$456 Cheap Flights from Reykjavik (KEF) to Washington (IAD)

View $456 flight on Sat, Feb 7, 2026Opens in a new window

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

Cheap Flights from Reykjavik to Washington (KEF-IAD)

Prices were available within the past 7 days and start at $456 for one-way flights and $323 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Thu, Jan 15 - Mon, Jan 19
KEF
Reykjavik
IAD
Washington
$323 Roundtrip, found 4 hours ago
$323
Roundtrip
found 4 hours ago
Select Icelandair flight, departing Thu, Jan 15 from Reykjavik to Washington, returning Mon, Jan 19, priced at $323 found 4 hours ago
Icelandair
Wed, Feb 18 - Sat, Feb 28
KEF
Reykjavik
IAD
Washington
$325 Roundtrip, found 20 hours ago
$325
Roundtrip
found 20 hours ago
Select Icelandair flight, departing Wed, Feb 18 from Reykjavik to Washington, returning Sat, Feb 28, priced at $325 found 20 hours ago
Icelandair
Thu, Dec 4 - Sun, Dec 7
KEF
Reykjavik
IAD
Washington
$364 Roundtrip, found 2 days ago
$364
Roundtrip
found 2 days ago
Select Icelandair flight, departing Thu, Dec 4 from Reykjavik to Washington, returning Sun, Dec 7, priced at $364 found 2 days ago
Icelandair
Thu, Nov 20 - Thu, Nov 27
KEF
Reykjavik
IAD
Washington
$395 Roundtrip, found 8 hours ago
$395
Roundtrip
found 8 hours ago
Select Icelandair flight, departing Thu, Nov 20 from Reykjavik to Washington, returning Thu, Nov 27, priced at $395 found 8 hours ago
Icelandair
Tue, Dec 9 - Sun, Dec 14
KEF
Reykjavik
IAD
Washington
$397 Roundtrip, found 1 day ago
$397
Roundtrip
found 1 day ago
Select Icelandair flight, departing Tue, Dec 9 from Reykjavik to Washington, returning Sun, Dec 14, priced at $397 found 1 day ago
Scandinavian Airlines
Tue, Feb 24 - Mon, Mar 2
KEF
Reykjavik
IAD
Washington
$626 Roundtrip, found 11 hours ago
$626
Roundtrip
found 11 hours ago
Select Scandinavian Airlines flight, departing Tue, Feb 24 from Reykjavik to Washington, returning Mon, Mar 2, priced at $626 found 11 hours ago
Lufthansa
Thu, Apr 9 - Wed, Apr 15
KEF
Reykjavik
IAD
Washington
$654 Roundtrip, found 4 days ago
$654
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Thu, Apr 9 from Reykjavik to Washington, returning Wed, Apr 15, priced at $654 found 4 days ago
Austrian Airlines
Sat, Apr 11 - Sat, Apr 18
KEF
Reykjavik
IAD
Washington
$670 Roundtrip, found 4 days ago
$670
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Sat, Apr 11 from Reykjavik to Washington, returning Sat, Apr 18, priced at $670 found 4 days ago
Air Canada
Tue, Aug 11 - Wed, Aug 26
KEF
Reykjavik
IAD
Washington
$676 Roundtrip, found 23 hours ago
$676
Roundtrip
found 23 hours ago
Select Air Canada flight, departing Tue, Aug 11 from Reykjavik to Washington, returning Wed, Aug 26, priced at $676 found 23 hours ago
United
Tue, Jun 2 - Wed, Jun 10
KEF
Reykjavik
IAD
Washington
$693 Roundtrip, found 4 hours ago
$693
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Jun 2 from Reykjavik to Washington, returning Wed, Jun 10, priced at $693 found 4 hours ago

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

March is typically the cheapest month to fly

From $228 - $787 per traveler.

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. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $633
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $633

Frequently asked questions

How much does a flight from Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD) cost?
Get a cheap one-way flight from $456 or cheap return flight from $323 from Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD) 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 Keflavik Intl. Airport (KEF) to Washington Dulles Intl. Airport (IAD)?
The cheapest month to fly from KEF to IAD is January, when there's less demand. Off-peak season is typically when airlines offer lower prices between these airports.
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.
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.

Travel information

Origin airport
Keflavik Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Delta, Icelandair, KLM, Lufthansa, Scandinavian Airlines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$323
Distance
2791 mi
Average flight time
6 hours 40 mins

Book with confidence

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 January. 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 $456 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.

 

Reykjavik to Washington Flights

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*Available to One Key members.