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Cheap flights from Klagenfurt to Washington, D.C. from $389

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Klagenfurt to Washington, D.C. departing on 10/14. 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 Klagenfurt to Washington, D.C. (KLU-WAS)

Cheap round-trip flights

Lufthansa Logo
5:45 am - 1:30 pmKLU-IAD
13h 45m2 stops
Lufthansa Logo
6:10 pm - 2:00 pmIAD-KLU
13h 50m2 stops
$739Lufthansa
Find Deal
sáb., ago. 30 - mié., sep. 3
Austrian Airlines Logo
3:00 pm - 2:35 pmKLU-IAD
29h 35m1 stop
Austrian Airlines Logo
5:25 pm - 2:00 pmIAD-KLU
14h 35m1 stop
$744Austrian Airlines
Find Deal
jue., oct. 2 - dom., oct. 5
Austrian Airlines Logo
5:45 am - 2:35 pmKLU-IAD
14h 50m1 stop
Austrian Airlines Logo
5:45 pm - 11:25 pmIAD-KLU
23h 40m2 stops
$746Austrian Airlines
Find Deal
jue., oct. 2 - dom., oct. 5
Lufthansa Logo
5:45 am - 3:50 pmKLU-IAD
16h 05m2 stops
Lufthansa Logo
10:20 pm - 11:25 pmIAD-KLU
19h 05m2 stops
$747Lufthansa
Find Deal
jue., oct. 2 - dom., oct. 5
Austrian Airlines Logo
5:45 am - 2:35 pmKLU-IAD
14h 50m1 stop
Austrian Airlines Logo
5:25 pm - 11:25 pmIAD-KLU
24h 00m1 stop
$748Austrian Airlines
Find Deal
jue., oct. 2 - dom., oct. 5
Austrian Airlines Logo
5:45 am - 2:35 pmKLU-IAD
14h 50m1 stop
Austrian Airlines Logo
5:45 pm - 2:00 pmIAD-KLU
14h 15m2 stops
$750Austrian Airlines
Find Deal
jue., oct. 2 - dom., oct. 5
Lufthansa Logo
5:45 am - 3:50 pmKLU-IAD
16h 05m2 stops
Lufthansa Logo
10:20 pm - 11:25 pmIAD-KLU
19h 05m2 stops
$751Lufthansa
Find Deal
jue., oct. 2 - dom., oct. 5
Logo
5:45 am - 2:35 pmKLU-IAD
14h 50m1 stop
Logo
5:40 pm - 2:00 pmIAD-KLU
14h 20m2 stops
$809
Find Deal
sáb., ago. 30 - mié., sep. 3
Logo
5:45 am - 2:35 pmKLU-IAD
14h 50m1 stop
Logo
5:25 pm - 2:00 pmIAD-KLU
14h 35m1 stop
$1,012
Find Deal
sáb., ago. 30 - mié., sep. 3
Logo
5:45 am - 9:01 pmKLU-IAD
21h 16m3 stops
Logo
9:35 am - 2:00 pmIAD-KLU
22h 25m2 stops
$1,202
Find Deal
sáb., ago. 30 - mié., sep. 3

Austrian Airlines flights from Klagenfurt to Washington, D.C.

Our best Austrian Airlines deals on Klagenfurt to Washington, D.C. flight tickets
Austrian Airlines
Oct 2
KLU3:00 pmKlagenfurt
29h 35m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Oct 5
IAD5:25 pmWashington, D.C. Dulles Intl
14h 35m
1 stop
KLU2:00 pmKlagenfurt
$744
Find similar
Austrian Airlines
Oct 2
KLU5:45 amKlagenfurt
14h 50m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Oct 5
IAD5:45 pmWashington, D.C. Dulles Intl
23h 40m
2 stops
KLU11:25 pmKlagenfurt
$746
Find similar
Austrian Airlines
Oct 2
KLU5:45 amKlagenfurt
14h 50m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Oct 5
IAD5:25 pmWashington, D.C. Dulles Intl
24h 00m
1 stop
KLU11:25 pmKlagenfurt
$748
Find similar

Lufthansa flights from Klagenfurt to Washington, D.C.

Our best Lufthansa deals on Klagenfurt to Washington, D.C. flight tickets
Lufthansa
Aug 30
KLU5:45 amKlagenfurt
13h 45m
2 stops
IAD1:30 pmWashington, D.C. Dulles Intl
Sep 3
IAD6:10 pmWashington, D.C. Dulles Intl
13h 50m
2 stops
KLU2:00 pmKlagenfurt
$739
Find similar
Lufthansa
Oct 2
KLU5:45 amKlagenfurt
16h 05m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
Oct 5
IAD10:20 pmWashington, D.C. Dulles Intl
19h 05m
2 stops
KLU11:25 pmKlagenfurt
$747
Find similar
Lufthansa
Oct 2
KLU5:45 amKlagenfurt
16h 05m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
Oct 5
IAD10:20 pmWashington, D.C. Dulles Intl
19h 05m
2 stops
KLU11:25 pmKlagenfurt
$751
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Klagenfurt to Washington, D.C. 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 agosto 14, 2025.
Use the filters below to find and compare flights from Klagenfurt to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

sáb. 8/30

5:45 am-1:30 pm

2 stops13h 45m

Washington, D.C. Dulles Intl

mié. 9/3

6:10 pm-2:00 pm

2 stops13h 50m

$739

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

jue. 10/2

3:00 pm-2:35 pm

1 stop29h 35m

Washington, D.C. Dulles Intl

dom. 10/5

5:25 pm-2:00 pm

1 stop14h 35m

$744

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

jue. 10/2

5:45 am-2:35 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

dom. 10/5

5:45 pm-11:25 pm

2 stops23h 40m

$746

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

jue. 10/2

5:45 am-3:50 pm

2 stops16h 05m

Washington, D.C. Dulles Intl

dom. 10/5

10:20 pm-11:25 pm

2 stops19h 05m

$747

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

jue. 10/2

5:45 am-2:35 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

dom. 10/5

5:25 pm-11:25 pm

1 stop24h 00m

$748

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

jue. 10/2

5:45 am-2:35 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

dom. 10/5

5:45 pm-2:00 pm

2 stops14h 15m

$750

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

jue. 10/2

5:45 am-3:50 pm

2 stops16h 05m

Washington, D.C. Dulles Intl

dom. 10/5

10:20 pm-11:25 pm

2 stops19h 05m

$751

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

sáb. 8/30

5:45 am-2:35 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

mié. 9/3

5:40 pm-2:00 pm

2 stops14h 20m

$809

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

sáb. 8/30

5:45 am-2:35 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

mié. 9/3

5:25 pm-2:00 pm

1 stop14h 35m

$1,012

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

sáb. 8/30

5:45 am-9:01 pm

3 stops21h 16m

Washington, D.C. Dulles Intl

mié. 9/3

9:35 am-2:00 pm

2 stops22h 25m

$1,202

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Klagenfurt to Washington, D.C.

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 airline that flies from Klagenfurt to Washington, D.C.?

Austrian Airlines is the most popular carrier operating from Klagenfurt to Washington, D.C.

When to book flights from Klagenfurt to Washington, D.C.

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

Cheap Klagenfurt to Washington, D.C. (KLU to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Klagenfurt to Washington, D.C.

Best Price Found

$389

Fastest flight time

13h 45m

Direct flights

None

Airports in Washington, D.C.

1 airport
The best one-way flight to Washington, D.C. from Klagenfurt in the past 72 hours is $389. The best round-trip flight deal from Klagenfurt to Washington, D.C. found on momondo in the last 72 hours is $739.
The fastest flight from Klagenfurt to Washington, D.C. takes 13h 45m
There are no direct flights from Klagenfurt to Washington, D.C.. Popular non-direct route for this connection is Klagenfurt Airport - Washington, D.C. Dulles Intl Airport.
There is 1 airport near Washington, D.C.: Washington, D.C. Dulles Intl (IAD)
Search flight deals

  • How far is Klagenfurt to Washington, D.C. by plane?

    There are 4394.0 mi between Klagenfurt and Washington, D.C.. 13h 45m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Klagenfurt Airport to Washington, D.C.?

    Prices for flights from Klagenfurt Airport to Washington, D.C. are updated daily.

  • How many operators does momondo search for flights from Klagenfurt Airport to Washington, D.C.?

  • How old do you have to be to fly from Klagenfurt Airport to Washington, D.C.?

    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 Klagenfurt Airport to Washington, D.C..

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

    The travel and health documents you'll need for your trip to Washington, D.C. 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.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Klagenfurt to Washington, D.C.

Compare and see reviews for airlines that fly from Klagenfurt to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
Austrian AirlinesPriceFrom $738Free CancellationRating
7.6
829 reviews
Search Austrian Airlines flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Woodbridge
Tysons
Laurel
Silver Spring
Waldorf
Fredericksburg
Colonial Beach
Manassas
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie
Linthicum Heights
Springfield

Why use momondo?

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

It is quick and easy to find Klagenfurt 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 Klagenfurt to Washington, D.C. with flexible booking policies on momondo?

All flight searches from Klagenfurt to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Klagenfurt.

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

Of course. momondo tracks the price of Klagenfurt to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport