip flight with Icelandair.Outbound direct flight with Icelandair departing from Washington Dulles on Mon, Mar 23, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departing from Reykjavik Keflavik on Mon, Mar 30, arriving in Washington Dulles.Price includes taxes and charges.From $464, select.

Find the cheapest month to fly from Washington Dulles to Reykjavik Keflavik

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Reykjavik Keflavik flights are currently cheapest in December.
Oct
from $381
Nov
from $464
Dec
from $378
Jan
from $442
Feb
from $456
Mar
from $464
Apr
from $465
May
from $557
Jun
from $568
Jul
from $694
Aug
from $569
Sep
from $539

Direct flights from Washington Dulles to Reykjavik Keflavik

Washington Dulles to Reykjavik Keflavik: Alternative routes

Compare routes from Washington Dulles to Reykjavik below. You may find an airport to fly into that's cheaper, faster, or easier than Reykjavik Keflavik.

Washington, D.C. to Reykjavik: Flight information

The things to know before you go.
Cheapest flight found$378
Cheapest month to flyDecember
Average flight time5 hrs, 54 mins
Most popular airlineIcelandair
Average flights per week17

Finding cheap flights from Washington Dulles to Reykjavik Keflavik: Frequently asked questions

The best price we found for a round-trip flight from Washington Dulles to Reykjavik Keflavik is $378. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 54 minutes is the average flight time from Washington Dulles to Reykjavik Keflavik.
Icelandair, United and Atlantic Airways fly direct from Washington Dulles to Reykjavik Keflavik.
There are 17 flights per week flying from Washington Dulles to Reykjavik Keflavik, as of October 2025.
The cheapest month to fly from Washington Dulles to Reykjavik Keflavik is usually December.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Reykjavik Keflavik Airport on Sunday, December 7, 2025.
Yes – the average flight time is 5 hours and 54 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Reykjavik Keflavik but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Reykjavik is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Icelandair offers the cheapest flight tickets to Reykjavik Keflavik.

Flying from Washington Dulles International Airport (IAD) to Keflavik International Airport (KEF): what you need to know

  • The average time for a direct flight from Washington Dulles International Airport to Keflavik International Airport is 6 hours.

  • Reykjavik is four hours ahead of Washington DC and follows the UTC+0 timezone.

  • Each week, there are 15 Washington Dulles International Airport to Keflavik International Airport flights. If you'd like to jet off early, select the 18:05 Fly Play flight. If you'd rather make the most of your day before flying, the latest flight is at 23:15 with Icelandair.

  • Leave plenty of time to make your IAD to KEF flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as April, you'll want to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for international flights when you fly during peak periods in general.

  • Icelandair is your ticket to exploring Reykjavik (and maybe even some other great corners of Iceland!). Check out the direct flights from Washington Dulles International Airport to Keflavik International Airport offered by this carrier.

  • Icelandair is the most frequently booked airline on this route.

  • The most punctual carrier operating IAD to KEF flights is Icelandair. Its services land as scheduled 75.44% of the time.

  • Consider adding a stopover when booking your ticket from Washington Dulles International Airport to Keflavik International Airport. Simply deselect 'Direct flights only' to break up your trip, or visit a new city along the way. Check out these options between IAD and KEF:

    • Logan International Airport

    • Pearson International Airport

    • Raleigh-Durham International Airport

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Keflavik International Airport (KEF)

  • The lowest price we've seen for a one-way Washington Dulles International Airport to Keflavik International Airport flight is $284. A round-trip ticket is currently $378. Depending on the availability when you book, these fares may change.

  • To score cheap tickets from IAD to KEF, reserve your trip nine months before your planned departure.

  • August is the cheapest month for flights from Washington Dulles International Airport to Keflavik International Airport. If you want to fly during a different time of year, the 'Whole month' tool will give you the lowest airfares across every month.

  • You don't need to check back in every day to see if fares have dropped when you create a Price Alert. We'll send you an update the moment there's a new deal on cheap flights from IAD to KEF.

  • Tailor your trip with filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Washington Dulles International Airport to Keflavik International Airport.

Handy information about Washington Dulles International Airport (IAD)

  • IAD is located at 1 Saarinen Circle.

  • Of the flights that depart from Washington Dulles International Airport, 74.39% touch down on time at their destination.

  • To reach Washington Dulles International Airport from central Washington DC, it'll take around 50 minutes by car. Of course, this depends on traffic. It's approximately 56 kilometers from the airport to the city center.

  • The trip when using public transport typically takes 3 hours 25 minutes.

  • Searching for a handy hotel close to IAD? If you're catching an early flight from Washington Dulles International Airport to Keflavik International Airport, these stays will put you moments from your departure lounge:

Arriving at Keflavik International Airport (KEF)

Getting from Keflavik International Airport (KEF) to central Reykjavik

  • Keflavik International Airport is approximately 48 kilometers from central Reykjavik. Driving there takes about 50 minutes.

  • Traveling to the center by public transport will take you roughly 1 hour 15 minutes.

When to fly to Keflavik International Airport (KEF)

  • The quietest month for a flight from Washington Dulles International Airport to Keflavik International Airport is January, while July is the most popular. Pick the best time to go to Reykjavik based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When reserving your flight from Washington Dulles International Airport to Keflavik International Airport, think about the type of weather you like. July is the warmest month in Reykjavik, with temperatures ranging from 8ºC (46ºF) to 15ºC (59ºF).

  • December sees average temperatures of between -6ºC (21ºF) and 4ºC (39ºF). Search for cheap tickets from IAD to KEF sometime around then if you want to travel in cooler conditions.

Explore more of Iceland

  • You've visited Reykjavik, now it's time to explore more of Iceland. Journey around 5 kilometers south to Kópavogur to tick off its top sights. From Yndisgarðurinn to Fífu parkið and Elliðavatns-stífla, you'll have a packed itinerary ahead.

  • Hafnarfjörður is another sought-after destination in Iceland and is around 10 kilometers south of Reykjavik. No journey is complete without seeing Höfðaskógur forest, Dog relief area in Hafnarfjordur and Víðistaðatún.

More travel options

Plan the rest of your trip from Washington, D.C. to Reykjavik

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.