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Cheap flights from Chicago to Slovenia from $428

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Slovenia departing on 9/26. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Slovenia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Serbia Logo
5:30 pm - 9:00 amORD  Chicago O'Hare Intl-LJU Ljubljana Joze Pucnik
33h 30m1 stop Belgrade Nikola Tesla
Air Serbia Logo
9:30 am - 2:45 pmLJU  Ljubljana Joze Pucnik-ORD Chicago O'Hare Intl
36h 15m1 stop Belgrade Nikola Tesla
$676Air Serbia
Sat, Oct 31 - Thu, Nov 5
Air Serbia Logo
11:20 pm - 8:50 amORD  Chicago O'Hare Intl-LJU Ljubljana Joze Pucnik
26h 30m1 stop Belgrade Nikola Tesla
Air Serbia Logo
9:25 am - 9:15 pmLJU  Ljubljana Joze Pucnik-ORD Chicago O'Hare Intl
18h 50m1 stop Belgrade Nikola Tesla
$785Air Serbia
Sat, Oct 10 - Sat, Oct 17
Air Serbia Logo
4:40 pm - 8:05 pmORD  Chicago O'Hare Intl-LJU Ljubljana Joze Pucnik
20h 25m1 stop Belgrade Nikola Tesla
Air Serbia Logo
9:25 am - 2:30 pmLJU  Ljubljana Joze Pucnik-ORD Chicago O'Hare Intl
36h 05m1 stop Belgrade Nikola Tesla
$804Air Serbia
Mon, Sep 7 - Sun, Sep 20
Turkish Airlines Logo
8:10 pm - 7:30 pmORD  Chicago O'Hare Intl-LJU Ljubljana Joze Pucnik
16h 20m1 stop Istanbul
Turkish Airlines Logo
9:45 am - 9:40 amLJU  Ljubljana Joze Pucnik-ORD Chicago O'Hare Intl
30h 55m1 stop Istanbul
$831Turkish Airlines
Thu, Sep 24 - Thu, Oct 1
Turkish Airlines Logo
8:10 pm - 1:05 pmORD  Chicago O'Hare Intl-LJU Ljubljana Joze Pucnik
33h 55m1 stop Istanbul
Turkish Airlines Logo
9:45 am - 9:40 amLJU  Ljubljana Joze Pucnik-ORD Chicago O'Hare Intl
30h 55m1 stop Istanbul
$839Turkish Airlines
Thu, Sep 24 - Thu, Oct 1
Turkish Airlines Logo
8:10 pm - 7:30 pmORD  Chicago O'Hare Intl-LJU Ljubljana Joze Pucnik
16h 20m1 stop Istanbul
Turkish Airlines Logo
9:45 am - 9:40 amLJU  Ljubljana Joze Pucnik-ORD Chicago O'Hare Intl
30h 55m1 stop Istanbul
$847Turkish Airlines
Thu, Sep 24 - Thu, Oct 1
Lufthansa Logo
10:30 pm - 9:55 pmORD  Chicago O'Hare Intl-LJU Ljubljana Joze Pucnik
16h 25m1 stop Frankfurt am Main
Lufthansa Logo
6:25 am - 7:55 pmLJU  Ljubljana Joze Pucnik-ORD Chicago O'Hare Intl
20h 30m1 stop Frankfurt am Main
$956Lufthansa
Wed, Sep 9 - Wed, Sep 16
Lufthansa Logo
3:35 pm - 7:25 pmORD  Chicago O'Hare Intl-LJU Ljubljana Joze Pucnik
20h 50m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:40 am - 6:21 pmLJU  Ljubljana Joze Pucnik-ORD Chicago O'Hare Intl
18h 41m2 stops Frankfurt am Main Detroit Metropolitan Wayne County
$998Lufthansa
Sun, Oct 11 - Mon, Dec 7
SWISS Logo
7:05 pm - 10:40 pmORD  Chicago O'Hare Intl-LJU Ljubljana Joze Pucnik
20h 35m1 stop Zurich
SWISS Logo
6:25 am - 12:35 pmLJU  Ljubljana Joze Pucnik-ORD Chicago O'Hare Intl
13h 10m1 stop Zurich
$1,116SWISS
Fri, Sep 11 - Sun, Sep 20
SWISS Logo
3:55 pm - 10:05 amORD  Chicago O'Hare Intl-LJU Ljubljana Joze Pucnik
11h 10m1 stop Zurich
SWISS Logo
6:25 am - 12:55 pmLJU  Ljubljana Joze Pucnik-ORD Chicago O'Hare Intl
13h 30m1 stop Zurich
$4,524SWISS
Sun, Aug 23 - Thu, Sep 3

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Air Serbia flights from Chicago to Slovenia

Our best Air Serbia deals on Chicago to Slovenia flight tickets
Air Serbia
Oct 31
ORD5:30 pmChicago O'Hare Intl
33h 30m
1 stop
LJU9:00 amLjubljana Joze Pucnik
Nov 5
LJU9:30 amLjubljana Joze Pucnik
36h 15m
1 stop
ORD2:45 pmChicago O'Hare Intl
$676
Air Serbia
Oct 10
ORD11:20 pmChicago O'Hare Intl
26h 30m
1 stop
LJU8:50 amLjubljana Joze Pucnik
Oct 17
LJU9:25 amLjubljana Joze Pucnik
18h 50m
1 stop
ORD9:15 pmChicago O'Hare Intl
$785
Air Serbia
Sep 7
ORD4:40 pmChicago O'Hare Intl
20h 25m
1 stop
LJU8:05 pmLjubljana Joze Pucnik
Sep 20
LJU9:25 amLjubljana Joze Pucnik
36h 05m
1 stop
ORD2:30 pmChicago O'Hare Intl
$804

Turkish Airlines flights from Chicago to Slovenia

Our best Turkish Airlines deals on Chicago to Slovenia flight tickets
Turkish Airlines
Sep 24
ORD8:10 pmChicago O'Hare Intl
16h 20m
1 stop
LJU7:30 pmLjubljana Joze Pucnik
Oct 1
LJU9:45 amLjubljana Joze Pucnik
30h 55m
1 stop
ORD9:40 amChicago O'Hare Intl
$831
Turkish Airlines
Sep 24
ORD8:10 pmChicago O'Hare Intl
33h 55m
1 stop
LJU1:05 pmLjubljana Joze Pucnik
Oct 1
LJU9:45 amLjubljana Joze Pucnik
30h 55m
1 stop
ORD9:40 amChicago O'Hare Intl
$839
Turkish Airlines
Sep 24
ORD8:10 pmChicago O'Hare Intl
16h 20m
1 stop
LJU7:30 pmLjubljana Joze Pucnik
Oct 1
LJU9:45 amLjubljana Joze Pucnik
30h 55m
1 stop
ORD9:40 amChicago O'Hare Intl
$847

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 12, 2026.
Use the filters below to find and compare flights from Chicago to Slovenia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoLjubljana

ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik

ORDLJU

Chicago O'Hare Intl

Sat 10/31

5:30 pm-9:00 am

1 stop33h 30m

Ljubljana Joze Pucnik

Thu 11/5

9:30 am-2:45 pm

1 stop36h 15m

$676

ChicagoLjubljana

ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik

ORDLJU

Chicago O'Hare Intl

Sat 10/10

11:20 pm-8:50 am

1 stop26h 30m

Ljubljana Joze Pucnik

Sat 10/17

9:25 am-9:15 pm

1 stop18h 50m

$785

ChicagoLjubljana

ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik

ORDLJU

Chicago O'Hare Intl

Mon 9/7

4:40 pm-8:05 pm

1 stop20h 25m

Ljubljana Joze Pucnik

Sun 9/20

9:25 am-2:30 pm

1 stop36h 05m

$804

ChicagoLjubljana

ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik

ORDLJU

Chicago O'Hare Intl

Thu 9/24

8:10 pm-7:30 pm

1 stop16h 20m

Ljubljana Joze Pucnik

Thu 10/1

9:45 am-9:40 am

1 stop30h 55m

$831

ChicagoLjubljana

ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik

ORDLJU

Chicago O'Hare Intl

Thu 9/24

8:10 pm-1:05 pm

1 stop33h 55m

Ljubljana Joze Pucnik

Thu 10/1

9:45 am-9:40 am

1 stop30h 55m

$839

ChicagoLjubljana

ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik

ORDLJU

Chicago O'Hare Intl

Thu 9/24

8:10 pm-7:30 pm

1 stop16h 20m

Ljubljana Joze Pucnik

Thu 10/1

9:45 am-9:40 am

1 stop30h 55m

$847

ChicagoLjubljana

ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik

ORDLJU

Chicago O'Hare Intl

Wed 9/9

10:30 pm-9:55 pm

1 stop16h 25m

Ljubljana Joze Pucnik

Wed 9/16

6:25 am-7:55 pm

1 stop20h 30m

$956

ChicagoLjubljana

ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik

ORDLJU

Chicago O'Hare Intl

Sun 10/11

3:35 pm-7:25 pm

1 stop20h 50m

Ljubljana Joze Pucnik

Mon 12/7

6:40 am-6:21 pm

2 stops18h 41m

$998

ChicagoLjubljana

ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik

ORDLJU

Chicago O'Hare Intl

Fri 9/11

7:05 pm-10:40 pm

1 stop20h 35m

Ljubljana Joze Pucnik

Sun 9/20

6:25 am-12:35 pm

1 stop13h 10m

$1,116
Quickest round-trip

ChicagoLjubljana

ORD Chicago O'Hare Intl - LJU Ljubljana Joze Pucnik

ORDLJU

Chicago O'Hare Intl

Sun 8/23

3:55 pm-10:05 am

1 stop11h 10m

Ljubljana Joze Pucnik

Thu 9/3

6:25 am-12:55 pm

1 stop13h 30m

$4,524

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 Chicago 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 February is, on average, the cheapest month to fly to Slovenia from Chicago, with most prices found around $629. The month of November is another great option to travel to Slovenia, with average flight prices from Chicago averaging around $697.

Can stopping save me money on Chicago to Slovenia flights?

You could potentially save up to 23% on your flight if you consider stops on a Chicago to Slovenia flight.

Cheap Chicago to Slovenia flight deals and tips

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

Fastest flight time

14h 25m

Direct flights

None
The fastest flight from Chicago to Slovenia takes 14h 25m
There are no direct flights from Chicago to Slovenia. There are no popular flight routes from Chicago to Slovenia.
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Frequently asked questions about flying from Chicago to Slovenia

  • When did momondo last update prices for flights from Chicago to Slovenia?

    Prices for flights from Chicago to Slovenia refresh daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Slovenia.

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

    The travel and health documents required for your trip to Slovenia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Slovenia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Chicago to Slovenia

Compare and see reviews for airlines that fly from Chicago to Slovenia with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $587Free CancellationRating
7.4
4,482 reviews
Search Turkish Airlines flights
SWISSPriceFrom $697Free CancellationRating
7.5
2,035 reviews
Search SWISS flights
LufthansaPriceFrom $849Free CancellationRating
6.8
8,182 reviews
Search Lufthansa flights

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Slovenia from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Slovenia from Chicago.

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

If you are not ready to book a flight from Chicago 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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