Keflavik Intl

$275+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KEF
ene. 21 — ene. 281
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Keflavik Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Washington, D.C. Dulles Intl to Reykjavik Keflavik Intl are usually found in November or October, booked 16 days in advance, depart on a Monday or Sunday and return on a Tuesday

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 enero 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$355
(Ticket)

One-way from

$275
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$454
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Reykjavik Keflavik Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Reykjavik Keflavik Intl flights.
From Washington, D.C. Dulles Intl to Reykjavik Keflavik Intl
One-way flight from Washington, D.C. Dulles Intl to Reykjavik Keflavik Intl
High demand for flights, 11% potential price rise
Best time to find cheap flights, 1% potential price drop
Average for round-trip flights in January 2025

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 enero 16, 2025.

This Ticket deal was found by Cheapflights users on 1/16. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/17:40 pmIAD - KEF
Nonstop5h 55mIcelandair
vie. 2/74:50 pmKEF - IAD
Nonstop6h 35mIcelandair
Deal found 1/16$355
This oojo deal was found by Cheapflights users on 1/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/195:10 pmIAD - KEF
1 stop12h 30mScandinavian Airlines
mar. 2/2512:00 pmKEF - IAD
2 stops32h 40mScandinavian Airlines
Deal found 1/16$472
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 1/266:00 pmIAD - KEF
1 stop11h 55mBritish Airways
mié. 2/1211:45 amKEF - IAD
1 stop13h 00mBritish Airways
Deal found 1/15$504
This Delta deal was found by Cheapflights users on 1/16. 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.
mar. 4/112:15 pmIAD - KEF
1 stop17h 15mDelta
dom. 4/611:25 amKEF - IAD
1 stop12h 16mDelta
Deal found 1/16$544
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/239:55 pmIAD - KEF
1 stop32h 00mAmerican Airlines
mar. 1/2811:45 amKEF - IAD
1 stop13h 00mAmerican Airlines
Deal found 1/16$554
This Finnair deal was found by Cheapflights users on 1/16. 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.
mar. 2/49:55 pmIAD - KEF
2 stops30h 20mFinnair
jue. 2/1310:00 amKEF - IAD
2 stops34h 35mFinnair
Deal found 1/16$565
This FlightHub deal was found by Cheapflights users on 1/16. 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.
lun. 3/315:25 pmIAD - KEF
1 stop25h 55mMultiple Airlines
lun. 4/712:25 amKEF - IAD
1 stop19h 25mMultiple Airlines
Deal found 1/16$574
This Lufthansa deal was found by Cheapflights users on 1/16. 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.
mar. 4/111:05 pmIAD - KEF
2 stops20h 30mLufthansa
lun. 4/712:25 amKEF - IAD
1 stop19h 25mLufthansa
Deal found 1/16$578
This Air Canada deal was found by Cheapflights users on 1/16. 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.
mié. 9/1010:25 amIAD - KEF
1 stop18h 10mAir Canada
dom. 9/1410:00 amKEF - IAD
1 stop25h 44mAir Canada
Deal found 1/16$588
This KLM deal was found by Cheapflights users on 1/16. 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.
mié. 4/231:54 pmIAD - KEF
2 stops15h 36mKLM
lun. 4/2811:25 amKEF - IAD
2 stops16h 44mKLM
Deal found 1/16$608

Find flights from Dulles Intl to Keflavik Intl within your budget

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 enero 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

sáb. 2/1

7:40 pm-6:35 am

Nonstop5h 55m

Reykjavik Keflavik Intl

vie. 2/7

4:50 pm-6:25 pm

Nonstop6h 35m

$355

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

mié. 2/19

5:10 pm-10:40 am

1 stop12h 30m

Reykjavik Keflavik Intl

mar. 2/25

12:00 pm-3:40 pm

2 stops32h 40m

$472

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

dom. 1/26

6:00 pm-10:55 am

1 stop11h 55m

Reykjavik Keflavik Intl

mié. 2/12

11:45 am-7:45 pm

1 stop13h 00m

$504

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

mar. 4/1

12:15 pm-9:30 am

1 stop17h 15m

Reykjavik Keflavik Intl

dom. 4/6

11:25 am-7:41 pm

1 stop12h 16m

$544

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

lun. 3/10

10:55 pm-9:15 am

2 stops30h 20m

Reykjavik Keflavik Intl

jue. 3/20

10:00 am-4:35 pm

2 stops34h 35m

$565

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

lun. 3/31

5:25 pm-11:20 pm

1 stop25h 55m

Reykjavik Keflavik Intl

lun. 4/7

12:25 am-3:50 pm

1 stop19h 25m

$574

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

mar. 4/1

11:05 pm-11:35 pm

2 stops20h 30m

Reykjavik Keflavik Intl

lun. 4/7

12:25 am-3:50 pm

1 stop19h 25m

$578

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

mié. 4/23

1:54 pm-9:30 am

2 stops15h 36m

Reykjavik Keflavik Intl

dom. 4/27

11:25 am-7:53 pm

1 stop12h 28m

$608

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

vie. 4/11

7:00 am-4:35 am

1 stop17h 35m

$275

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

dom. 3/9

6:10 pm-10:40 am

1 stop12h 30m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 21 results
1
2
3

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice 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 Washington, D.C. Dulles Intl Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >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 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 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.

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.

Travel insights for flights from Dulles Intl to Keflavik Intl

Get recent, data-driven insights about flights from Dulles Intl to Keflavik Intl including ideal travel times, pricing trends, and more.

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 January 10, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Reykjavik Keflavik Intl Airport is 16 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 June is currently the most expensive (average of $662). 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 enero 16, 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 34% versus a flight at noon.

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 enero 16, 2025.
Get a feel of what it's like to fly with Finnair, Icelandair and Scandinavian Airlines 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.
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

8.0
Very good
8,511 reviews
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

7.8
Good
1,339 reviews
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

7.6
Good
1,285 reviews
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

7.5
Good
1,598 reviews
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

7.3
Good
3,921 reviews
8.0
Very good
8,511 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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 $355, 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 British Airways. Icelandair is 25% 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?

    $313 is the cheapest one-way deal found within the past few days, from Scandinavian Airlines. You may also be able to find cheap deals on Icelandair and British Airways, with prices starting from $330 and $459, 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 $1,265, our data shows the cheapest flight currently is $186. When looking at the most popular route, (Washington, D.C. Dulles Intl - Reykjavik Keflavik Intl), you can expect to pay $364 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 June is currently the most expensive (average of $662). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Keflavik Intl

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

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 enero 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$242Average$375FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$414Average$562FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$729Average$787FlexibilityNo cancel feeOn-time62%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.