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Klagenfurt

$878+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KLU
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Klagenfurt

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Klagenfurt (KLU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$878
(Air Canada)
From Chicago O'Hare Intl to Klagenfurt
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Find 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 July 29, 2025.

This Air Canada deal was found by Cheapflights users on 7/28. 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.
Thu 9/118:40 amORD - KLU
2 stops22h 20mAir Canada
Thu 9/185:45 amKLU - ORD
2 stops21h 26mAir Canada
Deal found 7/28$878
This Austrian Airlines deal was found by Cheapflights users on 7/28. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/114:20 pmORD - KLU
1 stop24h 05mAustrian Airlines
Thu 9/185:45 amKLU - ORD
1 stop14h 35mAustrian Airlines
Deal found 7/28$887
This Gotogate deal was found by Cheapflights users on 7/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/157:15 amORD - KLU
2 stops23h 45mMultiple Airlines
Tue 8/193:00 pmKLU - ORD
2 stops35h 55mMultiple Airlines
Deal found 7/28$1,019

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Klagenfurt 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, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Klagenfurt that are best for you.

Fly from

O'Hare Intl

Fly to

Klagenfurt

Route

Depart

Return

Price

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Thu 9/11

8:40 am-2:00 pm

2 stops22h 20m

Klagenfurt

Thu 9/18

5:45 am-8:11 pm

2 stops21h 26m

$878

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Thu 9/11

4:20 pm-11:25 pm

1 stop24h 05m

Klagenfurt

Thu 9/18

5:45 am-1:20 pm

1 stop14h 35m

$887

ChicagoKlagenfurt

ORD - KLU

ORDKLU

Chicago O'Hare Intl

Fri 8/15

7:15 am-2:00 pm

2 stops23h 45m

Klagenfurt

Tue 8/19

3:00 pm-7:55 pm

2 stops35h 55m

$1,019

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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.

Reviews of airlines servicing Klagenfurt

Get insights into the airlines that provide service to Klagenfurt. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Klagenfurt. Reviews last updated July 29, 2025.
See what other customers who have flown with Austrian Airlines and Air Canada from Chicago O'Hare Intl Airport to Klagenfurt have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Overall

7.6

Boarding

7.6

Entertainment

6.8

Crew

8.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Austrian Airlines
7.6
Good
821 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Overall

7.6

Boarding

7.6

Entertainment

6.8

Crew

8.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Air Canada
7.1
Good
9,826 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Overall

7.6

Boarding

7.6

Entertainment

6.8

Crew

8.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well

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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