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Klagenfurt

$1,078+ Cheap flights from Dulles Intl (IAD) to Klagenfurt (KLU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KLU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$1,078
(Flightnetwork)
From Washington, D.C. Dulles Intl to Klagenfurt
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Find flight deals from Dulles Intl to Klagenfurt

Cheapest flights from Dulles Intl to Klagenfurt
Explore the most affordable flight options available from Dulles Intl to Klagenfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Flightnetwork deal was found by Cheapflights users on 6/11. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/265:25 pmIAD - KLU
1 stop24h 00mMultiple Airlines
Sat 8/25:45 amKLU - IAD
2 stops16h 05mMultiple Airlines
Deal found 6/11$1,078
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2610:20 pmIAD - KLU
2 stops19h 05mLufthansa
Sat 8/25:45 amKLU - IAD
2 stops16h 05mLufthansa
Deal found 6/11$1,085
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/265:25 pmIAD - KLU
1 stop24h 00mAustrian Airlines
Sat 8/23:00 pmKLU - IAD
1 stop29h 35mAustrian Airlines
Deal found 6/11$1,170

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 June 12, 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

Sat 7/26

5:25 pm-11:25 pm

1 stop24h 00m

Klagenfurt

Sat 8/2

5:45 am-3:50 pm

2 stops16h 05m

$1,078

Washington, D.C.Klagenfurt

IAD - KLU

IADKLU

Washington, D.C. Dulles Intl

Sat 7/26

10:20 pm-11:25 pm

2 stops19h 05m

Klagenfurt

Sat 8/2

5:45 am-3:50 pm

2 stops16h 05m

$1,085

Washington, D.C.Klagenfurt

IAD - KLU

IADKLU

Washington, D.C. Dulles Intl

Sat 7/26

5:25 pm-11:25 pm

1 stop24h 00m

Klagenfurt

Sat 8/2

3:00 pm-2:35 pm

1 stop29h 35m

$1,170

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Klagenfurt

Rainfall in Klagenfurt by month

Plan your trip to Klagenfurt by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Klagenfurt ranges from 1.6 - 4.3 inches per month. June is typically the wettest month, when rainfall can reach 4.3 in. January is typically the driest time to visit Klagenfurt when rainfall is around 1.6 in.

Temperature in Klagenfurt by month

Plan your trip to Klagenfurt by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Klagenfurt, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Klagenfurt

Get insights into the airlines that provide service to Klagenfurt. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Klagenfurt. Reviews last updated June 12, 2025.
Austrian Airlines
7.6
Good
802 reviews

Entertainment

6.8

Boarding

7.6

Comfort

7.3

Food

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Shuguang,May 2025

VIE - BOS

I will fly again and highly recommend Austrian Airlines to my family, friends and colleagues!
Austrian Airlines
7.6
Good
802 reviews
Austrian Airlines
7.6
Good
802 reviews

Entertainment

6.8

Boarding

7.6

Comfort

7.3

Food

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Shuguang,May 2025

VIE - BOS

I will fly again and highly recommend Austrian Airlines to my family, friends and colleagues!
Lufthansa
6.8
Okay
7,136 reviews
Austrian Airlines
7.6
Good
802 reviews

Entertainment

6.8

Boarding

7.6

Comfort

7.3

Food

6.8

Overall

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Shuguang,May 2025

VIE - BOS

I will fly again and highly recommend Austrian Airlines to my family, friends and colleagues!

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.

  • 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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