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Cheap flights from Illinois to Serbia from $255

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 2/6. 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 Serbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:55 am - 12:50 pm
STL
-
BEG
19h 55m
2 stops
United Airlines Logo
6:15 am - 1:55 pm
BEG
-
STL
14h 40m
1 stop
$559United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
11:25 am - 12:50 pm
STL
-
BEG
18h 25m
2 stops
United Airlines Logo
6:15 am - 9:05 pm
BEG
-
STL
21h 50m
2 stops
$569United Airlines
Wed, Feb 25 - Sun, Mar 1
LOT Logo
9:55 pm - 4:35 pm
ORD
-
BEG
11h 40m
1 stop
LOT Logo
5:10 pm - 8:00 pm
BEG
-
ORD
33h 50m
1 stop
$576LOT
Mon, Feb 2 - Thu, Feb 12
LOT Logo
9:55 pm - 4:35 pm
ORD
-
BEG
11h 40m
1 stop
LOT Logo
5:15 pm - 7:50 pm
BEG
-
ORD
33h 35m
1 stop
$579LOT
Mon, Feb 9 - Mon, Mar 30
Turkish Airlines Logo
11:50 am - 8:10 am
ORD
-
BEG
13h 20m
1 stop
Turkish Airlines Logo
8:15 pm - 10:05 am
BEG
-
ORD
20h 50m
1 stop
$581Turkish Airlines
Thu, Feb 12 - Fri, Feb 20
Turkish Airlines Logo
11:50 am - 8:10 am
ORD
-
BEG
13h 20m
1 stop
Turkish Airlines Logo
9:00 am - 6:25 pm
BEG
-
ORD
16h 25m
1 stop
$583Turkish Airlines
Thu, Feb 12 - Thu, Feb 26
Delta Logo
1:10 pm - 11:55 am
MDW
-
BEG
16h 45m
2 stops
Delta Logo
6:00 am - 5:54 pm
BEG
-
MDW
18h 54m
2 stops
$667Delta
Tue, Mar 17 - Wed, Apr 15
Delta Logo
1:26 pm - 11:55 am
MDW
-
BEG
15h 29m
2 stops
Delta Logo
6:05 am - 6:40 pm
BEG
-
MDW
18h 35m
2 stops
$668Delta
Mon, Jan 26 - Tue, Mar 17
KLM Logo
1:26 pm - 11:55 am
MDW
-
BEG
15h 29m
2 stops
KLM Logo
6:05 am - 4:16 pm
BEG
-
MDW
17h 11m
2 stops
$768KLM
Sat, Jan 24 - Sat, Feb 7
KLM Logo
1:26 pm - 11:55 am
MDW
-
BEG
15h 29m
2 stops
KLM Logo
6:05 am - 4:16 pm
BEG
-
MDW
17h 11m
2 stops
$804KLM
Sun, Jan 25 - Sun, Feb 8

LOT flights from Illinois to Serbia

Our best LOT deals on Illinois to Serbia flight tickets
LOT
Apr 15
ORD9:50 pmChicago O'Hare Intl
11h 45m
1 stop
BEG4:35 pmBelgrade Nikola Tesla
Apr 27
BEG5:15 pmBelgrade Nikola Tesla
28h 55m
1 stop
ORD3:10 pmChicago O'Hare Intl
$576
LOT
Feb 9
ORD9:55 pmChicago O'Hare Intl
11h 40m
1 stop
BEG4:35 pmBelgrade Nikola Tesla
Mar 30
BEG5:15 pmBelgrade Nikola Tesla
33h 35m
1 stop
ORD7:50 pmChicago O'Hare Intl
$579
LOT
Mar 26
ORD10:55 pmChicago O'Hare Intl
11h 40m
1 stop
BEG4:35 pmBelgrade Nikola Tesla
Apr 17
BEG2:00 pmBelgrade Nikola Tesla
32h 10m
1 stop
ORD3:10 pmChicago O'Hare Intl
$582

Turkish Airlines flights from Illinois to Serbia

Our best Turkish Airlines deals on Illinois to Serbia flight tickets
Turkish Airlines
Feb 12
ORD11:50 amChicago O'Hare Intl
13h 20m
1 stop
BEG8:10 amBelgrade Nikola Tesla
Feb 20
BEG8:15 pmBelgrade Nikola Tesla
20h 50m
1 stop
ORD10:05 amChicago O'Hare Intl
$581
Turkish Airlines
Feb 12
ORD11:50 amChicago O'Hare Intl
13h 20m
1 stop
BEG8:10 amBelgrade Nikola Tesla
Feb 26
BEG9:00 amBelgrade Nikola Tesla
16h 25m
1 stop
ORD6:25 pmChicago O'Hare Intl
$583
Turkish Airlines
Feb 3
ORD8:20 pmChicago O'Hare Intl
16h 05m
1 stop
BEG7:25 pmBelgrade Nikola Tesla
Mar 18
BEG8:15 pmBelgrade Nikola Tesla
20h 50m
1 stop
ORD11:05 amChicago O'Hare Intl
$584

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 January 12, 2026.
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

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 2/25

9:55 am-12:50 pm

2 stops19h 55m

Belgrade Nikola Tesla

Sun 3/1

6:15 am-1:55 pm

1 stop14h 40m

$559

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 2/25

11:25 am-12:50 pm

2 stops18h 25m

Belgrade Nikola Tesla

Sun 3/1

6:15 am-9:05 pm

2 stops21h 50m

$569

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Mon 2/2

9:55 pm-4:35 pm

1 stop11h 40m

Belgrade Nikola Tesla

Thu 2/12

5:10 pm-8:00 pm

1 stop33h 50m

$576

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Mon 2/9

9:55 pm-4:35 pm

1 stop11h 40m

Belgrade Nikola Tesla

Mon 3/30

5:15 pm-7:50 pm

1 stop33h 35m

$579

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Thu 2/12

11:50 am-8:10 am

1 stop13h 20m

Belgrade Nikola Tesla

Fri 2/20

8:15 pm-10:05 am

1 stop20h 50m

$581

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Thu 2/12

11:50 am-8:10 am

1 stop13h 20m

Belgrade Nikola Tesla

Thu 2/26

9:00 am-6:25 pm

1 stop16h 25m

$583

ChicagoBelgrade

MDW - BEG

MDWBEG

Chicago Midway

Tue 3/17

1:10 pm-11:55 am

2 stops16h 45m

Belgrade Nikola Tesla

Wed 4/15

6:00 am-5:54 pm

2 stops18h 54m

$667

ChicagoBelgrade

MDW - BEG

MDWBEG

Chicago Midway

Mon 1/26

1:26 pm-11:55 am

2 stops15h 29m

Belgrade Nikola Tesla

Tue 3/17

6:05 am-6:40 pm

2 stops18h 35m

$668

ChicagoBelgrade

MDW - BEG

MDWBEG

Chicago Midway

Sat 1/24

1:26 pm-11:55 am

2 stops15h 29m

Belgrade Nikola Tesla

Sat 2/7

6:05 am-4:16 pm

2 stops17h 11m

$768

ChicagoBelgrade

MDW - BEG

MDWBEG

Chicago Midway

Sun 1/25

1:26 pm-11:55 am

2 stops15h 29m

Belgrade Nikola Tesla

Sun 2/8

6:05 am-4:16 pm

2 stops17h 11m

$804

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 $663.

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 $894. 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 Monday, with ticket prices averaging around $1,004.

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 $856 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 $741 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?

No. A direct flight is the cheapest option for a flight between Illinois to Serbia.

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

$425

Fastest flight time

9h 40m

Direct flights

Thu and Sun

Airports in Serbia

5 airports
The best one-way flight to Serbia from Illinois in the past 72 hours is $425. The best round-trip flight deal from Illinois to Serbia found on momondo in the last 72 hours is $761.
The fastest flight from Illinois to Serbia takes 9h 40m
Direct flights go from Illinois to Serbia on Thursday and Sunday. There are no airlines offering direct flights.
There are 5 airports in Serbia. From Illinois there are direct flights to 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
Turkish AirlinesPriceFrom $513Free CancellationRating
7.3
4,154 reviews
Search Turkish Airlines flights
SWISSPriceFrom $545Free CancellationRating
7.5
1,846 reviews
Search SWISS flights
KLMPriceFrom $547Free CancellationRating
7.7
1,436 reviews
Search KLM flights
DeltaPriceFrom $548Free CancellationRating
7.9
8,034 reviews
Search Delta flights
United AirlinesPriceFrom $567Free CancellationRating
7.4
9,144 reviews
Search United Airlines flights
LOTPriceFrom $579Free CancellationRating
7.5
1,168 reviews
Search LOT flights
Austrian AirlinesPriceFrom $589Free CancellationRating
7.6
890 reviews
Search Austrian Airlines flights
LufthansaPriceFrom $663Free CancellationRating
6.8
7,709 reviews
Search Lufthansa flights
JetBluePriceFrom $717Free CancellationRating
7.2
2,883 reviews
Search JetBlue flights
Air SerbiaPriceFrom $822Free CancellationRating
6.2
212 reviews
Search Air Serbia 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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