What is the cheapest airline that flies from Illinois to Belgrade Nikola Tesla?

Delta and KLM are the most popular carriers operating from Illinois to Belgrade Nikola Tesla

What airlines fly to Belgrade?

Air Serbia, SWISS and Lufthansa are the top three most popular airlines that fly to Belgrade from Illinois according to our data. Air Serbia is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Belgrade. Keep in mind that there are 11 different airlines that fly to Belgrade on a routine basis, so you have a few additional options to choose from.

How many flights depart from Illinois to Belgrade on average per week?

As of June 2026, 4 flights take off from Illinois and land in Belgrade each week. The most common flight departure day for this route is Mon, with 50% of weekly flights taking off on this day.

When did momondo last update prices for flights from Illinois to Belgrade Nikola Tesla Airport?

Prices for flights from Illinois to Belgrade Nikola Tesla Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Illinois to Belgrade Nikola Tesla Airport?

As of June 2026, there are 11 operators available to choose from for flights from Illinois to Belgrade Nikola Tesla Airport.

How old do you have to be to fly from Illinois to Belgrade Nikola Tesla Airport?

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 Illinois to Belgrade Nikola Tesla Airport.

What documentation or ID do you need to fly to Belgrade Nikola Tesla Airport?

The travel and health documents you'll need for your trip to Belgrade Nikola Tesla Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belgrade Nikola Tesla Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$417 Cheap Flights from Illinois to Belgrade in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Belgrade

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:28 pm - 4:30 pm

STL

BEG

21h 02m

2 stops

1:05 pm - 6:41 pm

BEG

STL

36h 36m

2 stops

$839Multiple Airlines

Wed, Sep 9 - Wed, Sep 30

12:59 pm - 12:30 pm

STL

BEG

16h 31m

2 stops

6:15 am - 3:43 pm

BEG

STL

16h 28m

2 stops

$840Lufthansa

Wed, Sep 9 - Wed, Sep 30

12:10 pm - 12:20 pm

STL

BEG

17h 10m

2 stops

1:10 pm - 6:41 pm

BEG

STL

36h 31m

2 stops

$844Air Canada

Sun, Aug 16 - Tue, Sep 8

8:55 am - 4:30 pm

STL

BEG

24h 35m

2 stops

6:15 am - 6:41 pm

BEG

STL

43h 26m

2 stops

$849Air Canada

Wed, Sep 9 - Wed, Sep 30

11:13 am - 11:55 am

STL

BEG

17h 42m

2 stops

6:15 am - 11:16 pm

BEG

STL

24h 01m

2 stops

$852Delta

Wed, Aug 19 - Fri, Sep 11

12:10 pm - 12:20 pm

STL

BEG

17h 10m

2 stops

6:20 am - 1:25 pm

BEG

STL

14h 05m

1 stop

$853Multiple Airlines

Tue, Aug 18 - Tue, Sep 8

5:34 pm - 11:55 am

STL

BEG

35h 21m

2 stops

6:15 am - 3:12 pm

BEG

STL

15h 57m

2 stops

$857Delta

Sat, Aug 22 - Wed, Sep 9

3:30 pm - 12:45 pm

STL

BEG

14h 15m

1 stop

6:10 am - 1:25 pm

BEG

STL

14h 15m

1 stop

$860United Airlines

Sun, Aug 16 - Wed, Sep 9

12:56 pm - 12:45 pm

ORD

BEG

16h 49m

2 stops

6:10 am - 6:30 pm

BEG

ORD

19h 20m

2 stops

$875United Airlines

Wed, Jul 15 - Wed, Aug 26

9:50 pm - 4:35 pm

ORD

BEG

11h 45m

1 stop

2:00 pm - 7:50 pm

BEG

ORD

12h 50m

1 stop

$882LOT

Sun, Aug 9 - Wed, Aug 26

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Air Canada flights from Illinois to Belgrade

Our best Air Canada deals on Illinois to Belgrade flight tickets

Air Canada

Aug 16

STL12:10 pmLambert-St Louis

17h 10m

2 stops

BEG12:20 pmBelgrade Nikola Tesla

Sep 8

BEG1:10 pmBelgrade Nikola Tesla

36h 31m

2 stops

STL6:41 pmLambert-St Louis

$844

Air Canada

Sep 9

STL8:55 amLambert-St Louis

24h 35m

2 stops

BEG4:30 pmBelgrade Nikola Tesla

Sep 30

BEG6:15 amBelgrade Nikola Tesla

43h 26m

2 stops

STL6:41 pmLambert-St Louis

$849

Air Canada

Aug 17

ORD3:40 pmChicago O'Hare Intl

13h 50m

2 stops

BEG12:30 pmBelgrade Nikola Tesla

Aug 31

BEG2:10 pmBelgrade Nikola Tesla

31h 45m

2 stops

ORD2:55 pmChicago O'Hare Intl

$877

Delta flights from Illinois to Belgrade

Our best Delta deals on Illinois to Belgrade flight tickets

Delta

Aug 19

STL11:13 amLambert-St Louis

17h 42m

2 stops

BEG11:55 amBelgrade Nikola Tesla

Sep 11

BEG6:15 amBelgrade Nikola Tesla

24h 01m

2 stops

STL11:16 pmLambert-St Louis

$852

Delta

Aug 22

STL5:34 pmLambert-St Louis

35h 21m

2 stops

BEG11:55 amBelgrade Nikola Tesla

Sep 8

BEG12:35 pmBelgrade Nikola Tesla

33h 37m

2 stops

STL3:12 pmLambert-St Louis

$857

Delta

Aug 22

ORD4:20 pmChicago O'Hare Intl

12h 35m

1 stop

BEG11:55 amBelgrade Nikola Tesla

Sep 7

BEG12:35 pmBelgrade Nikola Tesla

32h 40m

1 stop

ORD2:15 pmChicago O'Hare Intl

$888

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 9/9

12:28 pm-4:30 pm

2 stops21h 02m

Belgrade Nikola Tesla

Wed 9/30

1:05 pm-6:41 pm

2 stops36h 36m

$839

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 9/9

12:59 pm-12:30 pm

2 stops16h 31m

Belgrade Nikola Tesla

Wed 9/30

6:15 am-3:43 pm

2 stops16h 28m

$840

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 8/16

12:10 pm-12:20 pm

2 stops17h 10m

Belgrade Nikola Tesla

Tue 9/8

1:10 pm-6:41 pm

2 stops36h 31m

$844

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 9/9

8:55 am-4:30 pm

2 stops24h 35m

Belgrade Nikola Tesla

Wed 9/30

6:15 am-6:41 pm

2 stops43h 26m

$849

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 8/19

11:13 am-11:55 am

2 stops17h 42m

Belgrade Nikola Tesla

Fri 9/11

6:15 am-11:16 pm

2 stops24h 01m

$852

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 8/18

12:10 pm-12:20 pm

2 stops17h 10m

Belgrade Nikola Tesla

Tue 9/8

6:20 am-1:25 pm

1 stop14h 05m

$853

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sat 8/22

5:34 pm-11:55 am

2 stops35h 21m

Belgrade Nikola Tesla

Wed 9/9

6:15 am-3:12 pm

2 stops15h 57m

$857

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 8/16

3:30 pm-12:45 pm

1 stop14h 15m

Belgrade Nikola Tesla

Wed 9/9

6:10 am-1:25 pm

1 stop14h 15m

$860

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Wed 7/15

12:56 pm-12:45 pm

2 stops16h 49m

Belgrade Nikola Tesla

Wed 8/26

6:10 am-6:30 pm

2 stops19h 20m

$875

Quickest round-trip

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Sun 8/9

9:50 pm-4:35 pm

1 stop11h 45m

Belgrade Nikola Tesla

Wed 8/26

2:00 pm-7:50 pm

1 stop12h 50m

$882

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 Belgrade

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

Other information

What is the cheapest month to fly to Belgrade?

The month of December is, on average, the cheapest month to fly to Belgrade from Illinois, with most prices found around $440. If you are unable to visit Belgrade during the month of December, then departing from Illinois during the month January is also very affordable. Most momondo users find prices during this month for around $484.

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

On average, the least expensive day to fly to Belgrade from Illinois is on a Thursday. momondo users have found tickets for Thursday departures for as low as $871. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $962. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgrade.

What is the cheapest Illinois to Belgrade Nikola Tesla flight route?

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

How far in advance should I book a flight from Illinois to Belgrade?

You are more likely to see cheaper flights to Belgrade from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgrade for around $905 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgrade from Illinois for as low as $804 on momondo.

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

There are 2 cabin classes available to choose from on Illinois to Belgrade 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 Belgrade flights?

You could potentially save up to 10% on your flight if you consider stops on a Illinois to Belgrade flight.

Cheap Illinois to Belgrade flight deals and tips

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

Best Price Found	$643
Fastest flight time	9h 40m
Direct flights	Tue, Thu and Sun
Airports in Belgrade	1 airport

The best one-way flight to Belgrade from Illinois in the past 72 hours is $643. The best round-trip flight deal from Illinois to Belgrade found on momondo in the last 72 hours is $1,042.

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

Direct flights go from Illinois to Belgrade on Tuesday, Thursday and Sunday. There are no airlines offering direct flights.

There is 1 airport in Belgrade. From Illinois there are direct flights to Belgrade Nikola Tesla (BEG).

Search flight deals

Frequently asked questions about flying from Illinois to Belgrade

When did momondo last update prices for flights from Illinois to Belgrade Nikola Tesla Airport?
Prices for flights from Illinois to Belgrade Nikola Tesla Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Belgrade Nikola Tesla Airport?
As of June 2026, there are 11 operators available to choose from for flights from Illinois to Belgrade Nikola Tesla Airport.
How old do you have to be to fly from Illinois to Belgrade Nikola Tesla Airport?
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 Illinois to Belgrade Nikola Tesla Airport.
What documentation or ID do you need to fly to Belgrade Nikola Tesla Airport?
The travel and health documents you'll need for your trip to Belgrade Nikola Tesla Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belgrade Nikola Tesla Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Belgrade?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Belgrade is Airbus A330-200 (62.59% of total bookings). The next most popular plane models are Boeing 787 Dreamliner (8.94%), Boeing 787-10 Dreamliner (6.26%), and Boeing 787-9 Dreamliner (5.51%).

Best airlines flying from Illinois to Belgrade

Compare and see reviews for airlines that fly from Illinois to Belgrade with momondo

Airline	Rating	Free Cancellation	Price
Turkish Airlines	PriceFrom $520	Free Cancellation	Rating 7.4 4,410 reviews	Search Turkish Airlines flights
SWISS	PriceFrom $546	Free Cancellation	Rating 7.5 1,971 reviews	Search SWISS flights
KLM	PriceFrom $547	Free Cancellation	Rating 7.8 1,530 reviews	Search KLM flights
Delta	PriceFrom $548	Free Cancellation	Rating 7.8 8,409 reviews	Search Delta flights
United Airlines	PriceFrom $567	Free Cancellation	Rating 7.4 9,853 reviews	Search United Airlines flights
LOT	PriceFrom $570	Free Cancellation	Rating 7.5 1,201 reviews	Search LOT flights
Austrian Airlines	PriceFrom $589	Free Cancellation	Rating 7.6 936 reviews	Search Austrian Airlines flights
JetBlue	PriceFrom $717	Free Cancellation	Rating 7.1 2,983 reviews	Search JetBlue flights
Lufthansa	PriceFrom $753	Free Cancellation	Rating 6.8 8,069 reviews	Search Lufthansa flights
Air Serbia	PriceFrom $836	Free Cancellation	Rating 6.1 231 reviews	Search Air Serbia flights

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Belgrade. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Illinois to Belgrade on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Belgrade from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Illinois to Belgrade now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belgrade and let you know when they change.

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Cheap flights from Illinois to Belgrade from $417

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 Belgrade departing on 7/28. 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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Air Canada flights from Illinois to Belgrade

Our best Air Canada deals on Illinois to Belgrade flight tickets

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How to get the cheapest flight ticket from Illinois to Belgrade

What is the cheapest month to fly to Belgrade?

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

What is the cheapest Illinois to Belgrade Nikola Tesla flight route?

How far in advance should I book a flight from Illinois to Belgrade?

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

Can stopping save me money on Illinois to Belgrade flights?

What is the cheapest airline that flies from Illinois to Belgrade Nikola Tesla?

What airlines fly to Belgrade?

How many flights depart from Illinois to Belgrade on average per week?

Cheap Illinois to Belgrade flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Belgrade

Frequently asked questions about flying from Illinois to Belgrade

Best airlines flying from Illinois to Belgrade

Compare and see reviews for airlines that fly from Illinois to Belgrade with momondo

Traveling to a place near Belgrade?

Why use momondo?

An easier way to manage your Belgrade 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.

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

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