$373+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LJU
Jul 15 — Jul 221
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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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 June 15, 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 June 15, 2026.
This Air Serbia deal was found by Cheapflights users on 6/12. 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 9/511:20 pm
ORD
- LJU
1 stop26h 30m
Air Serbia
Sat 9/129:25 am
LJU
- ORD
1 stop18h 50m
Air Serbia
Deal found 6/12![Air Serbia logo]()
$787
This Air Serbia deal was found by Cheapflights users on 6/13. 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.
Wed 9/304:40 pm
ORD
- LJU
1 stop20h 25m
Air Serbia
Fri 10/98:40 pm
LJU
- ORD
1 stop31h 35m
Air Serbia
Deal found 6/13![Air Serbia logo]()
$790
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:20 pm
ORD
- LJU
1 stop26h 30m
Air Serbia
Tue 9/19:25 am
LJU
- ORD
1 stop36h 05m
Air Serbia
Deal found 6/10![Air Serbia logo]()
$794
This Turkish Airlines deal was found by Cheapflights users on 6/11. 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 9/28:10 pm
ORD
- LJU
1 stop16h 10m
Turkish Airlines
Thu 9/108:15 pm
LJU
- ORD
1 stop20h 25m
Turkish Airlines
Deal found 6/11![Turkish Airlines logo]()
$798
This oojo deal was found by Cheapflights users on 6/10. 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.
Tue 9/811:25 am
ORD
- LJU
1 stop18h 30m
Turkish Airlines
Mon 9/141:50 pm
LJU
- ORD
1 stop26h 50m
Turkish Airlines
Deal found 6/10![Turkish Airlines logo]()
$801
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Wed 9/304:40 pm
ORD
- LJU
1 stop20h 25m
Air Serbia
Tue 10/139:25 am
LJU
- ORD
1 stop36h 05m
Air Serbia
Deal found 6/13![Air Serbia logo]()
$804
This oojo deal was found by Cheapflights users on 6/14. 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.
Fri 11/69:15 pm
ORD
- LJU
1 stop28h 00m
Turkish Airlines
Tue 11/179:10 am
LJU
- ORD
1 stop16h 10m
Turkish Airlines
Deal found 6/14![Turkish Airlines logo]()
$805
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 10/18:10 pm
ORD
- LJU
1 stop16h 10m
Turkish Airlines
Thu 10/88:15 pm
LJU
- ORD
1 stop20h 25m
Turkish Airlines
Deal found 6/13![Turkish Airlines logo]()
$819
This Air Serbia deal was found by Cheapflights users on 6/12. 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 9/511:20 pm
ORD
- LJU
1 stop26h 30m
Air Serbia
Tue 9/89:25 am
LJU
- ORD
1 stop36h 05m
Air Serbia
Deal found 6/12![Air Serbia logo]()
$820
This oojo deal was found by Cheapflights users on 6/13. 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 9/3011:25 am
ORD
- LJU
1 stop24h 55m
Turkish Airlines
Sat 10/108:15 pm
LJU
- ORD
1 stop29h 00m
Turkish Airlines
Deal found 6/13![Turkish Airlines logo]()
$823
This Turkish Airlines deal was found by Cheapflights users on 6/13. 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 9/111:25 am
ORD
- LJU
1 stop18h 30m
Turkish Airlines
Tue 9/88:15 pm
LJU
- ORD
1 stop20h 25m
Turkish Airlines
Deal found 6/13![Turkish Airlines logo]()
$824
This Turkish Airlines deal was found by Cheapflights users on 6/13. 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 9/2711:25 am
ORD
- LJU
1 stop18h 30m
Turkish Airlines
Tue 10/139:40 am
LJU
- ORD
1 stop15h 35m
Turkish Airlines
Deal found 6/13![Turkish Airlines logo]()
$828
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 June 15, 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 June 15, 2026.
This Turkish Airlines deal was found by Cheapflights users on 6/11. 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 9/28:10 pm
ORD
- LJU
1 stop16h 10m
Turkish Airlines
Thu 9/108:15 pm
LJU
- ORD
1 stop20h 25m
Turkish Airlines
Deal found 6/11![Turkish Airlines logo]()
$798
This Delta deal was found by Cheapflights users on 6/13. 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 9/271:14 pm
MDW
- LJU
2 stops17h 36m
Delta
Thu 10/86:00 am
LJU
- MDW
2 stops17h 50m
Delta
Deal found 6/13![Delta logo]()
$994
This KLM deal was found by Cheapflights users on 6/10. 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 10/113:35 pm
ORD
- LJU
2 stops14h 50m
KLM
Mon 12/712:25 pm
LJU
- ORD
1 stop33h 45m
KLM
Deal found 6/10![KLM logo]()
$1,011
This Turkish Airlines deal was found by Cheapflights users on 6/13. 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.
Thu 10/18:10 pm
ORD
- LJU
1 stop33h 45m
Turkish Airlines
Tue 10/139:40 am
LJU
- ORD
1 stop31h 00m
Turkish Airlines
Deal found 6/13![Turkish Airlines logo]()
$828
This Turkish Airlines deal was found by Cheapflights users on 6/14. 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 10/118:10 pm
ORD
- LJU
1 stop29h 35m
Turkish Airlines
Mon 12/79:10 am
LJU
- ORD
1 stop31h 50m
Turkish Airlines
Deal found 6/14![Turkish Airlines logo]()
$838
This Delta deal was found by Cheapflights users on 6/14. 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 7/296:00 am
MDW
- LJU
2 stops22h 20m
Delta
Wed 8/56:00 am
LJU
- MDW
2 stops19h 33m
Delta
Deal found 6/14![Delta logo]()
$994
This Turkish Airlines deal was found by Cheapflights users on 6/11. 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 9/2511:25 am
ORD
- LJU
1 stop18h 30m
Turkish Airlines
Sat 10/39:40 am
LJU
- ORD
1 stop31h 00m
Turkish Airlines
Deal found 6/11![Turkish Airlines logo]()
$898
This Delta deal was found by Cheapflights users on 6/14. 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 10/1312:30 pm
MDW
- LJU
2 stops18h 20m
Delta
Tue 10/2712:55 pm
LJU
- MDW
2 stops26h 57m
Delta
Deal found 6/14![Delta logo]()
$994
This Turkish Airlines deal was found by Cheapflights users on 6/11. 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 9/118:10 pm
ORD
- LJU
1 stop16h 10m
Turkish Airlines
Sun 9/209:40 am
LJU
- ORD
1 stop31h 00m
Turkish Airlines
Deal found 6/11![Turkish Airlines logo]()
$898
This Delta deal was found by Cheapflights users on 6/10. 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 8/229:59 am
MDW
- LJU
2 stops18h 21m
Delta
Tue 9/16:00 am
LJU
- MDW
2 stops16h 44m
Delta
Deal found 6/10![Delta logo]()
$1,044
This Turkish Airlines deal was found by Cheapflights users on 6/14. 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 9/411:25 am
ORD
- LJU
1 stop18h 30m
Turkish Airlines
Sat 9/128:15 pm
LJU
- ORD
1 stop20h 25m
Turkish Airlines
Deal found 6/14![Turkish Airlines logo]()
$924
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 8/1412:46 pm
MDW
- LJU
2 stops16h 09m
Delta
Fri 8/216:00 am
LJU
- MDW
2 stops19h 33m
Delta
Deal found 6/11![Delta logo]()
$1,044
This Delta deal was found by Cheapflights users on 6/10. 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.
Fri 10/91:05 pm
MDW
- LJU
2 stops17h 20m
Delta
Tue 10/206:00 am
LJU
- MDW
2 stops17h 50m
Delta
Deal found 6/10![Delta logo]()
$1,048
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:10 pm
ORD
- LJU
1 stop16h 10m
Turkish Airlines
Wed 9/99:40 am
LJU
- ORD
1 stop15h 35m
Turkish Airlines
Deal found 6/15![Turkish Airlines logo]()
$999
This Delta deal was found by Cheapflights users on 6/14. 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 8/99:59 am
MDW
- LJU
2 stops18h 21m
Delta
Wed 8/196:00 am
LJU
- MDW
2 stops17h 15m
Delta
Deal found 6/14![Delta logo]()
$1,057
This Delta deal was found by Cheapflights users on 6/14. 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 8/99:59 am
MDW
- LJU
2 stops18h 21m
Delta
Tue 8/186:00 am
LJU
- MDW
2 stops19h 01m
Delta
Deal found 6/14![Delta logo]()
$1,057
This Delta deal was found by Cheapflights users on 6/11. 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 9/81:00 pm
MDW
- LJU
2 stops17h 50m
Delta
Mon 9/146:00 am
LJU
- MDW
2 stops19h 33m
Delta
Deal found 6/11![Delta logo]()
$1,108
This Delta deal was found by Cheapflights users on 6/13. 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 9/306:51 pm
MDW
- LJU
2 stops21h 04m
Delta
Sat 10/106:00 am
LJU
- MDW
2 stops19h 37m
Delta
Deal found 6/13![Delta logo]()
$1,168
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 9/181:00 pm
MDW
- LJU
2 stops17h 25m
Delta
Sun 9/276:00 am
LJU
- MDW
2 stops19h 33m
Delta
Deal found 6/11![Delta logo]()
$1,301
Last-minute flights from Illinois to SloveniaDiscover last-minute flight deals from Illinois to Slovenia. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Slovenia. Data last updated June 15, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/10. 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 6/241:49 pm
MDW
- LJU
2 stops17h 01m
Delta
Wed 7/16:00 am
LJU
- MDW
2 stops23h 17m
Delta
Deal found 6/10![Delta logo]()
$2,089
This Mytrip deal was found by Cheapflights users on 6/14. 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.
Fri 7/107:25 pm
ORD
- LJU
3 stops34h 20m
Multiple Airlines
Tue 7/143:10 pm
LJU
- ORD
2 stops35h 55m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,103
This KLM deal was found by Cheapflights users on 6/13. 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.
Mon 7/134:50 pm
ORD
- LJU
1 stop23h 05m
KLM
Mon 7/207:00 pm
LJU
- ORD
1 stop27h 10m
KLM
Deal found 6/13![KLM logo]()
$1,004
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Mon 7/134:40 pm
ORD
- LJU
1 stop20h 25m
Air Serbia
Fri 7/178:40 pm
LJU
- ORD
1 stop31h 35m
Air Serbia
Deal found 6/10![Air Serbia logo]()
$1,014
This Delta deal was found by Cheapflights users on 6/13. 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 7/1310:28 am
ORD
- LJU
2 stops17h 52m
Delta
Mon 7/206:00 am
LJU
- ORD
2 stops21h 31m
Delta
Deal found 6/13![Delta logo]()
$1,064
This Delta deal was found by Cheapflights users on 6/14. 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 7/1411:30 am
ORD
- LJU
2 stops16h 50m
Delta
Tue 7/216:00 am
LJU
- ORD
1 stop15h 15m
Delta
Deal found 6/14![Delta logo]()
$984
This Delta deal was found by Cheapflights users on 6/14. 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 7/141:18 pm
MDW
- LJU
2 stops15h 02m
Delta
Tue 7/216:00 am
LJU
- MDW
2 stops19h 18m
Delta
Deal found 6/14![Delta logo]()
$994
This Mytrip deal was found by Cheapflights users on 6/14. 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 7/1410:25 am
MDW
- LJU
3 stops19h 10m
Multiple Airlines
Tue 7/219:35 am
LJU
- MDW
3 stops31h 05m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,188
This Delta deal was found by Cheapflights users on 6/10. 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 7/303:55 pm
ORD
- LJU
2 stops19h 20m
Delta
Tue 8/116:00 am
LJU
- ORD
1 stop15h 15m
Delta
Deal found 6/10![Delta logo]()
$1,034
This Mytrip deal was found by Cheapflights users on 6/10. 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 7/307:25 pm
ORD
- LJU
3 stops30h 25m
Multiple Airlines
Tue 8/1110:50 am
LJU
- ORD
3 stops37h 07m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,113
This KLM deal was found by Cheapflights users on 6/10. 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.
Fri 7/314:20 pm
ORD
- LJU
1 stop12h 45m
KLM
Sat 8/86:00 am
LJU
- ORD
1 stop15h 15m
KLM
Deal found 6/10![KLM logo]()
$1,104
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 7/314:20 pm
ORD
- LJU
1 stop12h 45m
Delta
Sat 8/86:00 am
LJU
- ORD
2 stops21h 54m
Delta
Deal found 6/11![Delta logo]()
$1,114
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 June 15, 2026.
Search for one-way flight options from Illinois to Slovenia. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This oojo deal was found by Cheapflights users on 6/10. 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.
Tue 10/202:50 pm
ORD
- LJU
2 stops19h 25m
British Airways
Deal found 6/10![British Airways logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 10/47:25 pm
ORD
- LJU
2 stops17h 20m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$389
This KLM deal was found by Cheapflights users on 6/11. 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 10/45:10 pm
ORD
- LJU
1 stop13h 40m
KLM
Deal found 6/11![KLM logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/175:13 pm
ORD
- LJU
2 stops44h 42m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$506
This KLM deal was found by Cheapflights users on 6/11. 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.
Fri 7/174:20 pm
ORD
- LJU
1 stop23h 35m
KLM
Deal found 6/11![KLM logo]()
$528
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Mon 6/229:30 pm
ORD
- LJU
3 stops29h 40m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$555
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Mon 6/223:20 pm
MDW
- LJU
3 stops35h 50m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$560
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 6/219:00 pm
ORD
- LJU
2 stops39h 35m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$619
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 6/2010:25 am
MDW
- LJU
3 stops39h 50m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$728
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 6/213:20 pm
MDW
- LJU
2 stops21h 25m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$970
This Delta deal was found by Cheapflights users on 6/10. 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 7/61:49 pm
MDW
- LJU
2 stops14h 31m
Delta
Deal found 6/10![Delta logo]()
$1,762
This Delta deal was found by Cheapflights users on 6/13. 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 6/206:00 am
MDW
- LJU
2 stops24h 50m
Delta
Deal found 6/13![Delta logo]()
$3,358
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 June 15, 2026.
Round-trip from | $787 (Air Serbia) |
|---|---|
One-way from | $373 (oojo) |
Popular in | June |
Cheapest in | February |
Average price | $1,779 |
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 2,558,603 searches. Data last updated June 15, 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 - LJU
ORDLJU
Chicago O'Hare Intl
Wed 9/2
8:10 pm-7:20 pm
1 stop16h 10m
Ljubljana Joze Pucnik
Thu 9/10
8:15 pm-9:40 am
1 stop20h 25m
$798
ChicagoLjubljana
ORD - LJU
ORDLJU
Chicago O'Hare Intl
Thu 10/1
8:10 pm-12:55 pm
1 stop33h 45m
Ljubljana Joze Pucnik
Tue 10/13
9:40 am-9:40 am
1 stop31h 00m
$828
ChicagoLjubljana
ORD - LJU
ORDLJU
Chicago O'Hare Intl
Sun 10/11
8:10 pm-8:45 am
1 stop29h 35m
Ljubljana Joze Pucnik
Mon 12/7
9:10 am-10:00 am
1 stop31h 50m
$838
ChicagoLjubljana
ORD - LJU
ORDLJU
Chicago O'Hare Intl
Fri 9/25
11:25 am-12:55 pm
1 stop18h 30m
Ljubljana Joze Pucnik
Sat 10/3
9:40 am-9:40 am
1 stop31h 00m
$898
ChicagoLjubljana
ORD - LJU
ORDLJU
Chicago O'Hare Intl
Fri 9/11
8:10 pm-7:20 pm
1 stop16h 10m
Ljubljana Joze Pucnik
Sun 9/20
9:40 am-9:40 am
1 stop31h 00m
$898
ChicagoLjubljana
ORD - LJU
ORDLJU
Chicago O'Hare Intl
Fri 9/4
11:25 am-12:55 pm
1 stop18h 30m
Ljubljana Joze Pucnik
Sat 9/12
8:15 pm-9:40 am
1 stop20h 25m
$924
ChicagoLjubljana
MDW - LJU
MDWLJU
Chicago Midway
Sun 9/27
1:14 pm-1:50 pm
2 stops17h 36m
Ljubljana Joze Pucnik
Thu 10/8
6:00 am-4:50 pm
2 stops17h 50m
$994
ChicagoLjubljana
MDW - LJU
MDWLJU
Chicago Midway
Wed 7/29
6:00 am-11:20 am
2 stops22h 20m
Ljubljana Joze Pucnik
Wed 8/5
6:00 am-6:33 pm
2 stops19h 33m
$994
ChicagoLjubljana
MDW - LJU
MDWLJU
Chicago Midway
Tue 10/13
12:30 pm-1:50 pm
2 stops18h 20m
Ljubljana Joze Pucnik
Tue 10/27
12:55 pm-9:52 am
2 stops26h 57m
$994
Quickest round-trip
ChicagoLjubljana
ORD - LJU
ORDLJU
Chicago O'Hare Intl
Sun 9/6
8:10 pm-7:20 pm
1 stop16h 10m
Ljubljana Joze Pucnik
Wed 9/9
9:40 am-6:15 pm
1 stop15h 35m
$999
Showing 1-10 of 29 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, March is the cheapest month in which you can book a flight from Illinois to Slovenia (average of $513). Flying from Illinois to Slovenia in June is currently the most expensive (average of $935). 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.
Browse thousands of different options on Cheapflights for your next trip
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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 June 15, 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 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 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$587 | Average$749 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$697 | Average$883 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$849 | Average$1,086 | FlexibilityNo cancel fee | On-time76% |