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Dulles Intl

$429+ Cheap flights from Keflavik Intl (KEF) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — IAD
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Keflavik Intl to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$528
(Mytrip)

One-way from

$429
(Mytrip)

Popular in

March

Cheapest in

February

Average price

$362

Good round-trip deal

$1,390 or less

Good one-way deal

$504 or less
Provider with most accurate pricing for Reykjavik Keflavik Intl-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Washington, D.C. Dulles Intl flights.
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From Reykjavik Keflavik Intl to Washington, D.C. Dulles Intl
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One-way flight from Reykjavik Keflavik Intl to Washington, D.C. Dulles Intl
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High demand for flights, 6% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Reykjavik Keflavik Intl to Washington, D.C. Dulles Intl.
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Find flight deals from Keflavik Intl to Dulles Intl

Cheapest flights from Keflavik Intl to Dulles Intl
Explore the most affordable flight options available from Keflavik Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This Mytrip deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/114:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Wed 2/187:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Deal found 1/14$528
This Cheapflightsfares deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/224:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Sat 2/287:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Deal found 1/13$548
This Cheapflightsfares deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/224:50 pm
KEF
-
IAD
Nonstop6h 30m
Icelandair
Sat 5/308:30 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Deal found 1/14$564
This Mytrip deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/14:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Sun 3/88:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Deal found 1/15$566
This Gotogate deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Sat 3/77:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Deal found 1/14$568
This Flightnetwork deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/144:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Mon 3/168:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Deal found 1/15$636
This FlightHub deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:35 pm
KEF
-
IAD
1 stop28h 40m
Scandinavian Airlines
Tue 3/312:24 pm
IAD
-
KEF
2 stops17h 21m
Scandinavian Airlines
Deal found 1/14$689
This United Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2211:30 am
KEF
-
IAD
Nonstop6h 25m
United Airlines
Sat 5/3010:07 pm
IAD
-
KEF
1 stop30h 23m
United Airlines
Deal found 1/14$700
This Virgin Atlantic deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:50 am
KEF
-
IAD
1 stop11h 35m
Virgin Atlantic
Sat 5/3010:40 am
IAD
-
KEF
1 stop15h 40m
Virgin Atlantic
Deal found 1/14$720
This Kiwi.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/147:35 am
KEF
-
IAD
1 stop16h 15m
Scandinavian Airlines
Mon 3/169:30 pm
IAD
-
KEF
1 stop15h 20m
Scandinavian Airlines
Deal found 1/15$732

Cheapflights Fare Finder

 
Customize your flight search to find flights from Keflavik Intl to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 15, 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Keflavik Intl

Fly to

Dulles Intl

Route

Depart

Return

Price

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Tue 2/24

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Tue 3/3

7:40 pm-6:35 am

Nonstop5h 55m

$528

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Sun 2/22

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Sat 2/28

7:40 pm-6:35 am

Nonstop5h 55m

$548

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Sun 3/1

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Sun 3/8

8:40 pm-6:35 am

Nonstop5h 55m

$566

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Sat 3/14

4:50 pm-7:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Mon 3/16

8:40 pm-6:35 am

Nonstop5h 55m

$636

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 5/22

11:30 am-1:55 pm

Nonstop6h 25m

Washington, D.C. Dulles Intl

Sat 5/30

10:07 pm-8:30 am

1 stop30h 23m

$700

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 5/22

8:50 am-4:25 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Sat 5/30

10:40 am-6:20 am

1 stop15h 40m

$720

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Sat 3/14

7:35 am-7:50 pm

1 stop16h 15m

Washington, D.C. Dulles Intl

Mon 3/16

9:30 pm-4:50 pm

1 stop15h 20m

$732

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Tue 2/24

3:40 pm-7:09 pm

2 stops32h 29m

Washington, D.C. Dulles Intl

Tue 3/3

12:24 pm-10:45 am

2 stops17h 21m

$750

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Wed 2/11

5:00 pm-10:22 am

1 stop22h 22m

Washington, D.C. Dulles Intl

Wed 2/18

7:40 pm-6:35 am

Nonstop5h 55m

$757

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 2/27

1:15 am-2:40 pm

1 stop18h 25m

Washington, D.C. Dulles Intl

Sat 3/7

6:00 pm-2:20 pm

1 stop15h 20m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 22 results
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Compare providers for flights from Keflavik Intl to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Keflavik Intl to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Reykjavik Keflavik Intl Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Reykjavik Keflavik Intl Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Reykjavik Keflavik Intl Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Keflavik Intl to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Keflavik Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport

What is the cheapest time of day to fly from KEF to IAD?

Find hourly flight availability from Keflavik Intl to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 15, 2026.

When flying from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport?

    Icelandair and United Airlines can get you from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport in just under 6h 25m. Your travel time will be generally consistent. Airlines will cover a distance of 2791 mi. All flights are typically nonstop.

  • What are the cheapest flights from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport?

    The cheapest flight price from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport is $447. On average you can expect to pay $954. The most popular route, (Reykjavik Keflavik Intl - Washington, D.C. Dulles Intl), can usually be booked for $495.

  • Can I find deals for flights from Keflavik Intl to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Keflavik Intl to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Keflavik Intl to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Keflavik Intl to Dulles Intl.

  • Can I find deals for business class flights from Keflavik Intl to Dulles Intl?

    Yes. Cheapflights offers flight deals from Keflavik Intl to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Largo
Bowie
McLean
Clinton
Herndon

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Alternative routes for Keflavik Intl to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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