What is the cheapest month to book a flight from Klagenfurt to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Klagenfurt to Washington, D.C. (average of $309). Flying from Klagenfurt to Washington, D.C. in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Klagenfurt to Washington, D.C.?

Travelers seeking maximum savings on their Klagenfurt to Washington, D.C. flight should consider departing on Friday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from KLU to WAS?

When flying from Klagenfurt to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

For a flight from Klagenfurt to Washington, D.C., you will be flying from Klagenfurt. Klagenfurt (KLU) is just 2.0 mi from the center of the city. Klagenfurt is the only Klagenfurt airport and it handles 0 outbound flights to Washington, D.C. per day. 1 airline has flights to Washington, D.C. from Klagenfurt on a regular basis.

Can I find deals for flights from Klagenfurt to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Klagenfurt to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Klagenfurt to Washington, D.C.?

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

Can I find deals for business class flights from Klagenfurt to Washington, D.C.?

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

$755+ Flights from Klagenfurt to Washington, D.C.

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Cheap flight deals from Klagenfurt to Washington, D.C.

Round-trip from	$755 (Flysmarter)

From Klagenfurt to Washington, D.C. (WAS)

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Find flight deals from Klagenfurt to Washington, D.C.

Cheapest flights from Klagenfurt to Washington, D.C.
Explore the most affordable flight options available from Klagenfurt to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2025.

Sat 9/65:45 amKLU - IAD

2 stops16h 05mLufthansa

Sat 9/133:25 pmIAD - KLU

2 stops16h 35mLufthansa

Deal found 7/23

$755

Sat 9/65:45 amKLU - IAD

1 stop14h 50mMultiple Airlines

Sat 9/133:25 pmIAD - KLU

2 stops16h 35mMultiple Airlines

Deal found 7/23

$756

Thu 10/25:45 amKLU - IAD

1 stop14h 50mAustrian Airlines

Sun 10/55:25 pmIAD - KLU

1 stop24h 00mAustrian Airlines

Deal found 7/23

$767

Best flights from Klagenfurt to Washington, D.C.
Discover carefully curated flight deals from Klagenfurt to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2025.

Sat 9/65:45 amKLU - IAD

2 stops16h 05mLufthansa

Sat 9/133:25 pmIAD - KLU

2 stops16h 35mLufthansa

Deal found 7/23

$755

Sat 9/65:45 amKLU - IAD

1 stop14h 50mMultiple Airlines

Sat 9/133:25 pmIAD - KLU

2 stops16h 35mMultiple Airlines

Deal found 7/23

$756

Thu 10/25:45 amKLU - IAD

1 stop14h 50mAustrian Airlines

Sun 10/55:25 pmIAD - KLU

1 stop24h 00mAustrian Airlines

Deal found 7/23

$767

Last-minute flights from Klagenfurt to Washington, D.C.
Discover last-minute flight deals from Klagenfurt to Washington, D.C.. Data last updated July 25, 2025 and is based on user searches.

Wed 8/65:45 amKLU - IAD

2 stops15h 30mMultiple Airlines

Wed 8/135:25 pmIAD - KLU

1 stop14h 35mMultiple Airlines

Deal found 7/23

$859

Wed 8/65:45 amKLU - IAD

2 stops15h 30mLufthansa

Wed 8/136:10 pmIAD - KLU

2 stops13h 50mLufthansa

Deal found 7/23

$866

Wed 8/65:45 amKLU - IAD

1 stop14h 50mAustrian Airlines

Wed 8/135:25 pmIAD - KLU

1 stop14h 35mAustrian Airlines

Deal found 7/23

$1,269

Cheapflights Fare Finder

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

Sat 9/6

5:45 am-3:50 pm

2 stops16h 05m

Washington, D.C. Dulles Intl

Sat 9/13

3:25 pm-2:00 pm

2 stops16h 35m

$755

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Sat 9/6

5:45 am-2:35 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

Sat 9/13

3:25 pm-2:00 pm

2 stops16h 35m

$756

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Thu 10/2

5:45 am-2:35 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

Sun 10/5

5:25 pm-11:25 pm

1 stop24h 00m

$767

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Best time to book a flight from Klagenfurt to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Klagenfurt 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 Klagenfurt to Washington, D.C.

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Klagenfurt to Washington, D.C., such as Austrian Airlines and Lufthansa. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Austrian Airlines

7.6

Good

820 reviews

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

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

7,253 reviews

Austrian Airlines

7.6

Good

820 reviews

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

What airport do you fly from for flights from Klagenfurt to Washington, D.C.?
For a flight from Klagenfurt to Washington, D.C., you will be flying from Klagenfurt. Klagenfurt (KLU) is just 2.0 mi from the center of the city. Klagenfurt is the only Klagenfurt airport and it handles 0 outbound flights to Washington, D.C. per day. 1 airline has flights to Washington, D.C. from Klagenfurt on a regular basis.
Can I find deals for flights from Klagenfurt to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Klagenfurt to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Klagenfurt to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Klagenfurt to Washington, D.C..
Can I find deals for business class flights from Klagenfurt to Washington, D.C.?
Yes. Cheapflights offers flight deals from Klagenfurt to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Klagenfurt to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Klagenfurt to Washington, D.C. (average of $309). Flying from Klagenfurt to Washington, D.C. in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Fairfax

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Dundalk

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Klagenfurt to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Austrian Airlines	Cheapest$738	Average$828	FlexibilityNo cancel fee	On-time78%

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$755+ Cheap flights from Klagenfurt (KLU) to Washington, D.C. (WAS)

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Klagenfurt to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Klagenfurt to Washington, D.C.

Round-trip from

Find flight deals from Klagenfurt to Washington, D.C.

Cheapest flights from Klagenfurt to Washington, D.C.Explore the most affordable flight options available from Klagenfurt to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2025.

Explore the most affordable flight options available from Klagenfurt to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Klagenfurt to Washington, D.C. that are best for you.

Best time to book a flight from Klagenfurt to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Klagenfurt with our price prediction graph.

Cheapflights Insights

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

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Klagenfurt to Washington, D.C., such as Austrian Airlines and Lufthansa. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Klagenfurt to Washington, D.C.. 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 from for flights from Klagenfurt to Washington, D.C.?

Can I find deals for flights from Klagenfurt to Washington, D.C. that include hotel bookings?

How can I find direct flights from Klagenfurt to Washington, D.C.?

Can I find deals for business class flights from Klagenfurt to Washington, D.C.?

What is the cheapest month to book a flight from Klagenfurt to Washington, D.C.?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Klagenfurt to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Klagenfurt to Washington, D.C.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Klagenfurt to Washington, D.C.
Explore the most affordable flight options available from Klagenfurt to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2025.