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Keflavik Intl

$418+ Cheap flights from Reagan-National (DCA) 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — KEF
Jun 7 — Jun 141
Sun 6/7
Sun 6/14
1 adult, Economy
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Cheap flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 8, 2026.

This oojo deal was found by Cheapflights users on 5/6. 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.
Tue 10/63:50 pm
DCA
-
KEF
1 stop10h 15m
Icelandair
Thu 10/155:10 pm
KEF
-
DCA
1 stop18h 46m
Icelandair
Deal found 5/6$619
This oojo deal was found by Cheapflights users on 5/5. 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.
Thu 10/12:30 pm
DCA
-
KEF
1 stop11h 35m
Icelandair
Sun 10/47:55 pm
KEF
-
DCA
1 stop16h 01m
Icelandair
Deal found 5/5$628
This oojo deal was found by Cheapflights users on 5/6. 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.
Sat 8/295:47 pm
DCA
-
KEF
1 stop10h 23m
Icelandair
Wed 9/97:55 pm
KEF
-
DCA
1 stop18h 07m
Icelandair
Deal found 5/6$633
This FlightHub deal was found by Cheapflights users on 5/6. 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.
Wed 10/77:00 pm
DCA
-
KEF
1 stop9h 10m
Icelandair
Thu 10/155:10 pm
KEF
-
DCA
1 stop18h 46m
Icelandair
Deal found 5/6$634
This oojo deal was found by Cheapflights users on 5/6. 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.
Wed 6/32:55 pm
DCA
-
KEF
1 stop13h 15m
Icelandair
Mon 6/87:55 pm
KEF
-
DCA
1 stop15h 59m
Icelandair
Deal found 5/6$638
This oojo deal was found by Cheapflights users on 5/6. 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.
Wed 10/711:00 am
DCA
-
KEF
1 stop17h 10m
Icelandair
Sun 10/115:00 pm
KEF
-
DCA
1 stop9h 59m
Icelandair
Deal found 5/6$640
This oojo deal was found by Cheapflights users on 5/4. 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.
Tue 9/155:15 pm
DCA
-
KEF
1 stop10h 55m
Icelandair
Fri 9/257:55 pm
KEF
-
DCA
1 stop18h 07m
Icelandair
Deal found 5/4$642
This oojo deal was found by Cheapflights users on 5/8. 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.
Wed 9/161:20 pm
DCA
-
KEF
1 stop14h 50m
Icelandair
Sun 9/205:00 pm
KEF
-
DCA
1 stop9h 59m
Icelandair
Deal found 5/8$643
This oojo deal was found by Cheapflights users on 5/4. 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.
Sat 9/267:00 pm
DCA
-
KEF
1 stop9h 10m
Icelandair
Sat 10/37:50 pm
KEF
-
DCA
1 stop31h 09m
Icelandair
Deal found 5/4$646
This FlightHub deal was found by Cheapflights users on 5/6. 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 9/197:00 pm
DCA
-
KEF
1 stop9h 10m
Icelandair
Fri 9/257:55 pm
KEF
-
DCA
1 stop18h 07m
Icelandair
Deal found 5/6$647
This oojo deal was found by Cheapflights users on 5/5. 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.
Wed 9/167:00 pm
DCA
-
KEF
1 stop9h 10m
Icelandair
Wed 9/237:55 pm
KEF
-
DCA
1 stop16h 01m
Icelandair
Deal found 5/5$651
This oojo deal was found by Cheapflights users on 5/4. 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.
Thu 8/2711:00 am
DCA
-
KEF
1 stop15h 05m
Icelandair
Mon 9/77:55 pm
KEF
-
DCA
1 stop16h 03m
Icelandair
Deal found 5/4$653

Find flight deals from Reagan-National to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 May 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$619
(oojo)

One-way from

$418
(oojo)

Popular in

December

Cheapest in

October

Average price

$534
Provider with most accurate pricing for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 May 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 9/19

12:10 pm-8:10 am

1 stop16h 00m

Reykjavik Keflavik Intl

Wed 9/23

7:55 pm-10:02 am

1 stop18h 07m

$679

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 9/2

9:40 am-7:55 am

1 stop18h 15m

Reykjavik Keflavik Intl

Mon 9/7

10:00 am-4:52 pm

2 stops34h 52m

$764

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 9/9

3:30 pm-8:45 am

2 stops13h 15m

Reykjavik Keflavik Intl

Sun 9/13

12:00 pm-8:10 pm

1 stop12h 10m

$789

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 5/20

7:30 am-8:50 am

1 stop21h 20m

Reykjavik Keflavik Intl

Fri 6/5

9:15 am-10:19 am

1 stop29h 04m

$815
Quickest round-trip

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 9/4

7:00 pm-8:50 am

1 stop9h 50m

Reykjavik Keflavik Intl

Fri 9/11

9:15 am-6:52 pm

2 stops13h 37m

$833

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 10/29

1:30 pm-10:45 am

2 stops17h 15m

Reykjavik Keflavik Intl

Tue 11/3

6:05 pm-11:04 pm

2 stops33h 59m

$843

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 8/15

6:25 pm-7:40 am

1 stop9h 15m

Reykjavik Keflavik Intl

Sat 8/22

8:45 am-9:45 pm

2 stops17h 00m

$864

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 5/26

7:30 am-8:50 am

1 stop21h 20m

Reykjavik Keflavik Intl

Tue 6/9

10:00 am-12:01 pm

2 stops30h 01m

$887

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 7/31

7:15 am-8:50 am

1 stop21h 35m

Reykjavik Keflavik Intl

Mon 8/10

9:15 am-10:18 am

1 stop29h 03m

$896

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 6/24

6:15 am-8:50 am

1 stop22h 35m

Reykjavik Keflavik Intl

Wed 7/8

10:00 am-8:52 am

1 stop26h 52m

$901

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 23 resultsSorted by cheapest first
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Compare providers for flights from Reagan-National 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 Reagan-National to Keflavik Intl in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-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. Reagan-National Airport-Reykjavik Keflavik Intl Airport 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 Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport 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 Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National 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.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Keflavik Intl. 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 Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

    Airlines like Icelandair, United Airlines, and Delta fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport in about 11h 41m. The time it takes to get you to your destination can typically vary by up to 9h 39m. Washington, D.C. Reagan-National Airport and Reykjavik Keflavik Intl Airport are separated by a distance of 2784 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Keflavik Intl?

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

  • Can I find deals for business class flights from Reagan-National to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Reagan-National 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.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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