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Washington, D.C.

$387+ 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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — WAS
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
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 January 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$499
(Mytrip)

One-way from

$387
(Mytrip)

Popular in

March

Cheapest in

February

Average price

$362

Good round-trip deal

$1,390 or less

Good one-way deal

$504 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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High demand for flights, 6% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 12, 2026.

This Mytrip deal was found by Cheapflights users on 1/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/105:00 pm
KEF
-
BWI
Nonstop6h 40m
Icelandair
Tue 2/177:40 pm
BWI
-
KEF
Nonstop5h 50m
Icelandair
Deal found 1/11$499
This Cheapflightsfares deal was found by Cheapflights users on 1/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/135:00 pm
KEF
-
BWI
Nonstop6h 40m
Icelandair
Sun 1/187:40 pm
BWI
-
KEF
Nonstop5h 50m
Icelandair
Deal found 1/12$502
This Sembo deal was found by Cheapflights users on 1/12. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:00 pm
KEF
-
BWI
Nonstop6h 25m
Icelandair
Thu 10/18:30 pm
BWI
-
KEF
Nonstop5h 55m
Icelandair
Deal found 1/12$511
This Icelandair deal was found by Cheapflights users on 1/12. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:05 pm
KEF
-
BWI
Nonstop6h 25m
Icelandair
Thu 10/111:35 pm
BWI
-
KEF
Nonstop5h 50m
Icelandair
Deal found 1/12$517
This Mytrip deal was found by Cheapflights users on 1/12. 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 1/154:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Wed 1/217:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Deal found 1/12$522
This Cheapflightsfares deal was found by Cheapflights users on 1/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/134:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Sun 1/187:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Deal found 1/12$528
This Icelandair deal was found by Cheapflights users on 1/12. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:05 pm
KEF
-
BWI
Nonstop6h 25m
Icelandair
Sat 10/38:30 pm
BWI
-
KEF
Nonstop5h 55m
Icelandair
Deal found 1/12$532
This Mytrip deal was found by Cheapflights users on 1/12. 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 2/275:00 pm
KEF
-
BWI
Nonstop6h 40m
Icelandair
Fri 3/67:40 pm
BWI
-
KEF
Nonstop5h 50m
Icelandair
Deal found 1/12$575
This FlightHub deal was found by Cheapflights users on 1/11. 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 2/105:35 pm
KEF
-
IAD
1 stop28h 40m
Scandinavian Airlines
Tue 2/1712:24 pm
IAD
-
KEF
2 stops17h 21m
Scandinavian Airlines
Deal found 1/11$653
This Sembo deal was found by Cheapflights users on 1/12. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/154:50 pm
KEF
-
DCA
1 stop11h 09m
Multiple Airlines
Wed 1/211:00 pm
DCA
-
KEF
1 stop12h 05m
Multiple Airlines
Deal found 1/12$683
This United Airlines deal was found by Cheapflights users on 1/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:30 am
KEF
-
IAD
Nonstop6h 25m
United Airlines
Sat 7/2510:55 pm
IAD
-
KEF
Nonstop5h 55m
United Airlines
Deal found 1/11$690
This Air Canada deal was found by Cheapflights users on 1/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:00 am
KEF
-
IAD
2 stops32h 03m
Air Canada
Sat 7/254:25 pm
IAD
-
KEF
1 stop12h 20m
Air Canada
Deal found 1/11$693

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 January 12, 2026.
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

Tue 2/10

5:00 pm-6:40 pm

Nonstop6h 40m

Baltimore/Washington

Tue 2/17

7:40 pm-6:30 am

Nonstop5h 50m

$499

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Tue 2/24

5:00 pm-6:40 pm

Nonstop6h 40m

Baltimore/Washington

Tue 3/3

7:40 pm-6:30 am

Nonstop5h 50m

$499

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Thu 4/30

8:05 pm-10:30 pm

Nonstop6h 25m

Baltimore/Washington

Thu 10/1

8:30 pm-6:25 am

Nonstop5h 55m

$517

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Thu 4/30

5:00 pm-7:25 pm

Nonstop6h 25m

Baltimore/Washington

Tue 9/29

8:30 pm-6:25 am

Nonstop5h 55m

$517

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Wed 4/29

5:00 pm-7:25 pm

Nonstop6h 25m

Baltimore/Washington

Mon 9/28

8:30 pm-6:25 am

Nonstop5h 55m

$517

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Wed 4/29

5:00 pm-7:25 pm

Nonstop6h 25m

Baltimore/Washington

Wed 9/30

8:30 pm-6:25 am

Nonstop5h 55m

$517

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Tue 4/28

8:05 pm-10:30 pm

Nonstop6h 25m

Baltimore/Washington

Sat 10/3

11:35 pm-9:25 am

Nonstop5h 50m

$517

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Thu 4/30

5:00 pm-7:25 pm

Nonstop6h 25m

Baltimore/Washington

Fri 10/2

8:30 pm-6:25 am

Nonstop5h 55m

$517

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Thu 4/30

8:05 pm-10:30 pm

Nonstop6h 25m

Baltimore/Washington

Sun 10/4

8:30 pm-6:25 am

Nonstop5h 55m

$517

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Thu 4/30

8:05 pm-10:30 pm

Nonstop6h 25m

Baltimore/Washington

Wed 9/30

8:30 pm-6:25 am

Nonstop5h 55m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

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 January.
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 January 12, 2026.

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.

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

Explore weekly flight availability from Keflavik Intl to Washington, D.C.. 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 January 12, 2026.

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

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated January 12, 2026.
Peruse reviews from past customers who have flown with Icelandair from Reykjavik Keflavik Intl Airport to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.1
Good
595 reviews

Food

6.2

Comfort

7.0

Overall

7.1

Entertainment

7.0

Crew

8.0

Boarding

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.
Icelandair
7.1
Good
595 reviews
Icelandair
7.1
Good
595 reviews

Food

6.2

Comfort

7.0

Overall

7.1

Entertainment

7.0

Crew

8.0

Boarding

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.

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, Scandinavian Airlines, and British Airways 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 22h. There are 2754 mi between Reykjavik Keflavik Intl Airport and Washington, D.C.. This flight may include one or multiple stops.

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

    Most travelers choose Reykjavik Keflavik Intl - Baltimore/Washington, Reykjavik Keflavik Intl - Washington, D.C. Dulles Intl 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 $954, our data shows the cheapest flight currently is $447. When looking at the most popular route, (Reykjavik Keflavik Intl - Baltimore/Washington), you can expect to pay $491 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
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Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
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McLean
Clinton
Herndon

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