Cheap United flights from Washington to Klagenfurt (IAD to KLU)

Find The Best Day To Fly from Washington to Klagenfurt

Discover our best United flight from Washington IAD to Klagenfurt KLU 

To find the best deals on flights to Washington from Klagenfurt with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Washington IAD to Klagenfurt KLU with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from to , it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Washington IAD to Klagenfurt KLU 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Washington to Klagenfurt costs from . Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Klagenfurt KLU from  Washington IAD with United 

To find a cheap United flight from Washington IAD to Klagenfurt KLU, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Washington IAD to Klagenfurt KLU 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as , or if you book a flight with a stopover. 

 

Find nonstop flights from Washington IAD to Klagenfurt KLU with United 

If you’re keen to be on Klagenfurt soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Washington IAD to Klagenfurt KLU 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Klagenfurt KLU from  Washington IAD with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Klagenfurt

Garner Hotel Klagenfurt Moser Verdino by IHG

Garner Hotel Klagenfurt Moser Verdino by IHG

4 out of 5
Jacques-Lemans-Platz 2, Klagenfurt am Woerthersee
A restaurant and a bar/lounge are featured at this hotel. WiFi in public areas is free. Self parking, a terrace, and a snack bar/deli are also offered.
9.2/10 Wonderful! (374 reviews)
"Happy with booking in, helpful front of house staff. Our room was spacious and a good sized bed. Bathroom was fine but the balconies were tiny, could not use other than to let the air in. We did not have breakfast here as we were so centrally placed."

Reviewed on Jul 24, 2025

Garner Hotel Klagenfurt Moser Verdino by IHG
ibis Styles Klagenfurt am Woerthersee

ibis Styles Klagenfurt am Woerthersee

3 out of 5
Viktringer Ring 28, Klagenfurt am Woerthersee
This hotel features a restaurant, a 24-hour gym, and a bar/lounge. Traveling on business? Take advantage of the business center and free WiFi in public areas. ...
9.2/10 Wonderful! (170 reviews)
Recommend
"Really helpful and friendly staff! I wish they had a laundry service, but I’m not sure any hotels in Klagenfurt have it."

Reviewed on Jul 13, 2025

ibis Styles Klagenfurt am Woerthersee
Hotel Sandwirth

Hotel Sandwirth

4 out of 5
Pernhartgasse 9, Klagenfurt am Woerthersee, Kärnten
This smoke-free hotel features a golf course, a full-service spa, and a restaurant. Traveling on business? Take advantage of the 11 conference rooms, free WiFi ...
8.6/10 Excellent! (478 reviews)
"An excellent value. First class all the way!"

Reviewed on Dec 16, 2024

Hotel Sandwirth
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.