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Keflavik Intl

$121+ Cheap flights from Washington, D.C. (WAS) 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — KEF
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Reykjavik Keflavik Intl are usually found in October or December, booked 78 days in advance, depart on a Tuesday or Saturday and return on a Thursday

Cheap flight deals from Washington, D.C. to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 August 14, 2025.

Round-trip from

$282
(Kiwi.com)

One-way from

$121
(lastminute.com)

Popular in

June

Cheapest in

October

Average price

$494

Good round-trip deal

$400 or less

Good one-way deal

$242 or less
From Washington, D.C. (WAS) to Reykjavik Keflavik Intl
Search Deals
One-way flight from Washington, D.C. (WAS) to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 14% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Reykjavik Keflavik Intl.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Reykjavik Keflavik Intl.
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Find flight deals from Washington, D.C. to Keflavik Intl

Cheapest flights from Washington, D.C. to Keflavik Intl
Explore the most affordable flight options available from Washington, D.C. to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Sat 9/66:50 pmBWI - KEF
Nonstop6h 05mPLAY
Tue 9/163:05 pmKEF - BWI
Nonstop6h 35mPLAY
Deal found 8/14$282
This Booking.com deal was found by Cheapflights users on 8/13. 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.
Thu 10/166:50 pmBWI - KEF
Nonstop6h 05mPLAY
Sun 10/193:05 pmKEF - BWI
Nonstop6h 35mPLAY
Deal found 8/13$283
This Mytrip deal was found by Cheapflights users on 8/13. 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 10/28:30 pmBWI - KEF
Nonstop5h 55mIcelandair
Sun 10/55:00 pmKEF - BWI
Nonstop6h 25mIcelandair
Deal found 8/13$284
This CheapOair deal was found by Cheapflights users on 8/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:50 pmBWI - KEF
Nonstop6h 05mPLAY
Sat 9/203:05 pmKEF - BWI
Nonstop6h 35mPLAY
Deal found 8/14$285
This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:30 pmBWI - KEF
Nonstop5h 55mIcelandair
Sun 10/265:00 pmKEF - BWI
Nonstop6h 40mIcelandair
Deal found 8/14$286
This oojo deal was found by Cheapflights users on 8/13. 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 10/28:30 pmBWI - KEF
Nonstop5h 55mIcelandair
Mon 10/65:00 pmKEF - BWI
Nonstop6h 25mIcelandair
Deal found 8/13$287
This Gotogate deal was found by Cheapflights users on 8/13. 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.
Mon 9/296:50 pmBWI - KEF
Nonstop6h 05mPLAY
Mon 10/63:05 pmKEF - BWI
Nonstop6h 35mPLAY
Deal found 8/13$288
This CheapOair deal was found by Cheapflights users on 8/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:50 pmBWI - KEF
Nonstop6h 05mPLAY
Tue 9/93:05 pmKEF - BWI
Nonstop6h 35mPLAY
Deal found 8/12$289
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Fri 9/126:50 pmBWI - KEF
Nonstop6h 05mPLAY
Tue 9/233:05 pmKEF - BWI
Nonstop6h 35mPLAY
Deal found 8/14$290
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Tue 8/196:50 pmBWI - KEF
Nonstop6h 05mPLAY
Thu 8/283:05 pmKEF - BWI
Nonstop6h 35mPLAY
Deal found 8/14$291
This Expedia deal was found by Cheapflights users on 8/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:50 pmBWI - KEF
Nonstop6h 05mPLAY
Tue 8/263:05 pmKEF - BWI
Nonstop6h 35mPLAY
Deal found 8/14$292
This PLAY deal was found by Cheapflights users on 8/14. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:50 pmBWI - KEF
Nonstop6h 05mPLAY
Thu 8/283:05 pmKEF - BWI
Nonstop6h 35mPLAY
Deal found 8/14$293

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 August 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Washington, D.C.

Fly to

Keflavik Intl

Route

Depart

Return

Price

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Mon 9/1

6:50 pm-4:55 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Mon 9/8

3:05 pm-5:40 pm

Nonstop6h 35m

$287

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Fri 10/10

6:50 pm-4:55 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Mon 10/20

3:05 pm-5:40 pm

Nonstop6h 35m

$288

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Wed 10/1

6:50 pm-4:55 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Mon 10/6

3:05 pm-5:40 pm

Nonstop6h 35m

$288

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Fri 10/17

6:50 pm-4:55 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Mon 10/20

3:05 pm-5:40 pm

Nonstop6h 35m

$288

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Thu 8/21

6:50 pm-4:55 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Fri 8/29

3:05 pm-5:40 pm

Nonstop6h 35m

$293

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Mon 8/25

6:50 pm-4:55 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Thu 8/28

3:05 pm-5:40 pm

Nonstop6h 35m

$293

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Fri 10/3

6:50 pm-4:55 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Sun 10/12

3:05 pm-5:40 pm

Nonstop6h 35m

$295

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Sun 10/12

6:50 pm-4:55 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Fri 10/17

3:05 pm-5:40 pm

Nonstop6h 35m

$295

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Sun 11/2

7:40 pm-6:30 am

Nonstop5h 50m

Reykjavik Keflavik Intl

Thu 11/13

5:00 pm-6:40 pm

Nonstop6h 40m

$298

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Sun 10/12

8:30 pm-6:25 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Fri 10/17

5:00 pm-7:25 pm

Nonstop6h 25m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 60 results
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The best insider tips for Washington, D.C. to Reykjavik Keflavik Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Reykjavik Keflavik Intl Airport trip
Airlines
PLAY

PLAY offers a free stopover in Reykjavik for up to 10 days on transatlantic flights.


PLAY Flex includes priority boarding and two checked bags, ideal for longer trips.

Read more about PLAYby Victoria M. Walker
Icelandair

Icelandair's Saga Premium offers noise-cancelling headphones and generous legroom for comfort.


Icelandair's Stopover program allows a 3-7 day Iceland stop at no extra charge.

Read more about Icelandairby Bill Fink
Our travel experts
Victoria M. Walker

Victoria M. Walker

Expert on PLAY

Victoria M. Walker

Victoria M. Walker

Victoria M. Walker is an award-winning travel reporter who writes the “Carrying On” newsletter. Victoria writes about airlines and hotels and fell in love with travel after her first flight in 2014. She was raised in Virginia and is based in Brooklyn, NY. She is interested in finding the best pizza and coffee in every city she visits.

Read more
Bill Fink

Bill Fink

Expert on Icelandair

Bill Fink

Bill Fink

Bill is an award-winning travel writer with extensive credits covering airlines and the aviation industry for publications including AARP, AFAR, The Points Guy and Yahoo. Based in Portland, Oregon, Bill has traveled to more than 75 countries - and been late for his flight in most of them. He once achieved top-level frequent flier status for all of American, Delta and United Airlines during a single year.

Read more

Best time to book a flight from Washington, D.C. to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Washington, D.C. 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 Washington, D.C. to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from Washington, D.C. to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Keflavik Intl. Price data was last updated on August 8, 2025.

The best time to book flights from Washington, D.C. to Reykjavik Keflavik Intl Airport is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Reykjavik Keflavik Intl Airport (average of $328). Flying from Washington, D.C. to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). 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 WAS to KEF?

Find hourly flight availability from Washington, D.C. 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 August 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Reykjavik Keflavik Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the morning.

Weekly flight availability from Washington, D.C. to Reykjavik Keflavik Intl Airport

Explore weekly flight availability from Washington, D.C. 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 August 14, 2025.

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

How much does it cost to fly round-trip from Washington, D.C. to Reykjavik Keflavik Intl Airport?

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated August 14, 2025.
Get a feel of what it's like to fly with Icelandair and PLAY from Washington, D.C. to Reykjavik Keflavik Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
526 reviews

Boarding

7.1

Entertainment

7.0

Comfort

6.9

Overall

7.0

Crew

8.0

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
Icelandair
7.0
Good
526 reviews
Icelandair
7.0
Good
526 reviews

Boarding

7.1

Entertainment

7.0

Comfort

6.9

Overall

7.0

Crew

8.0

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
PLAY
7.0
Good
103 reviews
Icelandair
7.0
Good
526 reviews

Boarding

7.1

Entertainment

7.0

Comfort

6.9

Overall

7.0

Crew

8.0

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Washington, D.C. to Reykjavik Keflavik Intl Airport round-trip?

    PLAY, at $266, was found to be the cheapest airline from Washington, D.C. to Reykjavik Keflavik Intl Airport.Alternate airlines to your destination round-trip include Icelandair and JetBlue. You may be able to fly from Washington, D.C. to Reykjavik Keflavik Intl Airport for 37% less than the average price by searching for these airlines.

  • What are the most popular routes from Washington, D.C. to Reykjavik Keflavik Intl Airport?

    Most travelers choose Washington, D.C. Dulles Intl - Reykjavik Keflavik Intl, Baltimore/Washington - Reykjavik Keflavik Intl or Washington, D.C. Reagan-National - Reykjavik Keflavik Intl when deciding on the best route from Washington, D.C. to Reykjavik Keflavik Intl Airport.

  • What are the cheapest flights from Washington, D.C. to Reykjavik Keflavik Intl Airport?

    While on average a flight from Washington, D.C. to Reykjavik Keflavik Intl Airport is generally $1,254, our data shows the cheapest flight currently is $210. When looking at the most popular route, (Washington, D.C. Dulles Intl - Reykjavik Keflavik Intl), you can expect to pay $309 for that flight.

  • Can I find deals for flights from Washington, D.C. to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Keflavik Intl?

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

  • Can I find deals for business class flights from Washington, D.C. to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Reykjavik Keflavik Intl Airport (average of $328). Flying from Washington, D.C. to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). 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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Top 3 airlines flying from Washington, D.C. to Keflavik Intl

Discover the top 3 airlines that operate flights from Washington, D.C. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$241Average$370FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$345Average$513FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$738Average$777FlexibilityNo cancel feeOn-time62%

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