How do I get Price Alerts for flights from Klagenfurt to Illinois?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Klagenfurt from Illinois . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Klagenfurt to Illinois with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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

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

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

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 Klagenfurt Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

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

$903 Cheap Flights from Klagenfurt to Illinois in 2025/26

1 adult

0 bags

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Find the cheapest flights from Klagenfurt to Illinois

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 am - 3:00 pm

KLU

ORD

15h 15m1 stop

1:00 pm - 2:00 pm

ORD

KLU

18h 00m2 stops

$903Austrian Airlines

Fri, Mar 27 - Thu, Apr 9

5:45 am - 4:20 pm

KLU

ORD

16h 35m2 stops

3:00 pm - 2:00 pm

ORD

KLU

16h 00m2 stops

$905Lufthansa

Fri, Mar 27 - Wed, Apr 8

5:45 am - 3:00 pm

KLU

ORD

15h 15m1 stop

4:25 pm - 2:00 pm

ORD

KLU

14h 35m2 stops

$932Austrian Airlines

Fri, Mar 27 - Wed, Apr 8

5:45 am - 4:20 pm

KLU

ORD

16h 35m2 stops

5:55 pm - 2:00 pm

ORD

KLU

13h 05m2 stops

$934Lufthansa

Fri, Mar 27 - Thu, Apr 9

5:45 am - 4:20 pm

KLU

ORD

16h 35m2 stops

3:00 pm - 2:00 pm

ORD

KLU

16h 00m2 stops

$993Lufthansa

Fri, Mar 27 - Fri, Apr 10

2:50 pm - 12:45 pm

KLU

ORD

27h 55m2 stops

3:50 pm - 2:00 pm

ORD

KLU

15h 10m2 stops

$1,014Austrian Airlines

Sat, Mar 28 - Thu, Apr 9

2:50 pm - 12:45 pm

KLU

ORD

27h 55m2 stops

4:20 pm - 2:00 pm

ORD

KLU

14h 40m1 stop

$1,017Austrian Airlines

Sat, Mar 28 - Thu, Apr 9

2:50 pm - 1:20 pm

KLU

ORD

28h 30m1 stop

4:20 pm - 2:00 pm

ORD

KLU

14h 40m1 stop

$1,046Austrian Airlines

Sat, Mar 28 - Fri, Apr 10

5:45 am - 3:00 pm

KLU

ORD

15h 15m1 stop

1:00 pm - 2:00 pm

ORD

KLU

18h 00m2 stops

$1,064Austrian Airlines

Fri, Mar 27 - Fri, Apr 10

2:50 pm - 1:20 pm

KLU

ORD

28h 30m1 stop

4:25 pm - 2:00 pm

ORD

KLU

14h 35m2 stops

$1,075Austrian Airlines

Sat, Mar 28 - Wed, Apr 8

Austrian Airlines flights from Klagenfurt to Illinois

Our best Austrian Airlines deals on Klagenfurt to Illinois flight tickets

Austrian Airlines

Mar 27

KLU5:45 amKlagenfurt

15h 15m

1 stop

ORD3:00 pmChicago O'Hare Intl

Apr 9

ORD4:20 pmChicago O'Hare Intl

14h 40m

1 stop

KLU2:00 pmKlagenfurt

$903

Find similar

Austrian Airlines

Mar 27

KLU5:45 amKlagenfurt

15h 15m

1 stop

ORD3:00 pmChicago O'Hare Intl

Apr 8

ORD4:25 pmChicago O'Hare Intl

14h 35m

2 stops

KLU2:00 pmKlagenfurt

$932

Find similar

Austrian Airlines

Mar 28

KLU2:50 pmKlagenfurt

27h 55m

2 stops

ORD12:45 pmChicago O'Hare Intl

Apr 9

ORD3:50 pmChicago O'Hare Intl

15h 10m

2 stops

KLU2:00 pmKlagenfurt

$1,014

Find similar

Lufthansa flights from Klagenfurt to Illinois

Our best Lufthansa deals on Klagenfurt to Illinois flight tickets

Lufthansa

Mar 27

KLU5:45 amKlagenfurt

16h 35m

2 stops

ORD4:20 pmChicago O'Hare Intl

Apr 8

ORD3:00 pmChicago O'Hare Intl

16h 00m

2 stops

KLU2:00 pmKlagenfurt

$905

Find similar

Lufthansa

Mar 27

KLU5:45 amKlagenfurt

16h 35m

2 stops

ORD4:20 pmChicago O'Hare Intl

Apr 9

ORD5:55 pmChicago O'Hare Intl

13h 05m

2 stops

KLU2:00 pmKlagenfurt

$934

Find similar

Lufthansa

Mar 27

KLU5:45 amKlagenfurt

16h 35m

2 stops

ORD4:20 pmChicago O'Hare Intl

Apr 10

ORD3:00 pmChicago O'Hare Intl

16h 00m

2 stops

KLU2:00 pmKlagenfurt

$993

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Fri 3/27

5:45 am-3:00 pm

1 stop15h 15m

Chicago O'Hare Intl

Thu 4/9

1:00 pm-2:00 pm

2 stops18h 00m

$903

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Fri 3/27

5:45 am-4:20 pm

2 stops16h 35m

Chicago O'Hare Intl

Wed 4/8

3:00 pm-2:00 pm

2 stops16h 00m

$905

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Fri 3/27

5:45 am-3:00 pm

1 stop15h 15m

Chicago O'Hare Intl

Wed 4/8

4:25 pm-2:00 pm

2 stops14h 35m

$932

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Fri 3/27

5:45 am-4:20 pm

2 stops16h 35m

Chicago O'Hare Intl

Thu 4/9

5:55 pm-2:00 pm

2 stops13h 05m

$934

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Fri 3/27

5:45 am-4:20 pm

2 stops16h 35m

Chicago O'Hare Intl

Fri 4/10

3:00 pm-2:00 pm

2 stops16h 00m

$993

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Sat 3/28

2:50 pm-12:45 pm

2 stops27h 55m

Chicago O'Hare Intl

Thu 4/9

3:50 pm-2:00 pm

2 stops15h 10m

$1,014

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Sat 3/28

2:50 pm-12:45 pm

2 stops27h 55m

Chicago O'Hare Intl

Thu 4/9

4:20 pm-2:00 pm

1 stop14h 40m

$1,017

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Sat 3/28

2:50 pm-1:20 pm

1 stop28h 30m

Chicago O'Hare Intl

Fri 4/10

4:20 pm-2:00 pm

1 stop14h 40m

$1,046

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Fri 3/27

5:45 am-3:00 pm

1 stop15h 15m

Chicago O'Hare Intl

Fri 4/10

1:00 pm-2:00 pm

2 stops18h 00m

$1,064

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Sat 3/28

2:50 pm-1:20 pm

1 stop28h 30m

Chicago O'Hare Intl

Wed 4/8

4:25 pm-2:00 pm

2 stops14h 35m

$1,075

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Klagenfurt to Illinois flight deals and tips

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

Fastest flight time	27h 55m
Direct flights	None

The fastest flight from Klagenfurt to Illinois takes 27h 55m

There are no direct flights from Klagenfurt to Illinois. There are no popular flight routes from Klagenfurt to Illinois.

Search flight deals

When did momondo last update prices for flights from Klagenfurt Airport to Illinois?
Prices for flights from Klagenfurt Airport to Illinois were last updated today.
How old do you have to be to fly from Klagenfurt Airport to Illinois?
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 Klagenfurt Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois 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 Illinois. 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 Illinois?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Klagenfurt from Illinois. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Klagenfurt to Illinois with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

It is quick and easy to find Klagenfurt to Illinois 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 Illinois that suits you.

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

Flights from Klagenfurt to Illinois 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 Klagenfurt to Illinois?

momondo helps you find the best flight between Klagenfurt and Illinois 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 Klagenfurt to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Klagenfurt to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.