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Cheap flights from Illinois to Slovenia from $449

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 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Slovenia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
11:25 am - 12:55 pm
ORD
-
LJU
18h 30m
1 stop
Turkish Airlines Logo
8:15 pm - 9:40 am
LJU
-
ORD
20h 25m
1 stop
$726Turkish Airlines
Tue, Sep 15 - Tue, Sep 22
Turkish Airlines Logo
8:10 pm - 12:55 pm
ORD
-
LJU
33h 45m
1 stop
Turkish Airlines Logo
1:50 pm - 9:40 am
LJU
-
ORD
26h 50m
1 stop
$732Turkish Airlines
Wed, Oct 7 - Wed, Oct 21
Turkish Airlines Logo
8:10 pm - 7:20 pm
ORD
-
LJU
16h 10m
1 stop
Turkish Airlines Logo
8:15 pm - 9:40 am
LJU
-
ORD
20h 25m
1 stop
$750Turkish Airlines
Tue, Sep 22 - Wed, Oct 7
Turkish Airlines Logo
11:25 am - 12:55 pm
ORD
-
LJU
18h 30m
1 stop
Turkish Airlines Logo
8:15 pm - 9:40 am
LJU
-
ORD
20h 25m
1 stop
$763Turkish Airlines
Fri, Sep 4 - Tue, Sep 15
Air Serbia Logo
4:40 pm - 8:05 pm
ORD
-
LJU
20h 25m
1 stop
Air Serbia Logo
8:40 pm - 2:30 pm
LJU
-
ORD
24h 50m
1 stop
$785Air Serbia
Mon, Sep 7 - Sun, Sep 13
Delta Logo
9:19 am - 11:20 am
MDW
-
LJU
19h 01m
2 stops
Delta Logo
6:00 am - 6:33 pm
LJU
-
MDW
19h 33m
2 stops
$973Delta
Tue, Jul 28 - Fri, Aug 7
Delta Logo
9:19 am - 12:05 pm
MDW
-
LJU
19h 46m
2 stops
Delta Logo
6:00 am - 6:33 pm
LJU
-
MDW
19h 33m
2 stops
$977Delta
Mon, Jul 27 - Fri, Aug 7
Air France Logo
1:18 pm - 11:20 am
MDW
-
LJU
15h 02m
2 stops
Air France Logo
12:05 pm - 10:36 pm
LJU
-
MDW
17h 31m
2 stops
$1,127Air France
Mon, Jul 20 - Thu, Aug 13
Multiple Airlines Logo
10:15 am - 7:20 pm
MDW
-
LJU
26h 05m
3 stops
Multiple Airlines Logo
1:20 pm - 2:35 pm
LJU
-
MDW
32h 15m
3 stops
$1,268Multiple Airlines
Thu, Jun 11 - Thu, Jun 18
Multiple Airlines Logo
10:15 am - 12:35 pm
MDW
-
LJU
19h 20m
3 stops
Multiple Airlines Logo
6:25 am - 9:35 am
LJU
-
MDW
34h 10m
3 stops
$1,359Multiple Airlines
Sun, Jun 7 - Sun, Jun 14

Air Serbia flights from Illinois to Slovenia

Our best Air Serbia deals on Illinois to Slovenia flight tickets
Air Serbia
Sep 7
ORD4:40 pmChicago O'Hare Intl
20h 25m
1 stop
LJU8:05 pmLjubljana Joze Pucnik
Sep 13
LJU8:40 pmLjubljana Joze Pucnik
24h 50m
1 stop
ORD2:30 pmChicago O'Hare Intl
$785
Air Serbia
Sep 7
ORD4:40 pmChicago O'Hare Intl
33h 10m
1 stop
LJU8:50 amLjubljana Joze Pucnik
Sep 13
LJU2:50 pmLjubljana Joze Pucnik
30h 40m
1 stop
ORD2:30 pmChicago O'Hare Intl
$786

LOT flights from Illinois to Slovenia

Our best LOT deals on Illinois to Slovenia flight tickets
LOT
Sep 4
ORD5:10 pmChicago O'Hare Intl
36h 35m
2 stops
LJU12:45 pmLjubljana Joze Pucnik
Sep 15
LJU5:05 pmLjubljana Joze Pucnik
33h 45m
1 stop
ORD7:50 pmChicago O'Hare Intl
$890
LOT
Aug 20
ORD5:10 pmChicago O'Hare Intl
12h 35m
1 stop
LJU12:45 pmLjubljana Joze Pucnik
Aug 28
LJU1:30 pmLjubljana Joze Pucnik
13h 20m
1 stop
ORD7:50 pmChicago O'Hare Intl
$900
LOT
Sep 20
ORD5:10 pmChicago O'Hare Intl
40h 10m
2 stops
LJU4:20 pmLjubljana Joze Pucnik
Sep 27
LJU1:30 pmLjubljana Joze Pucnik
13h 20m
1 stop
ORD7:50 pmChicago O'Hare Intl
$942

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 May 12, 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

Price

Cheapest round-trip

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Tue 9/15

11:25 am-12:55 pm

1 stop18h 30m

Ljubljana Joze Pucnik

Tue 9/22

8:15 pm-9:40 am

1 stop20h 25m

$726

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Wed 10/7

8:10 pm-12:55 pm

1 stop33h 45m

Ljubljana Joze Pucnik

Wed 10/21

1:50 pm-9:40 am

1 stop26h 50m

$732

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Tue 9/22

8:10 pm-7:20 pm

1 stop16h 10m

Ljubljana Joze Pucnik

Wed 10/7

8:15 pm-9:40 am

1 stop20h 25m

$750

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Fri 9/4

11:25 am-12:55 pm

1 stop18h 30m

Ljubljana Joze Pucnik

Tue 9/15

8:15 pm-9:40 am

1 stop20h 25m

$763

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Mon 9/7

4:40 pm-8:05 pm

1 stop20h 25m

Ljubljana Joze Pucnik

Sun 9/13

8:40 pm-2:30 pm

1 stop24h 50m

$785

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Tue 7/28

9:19 am-11:20 am

2 stops19h 01m

Ljubljana Joze Pucnik

Fri 8/7

6:00 am-6:33 pm

2 stops19h 33m

$973

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Mon 7/27

9:19 am-12:05 pm

2 stops19h 46m

Ljubljana Joze Pucnik

Fri 8/7

6:00 am-6:33 pm

2 stops19h 33m

$977
Quickest round-trip

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Mon 7/20

1:18 pm-11:20 am

2 stops15h 02m

Ljubljana Joze Pucnik

Thu 8/13

12:05 pm-10:36 pm

2 stops17h 31m

$1,127

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Thu 6/11

10:15 am-7:20 pm

3 stops26h 05m

Ljubljana Joze Pucnik

Thu 6/18

1:20 pm-2:35 pm

3 stops32h 15m

$1,268

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Sun 6/7

10:15 am-12:35 pm

3 stops19h 20m

Ljubljana Joze Pucnik

Sun 6/14

6:25 am-9:35 am

3 stops34h 10m

$1,359

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 January is, on average, the cheapest month to fly to Slovenia from Illinois, with most prices found around $0. The month of March is another great option to travel to Slovenia, with average flight prices from Illinois averaging around $513.

Can stopping save me money on Illinois to Slovenia flights?

You could potentially save up to 27% on your flight if you consider stops on a Illinois to Slovenia flight.

Cheap Illinois to Slovenia flight deals and tips

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

Fastest flight time

15h 02m

Direct flights

None
The fastest flight from Illinois to Slovenia takes 15h 02m
There are no direct flights from Illinois to Slovenia. There are no popular flight routes from Illinois to Slovenia.
Search flight deals

Frequently asked questions about flying from Illinois to Slovenia

  • 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 $587Free CancellationRating
7.4
4,360 reviews
Search Turkish Airlines flights
SWISSPriceFrom $697Free CancellationRating
7.6
1,942 reviews
Search SWISS flights
LufthansaPriceFrom $849Free CancellationRating
6.8
7,992 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.

An easier way to manage your Slovenia trip

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Find better results for your trip to Slovenia

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