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Cheap flights from Illinois to Slovenia from $258

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Slovenia departing on 10/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Illinois to Slovenia

Cheap round-trip flights

Turkish Airlines Logo
8:20 pm - 8:25 amORD-LJU
29h 05m1 stop
Turkish Airlines Logo
9:20 am - 6:25 pmLJU-ORD
16h 05m1 stop
$578Turkish Airlines
Find Deal
Wed, Nov 26 - Fri, Dec 5
Turkish Airlines Logo
11:45 pm - 8:30 amORD-LJU
25h 45m1 stop
Turkish Airlines Logo
8:10 pm - 9:40 amLJU-ORD
20h 30m1 stop
$584Turkish Airlines
Find Deal
Wed, Sep 3 - Wed, Sep 17
LOT Logo
10:55 pm - 1:05 pmORD-LJU
32h 10m1 stop
LOT Logo
5:10 pm - 8:00 pmLJU-ORD
33h 50m1 stop
$591LOT
Find Deal
Wed, Oct 29 - Tue, Nov 4
Turkish Airlines Logo
9:20 pm - 6:40 pmORD-LJU
15h 20m1 stop
Turkish Airlines Logo
9:20 am - 6:25 pmLJU-ORD
16h 05m1 stop
$603Turkish Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
LOT Logo
10:55 pm - 1:05 pmORD-LJU
32h 10m1 stop
LOT Logo
5:10 pm - 8:00 pmLJU-ORD
33h 50m1 stop
$618LOT
Find Deal
Sat, Nov 1 - Tue, Nov 4
Logo
7:15 am - 1:35 pmORD-LJU
24h 20m2 stops
Logo
6:35 am - 1:10 pmLJU-ORD
13h 35m1 stop
$713
Find Deal
Wed, Oct 29 - Tue, Nov 4
Logo
12:50 pm - 1:35 pmORD-LJU
18h 45m2 stops
Logo
10:30 am - 7:30 pmLJU-ORD
16h 00m2 stops
$719
Find Deal
Wed, Oct 29 - Thu, Nov 6
SWISS Logo
7:50 pm - 2:20 pmORD-LJU
12h 30m1 stop
SWISS Logo
3:10 pm - 4:20 pmLJU-ORD
32h 10m1 stop
$725SWISS
Find Deal
Sun, Oct 26 - Mon, Nov 3
Delta Logo
6:20 pm - 11:40 amORD-LJU
11h 20m1 stop
Delta Logo
12:25 pm - 9:56 amLJU-ORD
28h 31m2 stops
$740Delta
Find Deal
Tue, Oct 28 - Fri, Nov 7
Delta Logo
1:26 pm - 11:40 amORD-LJU
16h 14m2 stops
Delta Logo
12:25 pm - 12:17 pmLJU-ORD
30h 52m2 stops
$744Delta
Find Deal
Tue, Oct 28 - Fri, Nov 7

LOT flights from Illinois to Slovenia

Our best LOT deals on Illinois to Slovenia flight tickets
LOT
Oct 29
ORD10:55 pmChicago O'Hare Intl
32h 10m
1 stop
LJU1:05 pmLjubljana Joze Pucnik
Nov 4
LJU5:10 pmLjubljana Joze Pucnik
33h 50m
1 stop
ORD8:00 pmChicago O'Hare Intl
$591
Find similar
LOT
Nov 1
ORD10:55 pmChicago O'Hare Intl
32h 10m
1 stop
LJU1:05 pmLjubljana Joze Pucnik
Nov 4
LJU5:10 pmLjubljana Joze Pucnik
33h 50m
1 stop
ORD8:00 pmChicago O'Hare Intl
$618
Find similar
LOT
Oct 26
ORD10:55 pmChicago O'Hare Intl
35h 35m
2 stops
LJU4:30 pmLjubljana Joze Pucnik
Nov 4
LJU5:10 pmLjubljana Joze Pucnik
33h 50m
1 stop
ORD8:00 pmChicago O'Hare Intl
$659
Find similar

Delta flights from Illinois to Slovenia

Our best Delta deals on Illinois to Slovenia flight tickets
Delta
Oct 28
ORD6:20 pmChicago O'Hare Intl
11h 20m
1 stop
LJU11:40 amLjubljana Joze Pucnik
Nov 7
LJU12:25 pmLjubljana Joze Pucnik
28h 31m
2 stops
ORD9:56 amChicago O'Hare Intl
$740
Find similar
Delta
Oct 28
ORD1:26 pmChicago O'Hare Intl
16h 14m
2 stops
LJU11:40 amLjubljana Joze Pucnik
Nov 7
LJU12:25 pmLjubljana Joze Pucnik
30h 52m
2 stops
ORD12:17 pmChicago O'Hare Intl
$744
Find similar
Delta
Aug 23
MDW9:31 amChicago Midway
19h 04m
2 stops
LJU11:35 amLjubljana Joze Pucnik
Aug 26
LJU12:20 pmLjubljana Joze Pucnik
32h 16m
2 stops
MDW1:36 pmChicago Midway
$2,699
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 18, 2025.
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

Price

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Wed 11/26

8:20 pm-8:25 am

1 stop29h 05m

Ljubljana Joze Pucnik

Fri 12/5

9:20 am-6:25 pm

1 stop16h 05m

$578

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Wed 9/3

11:45 pm-8:30 am

1 stop25h 45m

Ljubljana Joze Pucnik

Wed 9/17

8:10 pm-9:40 am

1 stop20h 30m

$584

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Wed 10/29

10:55 pm-1:05 pm

1 stop32h 10m

Ljubljana Joze Pucnik

Tue 11/4

5:10 pm-8:00 pm

1 stop33h 50m

$591

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Tue 10/28

9:20 pm-6:40 pm

1 stop15h 20m

Ljubljana Joze Pucnik

Tue 11/4

9:20 am-6:25 pm

1 stop16h 05m

$603

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Sat 11/1

10:55 pm-1:05 pm

1 stop32h 10m

Ljubljana Joze Pucnik

Tue 11/4

5:10 pm-8:00 pm

1 stop33h 50m

$618

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Wed 10/29

7:15 am-1:35 pm

2 stops24h 20m

Ljubljana Joze Pucnik

Tue 11/4

6:35 am-1:10 pm

1 stop13h 35m

$713

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Wed 10/29

12:50 pm-1:35 pm

2 stops18h 45m

Ljubljana Joze Pucnik

Thu 11/6

10:30 am-7:30 pm

2 stops16h 00m

$719

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Sun 10/26

7:50 pm-2:20 pm

1 stop12h 30m

Ljubljana Joze Pucnik

Mon 11/3

3:10 pm-4:20 pm

1 stop32h 10m

$725

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Tue 10/28

6:20 pm-11:40 am

1 stop11h 20m

Ljubljana Joze Pucnik

Fri 11/7

12:25 pm-9:56 am

2 stops28h 31m

$740

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Tue 10/28

1:26 pm-11:40 am

2 stops16h 14m

Ljubljana Joze Pucnik

Fri 11/7

12:25 pm-12:17 pm

2 stops30h 52m

$744

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Slovenia from

How to get the cheapest flight ticket from Illinois to Slovenia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Slovenia?

The month of November is, on average, the cheapest month to fly to Slovenia from Illinois, with most prices found around $592. The month of October is another great option to travel to Slovenia, with average flight prices from Illinois averaging around $619.

What is the cheapest day to depart on your flight to Slovenia?

According to our data, Thursday is the cheapest day to fly to Slovenia from Illinois. The lowest ticket price found for a Thursday departure recently was $802. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Slovenia on Friday is $1,341.

What is the cheapest time of day to depart on your flight to Slovenia?

At noon is the cheapest time of day to fly from Illinois to Slovenia when you can find flight prices for as low as $832. Flying to Slovenia at noon is an ideal time because this is during off-peak travel hours. Flights to Slovenia are more costly in the afternoon, with an average ticket price of $940. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Slovenia?

You are more likely to see cheaper flights to Slovenia from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Slovenia for around $871 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Slovenia from Illinois for as low as $628 on momondo.

Cheap Illinois to Slovenia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Slovenia

Best Price Found

$258

Fastest flight time

11h 20m

Direct flights

None

Airports in Slovenia

1 airport
The best one-way flight to Slovenia from Illinois in the past 72 hours is $258. The best round-trip flight deal from Illinois to Slovenia found on momondo in the last 72 hours is $578.
The fastest flight from Illinois to Slovenia takes 11h 20m
There are no direct flights from Illinois to Slovenia. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Ljubljana Joze Pucnik Airport and Chicago Midway Airport - Ljubljana Joze Pucnik Airport.
There is 1 airport near Slovenia: Ljubljana Joze Pucnik (LJU)
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  • When did momondo last update prices for flights from Illinois to Slovenia?

    Prices for flights from Illinois to Slovenia refresh daily.

  • How many operators does momondo search for flights from Illinois to Slovenia?

  • How old do you have to be to fly from Illinois to Slovenia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Slovenia.

  • What documentation or ID do you need to fly to Slovenia?

    The required travel and health documents for your Slovenia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Slovenia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Slovenia

Compare and see reviews for airlines that fly from Illinois to Slovenia with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $531Free CancellationRating
7.3
3,945 reviews
Search Turkish Airlines flights
KLMPriceFrom $590Free CancellationRating
7.8
1,385 reviews
Search KLM flights
SWISSPriceFrom $623Free CancellationRating
7.6
1,699 reviews
Search SWISS flights
Air SerbiaPriceFrom $746Free CancellationRating
6.2
198 reviews
Search Air Serbia flights
LufthansaPriceFrom $800Free CancellationRating
6.8
7,330 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Slovenia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Slovenia. momondo saves you time and could save you money on your trip.

Can I find flights from Illinois to Slovenia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Slovenia flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Slovenia?

momondo helps you find the best flight between Illinois and Slovenia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Illinois to Slovenia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Slovenia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Slovenia and let you know when they change.

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Find better results for your trip to Slovenia

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