What is the cheapest airline that flies from Illinois to Serbia?

Air Serbia, LOT, and Turkish Airlines are the most popular carriers operating from Illinois to Serbia

What airlines fly to Serbia?

Air Serbia, SWISS and Turkish Airlines are the top three most popular airlines that fly to Serbia from Illinois according to our data. Air Serbia is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Serbia. Keep in mind that there are 11 different airlines that fly to Serbia on a routine basis, so you have a few additional options to choose from.

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?

As of April 2026, there are 11 operators available to choose from 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.

$400 Cheap Flights from Illinois to Serbia in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Illinois to Serbia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 12:30 pm

ORD

BEG

23h 30m

2 stops

6:00 am - 4:10 pm

BEG

ORD

17h 10m

2 stops

$755Multiple Airlines

Mon, Aug 17 - Mon, Aug 31

6:00 am - 12:30 pm

ORD

BEG

23h 30m

2 stops

6:30 am - 4:10 pm

BEG

ORD

16h 40m

1 stop

$756Multiple Airlines

Mon, Aug 17 - Mon, Aug 31

11:25 am - 8:25 am

ORD

BEG

14h 00m

1 stop

8:25 pm - 9:40 am

BEG

ORD

20h 15m

1 stop

$758Turkish Airlines

Fri, Aug 21 - Tue, Sep 22

8:10 pm - 7:35 pm

ORD

BEG

16h 25m

1 stop

8:25 pm - 9:40 am

BEG

ORD

20h 15m

1 stop

$763Turkish Airlines

Tue, Aug 25 - Tue, Sep 29

3:00 pm - 10:35 pm

ORD

BEG

24h 35m

1 stop

6:00 pm - 1:10 pm

BEG

ORD

26h 10m

2 stops

$764ITA Airways

Thu, Aug 6 - Fri, Aug 21

8:10 pm - 7:35 pm

ORD

BEG

16h 25m

1 stop

4:00 pm - 9:40 am

BEG

ORD

24h 40m

1 stop

$767Turkish Airlines

Sun, Sep 6 - Tue, Sep 22

1:24 pm - 11:55 am

MDW

BEG

15h 31m

2 stops

6:15 am - 9:09 pm

BEG

MDW

21h 54m

2 stops

$1,016Delta

Wed, May 6 - Wed, May 13

9:27 am - 11:55 am

MDW

BEG

19h 28m

2 stops

6:15 am - 6:36 pm

BEG

MDW

19h 21m

2 stops

$1,044Delta

Thu, Apr 30 - Mon, May 4

3:10 pm - 4:05 pm

STL

BEG

17h 55m

2 stops

6:10 am - 9:22 pm

BEG

STL

22h 12m

2 stops

$1,091United Airlines

Wed, Jul 22 - Wed, Aug 19

1:38 pm - 12:55 pm

STL

BEG

16h 17m

2 stops

6:20 am - 12:40 pm

BEG

STL

37h 20m

2 stops

$1,165United Airlines

Mon, Jul 20 - Tue, Aug 18

Turkish Airlines flights from Illinois to Serbia

Our best Turkish Airlines deals on Illinois to Serbia flight tickets

Turkish Airlines

Aug 21

ORD11:25 amChicago O'Hare Intl

14h 00m

1 stop

BEG8:25 amBelgrade Nikola Tesla

Sep 22

BEG8:25 pmBelgrade Nikola Tesla

20h 15m

1 stop

ORD9:40 amChicago O'Hare Intl

$758

Turkish Airlines

Aug 25

ORD8:10 pmChicago O'Hare Intl

16h 25m

1 stop

BEG7:35 pmBelgrade Nikola Tesla

Sep 29

BEG8:25 pmBelgrade Nikola Tesla

20h 15m

1 stop

ORD9:40 amChicago O'Hare Intl

$763

Turkish Airlines

Sep 6

ORD8:10 pmChicago O'Hare Intl

16h 25m

1 stop

BEG7:35 pmBelgrade Nikola Tesla

Sep 22

BEG4:00 pmBelgrade Nikola Tesla

24h 40m

1 stop

ORD9:40 amChicago O'Hare Intl

$767

KLM flights from Illinois to Serbia

Our best KLM deals on Illinois to Serbia flight tickets

KLM

Sep 8

MDW1:00 pmChicago Midway

15h 55m

2 stops

BEG11:55 amBelgrade Nikola Tesla

Sep 22

BEG6:15 amBelgrade Nikola Tesla

17h 12m

2 stops

MDW4:27 pmChicago Midway

$1,194

KLM

Apr 17

MDW1:24 pmChicago Midway

15h 31m

2 stops

BEG11:55 amBelgrade Nikola Tesla

Apr 28

BEG6:15 amBelgrade Nikola Tesla

17h 11m

2 stops

MDW4:26 pmChicago Midway

$1,302

KLM

Sep 15

MDW1:00 pmChicago Midway

15h 55m

2 stops

BEG11:55 amBelgrade Nikola Tesla

Oct 1

BEG6:15 amBelgrade Nikola Tesla

17h 12m

2 stops

MDW4:27 pmChicago Midway

$1,332

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Mon 8/17

6:00 am-12:30 pm

2 stops23h 30m

Belgrade Nikola Tesla

Mon 8/31

6:00 am-4:10 pm

2 stops17h 10m

$755

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Mon 8/17

6:00 am-12:30 pm

2 stops23h 30m

Belgrade Nikola Tesla

Mon 8/31

6:30 am-4:10 pm

1 stop16h 40m

$756

Quickest round-trip

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Fri 8/21

11:25 am-8:25 am

1 stop14h 00m

Belgrade Nikola Tesla

Tue 9/22

8:25 pm-9:40 am

1 stop20h 15m

$758

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Tue 8/25

8:10 pm-7:35 pm

1 stop16h 25m

Belgrade Nikola Tesla

Tue 9/29

8:25 pm-9:40 am

1 stop20h 15m

$763

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Thu 8/6

3:00 pm-10:35 pm

1 stop24h 35m

Belgrade Nikola Tesla

Fri 8/21

6:00 pm-1:10 pm

2 stops26h 10m

$764

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Sun 9/6

8:10 pm-7:35 pm

1 stop16h 25m

Belgrade Nikola Tesla

Tue 9/22

4:00 pm-9:40 am

1 stop24h 40m

$767

ChicagoBelgrade

MDW - BEG

MDWBEG

Chicago Midway

Wed 5/6

1:24 pm-11:55 am

2 stops15h 31m

Belgrade Nikola Tesla

Wed 5/13

6:15 am-9:09 pm

2 stops21h 54m

$1,016

ChicagoBelgrade

MDW - BEG

MDWBEG

Chicago Midway

Thu 4/30

9:27 am-11:55 am

2 stops19h 28m

Belgrade Nikola Tesla

Mon 5/4

6:15 am-6:36 pm

2 stops19h 21m

$1,044

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 7/22

3:10 pm-4:05 pm

2 stops17h 55m

Belgrade Nikola Tesla

Wed 8/19

6:10 am-9:22 pm

2 stops22h 12m

$1,091

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Mon 7/20

1:38 pm-12:55 pm

2 stops16h 17m

Belgrade Nikola Tesla

Tue 8/18

6:20 am-12:40 pm

2 stops37h 20m

$1,165

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Serbia?

The cheapest month to fly to Serbia from Illinois is in August. Flight prices, which tend to average around $719, are often lower during this time because this is during the off-season. If you are unable to visit Serbia during the month of August, then departing from Illinois during the month January is also very affordable. Most momondo users find prices during this month for around $725.

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

According to our data, Thursday is the cheapest day to fly to Serbia from Illinois. The lowest ticket price found for a Thursday departure recently was $871. 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 $931.

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 $903 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 $725 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 2% 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	$385
Fastest flight time	9h 40m
Direct flights	Tue, Thu and Sun
Airports in Serbia	5 airports

The best one-way flight to Serbia from Illinois in the past 72 hours is $385. The best round-trip flight deal from Illinois to Serbia found on momondo in the last 72 hours is $857.

The fastest flight from Illinois to Serbia takes 9h 40m

Direct flights go from Illinois to Serbia on Tuesday, 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

Frequently asked questions about flying from Illinois to Serbia

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?
As of April 2026, there are 11 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Serbia is Airbus A330-200, representing 39.64% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 22.64%, Boeing 787-8 Dreamliner at 13.55%, and Boeing 787-10 Dreamliner at 9.73%.

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 Airlines	PriceFrom $520	Free Cancellation	Rating 7.3 4,306 reviews	Search Turkish Airlines flights
SWISS	PriceFrom $546	Free Cancellation	Rating 7.6 1,922 reviews	Search SWISS flights
KLM	PriceFrom $547	Free Cancellation	Rating 7.8 1,499 reviews	Search KLM flights
Delta	PriceFrom $548	Free Cancellation	Rating 7.9 8,407 reviews	Search Delta flights
United Airlines	PriceFrom $567	Free Cancellation	Rating 7.4 9,592 reviews	Search United Airlines flights
LOT	PriceFrom $588	Free Cancellation	Rating 7.5 1,188 reviews	Search LOT flights
Austrian Airlines	PriceFrom $589	Free Cancellation	Rating 7.6 903 reviews	Search Austrian Airlines flights
JetBlue	PriceFrom $717	Free Cancellation	Rating 7.2 2,936 reviews	Search JetBlue flights
Lufthansa	PriceFrom $746	Free Cancellation	Rating 6.8 7,926 reviews	Search Lufthansa flights
Air Serbia	PriceFrom $808	Free Cancellation	Rating 6.1 218 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.

An easier way to manage your Serbia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 5/16

Sat 5/23

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Serbia

Popular cities

Other flights from Illinois

Other flights to Serbia

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Serbia

Flights to Belgrade

Flights to Nišfrom $690

Cheap flights from Illinois to Serbia from $400

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 4/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Illinois to Serbia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Turkish Airlines flights from Illinois to Serbia

Our best Turkish Airlines deals on Illinois to Serbia flight tickets

KLM flights from Illinois to Serbia

Our best KLM deals on Illinois to Serbia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to Serbia that are best for you.

See travel insights to Serbia from

How to get the cheapest flight ticket from Illinois to Serbia

What is the cheapest month to fly to Serbia?

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

What is the cheapest Illinois to Serbia flight route?

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

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

Can stopping save me money on Illinois to Serbia flights?

What is the cheapest airline that flies from Illinois to Serbia?

What airlines fly 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

Fastest flight time

Direct flights

Airports in Serbia

Frequently asked questions about flying 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

Why use momondo?

An easier way to manage your Serbia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Serbia

Popular cities in Serbia

Popular flights according to clicks in the last 7 days on momondo

Illinois flight routes

According to popular flight searches on momondo this year

Serbia flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Serbia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Serbia

List of cabin classes available on flights landing in Serbia. Availability may vary depending on flight origin and airline.

Complete your trip to Serbia

Explore popular destinations other users love

According to popular flight searches on momondo this year