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

Prices for flights from Chicago to Klagenfurt Airport are refreshed on a daily basis.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Klagenfurt Airport.

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

The travel and health documents you'll need for your trip to Klagenfurt Airport 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 Klagenfurt Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$768 Cheap Flights from Chicago to Klagenfurt in 2025

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Find the cheapest flights from Chicago to Klagenfurt

Round-trip

One-way

Cheap round-trip flights

9:50 pm - 10:30 amORD-KLU

29h 40m2 stops

3:15 pm - 1:10 pmKLU-ORD

28h 55m2 stops

$899Lufthansa

Find Deal

Thu, Jan 22 - Mon, Jan 26

9:50 pm - 10:30 amORD-KLU

29h 40m2 stops

3:15 pm - 6:25 pmKLU-ORD

34h 10m2 stops

$1,169Lufthansa

Find Deal

Thu, Jan 22 - Mon, Jan 26

4:20 pm - 2:00 pmORD-KLU

14h 40m1 stop

3:00 pm - 1:20 pmKLU-ORD

29h 20m1 stop

$1,960Austrian Airlines

Find Deal

Sun, Aug 24 - Wed, Aug 27

12:50 pm - 2:00 pmORD-KLU

18h 10m2 stops

5:45 am - 1:20 pmKLU-ORD

14h 35m1 stop

$1,965Austrian Airlines

Find Deal

Tue, Aug 26 - Fri, Aug 29

4:20 pm - 2:00 pmORD-KLU

14h 40m1 stop

5:45 am - 2:10 pmKLU-ORD

15h 25m2 stops

$2,192Austrian Airlines

Find Deal

Mon, Aug 25 - Thu, Aug 28

9:25 pm - 11:25 pmORD-KLU

19h 00m2 stops

5:45 am - 2:10 pmKLU-ORD

15h 25m2 stops

$2,196Austrian Airlines

Find Deal

Tue, Aug 26 - Fri, Aug 29

5:55 pm - 2:00 pmORD-KLU

13h 05m2 stops

5:45 am - 2:10 pmKLU-ORD

15h 25m2 stops

$2,220Austrian Airlines

Find Deal

Mon, Aug 25 - Thu, Aug 28

4:20 pm - 2:00 pmORD-KLU

14h 40m1 stop

5:45 am - 11:55 amKLU-ORD

13h 10m2 stops

$2,558Austrian Airlines

Find Deal

Sun, Aug 24 - Wed, Aug 27

4:05 pm - 2:00 pmORD-KLU

14h 55m2 stops

5:45 am - 11:55 amKLU-ORD

13h 10m2 stops

$2,562Austrian Airlines

Find Deal

Sun, Aug 24 - Wed, Aug 27

Austrian Airlines flights from Chicago to Klagenfurt

Our best Austrian Airlines deals on Chicago to Klagenfurt flight tickets

Austrian Airlines

Aug 24

ORD4:20 pmChicago O'Hare Intl

14h 40m

1 stop

KLU2:00 pmKlagenfurt

Aug 27

KLU3:00 pmKlagenfurt

29h 20m

1 stop

ORD1:20 pmChicago O'Hare Intl

$1,960

Find similar

Austrian Airlines

Aug 26

ORD12:50 pmChicago O'Hare Intl

18h 10m

2 stops

KLU2:00 pmKlagenfurt

Aug 29

KLU5:45 amKlagenfurt

14h 35m

1 stop

ORD1:20 pmChicago O'Hare Intl

$1,965

Find similar

Austrian Airlines

Aug 25

ORD4:20 pmChicago O'Hare Intl

14h 40m

1 stop

KLU2:00 pmKlagenfurt

Aug 28

KLU5:45 amKlagenfurt

15h 25m

2 stops

ORD2:10 pmChicago O'Hare Intl

$2,192

Find similar

Lufthansa flights from Chicago to Klagenfurt

Our best Lufthansa deals on Chicago to Klagenfurt flight tickets

Lufthansa

Jan 22

ORD9:50 pmChicago O'Hare Intl

29h 40m

2 stops

KLU10:30 amKlagenfurt

Jan 26

KLU3:15 pmKlagenfurt

28h 55m

2 stops

ORD1:10 pmChicago O'Hare Intl

$899

Find similar

Lufthansa

Jan 22

ORD9:50 pmChicago O'Hare Intl

29h 40m

2 stops

KLU10:30 amKlagenfurt

Jan 26

KLU3:15 pmKlagenfurt

34h 10m

2 stops

ORD6:25 pmChicago O'Hare Intl

$1,169

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Thu 1/22

9:50 pm-10:30 am

2 stops29h 40m

Klagenfurt

Mon 1/26

3:15 pm-1:10 pm

2 stops28h 55m

$899

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Thu 1/22

9:50 pm-10:30 am

2 stops29h 40m

Klagenfurt

Mon 1/26

3:15 pm-6:25 pm

2 stops34h 10m

$1,169

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Sun 8/24

4:20 pm-2:00 pm

1 stop14h 40m

Klagenfurt

Wed 8/27

3:00 pm-1:20 pm

1 stop29h 20m

$1,960

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Tue 8/26

12:50 pm-2:00 pm

2 stops18h 10m

Klagenfurt

Fri 8/29

5:45 am-1:20 pm

1 stop14h 35m

$1,965

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Mon 8/25

4:20 pm-2:00 pm

1 stop14h 40m

Klagenfurt

Thu 8/28

5:45 am-2:10 pm

2 stops15h 25m

$2,192

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Tue 8/26

9:25 pm-11:25 pm

2 stops19h 00m

Klagenfurt

Fri 8/29

5:45 am-2:10 pm

2 stops15h 25m

$2,196

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Mon 8/25

5:55 pm-2:00 pm

2 stops13h 05m

Klagenfurt

Thu 8/28

5:45 am-2:10 pm

2 stops15h 25m

$2,220

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Sun 8/24

4:20 pm-2:00 pm

1 stop14h 40m

Klagenfurt

Wed 8/27

5:45 am-11:55 am

2 stops13h 10m

$2,558

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Sun 8/24

4:05 pm-2:00 pm

2 stops14h 55m

Klagenfurt

Wed 8/27

5:45 am-11:55 am

2 stops13h 10m

$2,562

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Mon 8/25

4:05 pm-11:25 pm

2 stops48h 20m

$768

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago 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 Chicago to Klagenfurt?

Austrian Airlines is the most popular carrier operating from Chicago to Klagenfurt

When to book flights from Chicago to Klagenfurt

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

Estimated round-trip price

Cheap Chicago to Klagenfurt (CHI to KLU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Klagenfurt

Best Price Found	$768
Fastest flight time	13h 05m
Direct flights	None
Airports in Klagenfurt	1 airport

The best one-way flight to Klagenfurt from Chicago in the past 72 hours is $768. The best round-trip flight deal from Chicago to Klagenfurt found on momondo in the last 72 hours is $899.

The fastest flight from Chicago to Klagenfurt takes 13h 05m

There are no direct flights from Chicago to Klagenfurt. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Klagenfurt Airport.

There is 1 airport near Klagenfurt: Klagenfurt (KLU)

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How far is Chicago to Klagenfurt by plane?
Chicago and Klagenfurt are 4674.3 mi apart from one another. In terms of flight time, this usually takes a little over 13h 05m.
When did momondo last update prices for flights from Chicago to Klagenfurt Airport?
Prices for flights from Chicago to Klagenfurt Airport are refreshed on a daily basis.
How old do you have to be to fly from Chicago to Klagenfurt Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Klagenfurt Airport.
What documentation or ID do you need to fly to Klagenfurt Airport?
The travel and health documents you'll need for your trip to Klagenfurt Airport 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 Klagenfurt Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Klagenfurt. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Chicago to Klagenfurt flights to just show those with flexible booking policies.

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

Once all potential Chicago to Klagenfurt flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Klagenfurt, momondo offers a useful price alert feature which will track prices for flights to Klagenfurt from Chicago and alert you when they change.