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Cheap flights from Reykjavik Keflavik Intl Airport to Washington, D.C. from $354

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 5/18. 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
7:50 pm - 10:15 pm
KEF
-
IAD
6h 25mnonstop
Icelandair Logo
11:20 pm - 9:10 am
IAD
-
KEF
5h 50mnonstop
$608Icelandair
Fri, Sep 4 - Sat, Sep 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
$621Icelandair
Mon, Jun 1 - Mon, Jun 8
Icelandair Logo
4:50 pm - 7:20 pm
KEF
-
IAD
6h 30mnonstop
Icelandair Logo
11:20 pm - 9:10 am
IAD
-
KEF
5h 50mnonstop
$627Icelandair
Mon, May 18 - Wed, May 27
Icelandair Logo
4:50 pm - 7:20 pm
KEF
-
IAD
6h 30mnonstop
Icelandair Logo
8:30 pm - 6:25 am
IAD
-
KEF
5h 55mnonstop
$655Icelandair
Mon, May 18 - Mon, May 25
Icelandair Logo
4:50 pm - 7:20 pm
KEF
-
IAD
6h 30mnonstop
Icelandair Logo
11:20 pm - 9:10 am
IAD
-
KEF
5h 50mnonstop
$668Icelandair
Sun, May 17 - Sun, May 24
Multiple Airlines Logo
12:25 am - 3:15 pm
KEF
-
IAD
18h 50m
1 stop
Multiple Airlines Logo
3:45 pm - 7:55 am
IAD
-
KEF
12h 10m
1 stop
$756Multiple Airlines
Fri, May 29 - Sat, Jun 6
United Airlines Logo
11:30 am - 1:55 pm
KEF
-
IAD
6h 25mnonstop
United Airlines Logo
10:35 pm - 8:30 am
IAD
-
KEF
5h 55mnonstop
$761United Airlines
Mon, Jun 8 - Sun, Jun 14
United Airlines Logo
11:30 am - 1:55 pm
KEF
-
IAD
6h 25mnonstop
United Airlines Logo
3:39 pm - 8:50 am
IAD
-
KEF
13h 11m
1 stop
$764United Airlines
Wed, Jun 3 - Wed, Jun 10
United Airlines Logo
12:00 pm - 9:18 pm
KEF
-
IAD
13h 18m
1 stop
United Airlines Logo
10:35 pm - 8:30 am
IAD
-
KEF
5h 55mnonstop
$765United Airlines
Mon, May 18 - Wed, May 27
United Airlines Logo
11:30 am - 1:55 pm
KEF
-
IAD
6h 25mnonstop
United Airlines Logo
8:15 am - 8:50 am
IAD
-
KEF
20h 35m
1 stop
$766United Airlines
Mon, Jun 8 - Sun, Jun 14

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
Sep 4
KEF7:50 pmReykjavik Keflavik Intl
6h 25m
IAD10:15 pmWashington, D.C. Dulles Intl
Sep 19
IAD11:20 pmWashington, D.C. Dulles Intl
5h 50m
KEF9:10 amReykjavik Keflavik Intl
$608
Icelandair
Jun 1
KEF4:50 pmReykjavik Keflavik Intl
6h 30m
IAD7:20 pmWashington, D.C. Dulles Intl
Jun 8
IAD8:30 pmWashington, D.C. Dulles Intl
5h 55m
KEF6:25 amReykjavik Keflavik Intl
$621
Icelandair
May 18
KEF4:50 pmReykjavik Keflavik Intl
6h 30m
IAD7:20 pmWashington, D.C. Dulles Intl
May 27
IAD11:20 pmWashington, D.C. Dulles Intl
5h 50m
KEF9:10 amReykjavik Keflavik Intl
$627

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

Our best United Airlines deals on Reykjavik Keflavik Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jun 8
KEF11:30 amReykjavik Keflavik Intl
6h 25m
IAD1:55 pmWashington, D.C. Dulles Intl
Jun 14
IAD10:35 pmWashington, D.C. Dulles Intl
5h 55m
KEF8:30 amReykjavik Keflavik Intl
$761
United Airlines
Jun 3
KEF11:30 amReykjavik Keflavik Intl
6h 25m
IAD1:55 pmWashington, D.C. Dulles Intl
Jun 10
IAD3:39 pmWashington, D.C. Dulles Intl
13h 11m
1 stop
KEF8:50 amReykjavik Keflavik Intl
$764
United Airlines
May 18
KEF12:00 pmReykjavik Keflavik Intl
13h 18m
1 stop
IAD9:18 pmWashington, D.C. Dulles Intl
May 27
IAD10:35 pmWashington, D.C. Dulles Intl
5h 55m
KEF8:30 amReykjavik Keflavik Intl
$765

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 April 20, 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 9/4

7:50 pm-10:15 pm

Nonstop6h 25m

Washington, D.C. Dulles Intl

Sat 9/19

11:20 pm-9:10 am

Nonstop5h 50m

$608

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Mon 6/1

4:50 pm-7:20 pm

Nonstop6h 30m

Washington, D.C. Dulles Intl

Mon 6/8

8:30 pm-6:25 am

Nonstop5h 55m

$621

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Mon 5/18

4:50 pm-7:20 pm

Nonstop6h 30m

Washington, D.C. Dulles Intl

Wed 5/27

11:20 pm-9:10 am

Nonstop5h 50m

$627

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Mon 5/18

4:50 pm-7:20 pm

Nonstop6h 30m

Washington, D.C. Dulles Intl

Mon 5/25

8:30 pm-6:25 am

Nonstop5h 55m

$655

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Sun 5/17

4:50 pm-7:20 pm

Nonstop6h 30m

Washington, D.C. Dulles Intl

Sun 5/24

11:20 pm-9:10 am

Nonstop5h 50m

$668

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Fri 5/29

12:25 am-3:15 pm

1 stop18h 50m

Washington, D.C. Dulles Intl

Sat 6/6

3:45 pm-7:55 am

1 stop12h 10m

$756

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Mon 6/8

11:30 am-1:55 pm

Nonstop6h 25m

Washington, D.C. Dulles Intl

Sun 6/14

10:35 pm-8:30 am

Nonstop5h 55m

$761

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Wed 6/3

11:30 am-1:55 pm

Nonstop6h 25m

Washington, D.C. Dulles Intl

Wed 6/10

3:39 pm-8:50 am

1 stop13h 11m

$764

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Mon 5/18

12:00 pm-9:18 pm

1 stop13h 18m

Washington, D.C. Dulles Intl

Wed 5/27

10:35 pm-8:30 am

Nonstop5h 55m

$765

ReykjavikWashington, D.C.

KEF - IAD

KEFIAD

Reykjavik Keflavik Intl

Mon 6/8

11:30 am-1:55 pm

Nonstop6h 25m

Washington, D.C. Dulles Intl

Sun 6/14

8:15 am-8:50 am

1 stop20h 35m

$766

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 Friday 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 $592. 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 $588 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 $721 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?

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.
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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 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 $532Free CancellationRating
7.0
637 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 8 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 $532 round-trip, up to an average price of $658. Our users have rated Icelandair at 7.0/10.

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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