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Keflavik Intl

$127+ Cheap flights from Washington, D.C. (WAS) 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — KEF
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Find cheap flights from Washington, D.C. to Keflavik Intl with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. to Reykjavik Keflavik Intl are usually found in November or December, booked 75 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from Washington, D.C. to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$337
(Booking.com)

One-way from

$139
(Booking.com)

Popular in

June

Cheapest in

November

Average price

$437

Good round-trip deal

$444 or less

Good one-way deal

$204 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Reykjavik Keflavik Intl flights.
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From Washington, D.C. (WAS) to Reykjavik Keflavik Intl
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One-way flight from Washington, D.C. (WAS) to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 17% potential increase in price ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 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. (WAS) to Reykjavik Keflavik Intl.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Reykjavik Keflavik Intl.
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Find flight deals from Washington, D.C. to Keflavik Intl

Cheapest flights from Washington, D.C. to Keflavik Intl
Explore the most affordable flight options available from Washington, D.C. to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This FlightHub deal was found by Cheapflights users on 4/23. 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 11/297:30 pmBWI - KEF
Nonstop5h 55mIcelandair
Fri 12/55:00 pmKEF - BWI
Nonstop6h 30mIcelandair
Deal found 4/23$348
This Gotogate deal was found by Cheapflights users on 4/23. 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 8/146:50 pmBWI - KEF
Nonstop6h 05mPLAY
Thu 8/213:05 pmKEF - BWI
Nonstop6h 35mPLAY
Deal found 4/23$349
This FlightHub deal was found by Cheapflights users on 4/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1311:15 pmIAD - KEF
Nonstop5h 50mIcelandair
Sat 9/204:50 pmKEF - IAD
Nonstop6h 30mIcelandair
Deal found 4/24$375
This oojo deal was found by Cheapflights users on 4/23. 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.
Mon 9/810:05 pmIAD - KEF
1 stop14h 15mScandinavian Airlines
Mon 9/225:10 pmKEF - IAD
1 stop30h 49mScandinavian Airlines
Deal found 4/23$405
This PLAY deal was found by Cheapflights users on 4/23. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/55:45 amBWI - KEF
1 stop19h 00mMultiple Airlines
Thu 5/153:45 pmKEF - BWI
1 stop9h 36mMultiple Airlines
Deal found 4/23$419
This Air Canada deal was found by Cheapflights users on 4/23. 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.
Wed 8/69:45 amIAD - KEF
1 stop18h 25mAir Canada
Fri 8/229:50 amKEF - IAD
2 stops31h 59mAir Canada
Deal found 4/23$520
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 8/69:45 amIAD - KEF
1 stop18h 25mUnited Airlines
Thu 8/2111:00 amKEF - IAD
1 stop9h 24mUnited Airlines
Deal found 4/23$536
This Delta deal was found by Cheapflights users on 4/23. 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.
Tue 8/59:30 amIAD - KEF
1 stop16h 50mDelta
Tue 8/1911:25 amKEF - IAD
1 stop12h 12mDelta
Deal found 4/23$541
This United deal was found by Cheapflights users on 4/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:00 amDCA - KEF
1 stop21h 00mMultiple Airlines
Wed 9/1710:00 amKEF - DCA
2 stops30h 08mMultiple Airlines
Deal found 4/23$548
This Justfly.com deal was found by Cheapflights users on 4/23. 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.
Thu 8/1412:55 pmDCA - KEF
2 stops39h 15mAir Canada
Fri 8/229:30 amKEF - DCA
1 stop10h 18mAir Canada
Deal found 4/23$551
This Travelocity deal was found by Cheapflights users on 4/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/108:45 pmIAD - KEF
1 stop31h 50mMultiple Airlines
Tue 8/199:50 amKEF - IAD
2 stops29h 43mMultiple Airlines
Deal found 4/24$553
This United Airlines deal was found by Cheapflights users on 4/23. 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 8/257:25 amDCA - KEF
1 stop21h 05mUnited Airlines
Tue 9/910:00 amKEF - DCA
1 stop26h 54mUnited Airlines
Deal found 4/23$560

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. 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 24, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Washington, D.C.

Fly to

Keflavik Intl

Route

Depart

Return

Price

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Thu 8/14

6:50 pm-4:55 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Thu 8/21

3:05 pm-5:40 pm

Nonstop6h 35m

$349

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Tue 9/2

8:30 pm-6:25 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Wed 9/10

5:00 pm-7:25 pm

Nonstop6h 25m

$360

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Sat 9/13

11:15 pm-9:05 am

Nonstop5h 50m

Reykjavik Keflavik Intl

Sat 9/20

4:50 pm-7:20 pm

Nonstop6h 30m

$375

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Mon 9/8

10:05 pm-4:20 pm

1 stop14h 15m

Reykjavik Keflavik Intl

Mon 9/22

5:10 pm-7:59 pm

1 stop30h 49m

$405

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Mon 5/5

5:45 am-4:45 am

1 stop19h 00m

Reykjavik Keflavik Intl

Thu 5/15

3:45 pm-9:21 pm

1 stop9h 36m

$419

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Wed 8/6

9:45 am-8:10 am

1 stop18h 25m

Reykjavik Keflavik Intl

Fri 8/22

9:50 am-1:49 pm

2 stops31h 59m

$520

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Wed 8/6

9:45 am-8:10 am

1 stop18h 25m

Reykjavik Keflavik Intl

Tue 8/19

11:00 am-4:24 pm

1 stop9h 24m

$536

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Tue 8/5

9:30 am-6:20 am

1 stop16h 50m

Reykjavik Keflavik Intl

Tue 8/19

11:25 am-7:37 pm

1 stop12h 12m

$541

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 9/10

6:00 am-7:00 am

1 stop21h 00m

Reykjavik Keflavik Intl

Wed 9/17

10:00 am-12:08 pm

2 stops30h 08m

$548

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 8/14

12:55 pm-8:10 am

2 stops39h 15m

Reykjavik Keflavik Intl

Fri 8/22

9:30 am-3:48 pm

1 stop10h 18m

$551

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 47 results
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Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Keflavik Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 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 Washington, D.C.-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.-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.-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.-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.-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. 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. to Reykjavik Keflavik Intl Airport trip
Airlines
PLAY

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


PLAY Flex includes priority boarding and two checked bags, ideal for longer trips.

Read more about PLAYby Victoria M. Walker
Icelandair

Icelandair's Saga Premium offers noise-cancelling headphones and generous legroom for comfort.


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

Read more about Icelandairby Bill Fink
Our travel experts
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
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

Best time to book a flight from Washington, D.C. to Keflavik Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Keflavik Intl. Price data was last updated on April 18, 2025.

The best time to book flights from Washington, D.C. to Reykjavik Keflavik Intl Airport is 75 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. to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Reykjavik Keflavik Intl Airport (average of $328). Flying from Washington, D.C. 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 WAS to KEF?

Find hourly flight availability from Washington, D.C. 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 24, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Reykjavik Keflavik Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the morning.

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 24, 2025.
To help decide which airline to fly from Washington, D.C. to Reykjavik, see what other customers have to say about Delta, KLM and SWISS. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

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
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

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
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

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
1,442 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

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
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

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 Washington, D.C. 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. to Reykjavik Keflavik Intl Airport round-trip?

    PLAY, at $337, was found to be the cheapest airline from Washington, D.C. to Reykjavik Keflavik Intl Airport.Alternate airlines to your destination round-trip include Icelandair and Lufthansa. You may be able to fly from Washington, D.C. to Reykjavik Keflavik Intl Airport for 21% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $139 on PLAY. Other airlines that offer cheap prices include WorldTicket from $356 and Icelandair from $381 one-way.

  • What are the most popular routes from Washington, D.C. to Reykjavik Keflavik Intl Airport?

    Most travelers choose Washington, D.C. Dulles Intl - Reykjavik Keflavik Intl, Baltimore/Washington - Reykjavik Keflavik Intl or Washington, D.C. Reagan-National - Reykjavik Keflavik Intl when deciding on the best route from Washington, D.C. to Reykjavik Keflavik Intl Airport.

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

    While on average a flight from Washington, D.C. to Reykjavik Keflavik Intl Airport is generally $1,124, our data shows the cheapest flight currently is $195. When looking at the most popular route, (Washington, D.C. Dulles Intl - Reykjavik Keflavik Intl), you can expect to pay $341 for that flight.

  • Can I find deals for flights from Washington, D.C. to Keflavik Intl that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to Keflavik Intl?

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

  • Can I find deals for business class flights from Washington, D.C. to Keflavik Intl?

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

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

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Alternative routes for Washington, D.C. to Keflavik Intl

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

Top 3 airlines flying from Washington, D.C. to Keflavik Intl

Discover the top 3 airlines that operate flights from Washington, D.C. 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 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$234Average$364FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$355Average$526FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$756Average$787FlexibilityNo cancel feeOn-time62%

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