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Dulles Intl

$337+ Cheap flights from Keflavik Intl (KEF) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$475
(flugladen.de)

One-way from

$387
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$337

Good round-trip deal

$592 or less

Good one-way deal

$468 or less
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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Highest demand for flights based on searches. 20% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This SmartFares deal was found by Cheapflights users on 9/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Mon 11/177:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 9/9$337
This flugladen.de deal was found by Cheapflights users on 9/10. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Thu 11/207:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 9/10$475
This SmartFares deal was found by Cheapflights users on 9/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Mon 11/107:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 9/11$543
This Gotogate deal was found by Cheapflights users on 9/11. 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.
Fri 11/711:30 amKEF - IAD
1 stop36h 20mScandinavian Airlines
Mon 11/108:30 pmIAD - KEF
1 stop33h 15mScandinavian Airlines
Deal found 9/11$581
This Gotogate deal was found by Cheapflights users on 9/11. 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 10/117:45 pmKEF - IAD
Nonstop6h 25mIcelandair
Sat 10/188:30 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 9/11$590
This Gotogate deal was found by Cheapflights users on 9/9. 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.
Fri 10/244:50 pmKEF - IAD
Nonstop6h 30mIcelandair
Fri 10/318:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 9/9$619
This Travelocity deal was found by Cheapflights users on 9/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:25 amKEF - IAD
1 stop23h 35mLufthansa
Wed 10/810:20 pmIAD - KEF
1 stop21h 50mLufthansa
Deal found 9/9$632
This FlightHub deal was found by Cheapflights users on 9/10. 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.
Wed 9/174:50 pmKEF - IAD
Nonstop6h 30mIcelandair
Wed 9/2411:15 pmIAD - KEF
Nonstop5h 50mIcelandair
Deal found 9/10$635
This Gotogate deal was found by Cheapflights users on 9/11. 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.
Thu 11/67:35 amKEF - IAD
1 stop14h 40mScandinavian Airlines
Mon 11/108:30 pmIAD - KEF
1 stop33h 15mScandinavian Airlines
Deal found 9/11$639
This Gotogate deal was found by Cheapflights users on 9/10. 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.
Fri 9/194:50 pmKEF - IAD
Nonstop6h 30mIcelandair
Thu 9/258:30 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 9/10$646
This Virgin Atlantic deal was found by Cheapflights users on 9/10. 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 9/2611:25 amKEF - IAD
1 stop12h 12mVirgin Atlantic
Tue 9/3012:08 pmIAD - KEF
1 stop17h 22mVirgin Atlantic
Deal found 9/10$681

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 September 11, 2025.
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

Thu 11/13

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Mon 11/17

7:40 pm-6:35 am

Nonstop5h 55m

$337

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Mon 11/10

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Thu 11/20

7:40 pm-6:35 am

Nonstop5h 55m

$475

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 11/6

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Mon 11/10

7:40 pm-6:35 am

Nonstop5h 55m

$543

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 11/7

11:30 am-6:50 pm

1 stop36h 20m

Washington, D.C. Dulles Intl

Mon 11/10

8:30 pm-10:45 am

1 stop33h 15m

$581

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Sat 10/11

7:45 pm-10:10 pm

Nonstop6h 25m

Washington, D.C. Dulles Intl

Sat 10/18

8:30 pm-6:25 am

Nonstop5h 55m

$590

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 10/24

4:50 pm-7:20 pm

Nonstop6h 30m

Washington, D.C. Dulles Intl

Fri 10/31

8:40 pm-6:35 am

Nonstop5h 55m

$619

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Wed 10/1

12:25 am-8:00 pm

1 stop23h 35m

Washington, D.C. Dulles Intl

Wed 10/8

10:20 pm-12:10 am

1 stop21h 50m

$632

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 11/6

7:35 am-5:15 pm

1 stop14h 40m

Washington, D.C. Dulles Intl

Mon 11/10

8:30 pm-10:45 am

1 stop33h 15m

$639

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 9/26

11:25 am-7:37 pm

1 stop12h 12m

Washington, D.C. Dulles Intl

Tue 9/30

3:31 pm-9:30 am

2 stops13h 59m

$681

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 10/2

4:50 pm-7:20 pm

Nonstop6h 30m

Washington, D.C. Dulles Intl

Wed 10/8

4:20 pm-8:35 am

1 stop12h 15m

$686

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 results
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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 September 11, 2025.

When flying from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 21% versus a flight at noon.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport, such as Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
546 reviews

Boarding

7.1

Overall

7.0

Entertainment

7.0

Food

6.2

Crew

8.0

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
Icelandair
7.0
Good
546 reviews
Icelandair
7.0
Good
546 reviews

Boarding

7.1

Overall

7.0

Entertainment

7.0

Food

6.2

Crew

8.0

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient

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 Scandinavian Airlines can get you from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport in just under 6h 40m. Your travel time can differ by up to 29h 40m. Airlines will cover a distance of 2791 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, Icelandair ($476), offers the cheapest pricing from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport.

  • 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 $457. On average you can expect to pay $846. The most popular route, (Reykjavik Keflavik Intl - Washington, D.C. Dulles Intl), can usually be booked for $337.

  • 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.

  • What is the cheapest month to book a flight from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Keflavik Intl to Dulles Intl

Discover the top airline that operate flights from Keflavik Intl to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$476Average$650FlexibilityNo cancel feeOn-time76%

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