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Washington, D.C.

$180+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — WAS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$266
(Mytrip)

One-way from

$180
(Booking.com)

Popular in

March

Cheapest in

September

Average price

$271

Good round-trip deal

$242 or less

Good one-way deal

$271 or less
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. 25% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sat 10/113:05 pmKEF - BWI
Nonstop6h 35mPLAY
Sat 10/186:50 pmBWI - KEF
Nonstop6h 05mPLAY
Deal found 9/10$266
This SmartFares deal was found by Cheapflights users on 9/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Mon 11/177:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 9/9$337
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Wed 9/173:05 pmKEF - BWI
Nonstop6h 35mPLAY
Wed 9/246:50 pmBWI - KEF
Nonstop6h 05mPLAY
Deal found 9/10$346
This Mytrip deal was found by Cheapflights users on 9/10. 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 9/193:05 pmKEF - BWI
Nonstop6h 35mPLAY
Thu 9/256:50 pmBWI - KEF
Nonstop6h 05mPLAY
Deal found 9/10$347
This PLAY deal was found by Cheapflights users on 9/9. 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.
Tue 9/93:05 pmKEF - BWI
Nonstop6h 35mPLAY
Sat 9/136:50 pmBWI - KEF
Nonstop6h 05mPLAY
Deal found 9/9$350
This PLAY deal was found by Cheapflights users on 9/10. 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.
Wed 9/103:05 pmKEF - BWI
Nonstop6h 35mPLAY
Sun 9/146:50 pmBWI - KEF
Nonstop6h 05mPLAY
Deal found 9/10$362
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sun 9/143:05 pmKEF - BWI
Nonstop6h 35mPLAY
Sun 9/216:50 pmBWI - KEF
Nonstop6h 05mPLAY
Deal found 9/10$365
This Mytrip deal was found by Cheapflights users on 9/10. 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 10/103:05 pmKEF - BWI
Nonstop6h 35mPLAY
Fri 10/176:50 pmBWI - KEF
Nonstop6h 05mPLAY
Deal found 9/10$390
This flugladen.de deal was found by Cheapflights users on 9/10. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Thu 11/207:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 9/10$475
This SmartFares deal was found by Cheapflights users on 9/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:00 pmKEF - BWI
Nonstop6h 40mIcelandair
Mon 11/177:40 pmBWI - KEF
Nonstop5h 50mIcelandair
Deal found 9/9$517
This SmartFares deal was found by Cheapflights users on 9/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Mon 11/107:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Deal found 9/11$543
This Gotogate deal was found by Cheapflights users on 9/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:30 amKEF - IAD
1 stop36h 20mScandinavian Airlines
Mon 11/108:30 pmIAD - KEF
1 stop33h 15mScandinavian Airlines
Deal found 9/11$581

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 September 11, 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

Sat 10/11

3:05 pm-5:40 pm

Nonstop6h 35m

Baltimore/Washington

Sat 10/18

6:50 pm-4:55 am

Nonstop6h 05m

$267

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 11/13

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Mon 11/17

7:40 pm-6:35 am

Nonstop5h 55m

$337

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Fri 10/10

3:05 pm-5:40 pm

Nonstop6h 35m

Baltimore/Washington

Fri 10/17

6:50 pm-4:55 am

Nonstop6h 05m

$390

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Mon 11/10

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Thu 11/20

7:40 pm-6:35 am

Nonstop5h 55m

$475

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Thu 11/13

5:00 pm-6:40 pm

Nonstop6h 40m

Baltimore/Washington

Mon 11/17

7:40 pm-6:30 am

Nonstop5h 50m

$517

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 11/6

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Mon 11/10

7:40 pm-6:35 am

Nonstop5h 55m

$543

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 11/7

11:30 am-6:50 pm

1 stop36h 20m

Washington, D.C. Dulles Intl

Mon 11/10

8:30 pm-10:45 am

1 stop33h 15m

$581

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Sat 10/11

7:45 pm-10:10 pm

Nonstop6h 25m

Washington, D.C. Dulles Intl

Sat 10/18

8:30 pm-6:25 am

Nonstop5h 55m

$590

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Sat 10/11

3:05 pm-5:40 pm

Nonstop6h 35m

Baltimore/Washington

Sat 10/18

5:39 pm-6:20 am

1 stop8h 41m

$608

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

Mon 11/10

5:00 pm-6:40 pm

Nonstop6h 40m

Baltimore/Washington

Thu 11/20

7:40 pm-6:30 am

Nonstop5h 50m

$615

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 56 results
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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 September 11, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 21% on flights from Reykjavik Keflavik Intl Airport to Washington, D.C. by exploring options for tickets in the morning.

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.?

    PLAY, Icelandair, and Scandinavian Airlines can get you from Reykjavik Keflavik Intl Airport to Washington, D.C. in just under 6h 35m. Your travel time can differ by up to 29h 45m. 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 - Baltimore/Washington, Reykjavik Keflavik Intl - Washington, D.C. Reagan-National 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 $846, our data shows the cheapest flight currently is $457. When looking at the most popular route, (Reykjavik Keflavik Intl - Baltimore/Washington), you can expect to pay $269 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.

  • What is the cheapest month to book a flight from Reykjavik Keflavik Intl Airport to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Washington, D.C. (average of $292). Flying from Reykjavik Keflavik Intl Airport to Washington, D.C. in April is currently the most expensive (average of $337). 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.?

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

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Top 2 airlines flying from Keflavik Intl to Washington, D.C.

Discover the top 2 airlines 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$214Average$320FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$476Average$650FlexibilityNo cancel feeOn-time76%

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