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Cheap flights from Klagenfurt to Chicago from $835

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Klagenfurt to Chicago departing on 9/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Klagenfurt to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:00 pm - 11:00 am-
27h 00m
Multiple Airlines Logo
4:25 pm - 2:00 pm-
14h 35m
$835Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
3:00 pm - 11:00 am-
27h 00m
Multiple Airlines Logo
4:20 pm - 2:00 pm-
14h 40m
$835Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
Air Canada Logo
5:45 am - 8:00 am-
33h 15m
Air Canada Logo
1:55 pm - 2:00 pm-
17h 05m
$845Air Canada
Thu, Nov 19 - Mon, Nov 23
Air Canada Logo
5:45 am - 8:00 am-
33h 15m
Air Canada Logo
1:55 pm - 2:00 pm-
17h 05m
$846Air Canada
Thu, Nov 19 - Mon, Nov 23
Air Canada Logo
5:45 am - 8:00 am-
33h 15m
Air Canada Logo
1:55 pm - 2:00 pm-
17h 05m
$847Air Canada
Thu, Nov 19 - Mon, Nov 23
Austrian Airlines Logo
3:00 pm - 1:20 pm-
29h 20m
Austrian Airlines Logo
4:20 pm - 2:00 pm-
14h 40m
$884Austrian Airlines
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
3:00 pm - 7:50 pm-
35h 50m
Multiple Airlines Logo
8:10 pm - 2:00 pm-
34h 50m
$1,265Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
3:00 pm - 2:00 pm-
30h 00m
Multiple Airlines Logo
9:00 pm - 2:00 pm-
34h 00m
$1,368Multiple Airlines
Mon, Sep 14 - Mon, Sep 21

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Air Canada flights from Klagenfurt to Chicago

Our best Air Canada deals on Klagenfurt to Chicago flight tickets
Air Canada
Nov 19
KLU5:45 amKlagenfurt
33h 15m
2 stops
ORD8:00 amChicago O'Hare Intl
Nov 23
ORD1:55 pmChicago O'Hare Intl
17h 05m
2 stops
KLU2:00 pmKlagenfurt
$846
Air Canada
Nov 19
KLU5:45 amKlagenfurt
33h 15m
2 stops
ORD8:00 amChicago O'Hare Intl
Nov 23
ORD1:55 pmChicago O'Hare Intl
17h 05m
2 stops
KLU2:00 pmKlagenfurt
$847

momondo Fare Finder

 
Customize your flight search to find flights from Klagenfurt to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 5, 2026.
Use the filters below to find and compare flights from Klagenfurt to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Mon 9/14

3:00 pm-11:00 am

2 stops27h 00m

Chicago O'Hare Intl

Mon 9/21

4:25 pm-2:00 pm

2 stops14h 35m

$835

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Mon 9/14

3:00 pm-11:00 am

2 stops27h 00m

Chicago O'Hare Intl

Mon 9/21

4:20 pm-2:00 pm

1 stop14h 40m

$835

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Thu 11/19

5:45 am-8:00 am

2 stops33h 15m

Chicago O'Hare Intl

Mon 11/23

1:55 pm-2:00 pm

2 stops17h 05m

$845

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Thu 11/19

5:45 am-8:00 am

2 stops33h 15m

Chicago O'Hare Intl

Mon 11/23

1:55 pm-2:00 pm

2 stops17h 05m

$846

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Thu 11/19

5:45 am-8:00 am

2 stops33h 15m

Chicago O'Hare Intl

Mon 11/23

1:55 pm-2:00 pm

2 stops17h 05m

$847

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Mon 9/14

3:00 pm-1:20 pm

1 stop29h 20m

Chicago O'Hare Intl

Mon 9/21

4:20 pm-2:00 pm

1 stop14h 40m

$884

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Mon 9/14

3:00 pm-7:50 pm

2 stops35h 50m

Chicago O'Hare Intl

Mon 9/21

8:10 pm-2:00 pm

3 stops34h 50m

$1,265

KlagenfurtChicago

KLU - ORD

KLUORD

Klagenfurt

Mon 9/14

3:00 pm-2:00 pm

3 stops30h 00m

Chicago O'Hare Intl

Mon 9/21

9:00 pm-2:00 pm

3 stops34h 00m

$1,368

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Klagenfurt to Chicago

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

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

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

Fastest flight time

27h 00m

Direct flights

None
The fastest flight from Klagenfurt to Chicago takes 27h 00m
There are no direct flights from Klagenfurt to Chicago. There are no popular flight routes from Klagenfurt to Chicago.
Search flight deals

Frequently asked questions about flying from Klagenfurt to Chicago

  • How far is Klagenfurt to Chicago by plane?

    The straight-line distance from Klagenfurt to Chicago is 4674.3 mi. In terms of flight time, this usually takes a little over 27h 00m.

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

    Prices for flights from Klagenfurt Airport to Chicago refresh daily.

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

    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 Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Klagenfurt to Chicago

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

    Price Alerts will notify you by email when the price for flights to Chicago 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 Chicago 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.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Portage
Benton Harbor
Lansing
Saint Joseph
Valparaiso
Schererville
Munster
Chesterton
Monticello
Crown Point
Porter
Griffith
Saint John

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Klagenfurt to Chicago. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Chicago from Klagenfurt with this policy.

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

Once you have performed a search for Klagenfurt to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Klagenfurt to Chicago 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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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport