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Keflavik Intl

$333+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KEF
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
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 December 16, 2025.

This KAYAK deal was found by Cheapflights users on 12/14. 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.
Sun 12/147:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Wed 12/244:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 12/14$786
This Icelandair deal was found by Cheapflights users on 12/14. 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.
Sun 12/147:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Thu 12/254:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 12/14$796
This KAYAK deal was found by Cheapflights users on 12/14. 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.
Sun 12/147:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Tue 12/234:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 12/14$813
This Icelandair deal was found by Cheapflights users on 12/14. 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.
Sun 12/147:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Fri 12/264:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 12/14$823
This FlightHub deal was found by Cheapflights users on 12/15. 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 12/157:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Mon 12/224:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 12/15$837
This FlightHub deal was found by Cheapflights users on 12/14. 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.
Sun 12/147:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Sat 12/274:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 12/14$847
This KAYAK deal was found by Cheapflights users on 12/14. 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.
Sun 12/147:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Sun 12/214:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 12/14$848
This FlightHub deal was found by Cheapflights users on 12/14. 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.
Sun 12/147:40 pmIAD - KEF
Nonstop5h 55mMultiple Airlines
Sat 12/275:00 pmKEF - IAD
1 stop22h 24mMultiple Airlines
Deal found 12/14$961
This FlightHub deal was found by Cheapflights users on 12/14. 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.
Sun 12/147:40 pmIAD - KEF
Nonstop5h 55mMultiple Airlines
Mon 12/295:00 pmKEF - IAD
1 stop22h 24mMultiple Airlines
Deal found 12/14$993
This FlightHub deal was found by Cheapflights users on 12/14. 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 12/177:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Thu 12/254:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 12/14$1,073
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Mon 12/155:05 pmIAD - KEF
2 stops19h 40mMultiple Airlines
Mon 12/224:50 pmKEF - IAD
Nonstop6h 40mMultiple Airlines
Deal found 12/14$1,090
This CrystalTravel deal was found by Cheapflights users on 12/15. 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.
Wed 12/247:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Fri 1/234:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 12/15$1,101

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 December 16, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$378
(Cheapflightsfares)

One-way from

$333
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$679

Good round-trip deal

$469 or less

Good one-way deal

$410 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 ($38 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 December 2025
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 December 16, 2025.
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

Mon 2/2

7:40 pm-6:35 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Fri 2/6

4:50 pm-6:30 pm

Nonstop6h 40m

$398

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Wed 1/14

7:40 pm-6:35 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Sat 1/24

4:50 pm-6:30 pm

Nonstop6h 40m

$424

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Mon 1/5

7:40 pm-6:35 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Wed 1/14

4:50 pm-6:30 pm

Nonstop6h 40m

$511

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Sat 1/3

7:40 pm-6:35 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Wed 1/14

4:50 pm-6:30 pm

Nonstop6h 40m

$526

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Fri 1/2

7:40 pm-6:35 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Wed 1/14

4:50 pm-6:30 pm

Nonstop6h 40m

$541

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Tue 2/17

7:40 pm-6:35 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Sat 2/21

4:50 pm-6:30 pm

Nonstop6h 40m

$561

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Wed 2/11

12:23 pm-10:45 am

2 stops17h 22m

Reykjavik Keflavik Intl

Tue 2/17

5:35 pm-5:15 pm

1 stop28h 40m

$567

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Thu 2/19

8:30 pm-11:20 pm

1 stop21h 50m

Reykjavik Keflavik Intl

Tue 2/24

5:35 pm-5:15 pm

1 stop28h 40m

$591

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Tue 1/6

7:40 pm-6:35 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Sat 1/10

4:50 pm-6:30 pm

Nonstop6h 40m

$592

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Thu 1/15

5:25 pm-2:20 pm

2 stops15h 55m

Reykjavik Keflavik Intl

Tue 1/20

3:20 pm-2:35 pm

1 stop28h 15m

$593

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 41 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, September is the cheapest month in which you can book a flight from District of Columbia to Reykjavik Keflavik Intl Airport (average of $250). 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 December 16, 2025.

It’s typically best to fly out from District of Columbia to Reykjavik Keflavik Intl Airport in the afternoon. Doing so could potentially save you 37% on the flight price compared to flying in the morning, which is usually more expensive.

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 5h 55m. Fly via Icelandair or Scandinavian Airlines 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 ($326).

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

    On average you can expect to pay $1,141 for a flight from District of Columbia to Reykjavik Keflavik Intl Airport. The cheapest flight overall is $348 while the most popular route, (Washington, D.C. Dulles Intl - Reykjavik Keflavik Intl) is currently priced at $365.

  • 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, September is the cheapest month in which you can book a flight from District of Columbia to Reykjavik Keflavik Intl Airport (average of $250). 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$255Average$384FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$324Average$542FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$417Average$880FlexibilityNo cancel feeOn-time69%

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