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

LOT, Lufthansa, and Air Canada are the most popular carriers operating from Illinois to Serbia

What airlines fly to Serbia?

Air Serbia, Turkish Airlines and SWISS 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 52% 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 February 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.

$190 Cheap Flights from Illinois to Serbia in 2026

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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.

7:15 pm - 10:35 pm

ORD

BEG

20h 20m

1 stop

5:15 pm - 5:45 pm

BEG

ORD

30h 30m

1 stop

$609Multiple Airlines

Sat, Apr 18 - Fri, Oct 30

7:15 pm - 11:50 am

ORD

BEG

33h 35m

1 stop

6:30 am - 4:10 pm

BEG

ORD

16h 40m

1 stop

$610Multiple Airlines

Sun, Aug 23 - Sat, Sep 12

7:20 pm - 10:55 pm

MDW

BEG

20h 35m

2 stops

6:15 am - 6:36 pm

BEG

MDW

19h 21m

2 stops

$713Delta

Tue, Apr 7 - Wed, May 6

6:15 am - 12:30 pm

STL

BEG

23h 15m

2 stops

6:10 am - 8:54 pm

BEG

STL

21h 44m

2 stops

$713Lufthansa

Wed, Apr 22 - Wed, Apr 29

1:10 pm - 11:55 am

MDW

BEG

15h 45m

2 stops

6:15 am - 5:58 pm

BEG

MDW

18h 43m

2 stops

$714Delta

Mon, Mar 30 - Tue, May 5

6:15 am - 12:45 pm

STL

BEG

23h 30m

3 stops

1:40 pm - 3:24 pm

BEG

STL

32h 44m

2 stops

$732United Airlines

Wed, Apr 22 - Wed, Apr 29

7:45 am - 12:45 pm

STL

BEG

22h 00m

2 stops

5:50 am - 10:28 pm

BEG

STL

23h 38m

2 stops

$785United Airlines

Sun, Apr 12 - Sun, Apr 19

6:15 am - 12:30 pm

STL

BEG

23h 15m

2 stops

6:10 am - 1:25 pm

BEG

STL

14h 15m

1 stop

$788Lufthansa

Wed, Apr 22 - Wed, Apr 29

11:25 am - 5:00 pm

ORD

INI

22h 35m

1 stop

1:25 pm - 6:15 pm

INI

ORD

35h 50m

1 stop

$848Turkish Airlines

Fri, Apr 24 - Tue, Apr 28

11:25 am - 5:00 pm

ORD

INI

22h 35m

1 stop

1:25 pm - 9:40 am

INI

ORD

27h 15m

1 stop

$868Turkish Airlines

Fri, Apr 24 - Tue, Apr 28

Delta flights from Illinois to Serbia

Our best Delta deals on Illinois to Serbia flight tickets

Delta

Apr 7

MDW7:20 pmChicago Midway

20h 35m

2 stops

BEG10:55 pmBelgrade Nikola Tesla

May 8

BEG6:15 amBelgrade Nikola Tesla

18h 41m

2 stops

MDW5:56 pmChicago Midway

$713

Delta

Mar 30

MDW1:10 pmChicago Midway

15h 45m

2 stops

BEG11:55 amBelgrade Nikola Tesla

May 5

BEG6:15 amBelgrade Nikola Tesla

18h 43m

2 stops

MDW5:58 pmChicago Midway

$714

Delta

Apr 9

STL6:32 amLambert-St Louis

22h 23m

2 stops

BEG11:55 amBelgrade Nikola Tesla

Apr 16

BEG12:35 pmBelgrade Nikola Tesla

18h 01m

2 stops

STL11:36 pmLambert-St Louis

$763

KLM flights from Illinois to Serbia

Our best KLM deals on Illinois to Serbia flight tickets

KLM

Mar 4

ORD2:25 pmChicago O'Hare Intl

14h 30m

2 stops

BEG11:55 amBelgrade Nikola Tesla

Mar 11

BEG6:05 amBelgrade Nikola Tesla

15h 15m

1 stop

ORD3:20 pmChicago O'Hare Intl

$809

KLM

Mar 8

ORD5:25 pmChicago O'Hare Intl

24h 00m

1 stop

BEG11:25 pmBelgrade Nikola Tesla

May 1

BEG6:15 amBelgrade Nikola Tesla

17h 03m

2 stops

ORD4:18 pmChicago O'Hare Intl

$813

KLM

Mar 3

MDW12:45 pmChicago Midway

16h 10m

2 stops

BEG11:55 amBelgrade Nikola Tesla

Mar 17

BEG6:05 amBelgrade Nikola Tesla

17h 49m

2 stops

MDW5:54 pmChicago Midway

$819

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Sat 4/18

7:15 pm-10:35 pm

1 stop20h 20m

Belgrade Nikola Tesla

Fri 10/30

5:15 pm-5:45 pm

1 stop30h 30m

$609

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Sun 8/23

7:15 pm-11:50 am

1 stop33h 35m

Belgrade Nikola Tesla

Sat 9/12

6:30 am-4:10 pm

1 stop16h 40m

$610

ChicagoBelgrade

MDW - BEG

MDWBEG

Chicago Midway

Tue 4/7

7:20 pm-10:55 pm

2 stops20h 35m

Belgrade Nikola Tesla

Wed 5/6

6:15 am-6:36 pm

2 stops19h 21m

$713

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 4/22

6:15 am-12:30 pm

2 stops23h 15m

Belgrade Nikola Tesla

Wed 4/29

6:10 am-8:54 pm

2 stops21h 44m

$713

ChicagoBelgrade

MDW - BEG

MDWBEG

Chicago Midway

Mon 3/30

1:10 pm-11:55 am

2 stops15h 45m

Belgrade Nikola Tesla

Tue 5/5

6:15 am-5:58 pm

2 stops18h 43m

$714

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 4/22

6:15 am-12:45 pm

3 stops23h 30m

Belgrade Nikola Tesla

Wed 4/29

1:40 pm-3:24 pm

2 stops32h 44m

$732

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 4/12

7:45 am-12:45 pm

2 stops22h 00m

Belgrade Nikola Tesla

Sun 4/19

5:50 am-10:28 pm

2 stops23h 38m

$785

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 4/22

6:15 am-12:30 pm

2 stops23h 15m

Belgrade Nikola Tesla

Wed 4/29

6:10 am-1:25 pm

1 stop14h 15m

$788

ChicagoNiš

ORD - INI

ORDINI

Chicago O'Hare Intl

Fri 4/24

11:25 am-5:00 pm

1 stop22h 35m

Nis

Tue 4/28

1:25 pm-6:15 pm

1 stop35h 50m

$848

ChicagoNiš

ORD - INI

ORDINI

Chicago O'Hare Intl

Fri 4/24

11:25 am-5:00 pm

1 stop22h 35m

Nis

Tue 4/28

1:25 pm-9:40 am

1 stop27h 15m

$868

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 $718, 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 $868. 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 Tuesday, with ticket prices averaging around $941.

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 $871 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 $699 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.

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	$347
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 $347. The best round-trip flight deal from Illinois to Serbia found on momondo in the last 72 hours is $743.

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

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 February 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 Boeing 787 Dreamliner, representing 30.83% of all bookings. The subsequent popular models are Airbus A330-200 at 20.52%, Boeing 787-8 Dreamliner at 20.24%, and Boeing 787-10 Dreamliner at 12.63%.

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 $519	Free Cancellation	Rating 7.3 4,238 reviews	Search Turkish Airlines flights
SWISS	PriceFrom $546	Free Cancellation	Rating 7.5 1,885 reviews	Search SWISS flights
KLM	PriceFrom $547	Free Cancellation	Rating 7.7 1,460 reviews	Search KLM flights
Delta	PriceFrom $548	Free Cancellation	Rating 7.9 8,241 reviews	Search Delta flights
United Airlines	PriceFrom $567	Free Cancellation	Rating 7.4 9,358 reviews	Search United Airlines flights
LOT	PriceFrom $588	Free Cancellation	Rating 7.5 1,182 reviews	Search LOT flights
Austrian Airlines	PriceFrom $589	Free Cancellation	Rating 7.6 901 reviews	Search Austrian Airlines flights
Lufthansa	PriceFrom $663	Free Cancellation	Rating 6.8 7,816 reviews	Search Lufthansa flights
JetBlue	PriceFrom $717	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
Air Serbia	PriceFrom $817	Free Cancellation	Rating 6.1 215 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

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Flights to Nišfrom $685

Cheap flights from Illinois to Serbia from $190

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 4/17. 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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Delta flights from Illinois to Serbia

Our best Delta deals on Illinois to Serbia flight tickets

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Our best KLM deals on Illinois to Serbia flight tickets

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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?

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

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

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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

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According to popular flight searches on momondo this year