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Cheap flights from Illinois to Serbia from $273

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 Serbia departing on 9/22. 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 Serbia

Cheap round-trip flights

Turkish Airlines Logo
11:45 pm - 8:30 amORD-BEG
25h 45m1 stop
Turkish Airlines Logo
4:00 pm - 9:40 amBEG-ORD
24h 40m1 stop
$556Turkish Airlines
Find Deal
Mon, Sep 1 - Tue, Oct 7
Turkish Airlines Logo
11:45 pm - 8:30 amORD-BEG
25h 45m1 stop
Turkish Airlines Logo
8:25 pm - 10:00 pmBEG-ORD
32h 35m1 stop
$567Turkish Airlines
Find Deal
Sat, Oct 4 - Sun, Oct 12
Logo
7:15 pm - 10:45 pmORD-BEG
20h 30m1 stop
Logo
6:30 am - 4:10 pmBEG-ORD
16h 40m1 stop
$603
Find Deal
Sat, Oct 4 - Sat, Oct 25
LOT Logo
9:55 pm - 1:15 pmORD-BEG
32h 20m1 stop
LOT Logo
1:55 pm - 8:00 pmBEG-ORD
13h 05m1 stop
$605LOT
Find Deal
Wed, Nov 12 - Sun, Nov 16
LOT Logo
9:55 pm - 1:15 pmORD-BEG
32h 20m1 stop
LOT Logo
5:15 pm - 8:00 pmBEG-ORD
33h 45m1 stop
$606LOT
Find Deal
Wed, Nov 5 - Sat, Nov 22
Logo
7:15 pm - 11:50 amORD-BEG
33h 35m1 stop
Logo
5:15 pm - 4:45 pmBEG-ORD
30h 30m1 stop
$629
Find Deal
Thu, Sep 25 - Wed, Nov 12
Lufthansa Logo
3:30 pm - 3:55 pmSTL-BEG
17h 25m1 stop
Lufthansa Logo
6:10 am - 11:57 pmBEG-STL
24h 47m2 stops
$684Lufthansa
Find Deal
Fri, Sep 12 - Fri, Sep 26
United Airlines Logo
6:30 am - 12:50 pmSTL-BEG
23h 20m2 stops
United Airlines Logo
6:15 am - 1:55 pmBEG-STL
14h 40m1 stop
$685United Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
United Airlines Logo
10:00 am - 12:50 pmSTL-BEG
19h 50m2 stops
United Airlines Logo
6:15 am - 9:40 pmBEG-STL
22h 25m2 stops
$695United Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
Lufthansa Logo
3:50 pm - 12:50 pmSTL-BEG
14h 00m1 stop
Lufthansa Logo
6:15 am - 1:55 pmBEG-STL
14h 40m1 stop
$719Lufthansa
Find Deal
Wed, Dec 3 - Sun, Dec 7

Turkish Airlines flights from Illinois to Serbia

Our best Turkish Airlines deals on Illinois to Serbia flight tickets
Turkish Airlines
Sep 1
ORD11:45 pmChicago O'Hare Intl
25h 45m
1 stop
BEG8:30 amBelgrade Nikola Tesla
Oct 7
BEG4:00 pmBelgrade Nikola Tesla
24h 40m
1 stop
ORD9:40 amChicago O'Hare Intl
$556
Find similar
Turkish Airlines
Oct 4
ORD11:45 pmChicago O'Hare Intl
25h 45m
1 stop
BEG8:30 amBelgrade Nikola Tesla
Oct 12
BEG8:25 pmBelgrade Nikola Tesla
32h 35m
1 stop
ORD10:00 pmChicago O'Hare Intl
$567
Find similar
Turkish Airlines
Oct 5
ORD11:25 amChicago O'Hare Intl
20h 45m
1 stop
BEG3:10 pmBelgrade Nikola Tesla
Oct 16
BEG8:25 pmBelgrade Nikola Tesla
20h 15m
1 stop
ORD9:40 amChicago O'Hare Intl
$575
Find similar

Lufthansa flights from Illinois to Serbia

Our best Lufthansa deals on Illinois to Serbia flight tickets
Lufthansa
Sep 12
STL3:30 pmLambert-St Louis
17h 25m
1 stop
BEG3:55 pmBelgrade Nikola Tesla
Sep 26
BEG6:10 amBelgrade Nikola Tesla
24h 47m
2 stops
STL11:57 pmLambert-St Louis
$684
Find similar
Lufthansa
Dec 3
STL3:50 pmLambert-St Louis
14h 00m
1 stop
BEG12:50 pmBelgrade Nikola Tesla
Dec 7
BEG6:15 amBelgrade Nikola Tesla
14h 40m
1 stop
STL1:55 pmLambert-St Louis
$719
Find similar
Lufthansa
Dec 3
STL3:50 pmLambert-St Louis
14h 00m
1 stop
BEG12:50 pmBelgrade Nikola Tesla
Dec 7
BEG1:25 pmBelgrade Nikola Tesla
17h 17m
2 stops
STL11:42 pmLambert-St Louis
$726
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Serbia 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 11, 2025.
Use the filters below to find and compare flights from Illinois to Serbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Mon 9/1

11:45 pm-8:30 am

1 stop25h 45m

Belgrade Nikola Tesla

Tue 10/7

4:00 pm-9:40 am

1 stop24h 40m

$556

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Sat 10/4

11:45 pm-8:30 am

1 stop25h 45m

Belgrade Nikola Tesla

Sun 10/12

8:25 pm-10:00 pm

1 stop32h 35m

$567

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Sat 10/4

7:15 pm-10:45 pm

1 stop20h 30m

Belgrade Nikola Tesla

Sat 10/25

6:30 am-4:10 pm

1 stop16h 40m

$603

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Wed 11/12

9:55 pm-1:15 pm

1 stop32h 20m

Belgrade Nikola Tesla

Sun 11/16

1:55 pm-8:00 pm

1 stop13h 05m

$605

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Wed 11/5

9:55 pm-1:15 pm

1 stop32h 20m

Belgrade Nikola Tesla

Sat 11/22

5:15 pm-8:00 pm

1 stop33h 45m

$606

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Thu 9/25

7:15 pm-11:50 am

1 stop33h 35m

Belgrade Nikola Tesla

Wed 11/12

5:15 pm-4:45 pm

1 stop30h 30m

$629

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Fri 9/12

3:30 pm-3:55 pm

1 stop17h 25m

Belgrade Nikola Tesla

Fri 9/26

6:10 am-11:57 pm

2 stops24h 47m

$684

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 12/3

6:30 am-12:50 pm

2 stops23h 20m

Belgrade Nikola Tesla

Sun 12/7

6:15 am-1:55 pm

1 stop14h 40m

$685

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 12/3

10:00 am-12:50 pm

2 stops19h 50m

Belgrade Nikola Tesla

Sun 12/7

6:15 am-9:40 pm

2 stops22h 25m

$695

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 12/3

3:50 pm-12:50 pm

1 stop14h 00m

Belgrade Nikola Tesla

Sun 12/7

6:15 am-1:55 pm

1 stop14h 40m

$719

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 Serbia from

How to get the cheapest flight ticket from Illinois to Serbia

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 Serbia?

The cheapest month to fly to Serbia from Illinois is in February. Flight prices, which tend to average around $592, are often lower during this time because this is during the off-season. If you are unable to visit Serbia during the month of February, then departing from Illinois during the month January is also very affordable. Most momondo users find prices during this month for around $596.

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

According to our data, Friday is the cheapest day to fly to Serbia from Illinois. The lowest ticket price found for a Friday departure recently was $890. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Serbia is Sunday, with ticket prices averaging around $1,062.

What is the cheapest Illinois to Serbia flight route?

Fly from Chicago O'Hare Intl to Belgrade Nikola Tesla for the best Illinois - Serbia flight prices

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

You are more likely to see cheaper flights to Serbia from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Serbia for around $839 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Serbia from Illinois for as low as $794 on momondo.

What cabin class options are available on Illinois to Serbia flights?

There are 3 cabin classes available to choose from on Illinois to Serbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Serbia flights?

You could potentially save up to 1% on your flight if you consider stops on a Illinois to Serbia flight.

Cheap Illinois to Serbia flight deals and tips

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

Best Price Found

$273

Fastest flight time

9h 30m

Direct flights

Tue, Thu and Sun

Airports in Serbia

1 airport
The best one-way flight to Serbia from Illinois in the past 72 hours is $273. The best round-trip flight deal from Illinois to Serbia found on momondo in the last 72 hours is $556.
The fastest flight from Illinois to Serbia takes 9h 30m
Direct flights go from Illinois to Serbia on Tuesday, Thursday and Sunday. Airlines offering direct flights are: JetBlue and Air Serbia.
There is 1 airport near Serbia: Belgrade Nikola Tesla (BEG)
Search flight deals

  • When did momondo last update prices for flights from Illinois to Serbia?

    Prices for flights from Illinois to Serbia are updated daily.

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

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

    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 Serbia.

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

    The travel and health documents required for your trip to Serbia 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 Serbia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Illinois to Serbia?

Best airlines flying from Illinois to Serbia

Compare and see reviews for airlines that fly from Illinois to Serbia with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom $500Free CancellationRating
7.6
1,696 reviews
Search SWISS flights
Turkish AirlinesPriceFrom $515Free CancellationRating
7.3
3,941 reviews
Search Turkish Airlines flights
JetBluePriceFrom $542Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights
Austrian AirlinesPriceFrom $564Free CancellationRating
7.6
825 reviews
Search Austrian Airlines flights
LOTPriceFrom $579Free CancellationRating
7.6
1,107 reviews
Search LOT flights
LufthansaPriceFrom $585Free CancellationRating
6.8
7,302 reviews
Search Lufthansa flights
KLMPriceFrom $588Free CancellationRating
7.8
1,381 reviews
Search KLM flights
United AirlinesPriceFrom $592Free CancellationRating
7.4
8,920 reviews
Search United Airlines flights
Air SerbiaPriceFrom $811Free CancellationRating
6.3
198 reviews
Search Air Serbia flights
ITA AirwaysPriceFrom $991Free CancellationRating
6.7
1,015 reviews
Search ITA Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Serbia for you.

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

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

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

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 Serbia from Illinois.

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

If you are simply researching potential flights to Serbia, momondo offers a useful price alert feature which will track prices for flights to Serbia from Illinois and alert you when they change.

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