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Keflavik Intl

$263+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KEF
Nov 5 — Nov 121
Wed 11/5
Wed 11/12
1 adult, Economy
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Cheap 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 October 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$347
(CrystalTravel)

One-way from

$263
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$389

Good round-trip deal

$434 or less

Good one-way deal

$380 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Reykjavik (REK) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Reykjavik (REK) flights.
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From District of Columbia to Reykjavik Keflavik Intl
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One-way flight from District of Columbia to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 7% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from District of Columbia to Reykjavik Keflavik Intl.
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Price to beat on a one-way flight from District of Columbia to Reykjavik Keflavik Intl.
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Find 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 October 6, 2025.

This CrystalTravel deal was found by Cheapflights users on 10/4. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Sat 12/134:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 10/4$347
This Booking.com deal was found by Cheapflights users on 10/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Wed 11/54:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 10/5$362
This CrystalTravel deal was found by Cheapflights users on 10/4. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Wed 11/124:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 10/4$365
This Gotogate deal was found by Cheapflights users on 10/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Thu 12/44:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 10/5$366
This FlightHub deal was found by Cheapflights users on 10/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/268:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Thu 10/304:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 10/5$368
This Icelandair deal was found by Cheapflights users on 10/5. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/268:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Fri 10/314:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 10/5$379
This Gotogate deal was found by Cheapflights users on 10/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Thu 12/184:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 10/5$384
This CrystalTravel deal was found by Cheapflights users on 10/5. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Sun 12/144:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 10/5$386
This FlightHub deal was found by Cheapflights users on 10/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Wed 12/34:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 10/5$388
This Cheapflightsfares deal was found by Cheapflights users on 10/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:40 pmIAD - KEF
Nonstop5h 55mIcelandair
Wed 12/104:50 pmKEF - IAD
Nonstop6h 40mIcelandair
Deal found 10/4$391
This Justfly.com deal was found by Cheapflights users on 10/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:13 amDCA - KEF
2 stops18h 32mScandinavian Airlines
Tue 12/911:30 amKEF - DCA
2 stops40h 27mScandinavian Airlines
Deal found 10/5$489
This Gurufare deal was found by Cheapflights users on 10/5. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1011:10 amDCA - KEF
2 stops18h 35mScandinavian Airlines
Wed 11/1911:30 amKEF - DCA
2 stops40h 26mScandinavian Airlines
Deal found 10/5$516

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 October 6, 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 10/27

8:40 pm-6:35 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Fri 10/31

4:50 pm-7:30 pm

Nonstop6h 40m

$379

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Thu 2/19

12:30 pm-11:20 pm

2 stops29h 50m

Reykjavik Keflavik Intl

Wed 2/25

11:30 am-5:15 pm

1 stop34h 45m

$462

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Thu 1/1

8:30 pm-5:40 pm

2 stops40h 10m

Reykjavik Keflavik Intl

Fri 1/9

3:40 pm-6:50 pm

1 stop32h 10m

$476

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Thu 1/15

12:30 pm-3:25 pm

2 stops21h 55m

Reykjavik Keflavik Intl

Sun 1/18

11:15 am-3:20 pm

2 stops33h 05m

$487

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Fri 2/20

12:30 pm-10:40 am

2 stops17h 10m

Reykjavik Keflavik Intl

Sun 2/22

11:15 am-5:15 pm

2 stops35h 00m

$496

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Thu 1/1

8:30 pm-10:15 am

2 stops32h 45m

Reykjavik Keflavik Intl

Wed 1/7

11:30 am-5:15 pm

1 stop34h 45m

$509

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Sun 11/9

7:40 pm-6:35 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Sun 11/16

4:50 pm-6:30 pm

Nonstop6h 40m

$517

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 2/19

11:00 am-11:20 pm

2 stops31h 20m

Reykjavik Keflavik Intl

Mon 2/23

3:40 pm-11:08 pm

2 stops36h 28m

$523

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Wed 11/12

12:11 pm-10:45 am

2 stops17h 34m

Reykjavik Keflavik Intl

Tue 11/18

11:30 am-5:15 pm

1 stop34h 45m

$532

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Thu 3/26

9:30 pm-9:50 am

2 stops56h 20m

Reykjavik Keflavik Intl

Mon 3/30

11:05 am-4:50 pm

2 stops57h 45m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/4

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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, February is the cheapest month in which you can book a flight from District of Columbia to Reykjavik Keflavik Intl Airport (average of $226). 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 October 6, 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.

Weekly flight availability from District of Columbia to Reykjavik Keflavik Intl Airport

Explore weekly flight availability from District of Columbia to Keflavik Intl. 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 October 6, 2025.

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

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 flights from District of Columbia to Reykjavik Keflavik Intl Airport?

    On average you can expect to pay $1,340 for a flight from District of Columbia to Reykjavik Keflavik Intl Airport. The cheapest flight overall is $329 while the most popular route, (Washington, D.C. Dulles Intl - Reykjavik Keflavik Intl) is currently priced at $362.

  • 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, February is the cheapest month in which you can book a flight from District of Columbia to Reykjavik Keflavik Intl Airport (average of $226). 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

Browse thousands of different options on Cheapflights for your next trip

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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 October 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$235Average$382FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$330Average$513FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$738Average$777FlexibilityNo cancel feeOn-time62%

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