Dulles Intl

$390+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — IAD
Mar 31 — Apr 71
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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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$481
(Booking.com)

One-way from

$390
(oojo)

Good round-trip deal

$1,390 or less

Good one-way deal

$391 or less
Provider with most accurate pricing for Reykjavik Keflavik Intl-Washington, D.C. Dulles Intl flight deals.
Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Washington, D.C. Dulles Intl flights.
From Reykjavik Keflavik Intl to Washington, D.C. Dulles Intl
One-way flight from Reykjavik Keflavik Intl to Washington, D.C. Dulles Intl
Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Reykjavik Keflavik Intl to Washington, D.C. Dulles Intl.

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 March 26, 2025.

This Booking.com deal was found by Cheapflights users on 3/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/210:20 amKEF - IAD
1 stop13h 39mScandinavian Airlines
Fri 5/910:05 pmIAD - KEF
1 stop14h 15mScandinavian Airlines
Deal found 3/25$481
This Mytrip deal was found by Cheapflights users on 3/25. 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 9/177:45 pmKEF - IAD
Nonstop6h 25mIcelandair
Wed 9/2411:15 pmIAD - KEF
Nonstop5h 50mIcelandair
Deal found 3/25$501
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Sat 6/2812:00 pmKEF - IAD
1 stop27h 55mUnited Airlines
Sat 7/265:15 pmIAD - KEF
1 stop9h 45mUnited Airlines
Deal found 3/25$600
This Lufthansa deal was found by Cheapflights users on 3/25. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2712:25 amKEF - IAD
1 stop19h 25mLufthansa
Mon 5/126:10 pmIAD - KEF
1 stop14h 55mLufthansa
Deal found 3/25$601
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2311:25 amKEF - IAD
1 stop12h 28mDelta
Sun 5/412:11 pmIAD - KEF
1 stop17h 19mDelta
Deal found 3/25$620
This FlightHub deal was found by Cheapflights users on 3/25. 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.
Sat 4/1212:25 amKEF - IAD
1 stop19h 25mMultiple Airlines
Tue 4/228:45 pmIAD - KEF
1 stop31h 35mMultiple Airlines
Deal found 3/25$637
This KLM deal was found by Cheapflights users on 3/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1911:25 amKEF - IAD
1 stop12h 14mKLM
Wed 5/2812:25 pmIAD - KEF
1 stop17h 05mKLM
Deal found 3/25$641
This SWISS deal was found by Cheapflights users on 3/25. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/122:50 pmKEF - IAD
1 stop29h 25mSWISS
Mon 4/2110:15 pmIAD - KEF
2 stops54h 05mSWISS
Deal found 3/25$663
This Aeromexico deal was found by Cheapflights users on 3/25. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2311:25 amKEF - IAD
2 stops17h 00mAir France
Sun 5/412:11 pmIAD - KEF
1 stop17h 19mAir France
Deal found 3/25$683
This Austrian Airlines deal was found by Cheapflights users on 3/25. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1812:10 amKEF - IAD
2 stops18h 05mAustrian Airlines
Wed 5/286:35 pmIAD - KEF
2 stops48h 45mAustrian Airlines
Deal found 3/25$772
This British Airways deal was found by Cheapflights users on 3/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:30 amKEF - IAD
1 stop13h 35mBritish Airways
Wed 5/1410:40 pmIAD - KEF
2 stops29h 20mBritish Airways
Deal found 3/24$850
This Finnair deal was found by Cheapflights users on 3/25. 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.
Sun 4/135:15 pmKEF - IAD
2 stops30h 55mFinnair
Mon 4/2110:40 pmIAD - KEF
2 stops29h 20mFinnair
Deal found 3/25$866

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 March 26, 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

Fri 5/2

10:20 am-7:59 pm

1 stop13h 39m

Washington, D.C. Dulles Intl

Fri 5/9

10:05 pm-4:20 pm

1 stop14h 15m

$481

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Wed 9/17

7:45 pm-10:10 pm

Nonstop6h 25m

Washington, D.C. Dulles Intl

Wed 9/24

11:15 pm-9:05 am

Nonstop5h 50m

$501

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Sat 6/28

12:00 pm-11:55 am

1 stop27h 55m

Washington, D.C. Dulles Intl

Sat 7/26

5:15 pm-7:00 am

1 stop9h 45m

$600

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Sun 4/27

12:25 am-3:50 pm

1 stop19h 25m

Washington, D.C. Dulles Intl

Mon 5/12

6:10 pm-1:05 pm

1 stop14h 55m

$601

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Wed 4/23

11:25 am-7:53 pm

1 stop12h 28m

Washington, D.C. Dulles Intl

Sun 5/4

12:11 pm-9:30 am

1 stop17h 19m

$620

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Sat 4/12

12:25 am-3:50 pm

1 stop19h 25m

Washington, D.C. Dulles Intl

Tue 4/22

8:45 pm-8:20 am

1 stop31h 35m

$637

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Mon 5/19

11:25 am-7:39 pm

1 stop12h 14m

Washington, D.C. Dulles Intl

Wed 5/28

12:25 pm-9:30 am

1 stop17h 05m

$641

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Sat 4/12

2:50 pm-4:15 pm

1 stop29h 25m

Washington, D.C. Dulles Intl

Mon 4/21

10:15 pm-8:20 am

2 stops54h 05m

$663

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Wed 4/23

11:25 am-12:25 am

2 stops17h 00m

Washington, D.C. Dulles Intl

Sun 5/4

12:11 pm-9:30 am

1 stop17h 19m

$683

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Sun 5/18

12:10 am-2:15 pm

2 stops18h 05m

Washington, D.C. Dulles Intl

Wed 5/28

6:35 pm-11:20 pm

2 stops48h 45m

$772

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 32 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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Reykjavik Keflavik Intl Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 26, 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 38% versus a flight at noon.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 March 26, 2025.

Boarding

8.1

Food

7.8

Overall

8.0

Crew

8.3

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Boarding

8.1

Food

7.8

Overall

8.0

Crew

8.3

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
8.0
Very good

Boarding

8.1

Food

7.8

Overall

8.0

Crew

8.3

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Boarding

8.1

Food

7.8

Overall

8.0

Crew

8.3

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Boarding

8.1

Food

7.8

Overall

8.0

Crew

8.3

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Boarding

8.1

Food

7.8

Overall

8.0

Crew

8.3

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

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.
  • What are the cheapest airlines flying from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, Scandinavian Airlines ($481), Icelandair ($501), and United Airlines ($600) offers the cheapest pricing from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What are the cheapest airlines to fly from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as $390 on Icelandair. Other airlines that offer cheap prices include British Airways from $443 and WestJet from $515 one-way.

  • 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 $358. On average you can expect to pay $1,060. The most popular route, (Reykjavik Keflavik Intl - Washington, D.C. Dulles Intl), can usually be booked for $475.

  • 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 $309). Flying from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $385). 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 Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Woodbridge
Gaithersburg
Fredericksburg
Linthicum Heights
Silver Spring
Falls Church
Laurel
Easton
Herndon
Sterling
Bowie
Gettysburg
National Harbor
Oxon Hill

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