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.

$782 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.

2:50 pm - 4:20 pmKLU-ORD

31h 30m2 stops

10:50 pm - 11:25 pmORD-KLU

18h 35m2 stops

$782Lufthansa

Find Deal

Thu, Mar 12 - Sun, Mar 15

5:45 am - 4:20 pmKLU-ORD

16h 35m2 stops

7:00 pm - 11:25 pmORD-KLU

22h 25m2 stops

$783Lufthansa

Find Deal

Thu, Mar 12 - Sun, Mar 15

5:45 am - 1:20 pmKLU-ORD

14h 35m1 stop

1:12 pm - 2:00 pmORD-KLU

17h 48m2 stops

$1,648Austrian Airlines

Find Deal

Thu, Apr 30 - Sun, May 24

5:45 am - 6:27 pmKLU-ORD

19h 42m2 stops

5:50 pm - 2:00 pmORD-KLU

37h 10m2 stops

$1,651Air Canada

Find Deal

Thu, Apr 30 - Sun, May 24

5:45 am - 1:20 pmKLU-ORD

14h 35m1 stop

4:20 pm - 2:00 pmORD-KLU

14h 40m1 stop

$1,960Austrian Airlines

Find Deal

Thu, Apr 30 - Sun, May 24

5:45 am - 1:10 pmKLU-ORD

14h 25m2 stops

4:20 pm - 1:50 pmORD-KLU

38h 30m2 stops

$7,300Lufthansa

Find Deal

Fri, Dec 19 - Sun, Dec 21

Lufthansa flights from Klagenfurt to Illinois

Our best Lufthansa deals on Klagenfurt to Illinois flight tickets

Lufthansa

Mar 12

KLU2:50 pmKlagenfurt

31h 30m

2 stops

ORD4:20 pmChicago O'Hare Intl

Mar 15

ORD10:50 pmChicago O'Hare Intl

18h 35m

2 stops

KLU11:25 pmKlagenfurt

$782

Find similar

Lufthansa

Mar 12

KLU5:45 amKlagenfurt

16h 35m

2 stops

ORD4:20 pmChicago O'Hare Intl

Mar 15

ORD7:00 pmChicago O'Hare Intl

22h 25m

2 stops

KLU11:25 pmKlagenfurt

$783

Find similar

Lufthansa

Dec 19

KLU5:45 amKlagenfurt

14h 25m

2 stops

ORD1:10 pmChicago O'Hare Intl

Dec 21

ORD4:20 pmChicago O'Hare Intl

38h 30m

2 stops

KLU1:50 pmKlagenfurt

$7,300

Find similar

Austrian Airlines flights from Klagenfurt to Illinois

Our best Austrian Airlines deals on Klagenfurt to Illinois flight tickets

Austrian Airlines

Apr 30

KLU5:45 amKlagenfurt

14h 35m

1 stop

ORD1:20 pmChicago O'Hare Intl

May 24

ORD1:12 pmChicago O'Hare Intl

17h 48m

2 stops

KLU2:00 pmKlagenfurt

$1,648

Find similar

Austrian Airlines

Apr 30

KLU5:45 amKlagenfurt

14h 35m

1 stop

ORD1:20 pmChicago O'Hare Intl

May 24

ORD4:20 pmChicago O'Hare Intl

14h 40m

1 stop

KLU2:00 pmKlagenfurt

$1,960

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Thu 3/12

2:50 pm-4:20 pm

2 stops31h 30m

Chicago O'Hare Intl

Sun 3/15

10:50 pm-11:25 pm

2 stops18h 35m

$782

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Thu 3/12

5:45 am-4:20 pm

2 stops16h 35m

Chicago O'Hare Intl

Sun 3/15

7:00 pm-11:25 pm

2 stops22h 25m

$783

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Thu 4/30

5:45 am-1:20 pm

1 stop14h 35m

Chicago O'Hare Intl

Sun 5/24

1:12 pm-2:00 pm

2 stops17h 48m

$1,648

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Thu 4/30

5:45 am-6:27 pm

2 stops19h 42m

Chicago O'Hare Intl

Sun 5/24

5:50 pm-2:00 pm

2 stops37h 10m

$1,651

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Thu 4/30

5:45 am-1:20 pm

1 stop14h 35m

Chicago O'Hare Intl

Sun 5/24

4:20 pm-2:00 pm

1 stop14h 40m

$1,960

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Fri 12/19

5:45 am-1:10 pm

2 stops14h 25m

Chicago O'Hare Intl

Sun 12/21

4:20 pm-1:50 pm

2 stops38h 30m

$7,300

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

Direct flights	None

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.