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Cheap flights from Reykjavik Keflavik Intl Airport to Washington, D.C. from $358

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 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
7:50 pm - 10:15 pm
KEF
-
IAD
6h 25mnonstop
Icelandair Logo
8:30 pm - 6:25 am
IAD
-
KEF
5h 55mnonstop
$525Icelandair
Fri, Jul 17 - Sun, Jul 26
Icelandair Logo
4:50 pm - 7:20 pm
KEF
-
IAD
6h 30mnonstop
Icelandair Logo
8:30 pm - 6:25 am
IAD
-
KEF
5h 55mnonstop
$536Icelandair
Thu, Aug 27 - Wed, Sep 2
Icelandair Logo
4:50 pm - 6:30 pm
KEF
-
IAD
6h 40mnonstop
Icelandair Logo
7:40 pm - 6:30 am
IAD
-
KEF
5h 50mnonstop
$563Icelandair
Tue, Dec 1 - Wed, Dec 9
Icelandair Logo
7:50 pm - 10:15 pm
KEF
-
IAD
6h 25mnonstop
Icelandair Logo
8:30 pm - 6:25 am
IAD
-
KEF
5h 55mnonstop
$568Icelandair
Fri, Jul 17 - Sun, Jul 26
Icelandair Logo
7:50 pm - 10:15 pm
KEF
-
IAD
6h 25mnonstop
Icelandair Logo
8:30 pm - 6:25 am
IAD
-
KEF
5h 55mnonstop
$572Icelandair
Fri, Jul 17 - Sun, Jul 26
Icelandair Logo
4:50 pm - 7:20 pm
KEF
-
IAD
6h 30mnonstop
Icelandair Logo
7:40 pm - 6:30 am
IAD
-
KEF
5h 50mnonstop
$590Icelandair
Thu, Oct 1 - Sat, Nov 7
Icelandair Logo
4:50 pm - 7:20 pm
KEF
-
IAD
6h 30mnonstop
Icelandair Logo
8:30 pm - 6:25 am
IAD
-
KEF
5h 55mnonstop
$596Icelandair
Thu, Aug 27 - Wed, Sep 2
Icelandair Logo
4:50 pm - 7:20 pm
KEF
-
IAD
6h 30mnonstop
Icelandair Logo
8:30 pm - 6:25 am
IAD
-
KEF
5h 55mnonstop
$598Icelandair
Wed, Aug 12 - Wed, Aug 19
Icelandair Logo
4:50 pm - 7:20 pm
KEF
-
IAD
6h 30mnonstop
Icelandair Logo
8:30 pm - 6:25 am
IAD
-
KEF
5h 55mnonstop
$601Icelandair
Wed, Aug 12 - Wed, Aug 19
Icelandair Logo
4:50 pm - 7:20 pm
KEF
-
IAD
6h 30mnonstop
Icelandair Logo
8:30 pm - 6:25 am
IAD
-
KEF
5h 55mnonstop
$604Icelandair
Thu, Jul 16 - Sat, Jul 25

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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
Jul 17
KEF7:50 pmReykjavik Keflavik Intl
6h 25m
IAD10:15 pmWashington, D.C. Dulles Intl
Jul 26
IAD8:30 pmWashington, D.C. Dulles Intl
5h 55m
KEF6:25 amReykjavik Keflavik Intl
$525
Icelandair
Aug 27
KEF4:50 pmReykjavik Keflavik Intl
6h 30m
IAD7:20 pmWashington, D.C. Dulles Intl
Sep 2
IAD8:30 pmWashington, D.C. Dulles Intl
5h 55m
KEF6:25 amReykjavik Keflavik Intl
$536
Icelandair
Dec 1
KEF4:50 pmReykjavik Keflavik Intl
6h 40m
IAD6:30 pmWashington, D.C. Dulles Intl
Dec 8
IAD7:40 pmWashington, D.C. Dulles Intl
5h 50m
KEF6:30 amReykjavik Keflavik Intl
$563

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

Our best Air Canada deals on Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Jul 17
KEF9:15 amReykjavik Keflavik Intl
11h 20m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
Jul 26
IAD5:34 pmWashington, D.C. Dulles Intl
10h 21m
1 stop
KEF7:55 amReykjavik Keflavik Intl
$685
Air Canada
Jul 17
KEF9:15 amReykjavik Keflavik Intl
9h 46m
1 stop
IAD3:01 pmWashington, D.C. Dulles Intl
Jul 26
IAD5:34 pmWashington, D.C. Dulles Intl
10h 21m
1 stop
KEF7:55 amReykjavik Keflavik Intl
$686
Air Canada
Jul 17
KEF9:15 amReykjavik Keflavik Intl
11h 20m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
Jul 26
IAD5:06 pmWashington, D.C. Dulles Intl
11h 39m
2 stops
KEF8:45 amReykjavik Keflavik Intl
$688

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 July 4, 2026.
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

Cheapest round-trip
Quickest round-trip

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 7/17

7:50 pm-10:15 pm

Nonstop6h 25m

Washington, D.C. Dulles Intl

Sun 7/26

8:30 pm-6:25 am

Nonstop5h 55m

$525

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 8/27

4:50 pm-7:20 pm

Nonstop6h 30m

Washington, D.C. Dulles Intl

Wed 9/2

8:30 pm-6:25 am

Nonstop5h 55m

$536

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Tue 12/1

4:50 pm-6:30 pm

Nonstop6h 40m

Washington, D.C. Dulles Intl

Wed 12/9

7:40 pm-6:30 am

Nonstop5h 50m

$563

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 7/17

7:50 pm-10:15 pm

Nonstop6h 25m

Washington, D.C. Dulles Intl

Sun 7/26

8:30 pm-6:25 am

Nonstop5h 55m

$568

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 7/17

7:50 pm-10:15 pm

Nonstop6h 25m

Washington, D.C. Dulles Intl

Sun 7/26

8:30 pm-6:25 am

Nonstop5h 55m

$572

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 10/1

4:50 pm-7:20 pm

Nonstop6h 30m

Washington, D.C. Dulles Intl

Sat 11/7

7:40 pm-6:30 am

Nonstop5h 50m

$590

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 8/27

4:50 pm-7:20 pm

Nonstop6h 30m

Washington, D.C. Dulles Intl

Wed 9/2

8:30 pm-6:25 am

Nonstop5h 55m

$596

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Wed 8/12

4:50 pm-7:20 pm

Nonstop6h 30m

Washington, D.C. Dulles Intl

Wed 8/19

8:30 pm-6:25 am

Nonstop5h 55m

$598

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Wed 8/12

4:50 pm-7:20 pm

Nonstop6h 30m

Washington, D.C. Dulles Intl

Wed 8/19

8:30 pm-6:25 am

Nonstop5h 55m

$601

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Thu 7/16

4:50 pm-7:20 pm

Nonstop6h 30m

Washington, D.C. Dulles Intl

Sat 7/25

8:30 pm-6:25 am

Nonstop5h 55m

$604

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 $567. When flying out on a Tuesday, 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 $896.

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 $592 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,183 on average. Flights to Washington, D.C. Dulles Intl Airport from Reykjavik Keflavik Intl Airport in the morning 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 Airport to Washington, D.C. Dulles Intl Airport flights?

There are 2 cabin classes available to choose from on Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 14% on your flight if you consider stops on a Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport flight.

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

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

Fastest flight time

6h 25m

Direct flights

Every day
The fastest flight from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport takes 6h 25m
Direct flights go from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport

  • 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 25m.

  • 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 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?

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

Book flights to Washington, D.C. if you plan to visit one of these locations
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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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