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

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

What airlines fly to Belgrade?

Air Serbia, SWISS and Turkish Airlines 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 51% 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.

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 March 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.

$253 Cheap Flights from Illinois to Belgrade 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 Belgrade

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:04 am - 11:45 pm

ORD

BEG

34h 41m

2 stops

6:05 am - 4:10 pm

BEG

ORD

41h 05m

2 stops

$664Multiple Airlines

Thu, Apr 16 - Thu, Apr 30

7:30 am - 12:30 pm

ORD

BEG

22h 00m

2 stops

6:30 am - 4:10 pm

BEG

ORD

16h 40m

1 stop

$666Multiple 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

$669Turkish Airlines

Wed, Apr 8 - Wed, Apr 15

11:25 am - 8:25 am

ORD

BEG

14h 00m

1 stop

8:25 pm - 9:40 am

BEG

ORD

20h 15m

1 stop

$675Turkish Airlines

Wed, Apr 8 - Wed, Apr 22

2:25 pm - 4:10 pm

STL

BEG

18h 45m

1 stop

5:20 pm - 8:24 am

BEG

STL

22h 04m

1 stop

$796Air Serbia

Sat, Apr 4 - Sat, Apr 11

6:55 pm - 11:35 pm

STL

BEG

21h 40m

2 stops

6:10 am - 1:25 pm

BEG

STL

14h 15m

1 stop

$832Lufthansa

Wed, Apr 29 - Wed, May 6

7:09 pm - 4:25 pm

STL

BEG

14h 16m

2 stops

1:10 pm - 9:13 pm

BEG

STL

15h 03m

2 stops

$904Lufthansa

Thu, Apr 30 - Thu, May 7

9:35 am - 11:55 am

MDW

BEG

19h 20m

2 stops

6:15 am - 5:58 pm

BEG

MDW

18h 43m

2 stops

$915Delta

Wed, Apr 8 - Wed, Apr 22

1:10 pm - 11:55 am

MDW

BEG

15h 45m

2 stops

6:15 am - 5:54 pm

BEG

MDW

18h 39m

2 stops

$925Delta

Tue, Mar 31 - Tue, Apr 7

12:27 pm - 9:30 am

STL

BEG

14h 03m

1 stop

10:35 am - 11:54 pm

BEG

STL

20h 19m

1 stop

$933Air Serbia

Wed, May 20 - Mon, Jun 1

Turkish Airlines flights from Illinois to Belgrade

Our best Turkish Airlines deals on Illinois to Belgrade flight tickets

Turkish Airlines

Apr 8

ORD11:25 amChicago O'Hare Intl

14h 00m

1 stop

BEG8:25 amBelgrade Nikola Tesla

Apr 15

BEG8:25 pmBelgrade Nikola Tesla

20h 15m

1 stop

ORD9:40 amChicago O'Hare Intl

$669

Turkish Airlines

Apr 8

ORD11:25 amChicago O'Hare Intl

14h 00m

1 stop

BEG8:25 amBelgrade Nikola Tesla

Apr 22

BEG8:25 pmBelgrade Nikola Tesla

20h 15m

1 stop

ORD9:40 amChicago O'Hare Intl

$675

Turkish Airlines

Apr 14

ORD8:10 pmChicago O'Hare Intl

29h 15m

1 stop

BEG8:25 amBelgrade Nikola Tesla

Apr 21

BEG9:15 amBelgrade Nikola Tesla

31h 25m

1 stop

ORD9:40 amChicago O'Hare Intl

$685

Delta flights from Illinois to Belgrade

Our best Delta deals on Illinois to Belgrade flight tickets

Delta

Apr 8

MDW9:35 amChicago Midway

19h 20m

2 stops

BEG11:55 amBelgrade Nikola Tesla

Apr 22

BEG6:15 amBelgrade Nikola Tesla

18h 43m

2 stops

MDW5:58 pmChicago Midway

$915

Delta

Mar 31

MDW1:10 pmChicago Midway

15h 45m

2 stops

BEG11:55 amBelgrade Nikola Tesla

Apr 7

BEG6:15 amBelgrade Nikola Tesla

18h 39m

2 stops

MDW5:54 pmChicago Midway

$925

Delta

Mar 30

MDW1:10 pmChicago Midway

15h 45m

2 stops

BEG11:55 amBelgrade Nikola Tesla

May 9

BEG6:15 amBelgrade Nikola Tesla

19h 18m

2 stops

MDW6:33 pmChicago Midway

$926

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Thu 4/16

6:04 am-11:45 pm

2 stops34h 41m

Belgrade Nikola Tesla

Thu 4/30

6:05 am-4:10 pm

2 stops41h 05m

$664

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Mon 8/17

7:30 am-12:30 pm

2 stops22h 00m

Belgrade Nikola Tesla

Mon 8/31

6:30 am-4:10 pm

1 stop16h 40m

$666

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Wed 4/8

11:25 am-8:25 am

1 stop14h 00m

Belgrade Nikola Tesla

Wed 4/15

8:25 pm-9:40 am

1 stop20h 15m

$669

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Wed 4/8

11:25 am-8:25 am

1 stop14h 00m

Belgrade Nikola Tesla

Wed 4/22

8:25 pm-9:40 am

1 stop20h 15m

$675

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sat 4/4

2:25 pm-4:10 pm

1 stop18h 45m

Belgrade Nikola Tesla

Sat 4/11

5:20 pm-8:24 am

1 stop22h 04m

$796

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 4/29

6:55 pm-11:35 pm

2 stops21h 40m

Belgrade Nikola Tesla

Wed 5/6

6:10 am-1:25 pm

1 stop14h 15m

$832

Quickest round-trip

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Thu 4/30

7:09 pm-4:25 pm

2 stops14h 16m

Belgrade Nikola Tesla

Thu 5/7

1:10 pm-9:13 pm

2 stops15h 03m

$904

ChicagoBelgrade

MDW - BEG

MDWBEG

Chicago Midway

Wed 4/8

9:35 am-11:55 am

2 stops19h 20m

Belgrade Nikola Tesla

Wed 4/22

6:15 am-5:58 pm

2 stops18h 43m

$915

ChicagoBelgrade

MDW - BEG

MDWBEG

Chicago Midway

Tue 3/31

1:10 pm-11:55 am

2 stops15h 45m

Belgrade Nikola Tesla

Tue 4/7

6:15 am-5:54 pm

2 stops18h 39m

$925

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 5/20

12:27 pm-9:30 am

1 stop14h 03m

Belgrade Nikola Tesla

Mon 6/1

10:35 am-11:54 pm

1 stop20h 19m

$933

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

What is the cheapest month to fly to Belgrade?

The month of August is, on average, the cheapest month to fly to Belgrade from Illinois, with most prices found around $723. If you are unable to visit Belgrade 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 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 $873. 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 $945. 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 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 $888 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 $760 on momondo.

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

There are 3 cabin classes available to choose from on Illinois to Belgrade Nikola Tesla 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?

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

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	$341
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 $341. The best round-trip flight deal from Illinois to Belgrade found on momondo in the last 72 hours is $842.

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

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 March 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 (29.35% of total bookings). The next most popular plane models are Boeing 787 Dreamliner (27.41%), Boeing 787-8 Dreamliner (17.49%), and Boeing 787-10 Dreamliner (11.76%).

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 7.3 4,260 reviews	Search Turkish Airlines flights
SWISS	PriceFrom $546	Free Cancellation	Rating 7.5 1,901 reviews	Search SWISS flights
KLM	PriceFrom $547	Free Cancellation	Rating 7.8 1,473 reviews	Search KLM flights
Delta	PriceFrom $548	Free Cancellation	Rating 7.9 8,305 reviews	Search Delta flights
United Airlines	PriceFrom $567	Free Cancellation	Rating 7.4 9,454 reviews	Search United Airlines flights
LOT	PriceFrom $588	Free Cancellation	Rating 7.5 1,184 reviews	Search LOT flights
Austrian Airlines	PriceFrom $589	Free Cancellation	Rating 7.6 900 reviews	Search Austrian Airlines flights
Lufthansa	PriceFrom $712	Free Cancellation	Rating 6.8 7,858 reviews	Search Lufthansa flights
JetBlue	PriceFrom $717	Free Cancellation	Rating 7.2 2,909 reviews	Search JetBlue flights
Air Serbia	PriceFrom $813	Free Cancellation	Rating 6.1 215 reviews	Search Air Serbia flights

Novi Sad

Subotica

Why use momondo?

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sun 4/19

Sun 4/26

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

Nearby airports

Airlines

Cabin classes

Other Serbia destinations

Other flights from Illinois

Complete your trip

Feeling lucky

Airports servicing Serbia

Nis Airport

Cheap flights from Illinois to Belgrade from $253

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 4/10. 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 Belgrade

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Turkish Airlines flights from Illinois to Belgrade

Our best Turkish Airlines deals on Illinois to Belgrade flight tickets

Delta flights from Illinois to Belgrade

Our best Delta deals on Illinois to Belgrade flight tickets

momondo Fare Finder

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

See travel insights to Belgrade from

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 to Belgrade?

What cabin class options are available on Illinois to Belgrade Nikola Tesla 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?

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

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.

Get notified when prices go down

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

Find better results for your trip to Serbia

Airports servicing Serbia

Fly your favorite airline to Belgrade

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

Cabin classes currently available on flights to Belgrade

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

Popular cities in Serbia

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

Fly to other destinations from Illinois

According to popular flight searches on momondo this year

Complete your trip to Belgrade

Explore popular destinations other users love

According to popular flight searches on momondo this year