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Belgrade

$270+ Cheap flights from Illinois to Belgrade (BEG)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BEG
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap flight deals from Illinois to Belgrade

Cheapest flights from Illinois to Belgrade
Explore the most affordable flight options available from Illinois to Belgrade. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

This oojo deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:55 pmORD - BEG
1 stop11h 40mLOT
Sun 3/11:55 pmBEG - ORD
1 stop13h 05mLOT
Deal found 12/1$554
This Kiwi.com deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:55 pmORD - BEG
1 stop11h 40mLOT
Thu 1/151:55 pmBEG - ORD
1 stop13h 05mLOT
Deal found 12/1$558
This Kiwi.com deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:55 pmORD - BEG
1 stop11h 40mLOT
Fri 1/161:55 pmBEG - ORD
1 stop13h 05mLOT
Deal found 12/2$559
This Gurufare deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:55 pmORD - BEG
1 stop11h 40mLOT
Thu 1/155:10 pmBEG - ORD
1 stop33h 50mLOT
Deal found 12/2$561
This oojo deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:55 pmORD - BEG
1 stop11h 40mLOT
Fri 1/161:55 pmBEG - ORD
1 stop13h 05mLOT
Deal found 12/3$564
This FlightHub deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:55 pmORD - BEG
1 stop11h 40mLOT
Tue 1/131:55 pmBEG - ORD
1 stop13h 05mLOT
Deal found 12/1$598
This KAYAK deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:55 pmORD - BEG
1 stop11h 40mLOT
Tue 2/35:15 pmBEG - ORD
1 stop33h 45mLOT
Deal found 12/2$606
This Kiwi.com deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/303:45 pmORD - BEG
2 stops44h 25mSWISS
Thu 1/158:05 pmBEG - ORD
1 stop23h 40mSWISS
Deal found 12/1$610
This Delta deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:29 amMDW - BEG
2 stops19h 26mDelta
Fri 1/166:05 amBEG - MDW
2 stops23h 02mDelta
Deal found 12/2$666
This Delta deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:29 amMDW - BEG
2 stops19h 26mDelta
Wed 1/146:05 amBEG - MDW
2 stops23h 02mDelta
Deal found 12/2$726
This Delta deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:49 amMDW - BEG
2 stops18h 06mDelta
Mon 12/156:05 amBEG - MDW
2 stops18h 55mDelta
Deal found 12/1$741
This Delta deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/910:49 amMDW - BEG
2 stops18h 06mDelta
Wed 12/2412:35 pmBEG - MDW
2 stops35h 51mDelta
Deal found 12/2$745

Find flight deals from Illinois to Belgrade

Keep the following information in mind while searching for Illinois to Belgrade flight deals. Data was last updated December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$474
(Kiwi.com)

One-way from

$270
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$934

Good round-trip deal

$803 or less

Good one-way deal

$394 or less
Provider with most accurate pricing for Chicago (CHI)-Belgrade Nikola Tesla flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Belgrade Nikola Tesla flights.
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From Illinois to Belgrade Nikola Tesla
Search Deals
One-way flight from Illinois to Belgrade Nikola Tesla
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($282 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Belgrade Nikola Tesla.
Search Deals
Price to beat on a one-way flight from Illinois to Belgrade Nikola Tesla.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Belgrade 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, Cheapflights users made 2,558,603 searches. Data last updated December 3, 2025.
Use the filters below to find and compare flights from Illinois to Belgrade that are best for you.

Fly from

Illinois

Fly to

Belgrade

Route

Depart

Return

Price

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 1/11

3:50 pm-12:50 pm

1 stop14h 00m

Belgrade Nikola Tesla

Tue 1/27

1:30 pm-11:59 pm

2 stops17h 29m

$474

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Fri 1/23

11:22 am-12:45 pm

2 stops18h 23m

Belgrade Nikola Tesla

Tue 1/27

1:30 pm-11:59 pm

2 stops17h 29m

$545

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 1/28

11:22 am-12:45 pm

2 stops18h 23m

Belgrade Nikola Tesla

Sun 2/1

1:30 pm-11:59 pm

2 stops17h 29m

$545

EvansvilleBelgrade

EVV - BEG

EVVBEG

Evansville Dress Regional

Thu 2/19

11:10 am-11:25 pm

2 stops29h 15m

Belgrade Nikola Tesla

Mon 2/23

12:35 pm-5:17 pm

2 stops35h 42m

$547

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Fri 1/16

7:00 am-10:30 am

2 stops20h 30m

Belgrade Nikola Tesla

Fri 1/23

2:35 pm-11:59 pm

2 stops16h 24m

$583

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Wed 3/18

12:50 pm-2:25 pm

1 stop19h 35m

Belgrade Nikola Tesla

Tue 3/31

4:10 pm-9:40 am

1 stop24h 30m

$585

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Mon 3/16

12:50 pm-8:10 am

1 stop13h 20m

Belgrade Nikola Tesla

Thu 4/2

8:20 pm-9:40 am

1 stop20h 20m

$585

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Mon 3/16

12:50 pm-7:25 pm

1 stop24h 35m

Belgrade Nikola Tesla

Wed 4/1

8:20 pm-9:40 am

1 stop20h 20m

$585

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Tue 3/17

12:50 pm-2:25 pm

1 stop19h 35m

Belgrade Nikola Tesla

Wed 4/1

4:10 pm-9:40 am

1 stop24h 30m

$585

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Mon 3/16

12:50 pm-2:25 pm

1 stop19h 35m

Belgrade Nikola Tesla

Tue 3/31

9:20 am-6:15 pm

1 stop15h 55m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 44 results
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Best time to book a flight from Illinois to Belgrade

Have a flexible travel schedule? Discover the best time to fly to Belgrade from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Belgrade

What is the cheapest month to book a flight from Illinois to Belgrade?

Currently, March is the cheapest month in which you can book a flight from Illinois to Belgrade (average of $501). Flying from Illinois to Belgrade in June is currently the most expensive (average of $997). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to BEG?

Find hourly flight availability from Illinois to Belgrade. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 3, 2025.

One of the essential ways to save on airfare from Illinois to Belgrade is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 41% on airfare.

What is the cheapest day to fly from Illinois to Belgrade?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Belgrade. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Belgrade flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Belgrade. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Belgrade from Illinois?

    Most people fly into Belgrade Nikola Tesla (BEG) if they book a flight to Belgrade from Illinois. Nikola Tesla is conveniently located just 7.1 mi from Belgrade’s city center.

  • How long is the flight from Illinois to Belgrade?

    Lufthansa, Delta, and Turkish Airlines can get you from Illinois to Belgrade in just under 14h. Your travel time can differ by up to 15h 15m. Airlines will cover a distance of 5231 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Illinois to Belgrade one-way?

    For one-way options, check prices for Air Serbia. According to our data, you can fly for as low as $311. Users have also found prices from $391 and $437 on Turkish Airlines and Austrian Airlines, respectively.

  • What are the most popular routes from Illinois to Belgrade?

    The most popular flight routes from Illinois to Belgrade are Chicago O'Hare Intl - Belgrade Nikola Tesla, Chicago Midway - Belgrade Nikola Tesla and Lambert-St Louis - Belgrade Nikola Tesla.

  • What are the cheapest flights from Illinois to Belgrade?

    While on average a flight from Illinois to Belgrade is generally $1,410, our data shows the cheapest flight currently is $309. When looking at the most popular route, (Chicago O'Hare Intl - Belgrade Nikola Tesla), you can expect to pay $512 for that flight.

  • Can I find deals for flights from Illinois to Belgrade that include hotel bookings?

    Yes. In addition to deals on Illinois to Belgrade flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Belgrade?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Belgrade.

  • Can I find deals for business class flights from Illinois to Belgrade?

    Yes. Cheapflights offers flight deals from Illinois to Belgrade by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Belgrade?

    Currently, March is the cheapest month in which you can book a flight from Illinois to Belgrade (average of $501). Flying from Illinois to Belgrade in June is currently the most expensive (average of $997). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Illinois to Belgrade

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to Belgrade

Discover the top 10 airlines that operate flights from Illinois to Belgrade. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$512Average$626FlexibilityNo cancel feeOn-time77%
SWISSCheapest$545Average$896FlexibilityNo cancel feeOn-time79%
KLMCheapest$547Average$921FlexibilityNo cancel feeOn-time75%
DeltaCheapest$548Average$816FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$567Average$862FlexibilityNo cancel feeOn-time69%
LOTCheapest$579Average$811FlexibilityNo cancel feeOn-time81%
Austrian AirlinesCheapest$589Average$865FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$716Average$958FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$744Average$1,041FlexibilityNo cancel feeOn-time62%
Air SerbiaCheapest$817Average$989FlexibilityNo cancel feeOn-timeN/A

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