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Cheap flights from Reykjavik Keflavik Intl Airport to Washington, D.C. from $390

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Reykjavik Keflavik Intl Airport to Washington, D.C. departing on 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Reykjavik Keflavik Intl Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
4:50 pm - 7:30 pmKEF-IAD
6h 40mnonstop
Icelandair Logo
7:40 pm - 6:35 amIAD-KEF
5h 55mnonstop
$492Icelandair
Find Deal
Thu, Oct 30 - Sat, Nov 8
Icelandair Logo
4:50 pm - 7:30 pmKEF-IAD
6h 40mnonstop
Icelandair Logo
7:40 pm - 6:35 amIAD-KEF
5h 55mnonstop
$524Icelandair
Find Deal
Thu, Oct 30 - Sat, Nov 8
Icelandair Logo
4:50 pm - 6:30 pmKEF-IAD
6h 40mnonstop
Icelandair Logo
7:40 pm - 6:35 amIAD-KEF
5h 55mnonstop
$596Icelandair
Find Deal
Thu, Nov 27 - Thu, Dec 4
Multiple Airlines Logo
4:50 pm - 6:30 pmKEF-IAD
6h 40mnonstop
Multiple Airlines Logo
11:40 am - 6:25 amIAD-KEF
13h 45m1 stop
$690Multiple Airlines
Find Deal
Fri, Dec 5 - Thu, Dec 11
Scandinavian Airlines Logo
11:30 am - 6:50 pmKEF-IAD
36h 20m1 stop
Scandinavian Airlines Logo
12:19 pm - 10:45 amIAD-KEF
17h 26m2 stops
$737Scandinavian Airlines
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Fri, Dec 5 - Thu, Dec 11
Multiple Airlines Logo
4:50 pm - 7:30 pmKEF-IAD
6h 40mnonstop
Multiple Airlines Logo
5:30 pm - 11:40 pmIAD-KEF
25h 10m2 stops
$771Multiple Airlines
Find Deal
Thu, Oct 30 - Sat, Nov 8
Multiple Airlines Logo
4:50 pm - 7:30 pmKEF-IAD
6h 40mnonstop
Multiple Airlines Logo
5:30 pm - 11:40 pmIAD-KEF
25h 10m2 stops
$772Multiple Airlines
Find Deal
Thu, Oct 30 - Sat, Nov 8
American Airlines Logo
6:10 pm - 3:35 pmKEF-IAD
26h 25m1 stop
American Airlines Logo
6:20 pm - 5:15 pmIAD-KEF
17h 55m1 stop
$807American Airlines
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Fri, Dec 5 - Thu, Dec 11
Scandinavian Airlines Logo
11:30 am - 7:08 pmKEF-IAD
36h 38m2 stops
Scandinavian Airlines Logo
12:19 pm - 10:45 amIAD-KEF
17h 26m2 stops
$910Scandinavian Airlines
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Thu, Nov 27 - Thu, Dec 4
TAP AIR PORTUGAL Logo
7:40 am - 9:00 pmKEF-IAD
18h 20m2 stops
TAP AIR PORTUGAL Logo
5:30 pm - 2:10 pmIAD-KEF
15h 40m2 stops
$979TAP AIR PORTUGAL
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Fri, Dec 5 - Thu, Dec 11

Lufthansa flights from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport

Our best Lufthansa deals on Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Lufthansa
Oct 30
KEF3:20 pmReykjavik Keflavik Intl
33h 45m
1 stop
IAD9:05 pmWashington, D.C. Dulles Intl
Nov 8
IAD6:00 pmWashington, D.C. Dulles Intl
15h 20m
1 stop
KEF2:20 pmReykjavik Keflavik Intl
$1,275
Find similar
Lufthansa
Oct 30
KEF3:20 pmReykjavik Keflavik Intl
33h 45m
1 stop
IAD9:05 pmWashington, D.C. Dulles Intl
Nov 8
IAD6:00 pmWashington, D.C. Dulles Intl
15h 20m
1 stop
KEF2:20 pmReykjavik Keflavik Intl
$1,296
Find similar
Lufthansa
Oct 30
KEF3:20 pmReykjavik Keflavik Intl
33h 45m
1 stop
IAD9:05 pmWashington, D.C. Dulles Intl
Nov 8
IAD6:00 pmWashington, D.C. Dulles Intl
15h 20m
1 stop
KEF2:20 pmReykjavik Keflavik Intl
$1,514
Find similar

Icelandair flights from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport

Our best Icelandair deals on Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Icelandair
Oct 30
KEF4:50 pmReykjavik Keflavik Intl
6h 40m
IAD7:30 pmWashington, D.C. Dulles Intl
Nov 8
IAD7:40 pmWashington, D.C. Dulles Intl
5h 55m
KEF6:35 amReykjavik Keflavik Intl
$492
Find similar
Icelandair
Oct 30
KEF4:50 pmReykjavik Keflavik Intl
6h 40m
IAD7:30 pmWashington, D.C. Dulles Intl
Nov 8
IAD7:40 pmWashington, D.C. Dulles Intl
5h 55m
KEF6:35 amReykjavik Keflavik Intl
$524
Find similar
Icelandair
Oct 23
KEF4:50 pmReykjavik Keflavik Intl
6h 30m
IAD7:20 pmWashington, D.C. Dulles Intl
Oct 30
IAD8:40 pmWashington, D.C. Dulles Intl
5h 55m
KEF6:35 amReykjavik Keflavik Intl
$574
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated October 14, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 10/30

4:50 pm-7:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Sat 11/8

7:40 pm-6:35 am

Nonstop5h 55m

$492

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 10/30

4:50 pm-7:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Sat 11/8

7:40 pm-6:35 am

Nonstop5h 55m

$524

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 11/27

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Thu 12/4

7:40 pm-6:35 am

Nonstop5h 55m

$596

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 12/5

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Thu 12/11

11:40 am-6:25 am

1 stop13h 45m

$690

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 12/5

11:30 am-6:50 pm

1 stop36h 20m

Washington, D.C. Dulles Intl

Thu 12/11

12:19 pm-10:45 am

2 stops17h 26m

$737

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 10/30

4:50 pm-7:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Sat 11/8

5:30 pm-11:40 pm

2 stops25h 10m

$771

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 10/30

4:50 pm-7:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Sat 11/8

5:30 pm-11:40 pm

2 stops25h 10m

$772

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 12/5

6:10 pm-3:35 pm

1 stop26h 25m

Washington, D.C. Dulles Intl

Thu 12/11

6:20 pm-5:15 pm

1 stop17h 55m

$807

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 11/27

11:30 am-7:08 pm

2 stops36h 38m

Washington, D.C. Dulles Intl

Thu 12/4

12:19 pm-10:45 am

2 stops17h 26m

$910

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 12/5

7:40 am-9:00 pm

2 stops18h 20m

Washington, D.C. Dulles Intl

Thu 12/11

5:30 pm-2:10 pm

2 stops15h 40m

$979

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $486. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport for around $787.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Reykjavik Keflavik Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $548 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $609 on average. Flights to Washington, D.C. Dulles Intl Airport from Reykjavik Keflavik Intl Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Reykjavik Keflavik Intl to Washington, D.C. Dulles Intl flight route?

Fly from Reykjavik Keflavik Intl to Washington, D.C. Dulles Intl for the best Reykjavik Keflavik Intl - Washington, D.C. Dulles Intl flight prices

What cabin class options are available on Reykjavik Keflavik Intl to Washington, D.C. Dulles Intl flights?

There are 3 cabin classes available to choose from on Reykjavik Keflavik Intl to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of October 2025, prices for Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 96% more expensive when compared to flights at the same time last year.

When to book flights from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport (KEF to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport

Best Price Found

$446

Fastest flight time

6h 30m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Reykjavik Keflavik Intl Airport in the past 72 hours is $446. The best round-trip flight deal from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $1,390.
The fastest flight from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport takes 6h 30m
Direct flights go from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport every day.
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  • How far is Reykjavik Keflavik Intl to Washington, D.C. Dulles Intl by plane?

    There are 2790.6 mi between Reykjavik Keflavik Intl and Washington, D.C. Dulles Intl. By plane, this route typically takes 6h 40m.

  • When did momondo last update prices for flights from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $476Free CancellationRating
7.0
556 reviews
Search Icelandair flights

  • Icelandair Flights From Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport

    Icelandair is one of the most popular airlines flying from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport, operating 5 flights/week on average for this route. A good Icelandair flight deal for Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport starts from $476 round-trip, up to an average price of $650. Our users have rated Icelandair at 7.0/10.

Traveling to a place near Washington, D.C.?

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Why use momondo?

Why should I use momondo to find a flight deal from Reykjavik to Washington, D.C.?

It is quick and easy to find Reykjavik to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Reykjavik to Washington, D.C. with flexible booking policies on momondo?

Flights from Reykjavik to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Reykjavik to Washington, D.C.?

momondo helps you find the best flight between Reykjavik and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Reykjavik to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Reykjavik to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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