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$325+ Cheap flights from Keflavik Intl (KEF) to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — WAS
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Cheap flight deals from Keflavik Intl to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Washington, D.C. (WAS). 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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$325
(Ticket)

Popular in

March

Cheapest in

February

Average price

$246

Good round-trip deal

$1,390 or less

Good one-way deal

$288 or less
Provider with most accurate pricing for Reykjavik Keflavik Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Washington, D.C. (WAS) flights.
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From Reykjavik Keflavik Intl to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Reykjavik Keflavik Intl to Washington, D.C. (WAS).
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Find flight deals from Keflavik Intl to Washington, D.C.

Cheapest flights from Keflavik Intl to Washington, D.C.
Explore the most affordable flight options available from Keflavik Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

This Ticket deal was found by Cheapflights users on 10/13. 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.
Thu 10/305:00 pmKEF - BWI
Nonstop6h 40mIcelandair
Sat 11/87:40 pmBWI - KEF
Nonstop5h 50mIcelandair
Deal found 10/13$325
This Flighttix deal was found by Cheapflights users on 10/12. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/304:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Sat 11/87:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 10/12$492
This Flightnetwork deal was found by Cheapflights users on 10/13. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:00 pmKEF - BWI
Nonstop6h 40mIcelandair
Sat 11/87:40 pmBWI - KEF
Nonstop5h 50mIcelandair
Deal found 10/13$523
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/234:55 pmKEF - BWI
1 stop10h 54mMultiple Airlines
Thu 10/3011:09 amBWI - KEF
1 stop15h 21mMultiple Airlines
Deal found 10/12$543
This Mytrip deal was found by Cheapflights users on 10/12. 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.
Thu 11/275:00 pmKEF - BWI
Nonstop6h 40mIcelandair
Thu 12/47:40 pmBWI - KEF
Nonstop5h 50mIcelandair
Deal found 10/12$567
This Gotogate deal was found by Cheapflights users on 10/12. 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 10/234:50 pmKEF - IAD
Nonstop6h 30mIcelandair
Thu 10/308:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 10/12$574
This Booking.com deal was found by Cheapflights users on 10/14. 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 11/285:00 pmKEF - BWI
Nonstop6h 40mIcelandair
Fri 12/57:40 pmBWI - KEF
Nonstop5h 50mIcelandair
Deal found 10/14$577
This Mytrip deal was found by Cheapflights users on 10/12. 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.
Thu 11/274:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Thu 12/47:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 10/12$596
This Mytrip deal was found by Cheapflights users on 10/12. 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.
Fri 12/55:00 pmKEF - BWI
2 stops20h 29mMultiple Airlines
Thu 12/117:57 pmBWI - KEF
2 stops29h 08mMultiple Airlines
Deal found 10/12$629
This Flightnetwork deal was found by Cheapflights users on 10/14. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:00 pmKEF - BWI
Nonstop6h 25mIcelandair
Tue 11/47:40 pmBWI - KEF
Nonstop5h 50mIcelandair
Deal found 10/14$655
This Icelandair deal was found by Cheapflights users on 10/13. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:00 pmKEF - BWI
Nonstop6h 40mMultiple Airlines
Sat 11/81:25 pmBWI - KEF
1 stop12h 05mMultiple Airlines
Deal found 10/13$656
This Billigflug deal was found by Cheapflights users on 10/14. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:00 pmKEF - DCA
1 stop21h 00mIcelandair
Sat 11/86:00 pmDCA - KEF
1 stop22h 45mIcelandair
Deal found 10/14$663

Cheapflights Fare Finder

 
Customize your flight search to find flights from Keflavik Intl to Washington, D.C. 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 October 14, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Washington, D.C. that are best for you.

Fly from

Keflavik Intl

Fly to

Washington, D.C.

Route

Depart

Return

Price

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Thu 10/30

5:00 pm-7:40 pm

Nonstop6h 40m

Baltimore/Washington

Sat 11/8

7:40 pm-6:30 am

Nonstop5h 50m

$325

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Sat 11/1

5:00 pm-7:40 pm

Nonstop6h 40m

Baltimore/Washington

Sat 11/8

7:40 pm-6:30 am

Nonstop5h 50m

$523

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 10/30

4:50 pm-7:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Sat 11/8

7:40 pm-6:35 am

Nonstop5h 55m

$524

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Fri 11/28

5:00 pm-6:40 pm

Nonstop6h 40m

Baltimore/Washington

Fri 12/5

7:40 pm-6:30 am

Nonstop5h 50m

$577

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 11/27

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Thu 12/4

7:40 pm-6:35 am

Nonstop5h 55m

$596

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Mon 11/24

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Sun 11/30

7:40 pm-6:35 am

Nonstop5h 55m

$608

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Fri 12/5

5:00 pm-8:29 am

2 stops20h 29m

Baltimore/Washington

Thu 12/11

7:57 pm-6:05 am

2 stops29h 08m

$629

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 11/28

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Fri 12/5

7:40 pm-6:35 am

Nonstop5h 55m

$653

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Fri 10/24

5:00 pm-7:25 pm

Nonstop6h 25m

Baltimore/Washington

Tue 11/4

7:40 pm-6:30 am

Nonstop5h 50m

$655

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Thu 10/30

5:00 pm-7:40 pm

Nonstop6h 40m

Baltimore/Washington

Sat 11/8

1:25 pm-6:30 am

1 stop12h 05m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 54 results
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Compare providers for flights from Keflavik Intl to Washington, D.C.

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 Washington, D.C. in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 Reykjavik Keflavik Intl Airport-Washington, D.C. 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. 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. 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. 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. 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 Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

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

Find hourly flight availability from Keflavik Intl to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Reykjavik Keflavik Intl Airport to Washington, D.C. as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to Washington, D.C.. 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.?

    Icelandair and American Airlines can get you from Reykjavik Keflavik Intl Airport to Washington, D.C. in just under 6h 40m. Your travel time can differ by up to 20h 14m. There are 2754 mi between Reykjavik Keflavik Intl Airport and Washington, D.C.. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Reykjavik Keflavik Intl Airport to Washington, D.C. round-trip?

    Icelandair, at $476, was found to be the cheapest airline from Reykjavik Keflavik Intl Airport to Washington, D.C...

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

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

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

    While on average a flight from Reykjavik Keflavik Intl Airport to Washington, D.C. is generally $955, our data shows the cheapest flight currently is $435. When looking at the most popular route, (Reykjavik Keflavik Intl - Washington, D.C. Dulles Intl), you can expect to pay $534 for that flight.

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

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

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

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

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

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Arlington
Tysons
Springfield
Silver Spring
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf

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Top airline flying from Keflavik Intl to Washington, D.C.

Discover the top airline that operate flights from Keflavik Intl to Washington, D.C.. 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$476Average$650FlexibilityNo cancel feeOn-time76%

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