Latest deals
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Klagenfurt to Washington, D.C. from $818

This is the cheapest round-trip 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 11/13. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Klagenfurt to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Austrian Airlines Logo
5:45 am - 2:40 pmKLU-IAD
14h 55m1 stop
Austrian Airlines Logo
6:00 pm - 1:55 pmIAD-KLU
13h 55m1 stop
$818Austrian Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
Austrian Airlines Logo
5:45 am - 2:40 pmKLU-IAD
14h 55m1 stop
Austrian Airlines Logo
6:20 pm - 1:55 pmIAD-KLU
37h 35m2 stops
$820Austrian Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
Lufthansa Logo
5:45 am - 8:15 pmKLU-IAD
20h 30m2 stops
Lufthansa Logo
5:40 pm - 1:55 pmIAD-KLU
14h 15m2 stops
$821Lufthansa
Find Deal
Thu, Nov 13 - Sun, Nov 16
Lufthansa Logo
5:45 am - 9:15 pmKLU-IAD
20h 30m2 stops
Lufthansa Logo
6:40 pm - 1:55 pmIAD-KLU
14h 15m2 stops
$823Lufthansa
Find Deal
Thu, Mar 12 - Sun, Mar 15

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

Our best Austrian Airlines deals on Klagenfurt to Washington, D.C. flight tickets
Austrian Airlines
Nov 13
KLU5:45 amKlagenfurt
14h 55m
1 stop
IAD2:40 pmWashington, D.C. Dulles Intl
Nov 16
IAD6:00 pmWashington, D.C. Dulles Intl
13h 55m
1 stop
KLU1:55 pmKlagenfurt
$818
Find similar
Austrian Airlines
Nov 13
KLU5:45 amKlagenfurt
14h 55m
1 stop
IAD2:40 pmWashington, D.C. Dulles Intl
Nov 16
IAD6:20 pmWashington, D.C. Dulles Intl
37h 35m
2 stops
KLU1:55 pmKlagenfurt
$820
Find similar
Austrian Airlines
Nov 3
KLU5:45 amKlagenfurt
14h 55m
1 stop
IAD2:40 pmWashington, D.C. Dulles Intl
Nov 26
IAD6:00 pmWashington, D.C. Dulles Intl
23h 25m
1 stop
KLU11:25 pmKlagenfurt
$1,160
Find similar

Lufthansa flights from Klagenfurt to Washington, D.C.

Our best Lufthansa deals on Klagenfurt to Washington, D.C. flight tickets
Lufthansa
Nov 13
KLU5:45 amKlagenfurt
20h 30m
2 stops
IAD8:15 pmWashington, D.C. Dulles Intl
Nov 16
IAD5:40 pmWashington, D.C. Dulles Intl
14h 15m
2 stops
KLU1:55 pmKlagenfurt
$821
Find similar
Lufthansa
Mar 12
KLU5:45 amKlagenfurt
20h 30m
2 stops
IAD9:15 pmWashington, D.C. Dulles Intl
Mar 15
IAD6:40 pmWashington, D.C. Dulles Intl
14h 15m
2 stops
KLU1:55 pmKlagenfurt
$823
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 October 27, 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

Thu 11/13

5:45 am-2:40 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Sun 11/16

6:00 pm-1:55 pm

1 stop13h 55m

$818

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Thu 11/13

5:45 am-2:40 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Sun 11/16

6:20 pm-1:55 pm

2 stops37h 35m

$820

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Thu 11/13

5:45 am-8:15 pm

2 stops20h 30m

Washington, D.C. Dulles Intl

Sun 11/16

5:40 pm-1:55 pm

2 stops14h 15m

$821

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Thu 3/12

5:45 am-9:15 pm

2 stops20h 30m

Washington, D.C. Dulles Intl

Sun 3/15

6:40 pm-1:55 pm

2 stops14h 15m

$823

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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.

Direct flights

None
There are no direct flights from Klagenfurt to Washington, D.C.. There are no popular flight routes from Klagenfurt to Washington, D.C..
Search flight deals

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

    There are 4394.0 mi between Klagenfurt and Washington, D.C.. 14h 55m 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
861 reviews
Search Austrian Airlines flights

  • How do I get Price Alerts for flights from Klagenfurt to Washington, D.C.?

    Price Alerts will notify you by email when the price for flights to Washington, D.C. from Klagenfurt decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Klagenfurt to Washington, D.C. with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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

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

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.

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 11/26
Wed 12/3
By creating a price alert you accept our terms of use and privacy policy.

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