$390 Cheap Flights from Washington (IAD) to Reykjavik (KEF)

View $390 flight on Thu, Aug 6, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Reykjavik–Keflavik Intl. Airport (KEF)

Cheap Flights from Washington to Reykjavik (IAD-KEF)

Prices were available within the past 7 days and start at $390 for one-way flights and $379 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Tue, Mar 31 - Fri, Apr 17
IAD
Washington
KEF
Reykjavik
$379 Roundtrip, found 20 hours ago
$379
Roundtrip
found 20 hours ago
Select Icelandair flight, departing Tue, Mar 31 from Washington to Reykjavik, returning Fri, Apr 17, priced at $379 found 20 hours ago
Icelandair
Wed, Dec 10 - Wed, Jan 14
IAD
Washington
KEF
Reykjavik
$399 Roundtrip, just found
$399
Roundtrip
just found
Select Icelandair flight, departing Wed, Dec 10 from Washington to Reykjavik, returning Wed, Jan 14, priced at $399 just found
Icelandair
Mon, Nov 10 - Fri, Nov 14
IAD
Washington
KEF
Reykjavik
$419 Roundtrip, just found
$419
Roundtrip
just found
Select Icelandair flight, departing Mon, Nov 10 from Washington to Reykjavik, returning Fri, Nov 14, priced at $419 just found
Icelandair
Sat, Apr 11 - Sat, Apr 18
IAD
Washington
KEF
Reykjavik
$422 Roundtrip, found 23 hours ago
$422
Roundtrip
found 23 hours ago
Select Icelandair flight, departing Sat, Apr 11 from Washington to Reykjavik, returning Sat, Apr 18, priced at $422 found 23 hours ago
Icelandair
Thu, Feb 12 - Mon, Feb 16
IAD
Washington
KEF
Reykjavik
$442 Roundtrip, found 1 hour ago
$442
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Thu, Feb 12 from Washington to Reykjavik, returning Mon, Feb 16, priced at $442 found 1 hour ago
Scandinavian Airlines
Sat, Jan 24 - Tue, Jan 27
IAD
Washington
KEF
Reykjavik
$491 Roundtrip, found 1 day ago
$491
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Sat, Jan 24 from Washington to Reykjavik, returning Tue, Jan 27, priced at $491 found 1 day ago
United
Fri, Aug 21 - Sun, Aug 23
IAD
Washington
KEF
Reykjavik
$536 Roundtrip, found 2 days ago
$536
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 21 from Washington to Reykjavik, returning Sun, Aug 23, priced at $536 found 2 days ago
Lufthansa
Wed, Apr 22 - Sun, Apr 26
IAD
Washington
KEF
Reykjavik
$538 Roundtrip, found 6 hours ago
$538
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Wed, Apr 22 from Washington to Reykjavik, returning Sun, Apr 26, priced at $538 found 6 hours ago
Virgin Atlantic
Thu, Apr 23 - Tue, Apr 28
IAD
Washington
KEF
Reykjavik
$538 Roundtrip, found 1 day ago
$538
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Thu, Apr 23 from Washington to Reykjavik, returning Tue, Apr 28, priced at $538 found 1 day ago
Delta
Thu, Apr 16 - Mon, Apr 20
IAD
Washington
KEF
Reykjavik
$538 Roundtrip, found 16 hours ago
$538
Roundtrip
found 16 hours ago
Select Delta flight, departing Thu, Apr 16 from Washington to Reykjavik, returning Mon, Apr 20, priced at $538 found 16 hours ago

Find the cheapest month to fly from Washington (IAD) to Reykjavik (KEF)

March is typically the cheapest month to fly

From $251 - $721 per traveler.

Alternative airports near Reykjavik

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Keflavik Intl. KEF. Cheapest option available. Average driving time to city center is 45 minutes. Flights from $821
KEF
Keflavik Intl.
Cheapest
Average driving time to city center45 min
Flights from $821
Flights from Washington (IAD) to Reykjavik (KEF)
Origin airport
Washington Dulles Intl.
Destination airport
Keflavik Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Delta, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$378
Distance
2791 mi
Average flight time
4 hours 55 mins

Washington to Reykjavik Flights

The cheapest times to fly from Washington to Reykjavik

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Reykjavik are during the month of March. You can find some of the cheapest flights from Washington to Reykjavik with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Reykjavik

Sunday is one of the best days to book for cheap flights from Washington to Reykjavik: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Reykjavik

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Reykjavik in 2025. You can also book with separate airlines for your outbound and return journeys, from $390 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Reykjavik flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Reykjavik airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF) cost?
Snag a cheap one-way flight from $390 or cheap return flight from $379 from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF)?
Planning your getaway for March is a good way to save, as it's the cheapest month for flights between IAD and KEF. You'll often find the lowest fares during off-peak months.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF)?
When flying out of Washington Dulles Intl. Airport (IAD), you can catch a direct flight to Keflavik Intl. Airport (KEF) with Icelandair.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF)?
To find the cheapest airline flying from IAD to KEF, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF)?
On average, Washington Dulles Intl. Airport (IAD) only has 1 nonstop flight to Keflavik Intl. Airport (KEF) daily. For additional options, try our easy-to-use filters. Simply enter your details, then select "1 Stop" or "2+ Stops" to discover flights with layovers.
What are the most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF)?
More passengers fly between IAD and KEF at 7 PM than at any other time of day. Rather go when it's quieter? Try choosing a quieter departure window and it's possible you'll save on your ticket as well.
What day of the week has the most flights from IAD to KEF?
Jet off on a Friday if you're looking for the best selection of flights from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF).
What is the earliest flight from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF)?
The earliest flight leaving from Washington Dulles Intl. Airport (IAD) is at around 7:40PM UTC-5. Board this flight and you'll reach Keflavik Intl. Airport (KEF) at approximately 6:35AM UTC+0. The overall travel time is 5h 55m.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF)?
The average flight duration from IAD to KEF is 5 hours and 55 minutes, covering a total distance of 2,800 mi.
What airline has the least delays from IAD to KEF?
With 82% of journeys usually arriving as scheduled, Icelandair has the best on-time performance for nonstop flights from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF). To monitor your flight status and get notified if anything changes, simply head to the Expedia App.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF)?
To avoid potential delays on the Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF) route, aim to fly before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Reykjavik from Washington Dulles Intl. Airport (IAD)?
Explore your flight options from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF). This is the only airport in Reykjavik you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF) last-minute?
Booking your ticket from IAD to KEF shortly before your getaway is generally more expensive. But if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book an IAD to KEF flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAD to KEF flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place takes the hassle out of planning your trip. Just secure your flights and choose from our extensive range of stays, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Keflavik Intl. Airport (KEF)?
In most instances, you can cancel or modify your IAD to KEF flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, visit our Customer Service portal.

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*Available to One Key members.