How do I get Price Alerts for flights from Klagenfurt to Washington, D.C.?

Price Alerts will notify you by email when the price for flights to Washington, D.C. from Klagenfurt decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Klagenfurt to Washington, D.C. with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

When did momondo last update prices for flights from Klagenfurt Airport to Washington, D.C.?

Prices for flights from Klagenfurt Airport to Washington, D.C. are updated daily.

How old do you have to be to fly from Klagenfurt Airport to Washington, D.C.?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Klagenfurt Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$917 Cheap Flights from Klagenfurt to Washington, D.C. in 2026

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Find the cheapest flights from Klagenfurt to Washington, D.C.

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:00 pm - 1:35 pm

KLU

IAD

28h 35m

2 stops

10:20 pm - 11:20 pm

IAD

KLU

19h 00m

2 stops

$917Lufthansa

Mon, Sep 7 - Sat, Sep 19

3:00 pm - 2:35 pm

KLU

IAD

29h 35m

1 stop

6:25 pm - 2:00 pm

IAD

KLU

13h 35m

2 stops

$934Austrian Airlines

Thu, Apr 16 - Mon, Apr 20

3:00 pm - 2:00 pm

KLU

IAD

29h 00m

1 stop

3:25 pm - 2:00 pm

IAD

KLU

16h 35m

2 stops

$936Multiple Airlines

Mon, Sep 7 - Sat, Sep 19

3:00 pm - 4:05 pm

KLU

IAD

31h 05m

2 stops

5:25 pm - 2:00 pm

IAD

KLU

38h 35m

2 stops

$944Lufthansa

Thu, Apr 16 - Mon, Apr 20

3:00 pm - 2:00 pm

KLU

IAD

29h 00m

1 stop

5:45 pm - 2:00 pm

IAD

KLU

14h 15m

1 stop

$955Austrian Airlines

Sat, Sep 5 - Sat, Sep 19

3:00 pm - 1:35 pm

KLU

IAD

28h 35m

2 stops

10:20 pm - 11:20 pm

IAD

KLU

19h 00m

2 stops

$957Lufthansa

Fri, Sep 4 - Sat, Sep 19

3:00 pm - 2:00 pm

KLU

IAD

29h 00m

1 stop

5:45 pm - 2:00 pm

IAD

KLU

14h 15m

1 stop

$965Austrian Airlines

Fri, Sep 4 - Sat, Sep 19

3:00 pm - 2:00 pm

KLU

IAD

29h 00m

1 stop

5:55 pm - 2:00 pm

IAD

KLU

14h 05m

2 stops

$972Multiple Airlines

Fri, Sep 4 - Sat, Sep 19

3:00 pm - 1:35 pm

KLU

IAD

28h 35m

2 stops

10:20 pm - 11:20 pm

IAD

KLU

19h 00m

2 stops

$977Lufthansa

Sat, Sep 5 - Sat, Sep 19

10:10 pm - 3:10 pm

KLU

IAD

47h 00m

3 stops

5:05 pm - 11:20 pm

IAD

KLU

24h 15m

3 stops

$1,232Multiple Airlines

Fri, Sep 4 - Sat, Sep 19

Lufthansa flights from Klagenfurt to Washington, D.C.

Our best Lufthansa deals on Klagenfurt to Washington, D.C. flight tickets

Lufthansa

Sep 7

KLU3:00 pmKlagenfurt

28h 35m

2 stops

IAD1:35 pmWashington, D.C. Dulles Intl

Sep 19

IAD10:20 pmWashington, D.C. Dulles Intl

19h 00m

2 stops

KLU11:20 pmKlagenfurt

$917

Lufthansa

Apr 16

KLU3:00 pmKlagenfurt

31h 05m

2 stops

IAD4:05 pmWashington, D.C. Dulles Intl

Apr 20

IAD5:25 pmWashington, D.C. Dulles Intl

38h 35m

2 stops

KLU2:00 pmKlagenfurt

$944

Lufthansa

Sep 4

KLU3:00 pmKlagenfurt

28h 35m

2 stops

IAD1:35 pmWashington, D.C. Dulles Intl

Sep 19

IAD10:20 pmWashington, D.C. Dulles Intl

19h 00m

2 stops

KLU11:20 pmKlagenfurt

$957

Austrian Airlines flights from Klagenfurt to Washington, D.C.

Our best Austrian Airlines deals on Klagenfurt to Washington, D.C. flight tickets

Austrian Airlines

Apr 16

KLU3:00 pmKlagenfurt

29h 35m

1 stop

IAD2:35 pmWashington, D.C. Dulles Intl

Apr 20

IAD6:25 pmWashington, D.C. Dulles Intl

13h 35m

2 stops

KLU2:00 pmKlagenfurt

$934

Austrian Airlines

Sep 5

KLU3:00 pmKlagenfurt

29h 00m

1 stop

IAD2:00 pmWashington, D.C. Dulles Intl

Sep 19

IAD5:45 pmWashington, D.C. Dulles Intl

14h 15m

1 stop

KLU2:00 pmKlagenfurt

$955

Austrian Airlines

Sep 4

KLU3:00 pmKlagenfurt

29h 00m

1 stop

IAD2:00 pmWashington, D.C. Dulles Intl

Sep 19

IAD5:45 pmWashington, D.C. Dulles Intl

14h 15m

1 stop

KLU2:00 pmKlagenfurt

$965

momondo 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

Cheapest round-trip

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Mon 9/7

3:00 pm-1:35 pm

2 stops28h 35m

Washington, D.C. Dulles Intl

Sat 9/19

10:20 pm-11:20 pm

2 stops19h 00m

$917

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Thu 4/16

3:00 pm-2:35 pm

1 stop29h 35m

Washington, D.C. Dulles Intl

Mon 4/20

6:25 pm-2:00 pm

2 stops13h 35m

$934

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Mon 9/7

3:00 pm-2:00 pm

1 stop29h 00m

Washington, D.C. Dulles Intl

Sat 9/19

3:25 pm-2:00 pm

2 stops16h 35m

$936

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Thu 4/16

3:00 pm-4:05 pm

2 stops31h 05m

Washington, D.C. Dulles Intl

Mon 4/20

5:25 pm-2:00 pm

2 stops38h 35m

$944

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Sat 9/5

3:00 pm-2:00 pm

1 stop29h 00m

Washington, D.C. Dulles Intl

Sat 9/19

5:45 pm-2:00 pm

1 stop14h 15m

$955

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Fri 9/4

3:00 pm-1:35 pm

2 stops28h 35m

Washington, D.C. Dulles Intl

Sat 9/19

10:20 pm-11:20 pm

2 stops19h 00m

$957

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Fri 9/4

3:00 pm-2:00 pm

1 stop29h 00m

Washington, D.C. Dulles Intl

Sat 9/19

5:45 pm-2:00 pm

1 stop14h 15m

$965

Quickest round-trip

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Fri 9/4

3:00 pm-2:00 pm

1 stop29h 00m

Washington, D.C. Dulles Intl

Sat 9/19

5:55 pm-2:00 pm

2 stops14h 05m

$972

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Sat 9/5

3:00 pm-1:35 pm

2 stops28h 35m

Washington, D.C. Dulles Intl

Sat 9/19

10:20 pm-11:20 pm

2 stops19h 00m

$977

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Fri 9/4

10:10 pm-3:10 pm

3 stops47h 00m

Washington, D.C. Dulles Intl

Sat 9/19

5:05 pm-11:20 pm

3 stops24h 15m

$1,232

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Klagenfurt to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Klagenfurt to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Klagenfurt to Washington, D.C. (KLU to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Klagenfurt to Washington, D.C.

Fastest flight time	29h 00m
Direct flights	None

The fastest flight from Klagenfurt to Washington, D.C. takes 29h 00m

There are no direct flights from Klagenfurt to Washington, D.C.. There are no popular flight routes from Klagenfurt to Washington, D.C..

Search flight deals

How far is Klagenfurt to Washington, D.C. by plane?
There are 4394.0 mi between Klagenfurt and Washington, D.C.. 29h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Klagenfurt Airport to Washington, D.C.?
Prices for flights from Klagenfurt Airport to Washington, D.C. are updated daily.
How old do you have to be to fly from Klagenfurt Airport to Washington, D.C.?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Klagenfurt Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from Klagenfurt to Washington, D.C.?
Price Alerts will notify you by email when the price for flights to Washington, D.C. from Klagenfurt decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Klagenfurt to Washington, D.C. with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Silver Spring

Fredericksburg

Rockville

Tysons

Manassas

Linthicum Heights

Springfield

Bethesda

Fairfax

College Park

Why use momondo?

Why should I use momondo to find a flight deal from Klagenfurt to Washington, D.C.?

It is quick and easy to find Klagenfurt to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Klagenfurt to Washington, D.C. with flexible booking policies on momondo?

All flight searches from Klagenfurt to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Klagenfurt to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Klagenfurt.

I’m not ready to book a flight from Klagenfurt to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Klagenfurt to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Washington, D.C. trip

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Nearby airports

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Feeling lucky

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Klagenfurt to Washington, D.C. from $917

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Klagenfurt to Washington, D.C. departing on 9/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Price Alerts

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Find the cheapest flights from Klagenfurt to Washington, D.C.

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Cheap one-way flights

Lufthansa flights from Klagenfurt to Washington, D.C.

Our best Lufthansa deals on Klagenfurt to Washington, D.C. flight tickets

Austrian Airlines flights from Klagenfurt to Washington, D.C.

Our best Austrian Airlines deals on Klagenfurt to Washington, D.C. flight tickets

momondo Fare Finder

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

When to book flights from Klagenfurt to Washington, D.C.

Cheap Klagenfurt to Washington, D.C. (KLU to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Klagenfurt to Washington, D.C.

Fastest flight time

Direct flights

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

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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