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Dulles Intl

$394+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — IAD
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap 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 diciembre 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/104:50 pmKEF - IAD
Nonstop6h 40mIcelandair
dom. 12/147:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 12/10$510
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/174:50 pmKEF - IAD
Nonstop6h 40mIcelandair
mié. 12/247:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 12/10$557
This Gotogate deal was found by Cheapflights users on 12/10. 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.
mié. 12/174:45 pmKEF - IAD
1 stop22h 39mMultiple Airlines
mié. 12/247:40 pmIAD - KEF
Nonstop5h 55mMultiple Airlines
Deal found 12/10$1,090
This FlightHub deal was found by Cheapflights users on 12/10. 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.
mié. 12/242:05 pmKEF - IAD
2 stops30h 30mLufthansa
lun. 12/296:00 pmIAD - KEF
1 stop15h 20mLufthansa
Deal found 12/10$1,202
This FlightHub deal was found by Cheapflights users on 12/10. 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.
mié. 12/242:05 pmKEF - IAD
1 stop31h 35mMultiple Airlines
lun. 12/296:00 pmIAD - KEF
1 stop15h 20mMultiple Airlines
Deal found 12/10$1,207
This Finnair deal was found by Cheapflights users on 12/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/249:45 amKEF - IAD
2 stops34h 50mFinnair
lun. 12/299:45 pmIAD - KEF
2 stops30h 30mFinnair
Deal found 12/10$1,510
This Gotogate deal was found by Cheapflights users on 12/10. 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.
jue. 12/114:50 pmKEF - IAD
Nonstop6h 40mMultiple Airlines
mié. 12/1711:40 amIAD - KEF
1 stop13h 45mMultiple Airlines
Deal found 12/10$1,537
This Justfly.com deal was found by Cheapflights users on 12/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/104:50 pmKEF - IAD
Nonstop6h 40mMultiple Airlines
dom. 12/1411:40 amIAD - KEF
1 stop13h 45mMultiple Airlines
Deal found 12/10$1,538
This Gotogate deal was found by Cheapflights users on 12/10. 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.
mié. 12/179:45 amKEF - IAD
2 stops34h 50mFinnair
mié. 12/246:20 pmIAD - KEF
2 stops33h 55mFinnair
Deal found 12/10$1,578

Find 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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$429
(Icelandair)

One-way from

$394
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$488

Good round-trip deal

$1,390 or less

Good one-way deal

$428 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, 5% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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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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 diciembre 12, 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

jue. 1/29

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

lun. 2/2

7:40 pm-6:35 am

Nonstop5h 55m

$429

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

lun. 1/12

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

dom. 1/25

7:40 pm-6:35 am

Nonstop5h 55m

$490

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

jue. 1/8

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

sáb. 1/17

7:40 pm-6:35 am

Nonstop5h 55m

$644

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

jue. 1/15

5:00 pm-10:19 am

1 stop22h 19m

Washington, D.C. Dulles Intl

mié. 1/21

7:40 pm-6:35 am

Nonstop5h 55m

$694

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

dom. 1/11

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

mar. 1/13

7:40 pm-6:35 am

Nonstop5h 55m

$722

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

lun. 1/12

3:40 pm-7:09 pm

2 stops32h 29m

Washington, D.C. Dulles Intl

dom. 1/25

12:23 pm-10:45 am

2 stops17h 22m

$733

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

jue. 1/29

11:30 am-7:09 pm

2 stops36h 39m

Washington, D.C. Dulles Intl

lun. 2/2

8:30 pm-10:45 am

1 stop33h 15m

$781

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

mié. 1/28

6:05 pm-8:40 am

2 stops43h 35m

$394

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

vie. 12/19

4:50 pm-6:30 pm

Nonstop6h 40m

$420

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

lun. 1/12

4:50 pm-6:30 pm

Nonstop6h 40m

$423

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 15 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 December.
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 diciembre 12, 2025.

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.

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 diciembre 12, 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
589 reviews

Food

6.2

Comfort

6.9

Crew

8.0

Boarding

7.2

Entertainment

7.0

Overall

7.0

Reviews

1 / 20
8.0
Excellent

Dmitry,Oct 2025

KEF - EWR

It was a nice experience, the plane was clean and the crew was friendly. The boarding process went smoothly and there were no delays.
Icelandair
7.0
Good
589 reviews
Icelandair
7.0
Good
589 reviews

Food

6.2

Comfort

6.9

Crew

8.0

Boarding

7.2

Entertainment

7.0

Overall

7.0

Reviews

1 / 20
8.0
Excellent

Dmitry,Oct 2025

KEF - EWR

It was a nice experience, the plane was clean and the crew was friendly. The boarding process went smoothly and there were no delays.

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 can get you from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport in just under 6h 40m. Your travel time will be generally consistent. Airlines will cover a distance of 2791 mi. All flights are typically nonstop.

  • 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 $354. On average you can expect to pay $923. The most popular route, (Reykjavik Keflavik Intl - Washington, D.C. Dulles Intl), can usually be booked for $402.

  • 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
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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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.
Keflavik Intl to Baltimore flights

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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$476Average$650FlexibilityNo cancel feeOn-time76%

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