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Klagenfurt

$1,160+ Cheap flights from O'Hare Intl (ORD) to Klagenfurt (KLU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KLU
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Klagenfurt

Cheapest flights from O'Hare Intl to Klagenfurt
Explore the most affordable flight options available from O'Hare Intl to Klagenfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Travelocity deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am
ORD
-
KLU
2 stops24h 00m
Multiple Airlines
Mon 10/193:00 pm
KLU
-
ORD
1 stop29h 20m
Multiple Airlines
Deal found 1/25$1,160
This Kiwi.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:20 pm
ORD
-
KLU
1 stop14h 40m
Austrian Airlines
Mon 9/283:00 pm
KLU
-
ORD
1 stop29h 20m
Austrian Airlines
Deal found 1/25$1,224
This Travelocity deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:00 pm
ORD
-
KLU
2 stops19h 00m
Multiple Airlines
Mon 9/283:00 pm
KLU
-
ORD
1 stop29h 20m
Multiple Airlines
Deal found 1/25$1,225
This Air Canada deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:00 pm
ORD
-
KLU
3 stops17h 00m
Air Canada
Mon 9/285:45 am
KLU
-
ORD
2 stops18h 42m
Air Canada
Deal found 1/25$2,665

Best time to book a flight from O'Hare Intl to Klagenfurt

Have a flexible travel schedule? Discover the best time to fly to Klagenfurt from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Klagenfurt. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Klagenfurt from Chicago O'Hare Intl?

    Located just 2.0 mi from the city center, Klagenfurt is the airport most travelers will use when flying to Klagenfurt from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Klagenfurt (KLU) should be relatively easy as there are 0 daily inbound flights from Chicago O'Hare Intl from 0 different airlines.

  • Can I find deals for flights from O'Hare Intl to Klagenfurt that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Klagenfurt flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Klagenfurt?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Klagenfurt.

  • Can I find deals for business class flights from O'Hare Intl to Klagenfurt?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Klagenfurt by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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