$454 Cheap Flights from Reykjavik (KEF) to Washington (IAD)

View $454 flight on Mon, Oct 6, 2025Opens in a new window

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

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Cheap Flights from Reykjavik to Washington (KEF-IAD)

Prices were available within the past 7 days and start at $454 for one-way flights and $555 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sun, Dec 7 - Thu, Dec 11
KEF
Reykjavik
IAD
Washington
$555 Roundtrip, found 1 day ago
$555
Roundtrip
found 1 day ago
Select Icelandair flight, departing Sun, Dec 7 from Reykjavik to Washington, returning Thu, Dec 11, priced at $555 found 1 day ago
Icelandair
Wed, Oct 1 - Wed, Oct 15
KEF
Reykjavik
IAD
Washington
$563 Roundtrip, found 4 days ago
$563
Roundtrip
found 4 days ago
Select Icelandair flight, departing Wed, Oct 1 from Reykjavik to Washington, returning Wed, Oct 15, priced at $563 found 4 days ago
Icelandair
Tue, May 12 - Fri, May 22
KEF
Reykjavik
IAD
Washington
$565 Roundtrip, just found
$565
Roundtrip
just found
Select Icelandair flight, departing Tue, May 12 from Reykjavik to Washington, returning Fri, May 22, priced at $565 just found
Icelandair
Sun, May 17 - Wed, May 27
KEF
Reykjavik
IAD
Washington
$567 Roundtrip, found 21 hours ago
$567
Roundtrip
found 21 hours ago
Select Icelandair flight, departing Sun, May 17 from Reykjavik to Washington, returning Wed, May 27, priced at $567 found 21 hours ago
Icelandair
Tue, Oct 28 - Sun, Nov 2
KEF
Reykjavik
IAD
Washington
$571 Roundtrip, found 2 days ago
$571
Roundtrip
found 2 days ago
Select Icelandair flight, departing Tue, Oct 28 from Reykjavik to Washington, returning Sun, Nov 2, priced at $571 found 2 days ago
Scandinavian Airlines
Mon, Sep 15 - Sun, Oct 5
KEF
Reykjavik
IAD
Washington
$572 Roundtrip, found 16 hours ago
$572
Roundtrip
found 16 hours ago
Select Scandinavian Airlines flight, departing Mon, Sep 15 from Reykjavik to Washington, returning Sun, Oct 5, priced at $572 found 16 hours ago
Icelandair
Fri, Oct 10 - Wed, Oct 15
KEF
Reykjavik
IAD
Washington
$573 Roundtrip, found 2 days ago
$573
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, Oct 10 from Reykjavik to Washington, returning Wed, Oct 15, priced at $573 found 2 days ago
Air Canada
Sun, Sep 14 - Sun, Sep 21
KEF
Reykjavik
IAD
Washington
$624 Roundtrip, found 1 day ago
$624
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sun, Sep 14 from Reykjavik to Washington, returning Sun, Sep 21, priced at $624 found 1 day ago
Lufthansa
Thu, Sep 25 - Wed, Oct 1
KEF
Reykjavik
IAD
Washington
$643 Roundtrip, found 2 days ago
$643
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Sep 25 from Reykjavik to Washington, returning Wed, Oct 1, priced at $643 found 2 days ago
United
Fri, Aug 29 - Sat, Sep 6
KEF
Reykjavik
IAD
Washington
$656 Roundtrip, found 19 hours ago
$656
Roundtrip
found 19 hours ago
Select United flight, departing Fri, Aug 29 from Reykjavik to Washington, returning Sat, Sep 6, priced at $656 found 19 hours ago

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

March is typically the cheapest month to fly

From $227 - $742 per traveler.

Graph displaying average flight prices per month

Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $1,603
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $1,603
Flights from Reykjavik (KEF) to Washington (IAD)
Origin airport
Keflavik Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$554
Distance
2791 mi
Average flight time
2 hours 27 mins

Reykjavik to Washington Flights

The cheapest times to fly from Reykjavik to Washington

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 Reykjavik to Washington are during the month of December. You can find some of the cheapest flights from Reykjavik to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Reykjavik to Washington

Sunday is one of the best days to book for cheap flights from Reykjavik to Washington: 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 Reykjavik to Washington

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 Reykjavik to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $454 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 Reykjavik to Washington 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 Reykjavik to Washington 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 Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD) cost?
You can pick up cheap return flights starting at $580 from Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Icelandair flight leaving KEF on August 13 2025 and touching down at IAD. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from KEF to IAD?
The cheapest flights from KEF to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD)?
When jetting out of Keflavik Intl. Airport (KEF), you can take a direct flight to Washington Dulles Intl. Airport (IAD) with Icelandair.
What is the cheapest airline that flies from KEF to IAD?
With fares starting at $459 for a one-way flight from KEF to IAD, Icelandair is currently the cheapest carrier operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from KEF on October 17 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD)?
On average, only 1 nonstop flight departs daily from Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD). Looking for more options? Use our filters to discover flights with layovers and squeeze in a visit to another city along the way.
What are the most popular departure times for flights from Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD)?
The 4 PM departures from KEF to IAD are typically the busiest. Greater demand means you'll likely pay more for these departures. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from KEF to IAD?
Travel on a Friday if you're after the biggest selection of flights from Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD)?
Keflavik Intl. Airport (KEF)'s first flight to Washington Dulles Intl. Airport (IAD) departs at approximately 4:50PM UTC+0. With a total journey time of 6h 35m, you'll touch down at around 6:25PM UTC-5.
How long does it take to fly from Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD)?
The average flight time from KEF to IAD is 6 hours and 35 minutes, covering a total distance of 2,800 mi.
What airline has the least delays from KEF to IAD?
Fly Play has the strongest track record for on-time direct flights from Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD), with an on-time score of 98%. Use the Expedia App to check your flight schedule before you go and get real-time updates about any changes.
What is the best time to fly from Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD)?
Opt for a flight from Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD) that leaves before 3 PM to reduce the likelihood of delays. Departures after this time have a 22% higher chance of being canceled, on average.**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 Washington from Keflavik Intl. Airport (KEF)?
Catch a direct flight from Keflavik Intl. Airport (KEF) to Washington and land at Baltimore Washington Intl. Thurgood Marshall Airport (BWI). Another convenient arrival point to this city is Washington Dulles Intl. Airport (IAD).
Is it cheaper to buy a plane ticket from Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute bookings from KEF to IAD are generally more expensive. For the best prices, start looking for flights as soon as possible. That said, if you're flexible with your travel dates, you may find a cheap fare right before your trip.
Is it cheaper to book a KEF to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking a KEF to IAD flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place takes the hassle out of travel planning. Simply secure your flights and select from our wide range of stays, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD)?
If you reserved your KEF to IAD flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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