$365+ Cheap flights from Illinois to Slovenia
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LJU
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Slovenia with Cheapflights
1. Tell us where you want to go
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 September 1, 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 September 1, 2026.
This Trip.com deal was found by Cheapflights users on 8/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:20 pm -
1 stop26h 30m
Sat 10/249:25 am -
1 stop18h 50m
Deal found 8/28![Air Serbia logo]()
$708
This Mytrip deal was found by Cheapflights users on 8/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:25 am -
2 stops19h 00m
Tue 10/201:55 pm -
2 stops35h 20m
Deal found 8/29![Multiple Airlines logo]()
$787
This lol.travel deal was found by Cheapflights users on 8/31. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:40 pm -
1 stop33h 10m
Tue 9/299:25 am -
1 stop36h 05m
Deal found 8/31![Air Serbia logo]()
$801
This Bravofly deal was found by Cheapflights users on 8/28. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:10 pm -
1 stop16h 20m
Mon 10/198:25 pm -
1 stop20h 15m
Deal found 8/28![Turkish Airlines logo]()
$822
This Mytrip deal was found by Cheapflights users on 8/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:15 pm -
2 stops34h 45m
Sun 10/181:30 pm -
2 stops33h 40m
Deal found 8/27![Multiple Airlines logo]()
$837
This FlightHub deal was found by Cheapflights users on 8/27. 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.
Wed 10/78:10 pm -
1 stop16h 20m
Thu 10/159:45 am -
1 stop30h 55m
Deal found 8/27![Turkish Airlines logo]()
$838
This Delta deal was found by Cheapflights users on 8/29. 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.
Tue 10/1312:49 pm -
2 stops18h 01m
Tue 10/206:00 am -
2 stops17h 47m
Deal found 8/29![Delta logo]()
$994
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:49 pm -
2 stops18h 01m
Wed 10/146:00 am -
2 stops17h 47m
Deal found 8/27![Delta logo]()
$995
This Delta deal was found by Cheapflights users on 8/30. 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.
Wed 10/149:29 am -
2 stops20h 56m
Wed 10/216:00 am -
2 stops19h 00m
Deal found 8/30![Delta logo]()
$1,025
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:27 pm -
2 stops17h 23m
Sun 10/186:00 am -
2 stops19h 00m
Deal found 8/27![Delta logo]()
$1,055
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:19 pm -
2 stops17h 31m
Thu 10/16:00 am -
2 stops19h 33m
Deal found 8/27![Delta logo]()
$1,109
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:44 pm -
2 stops21h 11m
Mon 10/196:00 am -
2 stops19h 00m
Deal found 8/28![Delta logo]()
$1,113
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 September 1, 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 September 1, 2026.
This Trip.com deal was found by Cheapflights users on 8/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:20 pm -
1 stop26h 30m
Sat 10/249:25 am -
1 stop18h 50m
Deal found 8/31![Air Serbia logo]()
$721
This Turkish Airlines deal was found by Cheapflights users on 8/30. 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 10/148:10 pm -
1 stop16h 20m
Wed 10/218:25 pm -
1 stop28h 50m
Deal found 8/30![Turkish Airlines logo]()
$850
This Mytrip deal was found by Cheapflights users on 8/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:30 pm -
3 stops31h 30m
Thu 11/59:30 am -
1 stop36h 15m
Deal found 8/29![Multiple Airlines logo]()
$943
This Delta deal was found by Cheapflights users on 8/29. 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.
Tue 10/1312:49 pm -
2 stops18h 01m
Tue 10/206:00 am -
2 stops17h 47m
Deal found 8/29![Delta logo]()
$994
This Air Serbia deal was found by Cheapflights users on 8/29. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:40 pm -
1 stop33h 10m
Tue 9/299:25 am -
1 stop36h 05m
Deal found 8/29![Air Serbia logo]()
$811
This FlightHub deal was found by Cheapflights users on 8/29. 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.
Sun 10/1111:25 am -
1 stop25h 05m
Mon 12/77:40 pm -
1 stop29h 40m
Deal found 8/29![Turkish Airlines logo]()
$876
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:20 pm -
1 stop12h 45m
Sun 10/181:45 pm -
2 stops35h 05m
Deal found 8/27![Multiple Airlines logo]()
$963
This Turkish Airlines deal was found by Cheapflights users on 8/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:45 pm -
1 stop24h 00m
Thu 11/59:10 am -
1 stop32h 50m
Deal found 8/29![Turkish Airlines logo]()
$890
This Delta deal was found by Cheapflights users on 8/30. 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.
Wed 10/149:29 am -
2 stops20h 56m
Wed 10/216:00 am -
2 stops19h 00m
Deal found 8/30![Delta logo]()
$1,025
This Turkish Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/278:10 pm -
1 stop16h 20m
Sun 10/48:25 pm -
1 stop20h 15m
Deal found 8/30![Turkish Airlines logo]()
$955
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:27 pm -
2 stops17h 23m
Sun 10/186:00 am -
2 stops19h 00m
Deal found 8/27![Delta logo]()
$1,055
This Mytrip deal was found by Cheapflights users on 8/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:45 am -
3 stops17h 50m
Wed 10/211:15 pm -
3 stops28h 45m
Deal found 8/30![Multiple Airlines logo]()
$1,175
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:19 pm -
2 stops17h 31m
Thu 10/16:00 am -
2 stops19h 33m
Deal found 8/27![Delta logo]()
$1,109
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:44 pm -
2 stops21h 11m
Mon 10/196:00 am -
2 stops19h 00m
Deal found 8/28![Delta logo]()
$1,113
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:27 pm -
2 stops17h 23m
Sat 10/246:00 am -
2 stops19h 00m
Deal found 8/28![Delta logo]()
$1,210
This Delta deal was found by Cheapflights users on 8/30. 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 9/277:01 pm -
2 stops20h 54m
Sun 10/46:00 am -
2 stops19h 33m
Deal found 8/30![Delta logo]()
$1,237
This Delta deal was found by Cheapflights users on 8/31. 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.
Mon 9/141:00 pm -
2 stops17h 50m
Tue 9/296:00 am -
2 stops19h 33m
Deal found 8/31![Delta logo]()
$1,629
Last-minute flights from Illinois to SloveniaDiscover last-minute flight deals from Illinois to Slovenia. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Slovenia. Data last updated September 1, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:35 am -
2 stops19h 15m
Mon 9/146:00 am -
2 stops19h 19m
Deal found 8/28![Delta logo]()
$2,490
This lol.travel deal was found by Cheapflights users on 8/31. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:40 pm -
1 stop33h 10m
Tue 9/299:25 am -
1 stop36h 05m
Deal found 8/31![Air Serbia logo]()
$801
This Orbitz deal was found by Cheapflights users on 8/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:00 am -
2 stops18h 50m
Tue 9/298:40 pm -
1 stop24h 50m
Deal found 8/27![Multiple Airlines logo]()
$1,031
This Delta deal was found by Cheapflights users on 8/31. 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.
Mon 9/141:00 pm -
2 stops17h 50m
Tue 9/296:00 am -
2 stops19h 33m
Deal found 8/31![Delta logo]()
$1,629
This Gotogate deal was found by Cheapflights users on 8/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:10 pm -
1 stop16h 20m
Thu 10/19:45 am -
1 stop30h 55m
Deal found 8/27![Turkish Airlines logo]()
$970
This Mytrip deal was found by Cheapflights users on 8/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:25 pm -
3 stops22h 05m
Thu 10/15:30 am -
3 stops19h 45m
Deal found 8/27![Multiple Airlines logo]()
$1,016
This oojo deal was found by Cheapflights users on 8/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:30 pm -
2 stops13h 55m
Thu 10/16:25 am -
1 stop20h 30m
Deal found 8/27![Lufthansa logo]()
$1,056
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:19 pm -
2 stops17h 31m
Thu 10/16:00 am -
2 stops19h 33m
Deal found 8/27![Delta logo]()
$1,109
This Turkish Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/278:10 pm -
1 stop16h 20m
Sun 10/48:25 pm -
1 stop20h 15m
Deal found 8/30![Turkish Airlines logo]()
$955
This Gotogate deal was found by Cheapflights users on 8/30. 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.
Sun 9/2711:05 am -
2 stops16h 00m
Sun 10/46:25 am -
1 stop13h 10m
Deal found 8/30![Multiple Airlines logo]()
$1,035
This Delta deal was found by Cheapflights users on 8/30. 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 9/277:01 pm -
2 stops20h 54m
Sun 10/46:00 am -
2 stops19h 33m
Deal found 8/30![Delta logo]()
$1,237
This Turkish Airlines deal was found by Cheapflights users on 8/26. 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.
Mon 9/288:10 pm -
1 stop33h 55m
Thu 10/19:45 am -
1 stop30h 55m
Deal found 8/26![Turkish Airlines logo]()
$1,030
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 September 1, 2026.
Search for one-way flight options from Illinois to Slovenia. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:30 pm -
3 stops59h 10m
Deal found 8/28![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 8/30. 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.
Tue 10/207:25 pm -
3 stops34h 55m
Deal found 8/30![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:11 pm -
2 stops55h 04m
Deal found 8/28![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:20 pm -
3 stops59h 35m
Deal found 8/28![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:20 pm -
3 stops46h 30m
Deal found 8/28![Multiple Airlines logo]()
$413
This Mytrip deal was found by Cheapflights users on 9/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:25 pm -
3 stops22h 05m
Deal found 9/1![Multiple Airlines logo]()
$443
This Mytrip deal was found by Cheapflights users on 8/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:05 pm -
1 stop11h 50m
Deal found 8/28![SWISS logo]()
$448
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:45 am -
3 stops38h 55m
Deal found 8/28![Multiple Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:10 pm -
1 stop13h 40m
Deal found 8/28![Delta logo]()
$463
This Lufthansa deal was found by Cheapflights users on 8/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:35 pm -
1 stop14h 00m
Deal found 8/29![Lufthansa logo]()
$467
This KLM deal was found by Cheapflights users on 8/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:25 pm -
1 stop12h 55m
Deal found 8/28![KLM logo]()
$468
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:25 pm -
3 stops30h 25m
Deal found 8/27![Multiple Airlines logo]()
$480
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 September 1, 2026.
Round-trip from | $708 (Trip.com) |
|---|---|
One-way from | $365 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $1,095 |
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 September 1, 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 10/17
11:20 pm-8:50 am
1 stop26h 30m
Ljubljana Joze Pucnik
Sat 10/24
9:25 am-9:15 pm
1 stop18h 50m
$721
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Mon 9/14
4:40 pm-8:50 am
1 stop33h 10m
Ljubljana Joze Pucnik
Tue 9/29
9:25 am-2:30 pm
1 stop36h 05m
$811
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Wed 10/14
8:10 pm-7:30 pm
1 stop16h 20m
Ljubljana Joze Pucnik
Wed 10/21
8:25 pm-6:15 pm
1 stop28h 50m
$850
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Sun 10/11
11:25 am-7:30 pm
1 stop25h 05m
Ljubljana Joze Pucnik
Mon 12/7
7:40 pm-6:20 pm
1 stop29h 40m
$876
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Sat 10/31
12:45 pm-6:45 pm
1 stop24h 00m
Ljubljana Joze Pucnik
Thu 11/5
9:10 am-11:00 am
1 stop32h 50m
$890
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Sat 10/31
7:30 pm-9:00 am
3 stops31h 30m
Ljubljana Joze Pucnik
Thu 11/5
9:30 am-2:45 pm
1 stop36h 15m
$943
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Sun 9/27
8:10 pm-7:30 pm
1 stop16h 20m
Ljubljana Joze Pucnik
Sun 10/4
8:25 pm-9:40 am
1 stop20h 15m
$955
ChicagoLjubljana
ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik
ORDLJU
Chicago O'Hare Intl
Sun 10/11
2:20 pm-10:05 am
1 stop12h 45m
Ljubljana Joze Pucnik
Sun 10/18
1:45 pm-5:50 pm
2 stops35h 05m
$963
Quickest round-trip
ChicagoLjubljana
MDW Chicago Midway - LJU Ljubljana Joze Pucnik
MDWLJU
Chicago Midway
Tue 10/13
12:49 pm-1:50 pm
2 stops18h 01m
Ljubljana Joze Pucnik
Tue 10/20
6:00 am-4:47 pm
2 stops17h 47m
$994
ChicagoLjubljana
MDW Chicago Midway - LJU Ljubljana Joze Pucnik
MDWLJU
Chicago Midway
Wed 10/14
9:29 am-1:25 pm
2 stops20h 56m
Ljubljana Joze Pucnik
Wed 10/21
6:00 am-6:00 pm
2 stops19h 00m
$1,025
Showing 1-10 of 33 resultsSorted 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
MDW-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
MDW-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 $1,263). 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
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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 September 1, 2026.
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Find a return flight route from Slovenia
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Illinois to Slovenia flights
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Top 3 airlines flying from Illinois to Slovenia
Discover the top 3 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 September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$589 | Average$1,064 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$697 | Average$883 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$771 | Average$1,286 | FlexibilityNo cancel fee | On-time76% |