$394+ Cheap flights from Illinois to Slovenia
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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LJU
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Slovenia with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Slovenia
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Cheapest flights from Illinois to SloveniaExplore the most affordable flight options available from Illinois to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Illinois to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Air Serbia deal was found by Cheapflights users on 10/27. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:30 pm -
1 stop32h 30m
Fri 12/182:55 pm -
1 stop32h 55m
Deal found 10/27![Air Serbia logo]()
$694
This oojo deal was found by Cheapflights users on 10/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:15 pm -
1 stop29h 10m
Sat 12/197:40 pm -
1 stop21h 20m
Deal found 10/26![Turkish Airlines logo]()
$773
This Turkish Airlines deal was found by Cheapflights users on 10/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:45 am -
1 stop24h 00m
Tue 11/179:20 am -
1 stop31h 40m
Deal found 10/26![Turkish Airlines logo]()
$799
This oojo deal was found by Cheapflights users on 10/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/911:45 am -
1 stop24h 00m
Wed 12/167:40 pm -
1 stop29h 40m
Deal found 10/25![Turkish Airlines logo]()
$828
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:15 pm -
1 stop28h 10m
Thu 11/127:40 pm -
1 stop21h 20m
Deal found 10/27![Turkish Airlines logo]()
$880
This Globehunters deal was found by Cheapflights users on 10/27. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:15 pm -
1 stop28h 10m
Sun 11/89:20 am -
1 stop31h 40m
Deal found 10/27![Turkish Airlines logo]()
$897
This Turkish Airlines deal was found by Cheapflights users on 10/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:15 pm -
1 stop14h 30m
Mon 11/97:40 pm -
1 stop21h 20m
Deal found 10/27![Turkish Airlines logo]()
$919
This Air Canada deal was found by Cheapflights users on 10/25. 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.
Wed 12/97:05 am -
2 stops20h 00m
Wed 12/166:40 am -
2 stops15h 12m
Deal found 10/25![Multiple Airlines logo]()
$924
This Turkish Airlines deal was found by Cheapflights users on 10/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:45 pm -
1 stop23h 00m
Sun 11/89:20 am -
1 stop31h 40m
Deal found 10/27![Turkish Airlines logo]()
$939
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/53:45 pm -
2 stops35h 20m
Fri 12/186:40 am -
2 stops24h 21m
Deal found 10/27![United Airlines logo]()
$941
This Globehunters deal was found by Cheapflights users on 10/29. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/288:15 pm -
1 stop15h 30m
Sat 12/59:20 am -
1 stop31h 40m
Deal found 10/29![Turkish Airlines logo]()
$944
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/53:45 pm -
2 stops39h 30m
Fri 12/186:40 am -
1 stop13h 30m
Deal found 10/27![Multiple Airlines logo]()
$974
Best flights from Illinois to SloveniaDiscover carefully curated flight deals from Illinois to Slovenia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Illinois to Slovenia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Air Serbia deal was found by Cheapflights users on 10/27. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:30 pm -
1 stop32h 30m
Fri 12/182:55 pm -
1 stop32h 55m
Deal found 10/27![Air Serbia logo]()
$694
This Turkish Airlines deal was found by Cheapflights users on 10/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:45 am -
1 stop24h 00m
Tue 11/179:20 am -
1 stop31h 40m
Deal found 10/26![Turkish Airlines logo]()
$799
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/255:55 pm -
1 stop11h 45m
Thu 4/2910:10 am -
1 stop16h 45m
Deal found 10/27![United Airlines logo]()
$848
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/410:30 am -
2 stops20h 20m
Fri 4/236:00 am -
1 stop15h 15m
Deal found 10/29![Delta logo]()
$851
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/41:40 pm -
2 stops16h 00m
Fri 4/2310:10 am -
2 stops16h 42m
Deal found 10/26![United Airlines logo]()
$867
Last-minute flights from Illinois to SloveniaDiscover last-minute flight deals from Illinois to Slovenia. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Slovenia. Data last updated October 30, 2026 and is based on user searches.
This SWISS deal was found by Cheapflights users on 10/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:50 pm -
1 stop20h 55m
Sun 11/83:15 pm -
1 stop32h 00m
Deal found 10/27![SWISS logo]()
$1,017
This Lufthansa deal was found by Cheapflights users on 10/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:35 pm -
1 stop15h 45m
Mon 11/96:40 am -
1 stop20h 25m
Deal found 10/27![Lufthansa logo]()
$1,044
This Globehunters deal was found by Cheapflights users on 10/27. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:15 pm -
1 stop28h 10m
Sun 11/89:20 am -
1 stop31h 40m
Deal found 10/27![Turkish Airlines logo]()
$897
This Turkish Airlines deal was found by Cheapflights users on 10/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:15 pm -
1 stop14h 30m
Mon 11/97:40 pm -
1 stop21h 20m
Deal found 10/27![Turkish Airlines logo]()
$919
This Justfly.com deal was found by Cheapflights users on 10/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:50 pm -
1 stop20h 55m
Sun 11/86:40 am -
2 stops18h 45m
Deal found 10/27![Multiple Airlines logo]()
$1,048
This Turkish Airlines deal was found by Cheapflights users on 10/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:45 pm -
1 stop23h 00m
Sun 11/89:20 am -
1 stop31h 40m
Deal found 10/27![Turkish Airlines logo]()
$939
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:15 pm -
1 stop28h 10m
Thu 11/127:40 pm -
1 stop21h 20m
Deal found 10/27![Turkish Airlines logo]()
$880
This Turkish Airlines deal was found by Cheapflights users on 10/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:45 am -
1 stop24h 00m
Tue 11/179:20 am -
1 stop31h 40m
Deal found 10/26![Turkish Airlines logo]()
$799
This Globehunters deal was found by Cheapflights users on 10/29. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/288:15 pm -
1 stop15h 30m
Sat 12/59:20 am -
1 stop31h 40m
Deal found 10/29![Turkish Airlines logo]()
$944
This United deal was found by Cheapflights users on 10/29. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/283:40 pm -
2 stops35h 25m
Sat 12/53:15 pm -
1 stop32h 00m
Deal found 10/29![Multiple Airlines logo]()
$981
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/283:40 pm -
2 stops35h 25m
Sat 12/510:45 am -
2 stops36h 30m
Deal found 10/29![United Airlines logo]()
$1,012
One-way flights from Illinois to SloveniaSearch for one-way flight options from Illinois to Slovenia. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Illinois to Slovenia. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/174:16 pm -
2 stops38h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![British Airways logo]()
$394
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/178:50 pm -
2 stops32h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![United Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 1/158:10 pm -
2 stops31h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/184:15 pm -
1 stop11h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$455
This oojo deal was found by Cheapflights users on 10/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:45 am -
1 stop24h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Turkish Airlines logo]()
$541
Find flight deals from Illinois to Slovenia
Keep the following information in mind while searching for Illinois to Slovenia flight deals. Data was last updated October 30, 2026.
Round-trip from | $694 (Air Serbia) |
|---|---|
One-way from | $394 (FlightHub) |
Popular in | June |
Cheapest in | November |
Average price | $909 |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Slovenia 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 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Illinois to Slovenia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Sat 4/17
4:16 pm-2:15 pm
2 stops38h 59m
Ljubljana Joze Pucnik
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$394
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Sat 4/17
8:50 pm-12:40 pm
2 stops32h 50m
Ljubljana Joze Pucnik
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$406
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Fri 1/15
8:10 pm-10:10 am
2 stops31h 00m
Ljubljana Joze Pucnik
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$427
Quickest round-trip
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Thu 3/18
4:15 pm-10:05 am
1 stop11h 50m
Ljubljana Joze Pucnik
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$455
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Sat 12/5
5:30 pm-9:00 am
1 stop32h 30m
Ljubljana Joze Pucnik
Fri 12/18
2:55 pm-4:50 pm
1 stop32h 55m
$694
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Fri 11/13
11:45 am-6:45 pm
1 stop24h 00m
Ljubljana Joze Pucnik
Tue 11/17
9:20 am-10:00 am
1 stop31h 40m
$799
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Sun 4/25
5:55 pm-12:40 pm
1 stop11h 45m
Ljubljana Joze Pucnik
Thu 4/29
10:10 am-7:55 pm
1 stop16h 45m
$848
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Sun 4/4
10:30 am-1:50 pm
2 stops20h 20m
Ljubljana Joze Pucnik
Fri 4/23
6:00 am-2:15 pm
1 stop15h 15m
$851
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Sun 4/4
1:40 pm-12:40 pm
2 stops16h 00m
Ljubljana Joze Pucnik
Fri 4/23
10:10 am-7:52 pm
2 stops16h 42m
$867
Sorted by cheapest first
Best time to book a flight from Illinois to Slovenia
Have a flexible travel schedule? Discover the best time to fly to Slovenia from Illinois with our price prediction graph.
ORD-LJU
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.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Slovenia
USIL-SI0
ORD-LJU
What is the cheapest month to book a flight from Illinois to Slovenia?
Currently, February is the cheapest month in which you can book a flight from Illinois to Slovenia (average of $629). Flying from Illinois to Slovenia in June is currently the most expensive (average of $1,251). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Slovenia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to Slovenia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Slovenia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Slovenia by cabin class
Find flights from Illinois to Slovenia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Slovenia flights
Browse other Illinois and Slovenia flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Slovenia
Find the right flight back to Illinois after your stay in Slovenia
Illinois to Slovenia flights
Consider these flights traveling from Illinois to Slovenia.
Top 2 airlines flying from Illinois to Slovenia
Discover the top 2 airlines that operate flights from Illinois to Slovenia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$589 | Average$1,064 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$771 | Average$1,362 | FlexibilityNo cancel fee | On-time76% |