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Iceland

$349+ Cheap flights from Dulles Intl (IAD) to Iceland

IAD — KEF
Oct 10 — Oct 171
Sat 10/10
Sat 10/17
1 adult, Economy
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Cheap flight deals from Dulles Intl to Iceland

Cheapest flights from Dulles Intl to Iceland

Tue 9/158:30 pm -
Nonstop5h 55m
Fri 9/257:50 pm -
Nonstop6h 25m
Deal found 9/9$442
Sat 9/1211:20 pm -
Nonstop5h 50m
Mon 9/214:50 pm -
Nonstop6h 30m
Deal found 9/7$454
Fri 9/2511:20 pm -
Nonstop5h 50m
Fri 10/24:50 pm -
Nonstop6h 30m
Deal found 9/6$459
Tue 9/228:30 pm -
Nonstop5h 55m
Thu 10/14:50 pm -
Nonstop6h 30m
Deal found 9/9$461
Tue 9/158:30 pm -
Nonstop5h 55m
Sun 9/204:50 pm -
Nonstop6h 30m
Deal found 9/7$463
Wed 9/98:30 pm -
Nonstop5h 55m
Sat 9/197:50 pm -
Nonstop6h 25m
Deal found 9/9$464
Sat 9/1211:20 pm -
Nonstop5h 50m
Thu 9/244:50 pm -
Nonstop6h 30m
Deal found 9/7$465
Tue 9/228:30 pm -
Nonstop5h 55m
Sat 9/264:50 pm -
Nonstop6h 30m
Deal found 9/6$470
Sun 9/2711:20 pm -
Nonstop5h 50m
Fri 10/24:50 pm -
Nonstop6h 30m
Deal found 9/6$471
Mon 9/288:30 pm -
Nonstop5h 55m
Fri 10/24:50 pm -
Nonstop6h 30m
Deal found 9/6$472
Thu 10/298:40 pm -
Nonstop5h 50m
Sun 11/14:50 pm -
Nonstop6h 40m
Deal found 9/6$473
Wed 9/168:30 pm -
Nonstop5h 55m
Fri 9/257:50 pm -
Nonstop6h 25m
Deal found 9/9$474

Find flight deals from Dulles Intl to Iceland

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$459
(Gotogate)

One-way from

$349
(Cheapflightsfares)

Popular in

December

Cheapest in

February

Average price

$502

Good round-trip deal

$578 or less

Good one-way deal

$302 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 Washington, D.C. Dulles Intl to Iceland
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One-way flight from Washington, D.C. Dulles Intl to Iceland
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Highest demand for flights based on searches. 3% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Iceland.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Iceland.
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Cheapflights Fare Finder

 
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 Washington, D.C. Dulles Intl - KEF Reykjavik Keflavik Intl

IADKEF

Washington, D.C. Dulles Intl

Tue 10/27

6:25 pm-10:50 am

3 stops36h 25m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-7:00 pm

Nonstop0h 00m

$429

Washington, D.C.Reykjavik

IAD Washington, D.C. Dulles Intl - KEF Reykjavik Keflavik Intl

IADKEF

Washington, D.C. Dulles Intl

Sat 9/19

8:15 am-7:55 am

2 stops19h 40m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-7:00 pm

Nonstop0h 00m

$439
Quickest round-trip

Washington, D.C.Reykjavik

IAD Washington, D.C. Dulles Intl - KEF Reykjavik Keflavik Intl

IADKEF

Washington, D.C. Dulles Intl

Wed 11/25

7:40 pm-6:30 am

Nonstop5h 50m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-7:00 pm

Nonstop0h 00m

$443

Washington, D.C.Reykjavik

IAD Washington, D.C. Dulles Intl - KEF Reykjavik Keflavik Intl

IADKEF

Washington, D.C. Dulles Intl

Thu 11/26

7:40 pm-6:30 am

Nonstop5h 50m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-7:00 pm

Nonstop0h 00m

$443

Washington, D.C.Reykjavik

IAD Washington, D.C. Dulles Intl - KEF Reykjavik Keflavik Intl

IADKEF

Washington, D.C. Dulles Intl

Tue 9/15

8:30 pm-6:25 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-7:00 pm

Nonstop0h 00m

$491

Washington, D.C.Reykjavik

IAD Washington, D.C. Dulles Intl - KEF Reykjavik Keflavik Intl

IADKEF

Washington, D.C. Dulles Intl

Fri 10/9

8:30 pm-6:25 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-7:00 pm

Nonstop0h 00m

$498

Washington, D.C.Reykjavik

IAD Washington, D.C. Dulles Intl - KEF Reykjavik Keflavik Intl

IADKEF

Washington, D.C. Dulles Intl

Sat 10/17

3:45 pm-7:55 am

1 stop12h 10m

Reykjavik Keflavik Intl

Mon 11/2

12:00 pm-9:13 pm

1 stop14h 13m

$500

Washington, D.C.Reykjavik

IAD Washington, D.C. Dulles Intl - KEF Reykjavik Keflavik Intl

IADKEF

Washington, D.C. Dulles Intl

Thu 9/17

12:43 pm-7:55 am

1 stop15h 12m

Reykjavik Keflavik Intl

Mon 9/21

11:30 am-1:55 pm

Nonstop6h 25m

$504

Washington, D.C.Reykjavik

IAD Washington, D.C. Dulles Intl - KEF Reykjavik Keflavik Intl

IADKEF

Washington, D.C. Dulles Intl

Thu 12/3

10:10 pm-10:00 am

1 stop30h 50m

Reykjavik Keflavik Intl

Thu 12/10

12:00 pm-9:05 pm

1 stop14h 05m

$507

Washington, D.C.Reykjavik

IAD Washington, D.C. Dulles Intl - KEF Reykjavik Keflavik Intl

IADKEF

Washington, D.C. Dulles Intl

Wed 11/25

8:30 pm-5:20 pm

1 stop15h 50m

Reykjavik Keflavik Intl

Wed 12/31

12:00 am-7:00 pm

Nonstop0h 00m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

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 $731). 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?

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

The most flights from IAD to IS0 are scheduled on a Monday (2 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 14% of weekly flights between Washington, D.C. and Iceland have experienced delays in the past year, with the average delay time being 170 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 at night tend to experience delays more often.

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

Saturday tends to have the lowest number of delays on this route, whereas Sunday 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 12% 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

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
10,194 reviews

Boarding

7.7

Overall

7.4

Food

6.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

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
10,194 reviews
United Airlines
7.4
Good
10,194 reviews

Boarding

7.7

Overall

7.4

Food

6.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

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
6.9
Okay
741 reviews
United Airlines
7.4
Good
10,194 reviews

Boarding

7.7

Overall

7.4

Food

6.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

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

  • 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 12h 10m. 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 $243. On average you can expect to pay $1,377. The most popular route, (Washington, D.C. Dulles Intl - Reykjavik Keflavik Intl), can usually be booked for $323.

  • 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 $731). 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

Top 2 airlines flying from Dulles Intl to Iceland

AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$361Average$618FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$499Average$834FlexibilityNo cancel feeOn-time69%

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