When did momondo last update prices for flights from Washington to Klagenfurt Airport?

Prices for flights from Washington to Klagenfurt Airport were last updated today.

How old do you have to be to fly from Washington to Klagenfurt Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Klagenfurt Airport.

What documentation or ID do you need to fly to Klagenfurt Airport?

The required travel and health documents for your Klagenfurt Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Klagenfurt Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$515 Cheap Flights from Washington to Klagenfurt in 2025/26

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One-way

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Enter your travel dates to find the best prices.

8:17 am - 10:30 am

SEA

KLU

17h 13m2 stops

$515Austrian Airlines

Fri, Feb 20

5:50 am - 10:30 am

SEA

KLU

19h 40m3 stops

$583Air Canada

Fri, Feb 20

3:40 pm - 11:20 pm

SEA

KLU

46h 40m3 stops

$648Lufthansa

Fri, Feb 20

10:05 am - 10:30 am

SEA

KLU

39h 25m3 stops

$759Lufthansa

Thu, Dec 25

8:00 am - 1:50 pm

SEA

KLU

20h 50m2 stops

$991Austrian Airlines

Thu, Dec 25

5:50 am - 1:50 pm

SEA

KLU

23h 00m3 stops

$993Air Canada

Thu, Dec 25

2:00 pm - 11:25 pm

SEA

KLU

24h 25m2 stops

$1,277Lufthansa

Tue, Dec 16

8:00 pm - 1:55 pm

SEA

KLU

32h 55m3 stops

$1,337Air Canada

Tue, Dec 16

2:00 pm - 11:25 pm

SEA

KLU

24h 25m2 stops

$1,382Lufthansa

Tue, Dec 16

10:05 am - 1:55 pm

SEA

KLU

18h 50m3 stops

$1,463Lufthansa

Tue, Dec 16

momondo Fare Finder

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

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Route

Depart

Return

Price

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Fri 2/20

8:17 am-10:30 am

2 stops17h 13m

$515

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Fri 2/20

5:50 am-10:30 am

3 stops19h 40m

$583

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Fri 2/20

3:40 pm-11:20 pm

3 stops46h 40m

$648

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Thu 12/25

10:05 am-10:30 am

3 stops39h 25m

$759

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Thu 12/25

8:00 am-1:50 pm

2 stops20h 50m

$991

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Thu 12/25

5:50 am-1:50 pm

3 stops23h 00m

$993

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Tue 12/16

2:00 pm-11:25 pm

2 stops24h 25m

$1,277

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Tue 12/16

8:00 pm-1:55 pm

3 stops32h 55m

$1,337

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Tue 12/16

2:00 pm-11:25 pm

2 stops24h 25m

$1,382

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Tue 12/16

10:05 am-1:55 pm

3 stops18h 50m

$1,463

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from State of Washington to Klagenfurt

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington to Klagenfurt?

Air Canada, Lufthansa, and Austrian Airlines are the most popular carriers operating from Washington to Klagenfurt

Cheap State of Washington to Klagenfurt flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Klagenfurt

Fastest flight time	14h 50m
Direct flights	None

The fastest flight from State of Washington to Klagenfurt takes 14h 50m

There are no direct flights from State of Washington to Klagenfurt. There are no popular flight routes from State of Washington to Klagenfurt.

Search flight deals

When did momondo last update prices for flights from Washington to Klagenfurt Airport?
Prices for flights from Washington to Klagenfurt Airport were last updated today.
How old do you have to be to fly from Washington to Klagenfurt Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Klagenfurt Airport.
What documentation or ID do you need to fly to Klagenfurt Airport?
The required travel and health documents for your Klagenfurt Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Klagenfurt Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from Washington to Klagenfurt?

Finding the right flight to Klagenfurt from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Klagenfurt quick and easy, saving you time and money.

Can I find flights from Washington to Klagenfurt with flexible booking policies on momondo?

Flights from Washington to Klagenfurt with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington to Klagenfurt?

momondo helps you find the best flight between Washington and Klagenfurt by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

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Cheap flights from Washington to Klagenfurt from $515

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Klagenfurt departing on 2/20. 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

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Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington to Klagenfurt

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

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How to get the cheapest flight ticket from State of Washington to Klagenfurt

What is the cheapest airline that flies from Washington to Klagenfurt?

Air Canada, Lufthansa, and Austrian Airlines are the most popular carriers operating from Washington to Klagenfurt

Cheap State of Washington to Klagenfurt flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Klagenfurt

Fastest flight time

Direct flights

When did momondo last update prices for flights from Washington to Klagenfurt Airport?

How old do you have to be to fly from Washington to Klagenfurt Airport?

What documentation or ID do you need to fly to Klagenfurt Airport?

Traveling to a place near Klagenfurt?

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Klagenfurt?

Can I find flights from Washington to Klagenfurt with flexible booking policies on momondo?

How can momondo help me find flights from Washington to Klagenfurt?

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

An easier way to manage your Klagenfurt 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 Austria

Airports servicing Austria