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Klagenfurt

$473+ Cheap flights from Dulles Intl (IAD) to Klagenfurt (KLU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KLU
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Dulles Intl to Klagenfurt

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Klagenfurt (KLU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Round-trip from

$1,075
(Austrian Airlines)

One-way from

$473
(Kiwi.com)
From Washington, D.C. Dulles Intl to Klagenfurt
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One-way flight from Washington, D.C. Dulles Intl to Klagenfurt
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Find flight deals from Dulles Intl to Klagenfurt

Best flights from Dulles Intl to Klagenfurt
Discover carefully curated flight deals from Dulles Intl to Klagenfurt that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

This Austrian Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:00 pmIAD - KLU
1 stop23h 25mAustrian Airlines
Sun 3/152:40 pmKLU - IAD
1 stop30h 00mAustrian Airlines
Deal found 10/26$1,075
This Lufthansa deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:00 pmIAD - KLU
2 stops23h 25mLufthansa
Sun 3/152:40 pmKLU - IAD
2 stops55h 10mLufthansa
Deal found 10/25$1,077

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Klagenfurt 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, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Klagenfurt that are best for you.

Fly from

Dulles Intl

Fly to

Klagenfurt

Route

Depart

Return

Price

Washington, D.C.Klagenfurt

IAD - KLU

IADKLU

Washington, D.C. Dulles Intl

Wed 3/11

7:00 pm-11:25 pm

1 stop23h 25m

Klagenfurt

Sun 3/15

2:40 pm-3:40 pm

1 stop30h 00m

$1,075

Washington, D.C.Klagenfurt

IAD - KLU

IADKLU

Washington, D.C. Dulles Intl

Wed 3/11

7:00 pm-11:25 pm

2 stops23h 25m

Klagenfurt

Sun 3/15

2:40 pm-4:50 pm

2 stops55h 10m

$1,077

Washington, D.C.Klagenfurt

IAD - KLU

IADKLU

Washington, D.C. Dulles Intl

Thu 11/6

4:00 pm-9:05 am

3 stops35h 05m

$473

Washington, D.C.Klagenfurt

IAD - KLU

IADKLU

Washington, D.C. Dulles Intl

Thu 11/6

6:00 pm-1:55 pm

1 stop13h 55m

$1,678

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Best time to book a flight from Dulles Intl to Klagenfurt

Have a flexible travel schedule? Discover the best time to fly to Klagenfurt from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Klagenfurt. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Klagenfurt from Washington, D.C. Dulles Intl?

    Klagenfurt (KLU), located 2.0 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Klagenfurt. 0 airlines have flights to Klagenfurt from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Klagenfurt should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Klagenfurt?

    A quick flight from Washington, D.C. Dulles Intl Airport to Klagenfurt can take about 23h 25m. Austrian Airlines provides one of the quickest options available for as low as $1,075. There are 4409 mi between Washington, D.C. Dulles Intl Airport and Klagenfurt.

  • Can I find deals for flights from Dulles Intl to Klagenfurt that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Klagenfurt flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Klagenfurt?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Klagenfurt.

  • Can I find deals for business class flights from Dulles Intl to Klagenfurt?

    Yes. Cheapflights offers flight deals from Dulles Intl to Klagenfurt by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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