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.

$735 Cheap Flights from Klagenfurt to Washington, D.C. in 2025/26

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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.

5:45 am - 11:29 am

KLU

IAD

34h 44m2 stops

1:13 pm - 1:55 pm

IAD

KLU

19h 42m2 stops

$735Air Canada

Wed, Mar 18 - Sun, Mar 22

5:45 am - 4:21 pm

KLU

IAD

39h 36m2 stops

1:13 pm - 1:55 pm

IAD

KLU

19h 42m2 stops

$736Air Canada

Wed, Mar 18 - Sun, Mar 22

3:15 pm - 8:15 pm

KLU

IAD

35h 00m2 stops

10:20 pm - 11:25 pm

IAD

KLU

19h 05m2 stops

$876Multiple Airlines

Thu, Jan 8 - Thu, Jul 2

3:15 pm - 8:15 pm

KLU

IAD

35h 00m2 stops

5:25 pm - 2:00 pm

IAD

KLU

14h 35m1 stop

$1,123Austrian Airlines

Thu, Jan 8 - Thu, Jul 2

3:15 pm - 4:40 pm

KLU

IAD

31h 25m3 stops

5:45 pm - 11:25 pm

IAD

KLU

23h 40m3 stops

$2,005Multiple Airlines

Thu, Jan 8 - Thu, Jul 2

3:15 pm - 8:26 pm

KLU

IAD

35h 11m2 stops

5:45 pm - 11:25 pm

IAD

KLU

23h 40m3 stops

$2,188Multiple Airlines

Thu, Jan 8 - Thu, Jul 2

3:15 pm - 2:40 pm

KLU

IAD

29h 25m1 stop

5:25 pm - 2:00 pm

IAD

KLU

14h 35m1 stop

$2,216Austrian Airlines

Thu, Jan 8 - Thu, Jul 2

3:15 pm - 3:30 pm

KLU

IAD

30h 15m2 stops

10:15 pm - 11:25 pm

IAD

KLU

19h 10m2 stops

$2,587Austrian Airlines

Thu, Jan 8 - Thu, Jul 2

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

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

Austrian Airlines

Jan 8

KLU3:15 pmKlagenfurt

35h 00m

2 stops

IAD8:15 pmWashington, D.C. Dulles Intl

Jul 2

IAD5:25 pmWashington, D.C. Dulles Intl

14h 35m

1 stop

KLU2:00 pmKlagenfurt

$1,123

Find similar

Austrian Airlines

Jan 8

KLU3:15 pmKlagenfurt

29h 25m

1 stop

IAD2:40 pmWashington, D.C. Dulles Intl

Jul 2

IAD5:25 pmWashington, D.C. Dulles Intl

14h 35m

1 stop

KLU2:00 pmKlagenfurt

$2,216

Find similar

Austrian Airlines

Jan 8

KLU3:15 pmKlagenfurt

30h 15m

2 stops

IAD3:30 pmWashington, D.C. Dulles Intl

Jul 2

IAD10:15 pmWashington, D.C. Dulles Intl

19h 10m

2 stops

KLU11:25 pmKlagenfurt

$2,587

Find similar

Air Canada flights from Klagenfurt to Washington, D.C.

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

Air Canada

Mar 18

KLU5:45 amKlagenfurt

34h 44m

2 stops

IAD11:29 amWashington, D.C. Dulles Intl

Mar 22

IAD1:13 pmWashington, D.C. Dulles Intl

19h 42m

2 stops

KLU1:55 pmKlagenfurt

$735

Find similar

Air Canada

Mar 18

KLU5:45 amKlagenfurt

39h 36m

2 stops

IAD4:21 pmWashington, D.C. Dulles Intl

Mar 22

IAD1:13 pmWashington, D.C. Dulles Intl

19h 42m

2 stops

KLU1:55 pmKlagenfurt

$736

Find similar

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

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Wed 3/18

5:45 am-11:29 am

2 stops34h 44m

Washington, D.C. Dulles Intl

Sun 3/22

1:13 pm-1:55 pm

2 stops19h 42m

$735

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Wed 3/18

5:45 am-4:21 pm

2 stops39h 36m

Washington, D.C. Dulles Intl

Sun 3/22

1:13 pm-1:55 pm

2 stops19h 42m

$736

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Thu 1/8

3:15 pm-8:15 pm

2 stops35h 00m

Washington, D.C. Dulles Intl

Thu 7/2

10:20 pm-11:25 pm

2 stops19h 05m

$876

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Thu 1/8

3:15 pm-8:15 pm

2 stops35h 00m

Washington, D.C. Dulles Intl

Thu 7/2

5:25 pm-2:00 pm

1 stop14h 35m

$1,123

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Thu 1/8

3:15 pm-4:40 pm

3 stops31h 25m

Washington, D.C. Dulles Intl

Thu 7/2

5:45 pm-11:25 pm

3 stops23h 40m

$2,005

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Thu 1/8

3:15 pm-8:26 pm

2 stops35h 11m

Washington, D.C. Dulles Intl

Thu 7/2

5:45 pm-11:25 pm

3 stops23h 40m

$2,188

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Thu 1/8

3:15 pm-2:40 pm

1 stop29h 25m

Washington, D.C. Dulles Intl

Thu 7/2

5:25 pm-2:00 pm

1 stop14h 35m

$2,216

KlagenfurtWashington, D.C.

KLU - IAD

KLUIAD

Klagenfurt

Thu 1/8

3:15 pm-3:30 pm

2 stops30h 15m

Washington, D.C. Dulles Intl

Thu 7/2

10:15 pm-11:25 pm

2 stops19h 10m

$2,587

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	35h 00m
Direct flights	None

The fastest flight from Klagenfurt to Washington, D.C. takes 35h 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.. 35h 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

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Towson

Rockville

Gaithersburg

Reston

Manassas

Fairfax

Glen Burnie

Linthicum Heights

Bethesda

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.