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Klagenfurt

$752+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KLU
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 July 28, 2025.

Round-trip from

$752
(Gotogate)
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 July 28, 2025.

This Gotogate deal was found by Cheapflights users on 7/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:35 amIAD - KLU
2 stops22h 25mMultiple Airlines
Tue 9/165:45 amKLU - IAD
2 stops21h 20mMultiple Airlines
Deal found 7/26$752
This Gotogate deal was found by Cheapflights users on 7/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:25 pmIAD - KLU
1 stop24h 00mAustrian Airlines
Tue 9/165:45 amKLU - IAD
1 stop14h 50mAustrian Airlines
Deal found 7/26$775
This KAYAK deal was found by Cheapflights users on 7/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1610:20 pmIAD - KLU
2 stops19h 05mLufthansa
Mon 10/203:00 pmKLU - IAD
2 stops34h 25mLufthansa
Deal found 7/27$898
This Air Canada deal was found by Cheapflights users on 7/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/163:36 pmIAD - KLU
3 stops16h 24mAir Canada
Mon 10/205:45 amKLU - IAD
2 stops21h 20mAir Canada
Deal found 7/27$1,106

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 July 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

Tue 9/9

9:35 am-2:00 pm

2 stops22h 25m

Klagenfurt

Tue 9/16

5:45 am-9:05 pm

2 stops21h 20m

$752

Washington, D.C.Klagenfurt

IAD - KLU

IADKLU

Washington, D.C. Dulles Intl

Tue 9/9

5:25 pm-11:25 pm

1 stop24h 00m

Klagenfurt

Tue 9/16

5:45 am-2:35 pm

1 stop14h 50m

$775

Washington, D.C.Klagenfurt

IAD - KLU

IADKLU

Washington, D.C. Dulles Intl

Thu 10/16

10:20 pm-11:25 pm

2 stops19h 05m

Klagenfurt

Mon 10/20

3:00 pm-7:25 pm

2 stops34h 25m

$898

Washington, D.C.Klagenfurt

IAD - KLU

IADKLU

Washington, D.C. Dulles Intl

Thu 10/16

3:36 pm-2:00 pm

3 stops16h 24m

Klagenfurt

Mon 10/20

5:45 am-9:05 pm

2 stops21h 20m

$1,106

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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.

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 July 28, 2025.
Read reviews from past customers who have flown Austrian Airlines, Air Canada, and Lufthansa from Washington, D.C. Dulles Intl Airport to Klagenfurt. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
820 reviews

Crew

8.1

Food

6.8

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
820 reviews
Austrian Airlines
7.6
Good
820 reviews

Crew

8.1

Food

6.8

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Air Canada
7.1
Good
9,813 reviews
Austrian Airlines
7.6
Good
820 reviews

Crew

8.1

Food

6.8

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Lufthansa
6.8
Okay
7,265 reviews
Austrian Airlines
7.6
Good
820 reviews

Crew

8.1

Food

6.8

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

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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