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Washington, D.C.

$386+ Cheap flights from Keflavik Intl (KEF) to Washington, D.C. (WAS)

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — WAS
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$490
(Cheapflightsfares)

One-way from

$386
(Mytrip)

Popular in

March

Cheapest in

December

Average price

$328

Good round-trip deal

$1,390 or less

Good one-way deal

$397 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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One-way flight from Reykjavik Keflavik Intl to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 13, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:00 pmKEF - BWI
Nonstop6h 40mIcelandair
Wed 4/228:30 pmBWI - KEF
Nonstop5h 55mIcelandair
Deal found 11/11$490
This Flighttix deal was found by Cheapflights users on 11/12. 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 12/45:00 pmKEF - BWI
Nonstop6h 40mIcelandair
Wed 12/107:40 pmBWI - KEF
Nonstop5h 50mIcelandair
Deal found 11/12$491
This Travelis deal was found by Cheapflights users on 11/13. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Wed 12/107:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 11/13$499
This FlightHub deal was found by Cheapflights users on 11/11. 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 12/165:00 pmKEF - BWI
Nonstop6h 40mIcelandair
Tue 3/248:40 pmBWI - KEF
Nonstop5h 50mIcelandair
Deal found 11/11$504
This Flighttix deal was found by Cheapflights users on 11/11. 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.
Tue 12/165:00 pmKEF - BWI
Nonstop6h 40mIcelandair
Thu 3/128:40 pmBWI - KEF
Nonstop5h 50mIcelandair
Deal found 11/11$512
This Icelandair deal was found by Cheapflights users on 11/11. 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.
Tue 12/165:00 pmKEF - BWI
Nonstop6h 40mIcelandair
Wed 5/208:30 pmBWI - KEF
Nonstop5h 55mIcelandair
Deal found 11/11$516
This Cheapflightsfares deal was found by Cheapflights users on 11/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/164:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Wed 4/228:30 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 11/11$525
This Cheapflightsfares deal was found by Cheapflights users on 11/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:00 pmKEF - BWI
Nonstop6h 40mIcelandair
Sun 1/187:40 pmBWI - KEF
Nonstop5h 50mIcelandair
Deal found 11/11$533
This Cheapflightsfares deal was found by Cheapflights users on 11/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/164:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Sat 9/58:30 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 11/11$536
This Icelandair deal was found by Cheapflights users on 11/11. 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.
Sat 12/135:00 pmKEF - BWI
Nonstop6h 40mIcelandair
Sat 9/511:35 pmBWI - KEF
Nonstop5h 50mIcelandair
Deal found 11/11$537
This FlightHub deal was found by Cheapflights users on 11/11. 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 12/164:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Tue 3/248:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 11/11$541
This Gurufare deal was found by Cheapflights users on 11/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:00 pmKEF - BWI
Nonstop6h 40mIcelandair
Sun 1/47:40 pmBWI - KEF
Nonstop5h 50mIcelandair
Deal found 11/12$545

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 November 13, 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 12/4

5:00 pm-6:40 pm

Nonstop6h 40m

Baltimore/Washington

Wed 12/10

7:40 pm-6:30 am

Nonstop5h 50m

$491

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 12/4

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Wed 12/10

7:40 pm-6:35 am

Nonstop5h 55m

$499

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Thu 4/30

5:00 pm-7:25 pm

Nonstop6h 25m

Baltimore/Washington

Mon 5/4

8:30 pm-6:25 am

Nonstop5h 55m

$514

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Mon 12/15

5:00 pm-6:40 pm

Nonstop6h 40m

Baltimore/Washington

Tue 9/8

11:35 pm-9:25 am

Nonstop5h 50m

$516

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Tue 12/16

5:00 pm-6:40 pm

Nonstop6h 40m

Baltimore/Washington

Sat 3/14

8:40 pm-6:30 am

Nonstop5h 50m

$516

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Mon 12/15

5:00 pm-6:40 pm

Nonstop6h 40m

Baltimore/Washington

Mon 9/7

8:30 pm-6:25 am

Nonstop5h 55m

$516

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Tue 12/16

5:00 pm-6:40 pm

Nonstop6h 40m

Baltimore/Washington

Wed 5/20

8:30 pm-6:25 am

Nonstop5h 55m

$516

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Tue 12/16

5:00 pm-6:40 pm

Nonstop6h 40m

Baltimore/Washington

Sun 3/15

8:40 pm-6:30 am

Nonstop5h 50m

$516

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Tue 12/16

5:00 pm-6:40 pm

Nonstop6h 40m

Baltimore/Washington

Wed 9/2

8:30 pm-6:25 am

Nonstop5h 55m

$516

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Tue 12/16

5:00 pm-6:40 pm

Nonstop6h 40m

Baltimore/Washington

Tue 9/8

8:30 pm-6:25 am

Nonstop5h 55m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 55 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 November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice 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. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Reykjavik Keflavik Intl Airport-Washington, D.C. flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 November 13, 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 can get you from Reykjavik Keflavik Intl Airport to Washington, D.C. in just under 6h 40m. Your travel time will be generally consistent. There are 2754 mi between Reykjavik Keflavik Intl Airport and Washington, D.C.. All flights are typically nonstop.

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

    One-way options have recently been found by users for as low as $386 on Icelandair. Other airlines that offer cheap prices include Finnair from $493 and British Airways from $540 one-way.

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

    Most travelers choose Reykjavik Keflavik Intl - Washington, D.C. Reagan-National, Reykjavik Keflavik Intl - Baltimore/Washington or Reykjavik Keflavik Intl - Washington, D.C. Dulles Intl 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 $920, our data shows the cheapest flight currently is $428. When looking at the most popular route, (Reykjavik Keflavik Intl - Washington, D.C. Reagan-National), you can expect to pay $694 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
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Fairfax
Fredericksburg
Falls Church
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Browse thousands of different options on Cheapflights for your next trip

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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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$476Average$650FlexibilityNo cancel feeOn-time76%

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