Washington, D.C.

$181+ Cheap flights from Keflavik Intl (KEF) to Washington, D.C. (WAS)

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — WAS
jul. 8 — jul. 151
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Cheap flight deals from Keflavik Intl to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Washington, D.C. (WAS). 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 julio 3, 2025.

Round-trip from

$239
(Mytrip)

One-way from

$181
(Mytrip)

Popular in

March

Cheapest in

September

Average price

$335

Good round-trip deal

$1,390 or less

Good one-way deal

$285 or less
From Reykjavik Keflavik Intl to Washington, D.C. (WAS)
One-way flight from Reykjavik Keflavik Intl to Washington, D.C. (WAS)
Highest demand for flights based on searches. 30% potential increase in price ($168 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Washington, D.C. (WAS).
Price to beat on a one-way flight from Reykjavik Keflavik Intl to Washington, D.C. (WAS).

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

Cheapest flights from Keflavik Intl to Washington, D.C.
Explore the most affordable flight options available from Keflavik Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/2. 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.
jue. 9/183:05 pmKEF - BWI
Nonstop6h 35mPLAY
mié. 9/246:50 pmBWI - KEF
Nonstop6h 05mPLAY
Deal found 7/2$239
This PLAY deal was found by Cheapflights users on 7/2. 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.
vie. 8/13:45 pmKEF - BWI
1 stop10h 36mMultiple Airlines
mié. 8/67:10 amBWI - KEF
1 stop17h 35mMultiple Airlines
Deal found 7/2$397
This Mytrip deal was found by Cheapflights users on 7/2. 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.
vie. 11/75:00 pmKEF - BWI
Nonstop6h 30mIcelandair
dom. 11/97:30 pmBWI - KEF
Nonstop5h 55mIcelandair
Deal found 7/2$511
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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.
vie. 10/1010:20 amKEF - IAD
1 stop13h 39mScandinavian Airlines
lun. 10/1310:05 pmIAD - KEF
1 stop14h 15mScandinavian Airlines
Deal found 7/2$521
This SmartFares deal was found by Cheapflights users on 7/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/233:05 pmKEF - BWI
Nonstop6h 35mWorldTicket
lun. 9/16:50 pmBWI - KEF
Nonstop6h 05mWorldTicket
Deal found 7/1$543
This Booking.com deal was found by Cheapflights users on 7/2. 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.
lun. 8/257:45 pmKEF - IAD
Nonstop6h 25mIcelandair
mié. 9/311:15 pmIAD - KEF
Nonstop5h 50mIcelandair
Deal found 7/2$558
This Expedia deal was found by Cheapflights users on 7/3. 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.
vie. 7/259:30 amKEF - DCA
1 stop10h 18mAir Canada
vie. 8/14:30 pmDCA - KEF
1 stop11h 50mAir Canada
Deal found 7/3$620
This Vliegwinkel deal was found by Cheapflights users on 7/2. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/239:50 amKEF - IAD
1 stop27h 47mMultiple Airlines
lun. 9/110:20 pmIAD - KEF
1 stop21h 50mMultiple Airlines
Deal found 7/2$622
This lastminute.com deal was found by Cheapflights users on 7/2. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/239:30 amKEF - IAD
1 stop15h 31mAir Canada
lun. 9/12:25 pmIAD - KEF
1 stop13h 50mAir Canada
Deal found 7/2$629
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/239:50 amKEF - BWI
2 stops31h 58mUnited Airlines
lun. 9/15:30 pmBWI - KEF
1 stop11h 00mUnited Airlines
Deal found 7/1$637
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/149:30 amKEF - DCA
1 stop10h 18mUnited Airlines
mié. 8/209:40 amDCA - KEF
1 stop18h 30mUnited Airlines
Deal found 7/2$641
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/239:30 amKEF - IAD
1 stop15h 31mUnited Airlines
lun. 9/112:40 pmIAD - KEF
1 stop14h 20mUnited Airlines
Deal found 7/1$641

Cheapflights Fare Finder

Customize your flight search to find flights from Keflavik Intl to Washington, D.C. 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 julio 3, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Washington, D.C. that are best for you.

Fly from

Keflavik Intl

Fly to

Washington, D.C.

Route

Depart

Return

Price

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

jue. 9/18

3:05 pm-5:40 pm

Nonstop6h 35m

Baltimore/Washington

mié. 9/24

6:50 pm-4:55 am

Nonstop6h 05m

$239

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

vie. 8/1

3:45 pm-10:21 pm

1 stop10h 36m

Baltimore/Washington

mié. 8/6

7:10 am-4:45 am

1 stop17h 35m

$397

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

vie. 11/7

5:00 pm-6:30 pm

Nonstop6h 30m

Baltimore/Washington

dom. 11/9

7:30 pm-6:25 am

Nonstop5h 55m

$511

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

vie. 10/10

10:20 am-7:59 pm

1 stop13h 39m

Washington, D.C. Dulles Intl

lun. 10/13

10:05 pm-4:20 pm

1 stop14h 15m

$521

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

sáb. 8/23

3:05 pm-5:40 pm

Nonstop6h 35m

Baltimore/Washington

lun. 9/1

6:50 pm-4:55 am

Nonstop6h 05m

$543

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

lun. 8/25

7:45 pm-10:10 pm

Nonstop6h 25m

Washington, D.C. Dulles Intl

mié. 9/3

11:15 pm-9:05 am

Nonstop5h 50m

$558

ReykjavikWashington, D.C.

KEF - DCA

KEFDCA

Reykjavik Keflavik Intl

vie. 7/25

9:30 am-3:48 pm

1 stop10h 18m

Washington, D.C. Reagan-National

vie. 8/1

4:30 pm-8:20 am

1 stop11h 50m

$620

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

sáb. 8/23

9:50 am-9:37 am

1 stop27h 47m

Washington, D.C. Dulles Intl

lun. 9/1

10:20 pm-12:10 am

1 stop21h 50m

$622

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

sáb. 8/23

9:30 am-9:01 pm

1 stop15h 31m

Washington, D.C. Dulles Intl

lun. 9/1

2:25 pm-8:15 am

1 stop13h 50m

$629

ReykjavikBaltimore

KEF - BWI

KEFBWI

Reykjavik Keflavik Intl

sáb. 8/23

9:50 am-1:48 pm

2 stops31h 58m

Baltimore/Washington

lun. 9/1

5:30 pm-8:30 am

1 stop11h 00m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 37 results
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Best time to book a flight from Keflavik Intl to Washington, D.C.

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

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

Currently, August is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Washington, D.C. (average of $309). Flying from Reykjavik Keflavik Intl Airport to Washington, D.C. in July is currently the most expensive (average of $345). 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 KEF to WAS?

Find hourly flight availability from Keflavik Intl to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.

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

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

Explore weekly flight availability from Keflavik Intl to Washington, D.C.. 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 julio 3, 2025.

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

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated julio 3, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Finnair from Reykjavik Keflavik Intl Airport to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

    PLAY, at $239, was found to be the cheapest airline from Reykjavik Keflavik Intl Airport to Washington, D.C..Alternate airlines to your destination round-trip include Icelandair and Scandinavian Airlines. These flights start at 37% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Reykjavik Keflavik Intl Airport to Washington, D.C. one-way?

    One-way options have recently been found by users for as low as $181 on PLAY. Other airlines that offer cheap prices include WestJet from $288 and WorldTicket from $333 one-way.

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

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

    While on average a flight from Reykjavik Keflavik Intl Airport to Washington, D.C. is generally $1,074, our data shows the cheapest flight currently is $424. When looking at the most popular route, (Reykjavik Keflavik Intl - Baltimore/Washington), you can expect to pay $239 for that flight.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Washington, D.C. (average of $309). Flying from Reykjavik Keflavik Intl Airport to Washington, D.C. in July is currently the most expensive (average of $345). 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
Arlington
Woodbridge
Alexandria
Tysons
Silver Spring
Fredericksburg
Linthicum Heights
Gaithersburg
Fairfax
Easton
Towson
Waldorf
Laurel
Falls Church
Rockville
Springfield
National Harbor
Manassas
Dundalk
Bowie

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Keflavik Intl to Washington, D.C.

Discover the top airline that operate flights from Keflavik Intl to Washington, D.C.. 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$214Average$321FlexibilityNo cancel feeOn-timeN/A

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