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Keflavik Intl

$132+ Cheap flights from Dulles Intl (IAD) to Keflavik Intl (KEF)

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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KEF
May 3 — May 101
Sat 5/3
Sat 5/10
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Reykjavik Keflavik Intl are usually found in November or October, booked 81 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from Dulles Intl to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Keflavik Intl (KEF). 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 April 28, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$375
(FlightHub)

One-way from

$132
(Vakatrip)

Popular in

June

Cheapest in

November

Average price

$496

Good round-trip deal

$490 or less

Good one-way deal

$294 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Reykjavik Keflavik Intl flights.
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From Washington, D.C. Dulles Intl to Reykjavik Keflavik Intl
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One-way flight from Washington, D.C. Dulles Intl to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 12% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Reykjavik Keflavik Intl.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Reykjavik Keflavik Intl.
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Find flight deals from Dulles Intl to Keflavik Intl

Cheapest flights from Dulles Intl to Keflavik Intl
Explore the most affordable flight options available from Dulles Intl to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2025.

This FlightHub deal was found by Cheapflights users on 4/28. 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.
Fri 9/128:30 pmIAD - KEF
Nonstop5h 55mIcelandair
Fri 9/197:45 pmKEF - IAD
Nonstop6h 25mIcelandair
Deal found 4/28$375
This FlightHub deal was found by Cheapflights users on 4/28. 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 11/258:30 pmIAD - KEF
2 stops33h 15mScandinavian Airlines
Mon 12/111:30 amKEF - IAD
1 stop34h 45mScandinavian Airlines
Deal found 4/28$402
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Tue 4/2912:55 pmIAD - KEF
2 stops13h 30mMultiple Airlines
Tue 5/64:55 pmKEF - IAD
2 stops22h 25mMultiple Airlines
Deal found 4/28$493
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 8/181:20 pmIAD - KEF
1 stop15h 10mUnited Airlines
Mon 8/259:50 amKEF - IAD
2 stops31h 59mUnited Airlines
Deal found 4/27$549
This Air Canada deal was found by Cheapflights users on 4/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/188:18 amIAD - KEF
2 stops19h 57mAir Canada
Mon 8/259:50 amKEF - IAD
2 stops35h 40mAir Canada
Deal found 4/27$551

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Keflavik 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 April 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Dulles Intl

Fly to

Keflavik Intl

Route

Depart

Return

Price

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Fri 9/12

8:30 pm-6:25 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Fri 9/19

7:45 pm-10:10 pm

Nonstop6h 25m

$375

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Sun 8/31

10:05 pm-4:20 pm

1 stop14h 15m

Reykjavik Keflavik Intl

Mon 9/8

5:10 pm-7:59 pm

1 stop30h 49m

$405

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Mon 8/18

1:20 pm-8:30 am

1 stop15h 10m

Reykjavik Keflavik Intl

Mon 8/25

9:50 am-1:49 pm

2 stops31h 59m

$549

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Mon 8/18

8:18 am-8:15 am

2 stops19h 57m

Reykjavik Keflavik Intl

Mon 8/25

9:50 am-5:30 pm

2 stops35h 40m

$551

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Fri 9/12

8:40 am-7:00 am

1 stop18h 20m

Reykjavik Keflavik Intl

Fri 9/19

10:00 am-9:05 pm

1 stop15h 05m

$590

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Thu 10/9

5:10 pm-9:30 am

1 stop12h 20m

Reykjavik Keflavik Intl

Tue 10/14

11:25 am-12:07 am

2 stops16h 42m

$617

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Wed 6/11

11:15 pm-9:05 am

Nonstop5h 50m

$132

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Wed 8/27

6:45 pm-8:15 am

1 stop33h 30m

$314

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Sat 6/7

7:06 am-8:15 am

3 stops45h 09m

$372

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Wed 9/17

10:05 pm-3:20 pm

1 stop13h 15m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 17 results
1
2

Compare providers for flights from Dulles Intl to Keflavik 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 Dulles Intl to Keflavik Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
GotogatePrice Accuracy3 starsTrust Score*2 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 Washington, D.C. Dulles Intl Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 Washington, D.C. Dulles Intl Airport-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport trip
Airlines
Icelandair

Icelandair’s Stopover program allows a 3-7 day Iceland visit at no extra charge.


Saga Premium offers noise-cancelling headphones and generous legroom for a comfortable journey.

Read more about Icelandairby Bill Fink
PLAY

PLAY’s Basic Plus fare includes priority boarding and a carry-on bag.


PLAY offers a free stopover in Reykjavik for up to 10 days.

Read more about PLAYby Victoria M. Walker
Our travel experts
Bill Fink

Bill Fink

Expert on Icelandair

Bill Fink

Bill Fink

Bill is an award-winning travel writer with extensive credits covering airlines and the aviation industry for publications including AARP, AFAR, The Points Guy and Yahoo. Based in Portland, Oregon, Bill has traveled to more than 75 countries - and been late for his flight in most of them. He once achieved top-level frequent flier status for all of American, Delta and United Airlines during a single year.

Read more
Victoria M. Walker

Victoria M. Walker

Expert on PLAY

Victoria M. Walker

Victoria M. Walker

Victoria M. Walker is an award-winning travel reporter who writes the “Carrying On” newsletter. Victoria writes about airlines and hotels and fell in love with travel after her first flight in 2014. She was raised in Virginia and is based in Brooklyn, NY. She is interested in finding the best pizza and coffee in every city she visits.

Read more

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

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Dulles 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 Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Keflavik Intl. Price data was last updated on April 25, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport (average of $328). Flying from Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). 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.

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

Find hourly flight availability from Dulles Intl to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 28, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik 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 16% versus a flight at noon.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport

Explore weekly flight availability from Dulles Intl to Keflavik Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 28, 2025.

The most flights from IAD to KEF are scheduled on a Wednesday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Keflavik Intl by month

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

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

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

If weather is an important factor for your trip to Reykjavik Keflavik 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 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik 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 Keflavik Intl. Reviews last updated April 28, 2025.
Get a feel of what it's like to fly with Delta, KLM and SWISS from Washington, D.C. to Reykjavik by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,587 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,444 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Keflavik 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 Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport round-trip?

    Icelandair, at $375, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport.Alternate airlines to your destination round-trip include Scandinavian Airlines and United Airlines. Icelandair is 24% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $132 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Virgin Atlantic and Air Canada, with prices starting from $398 and $410, respectively.

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

    While on average a flight from Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport is generally $1,223, our data shows the cheapest flight currently is $199. When looking at the most popular route, (Washington, D.C. Dulles Intl - Reykjavik Keflavik Intl), you can expect to pay $336 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Keflavik 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 Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport (average of $328). Flying from Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). 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
Keflavik

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Alternative routes for Dulles Intl to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Keflavik Intl flights
Reagan-National to Keflavik Intl flights

Top 3 airlines flying from Dulles Intl to Keflavik Intl

Discover the top 3 airlines that operate flights from Dulles Intl to Keflavik 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 April 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$259Average$373FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$407Average$561FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$756Average$787FlexibilityNo cancel feeOn-time62%

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