HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Iceland

$336+ Cheap flights from Dulles Intl (IAD) to Iceland

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KEF
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Iceland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Iceland

Cheapest flights from Dulles Intl to Iceland
Explore the most affordable flight options available from Dulles Intl to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This SmartFares deal was found by Cheapflights users on 7/24. 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.
Mon 8/248:30 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Tue 9/17:50 pm
KEF
-
IAD
Nonstop6h 25m
Icelandair
Deal found 7/24$395
This Flysmarter deal was found by Cheapflights users on 7/22. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:20 pm
IAD
-
KEF
Nonstop5h 50m
Icelandair
Fri 8/287:50 pm
KEF
-
IAD
Nonstop6h 25m
Icelandair
Deal found 7/22$402
This Mytrip deal was found by Cheapflights users on 7/26. 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 9/811:20 pm
IAD
-
KEF
Nonstop5h 50m
Icelandair
Tue 9/157:50 pm
KEF
-
IAD
Nonstop6h 25m
Icelandair
Deal found 7/26$403
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:20 pm
IAD
-
KEF
Nonstop5h 50m
Icelandair
Thu 9/174:50 pm
KEF
-
IAD
Nonstop6h 30m
Icelandair
Deal found 7/27$408
This oojo deal was found by Cheapflights users on 7/23. 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.
Sat 8/298:30 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Thu 9/34:50 pm
KEF
-
IAD
Nonstop6h 30m
Icelandair
Deal found 7/23$417
This Justfly.com deal was found by Cheapflights users on 7/22. 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.
Mon 8/248:30 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Fri 8/287:50 pm
KEF
-
IAD
Nonstop6h 25m
Icelandair
Deal found 7/22$418
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/78:30 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Fri 9/187:50 pm
KEF
-
IAD
Nonstop6h 25m
Icelandair
Deal found 7/25$428
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/78:30 pm
IAD
-
KEF
Nonstop5h 55m
Icelandair
Thu 9/174:50 pm
KEF
-
IAD
Nonstop6h 30m
Icelandair
Deal found 7/26$429

Find flight deals from Dulles Intl to Iceland

Keep the following information in mind while searching for Dulles Intl to Iceland flight deals. Data was last updated July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$395
(SmartFares)

One-way from

$336
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$647

Good round-trip deal

$498 or less

Good one-way deal

$280 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 Washington, D.C. Dulles Intl to Iceland
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Iceland
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($15 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 July 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Iceland.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Iceland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Iceland 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 July 27, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Iceland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Thu 10/15

6:10 am-7:55 am

2 stops21h 45m

Reykjavik Keflavik Intl

Mon 10/19

10:00 am-11:55 am

2 stops29h 55m

$493

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Sun 8/16

10:27 pm-8:50 am

1 stop30h 23m

Reykjavik Keflavik Intl

Sat 8/22

10:00 am-7:43 am

2 stops25h 43m

$504

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Wed 8/12

10:27 pm-8:50 am

1 stop30h 23m

Reykjavik Keflavik Intl

Tue 8/18

10:00 am-11:21 am

1 stop29h 21m

$504

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Wed 8/26

10:27 pm-8:50 am

1 stop30h 23m

Reykjavik Keflavik Intl

Sun 9/6

10:00 am-11:44 am

2 stops29h 44m

$504
Quickest round-trip

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Fri 8/21

10:35 pm-8:30 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Mon 8/31

9:15 am-3:01 pm

1 stop9h 46m

$507

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Wed 10/14

9:55 am-8:45 am

1 stop18h 50m

Reykjavik Keflavik Intl

Mon 10/19

10:00 am-8:25 pm

1 stop14h 25m

$507

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Fri 10/16

4:00 pm-8:45 am

1 stop12h 45m

Reykjavik Keflavik Intl

Tue 10/20

10:00 am-8:25 pm

1 stop14h 25m

$507

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Thu 8/27

3:45 pm-7:55 am

1 stop12h 10m

Reykjavik Keflavik Intl

Mon 8/31

9:15 am-7:01 pm

1 stop13h 46m

$510

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Tue 12/1

10:10 pm-10:00 am

1 stop30h 50m

Reykjavik Keflavik Intl

Mon 12/21

12:00 pm-9:08 pm

1 stop14h 08m

$511

Washington, D.C.Reykjavik

IAD - KEF

IADKEF

Washington, D.C. Dulles Intl

Mon 10/12

10:40 pm-7:55 am

2 stops29h 15m

Reykjavik Keflavik Intl

Sun 10/18

9:15 am-11:49 am

2 stops30h 34m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Dulles Intl to Iceland

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

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Iceland (average of $467). Flying from Washington, D.C. Dulles Intl Airport to Iceland in June is currently the most expensive (average of $733). 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 IAD to IS?

Find hourly flight availability from Dulles Intl to Iceland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 27, 2026.

When flying from Washington, D.C. Dulles Intl Airport to Iceland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Iceland

Explore weekly flight availability from Dulles Intl to Iceland. 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 July 27, 2026.

The most flights from IAD to IS0 are scheduled on a Wednesday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

How often are flights from Washington, D.C. to Iceland delayed?

About 11% of weekly flights between Washington, D.C. and Iceland have experienced delays in the past year, with the average delay time being 162 minutes.

What is the most punctual flight time for Washington, D.C. to Iceland flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Iceland flights?

Over the last year, Icelandair have had the lowest number of delays on this route, with just 11% of flights being delayed.

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

The best time to book flights from Washington, D.C. Dulles Intl Airport to Iceland is 38 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.

Reviews of airlines servicing Iceland

Get insights into the airlines that provide service to Iceland. 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 Iceland. Reviews last updated July 27, 2026.
Peruse reviews from past customers who have flown with United Airlines and Icelandair from Washington, D.C. Dulles Intl Airport to Iceland 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.
United Airlines
7.4
Good
10,041 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
10,041 reviews
United Airlines
7.4
Good
10,041 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Icelandair
7.0
Good
716 reviews
United Airlines
7.4
Good
10,041 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Iceland. 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 Washington, D.C. Dulles Intl Airport to Iceland?

    United Airlines can get you from Washington, D.C. Dulles Intl Airport to Iceland in just under 21h 45m. Your travel time can differ by up to . Washington, D.C. Dulles Intl Airport and Iceland are separated by a distance of 2791 mi.

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

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Iceland is $188. On average you can expect to pay $1,305. The most popular route, (Washington, D.C. Dulles Intl - Reykjavik Keflavik Intl), can usually be booked for $403.

  • Can I find deals for flights from Dulles Intl to Iceland that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Iceland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Iceland?

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

  • Can I find deals for business class flights from Dulles Intl to Iceland?

    Yes. Cheapflights offers flight deals from Dulles Intl to Iceland 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. Dulles Intl Airport to Iceland?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Iceland (average of $467). Flying from Washington, D.C. Dulles Intl Airport to Iceland in June is currently the most expensive (average of $733). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Iceland

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Heathrow flights
Baltimore to Heathrow flights
Dulles Intl to Charles de Gaulle flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Reagan-National to Heathrow flights
Dulles Intl to Madrid flights
Dulles Intl to Gatwick flights
Dulles Intl to Stansted flights
Dulles Intl to Frankfurt flights
Dulles Intl to Athens flights
Dulles Intl to Dublin flights
Baltimore to Gatwick flights
Dulles Intl to Barcelona-El Prat flights
Baltimore to Charles de Gaulle flights
Reagan-National to Charles de Gaulle flights
Baltimore to Keflavik Intl flights
Dulles Intl to Orly flights
Dulles Intl to Amsterdam flights
Dulles Intl to Lisbon flights
Dulles Intl to Istanbul flights
Dulles Intl to Munich flights
Dulles Intl to Keflavik Intl flights
Dulles Intl to Vicenza flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Reagan-National to Madrid flights
Baltimore to Madrid flights
Baltimore to Athens flights
Reagan-National to Keflavik Intl flights
Dulles Intl to Edinburgh flights
Dulles Intl to Zurich flights
Dulles Intl to Vienna flights
Dulles Intl to Luton flights
Dulles Intl to Bruxelles-National flights
Baltimore to Lisbon flights
Reagan-National to Lisbon flights
Baltimore to Frankfurt flights
Baltimore to Dublin flights
Dulles Intl to Copenhagen flights
Baltimore to Barcelona-El Prat flights
Reagan-National to Barcelona-El Prat flights
Baltimore to Istanbul flights

Top 2 airlines flying from Dulles Intl to Iceland

Discover the top 2 airlines that operate flights from Dulles Intl to Iceland. 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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$349Average$602FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$429Average$880FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.