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Keflavik Intl

$307+ Cheap flights from District of Columbia 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KEF
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from District of Columbia to Keflavik Intl

Cheapest flights from District of Columbia to Keflavik Intl
Explore the most affordable flight options available from District of Columbia to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This CrystalTravel deal was found by Cheapflights users on 1/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/67:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Tue 2/104:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Deal found 1/28$417
This CrystalTravel deal was found by Cheapflights users on 1/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Sat 2/284:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Deal found 1/27$423
This Mytrip deal was found by Cheapflights users on 1/27. 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 2/217:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Sat 2/284:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Deal found 1/27$432
This Mytrip deal was found by Cheapflights users on 1/27. 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 3/108:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Tue 3/174:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Deal found 1/27$436
This Mytrip deal was found by Cheapflights users on 1/28. 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 2/57:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Wed 2/114:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Deal found 1/28$437
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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.
Fri 2/67:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Sun 2/154:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Deal found 1/28$438
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Mon 2/237:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Sat 2/284:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Deal found 1/27$440
This CrystalTravel deal was found by Cheapflights users on 1/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Sat 3/74:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Deal found 1/28$441
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Wed 2/257:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Thu 3/54:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Deal found 1/27$449
This KAYAK deal was found by Cheapflights users on 1/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:40 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Fri 2/274:50 pm
KEF
-
IAD
Nonstop6h 40m
Icelandair
Deal found 1/27$452
This KLM deal was found by Cheapflights users on 1/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:05 pm
DCA
-
KEF
1 stop12h 25m
KLM
Sat 4/1811:25 am
KEF
-
DCA
1 stop10h 05m
KLM
Deal found 1/27$539
This FlightHub deal was found by Cheapflights users on 1/28. 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.
Thu 8/206:00 am
DCA
-
KEF
1 stop21h 55m
Air Canada
Mon 8/249:15 am
KEF
-
DCA
1 stop29h 03m
Air Canada
Deal found 1/28$547

Find flight deals from District of Columbia to Keflavik Intl

Keep the following information in mind while searching for District of Columbia to Keflavik Intl flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$417
(CrystalTravel)

One-way from

$307
(oojo)

Popular in

December

Cheapest in

October

Average price

$463

Good round-trip deal

$472 or less

Good one-way deal

$317 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Reykjavik (REK) flights.
Search Deals
From District of Columbia to Reykjavik Keflavik Intl
Search Deals
One-way flight from District of Columbia to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from District of Columbia to Reykjavik Keflavik Intl.
Search Deals
Price to beat on a one-way flight from District of Columbia to Reykjavik Keflavik Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 January 29, 2026.
Use the filters below to find and compare flights from District of Columbia to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

District of Columbia

Fly to

Keflavik Intl

Route

Depart

Return

Price

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Sat 4/11

8:20 pm-10:25 am

2 stops34h 05m

Reykjavik Keflavik Intl

Sat 4/18

6:35 pm-4:50 pm

2 stops26h 15m

$509

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Mon 4/6

8:20 pm-4:15 pm

1 stop15h 55m

Reykjavik Keflavik Intl

Thu 4/9

5:05 pm-4:50 pm

1 stop27h 45m

$543

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Thu 4/30

6:50 pm-9:30 am

1 stop10h 40m

Reykjavik Keflavik Intl

Fri 5/8

9:30 am-5:58 pm

1 stop12h 28m

$554

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 5/8

3:10 pm-7:40 am

1 stop12h 30m

Reykjavik Keflavik Intl

Tue 5/12

8:50 am-4:29 pm

1 stop11h 39m

$554

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 5/1

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

Wed 5/6

11:25 am-8:30 pm

2 stops13h 05m

$559

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 5/7

5:00 pm-9:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

Mon 5/11

11:25 am-8:19 pm

2 stops12h 54m

$559

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sun 5/10

10:00 am-6:20 am

1 stop16h 20m

Reykjavik Keflavik Intl

Mon 5/18

8:50 am-7:18 pm

1 stop14h 28m

$584

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 5/8

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

Fri 5/15

11:25 am-6:11 pm

1 stop10h 46m

$584

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 5/12

1:45 pm-9:30 am

2 stops15h 45m

Reykjavik Keflavik Intl

Sun 5/17

8:50 am-7:18 pm

1 stop14h 28m

$589

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 5/8

5:00 pm-9:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

Thu 5/14

9:30 am-10:51 pm

2 stops17h 21m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 42 results
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Best time to book a flight from District of Columbia to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from District of Columbia 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 District of Columbia to Reykjavik Keflavik Intl Airport

What is the cheapest month to book a flight from District of Columbia to Reykjavik Keflavik Intl Airport?

Currently, October is the cheapest month in which you can book a flight from District of Columbia to Reykjavik Keflavik Intl Airport (average of $251). Flying from District of Columbia to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $388). 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.

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

Find hourly flight availability from District of Columbia to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

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

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia to Reykjavik Keflavik Intl Airport?

    There are many flights that can get you from District of Columbia to Reykjavik Keflavik Intl Airport in 10h 40m. Fly via Scandinavian Airlines, Delta, or KLM to get the fastest option. There are 2791 mi between District of Columbia and Reykjavik Keflavik Intl Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from District of Columbia to Reykjavik Keflavik Intl Airport one-way?

    The cheapest airlines for a one-way flight from District of Columbia to Reykjavik Keflavik Intl Airport are PLAY ($117), WorldTicket ($247), and Icelandair ($332).

  • What are the cheapest flights from District of Columbia to Reykjavik Keflavik Intl Airport?

    On average you can expect to pay $1,115 for a flight from District of Columbia to Reykjavik Keflavik Intl Airport. The cheapest flight overall is $217 while the most popular route, (Washington, D.C. Dulles Intl - Reykjavik Keflavik Intl) is currently priced at $417.

  • Can I find deals for flights from District of Columbia to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Keflavik Intl?

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

  • Can I find deals for business class flights from District of Columbia to Keflavik Intl?

    Yes. Cheapflights offers flight deals from District of Columbia 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.

  • What is the cheapest month to book a flight from District of Columbia to Reykjavik Keflavik Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from District of Columbia to Reykjavik Keflavik Intl Airport (average of $251). Flying from District of Columbia to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $388). 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 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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Alternative routes for District of Columbia to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from District of Columbia to Keflavik Intl

Discover the top 3 airlines that operate flights from District of Columbia to Keflavik Intl. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$251Average$399FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$314Average$533FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$417Average$890FlexibilityNo cancel feeOn-time69%

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