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$455+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BEG
aug. 23 — aug. 301
za 8/23
za 8/30
1 adult, Economy
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Cheap flight deals from Illinois to Belgrade

Keep the following information in mind while searching for Illinois to Belgrade flight deals. Data was last updated augustus 18, 2025.

Round-trip from

$641
(FlightHub)

One-way from

$455
(Turkish Airlines)

Popular in

June

Cheapest in

February

Average price

$731

Good round-trip deal

$886 or less

Good one-way deal

$483 or less
From Illinois to Belgrade Nikola Tesla
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One-way flight from Illinois to Belgrade Nikola Tesla
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Highest demand for flights based on searches. 27% potential increase in price ($308 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Illinois to Belgrade Nikola Tesla.
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Price to beat on a one-way flight from Illinois to Belgrade Nikola Tesla.
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Find 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 augustus 18, 2025.

This FlightHub deal was found by Cheapflights users on 8/16. 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.
di 9/307:15 pmORD - BEG
1 stop20h 30mMultiple Airlines
do 10/166:30 amBEG - ORD
1 stop16h 40mMultiple Airlines
Deal found 8/16$641
This oojo deal was found by Cheapflights users on 8/18. 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.
wo 11/129:55 pmORD - BEG
1 stop32h 20mLOT
zo 11/161:55 pmBEG - ORD
1 stop13h 05mLOT
Deal found 8/18$643
This oojo deal was found by Cheapflights users on 8/16. 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.
za 10/2510:55 pmORD - BEG
1 stop32h 20mLOT
za 11/15:15 pmBEG - ORD
1 stop33h 45mLOT
Deal found 8/16$645
This oojo deal was found by Cheapflights users on 8/17. 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.
wo 10/159:40 pmORD - BEG
1 stop11h 55mLOT
za 11/15:15 pmBEG - ORD
1 stop33h 45mLOT
Deal found 8/17$647
This FlightHub deal was found by Cheapflights users on 8/16. 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.
za 11/110:55 pmORD - BEG
1 stop32h 20mLOT
ma 11/175:15 pmBEG - ORD
1 stop33h 45mLOT
Deal found 8/16$651
This FlightHub deal was found by Cheapflights users on 8/17. 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.
ma 10/611:25 amORD - BEG
1 stop25h 10mTurkish Airlines
ma 10/209:20 amBEG - ORD
1 stop19h 40mTurkish Airlines
Deal found 8/17$652
This Mytrip deal was found by Cheapflights users on 8/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 10/106:00 pmORD - BEG
3 stops24h 25mMultiple Airlines
vr 10/246:55 pmBEG - ORD
2 stops28h 35mMultiple Airlines
Deal found 8/18$658
This CrystalTravel deal was found by Cheapflights users on 8/17. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 9/1011:45 pmORD - BEG
1 stop25h 45mTurkish Airlines
wo 10/88:25 pmBEG - ORD
1 stop20h 15mTurkish Airlines
Deal found 8/17$664
This Booking.com deal was found by Cheapflights users on 8/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
zo 11/97:20 pmORD - BEG
1 stop33h 25mMultiple Airlines
wo 11/195:15 pmBEG - ORD
1 stop30h 30mMultiple Airlines
Deal found 8/16$666
This oojo deal was found by Cheapflights users on 8/18. 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.
wo 9/1011:45 pmORD - BEG
1 stop32h 25mTurkish Airlines
wo 9/244:00 pmBEG - ORD
1 stop24h 40mTurkish Airlines
Deal found 8/18$667
This FlightHub deal was found by Cheapflights users on 8/17. 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.
zo 11/98:20 pmORD - BEG
1 stop28h 50mTurkish Airlines
wo 11/198:15 pmBEG - ORD
1 stop29h 10mTurkish Airlines
Deal found 8/17$670
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 12/310:00 amSTL - BEG
2 stops19h 50mUnited Airlines
zo 12/76:15 amBEG - STL
1 stop14h 40mUnited Airlines
Deal found 8/16$685

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 augustus 18, 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

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

do 10/2

7:15 pm-10:45 pm

1 stop20h 30m

Belgrade Nikola Tesla

za 1/24

6:30 am-4:45 pm

1 stop17h 15m

$641

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

wo 11/12

9:55 pm-1:15 pm

1 stop32h 20m

Belgrade Nikola Tesla

zo 11/16

1:55 pm-8:00 pm

1 stop13h 05m

$643

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

za 10/25

10:55 pm-1:15 pm

1 stop32h 20m

Belgrade Nikola Tesla

za 11/1

5:15 pm-9:00 pm

1 stop33h 45m

$645

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

wo 10/15

9:40 pm-4:35 pm

1 stop11h 55m

Belgrade Nikola Tesla

za 11/1

5:15 pm-9:00 pm

1 stop33h 45m

$647

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

di 10/7

11:25 am-8:30 am

1 stop14h 05m

Belgrade Nikola Tesla

di 10/21

9:20 am-5:55 pm

1 stop15h 35m

$652

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

wo 9/10

11:45 pm-8:30 am

1 stop25h 45m

Belgrade Nikola Tesla

vr 10/10

4:00 pm-5:55 pm

1 stop32h 55m

$652

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

wo 9/17

11:45 pm-8:30 am

1 stop25h 45m

Belgrade Nikola Tesla

wo 10/1

8:25 pm-5:55 pm

1 stop28h 30m

$652

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

ma 9/15

11:45 pm-3:10 pm

1 stop32h 25m

Belgrade Nikola Tesla

wo 10/1

9:20 am-9:40 am

1 stop31h 20m

$652

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

wo 10/8

7:50 pm-7:35 pm

1 stop16h 45m

Belgrade Nikola Tesla

wo 10/22

4:00 pm-9:40 am

1 stop24h 40m

$652

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

di 10/14

7:50 pm-3:10 pm

1 stop36h 20m

Belgrade Nikola Tesla

di 10/28

3:15 pm-11:05 am

1 stop25h 50m

$652

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 54 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, January is the cheapest month in which you can book a flight from Illinois to Belgrade (average of $688). Flying from Illinois to Belgrade in June is currently the most expensive (average of $1,174). 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 augustus 18, 2025.

When flying from Illinois to Belgrade, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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?

    LOT, Turkish Airlines, and United Airlines can get you from Illinois to Belgrade in just under 14h 05m. Your travel time can differ by up to 18h 15m. Airlines will cover a distance of 4981 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 Turkish Airlines. According to our data, you can fly for as low as $455. Users have also found prices from $466 and $478 on SWISS and Air Canada, 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 $995, our data shows the cheapest flight currently is $314. When looking at the most popular route, (Chicago O'Hare Intl - Belgrade Nikola Tesla), you can expect to pay $614 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, January is the cheapest month in which you can book a flight from Illinois to Belgrade (average of $688). Flying from Illinois to Belgrade in June is currently the most expensive (average of $1,174). 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.

See more FAQs

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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 augustus 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$500Average$904FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$515Average$615FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$542Average$1,180FlexibilityNo cancel feeOn-time62%
Austrian AirlinesCheapest$564Average$778FlexibilityNo cancel feeOn-time78%
LOTCheapest$579Average$834FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$583Average$915FlexibilityNo cancel feeOn-time76%
KLMCheapest$588Average$762FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$592Average$830FlexibilityNo cancel feeOn-time69%
Air SerbiaCheapest$815Average$1,008FlexibilityNo cancel feeOn-timeN/A
ITA AirwaysCheapest$991Average$1,172FlexibilityNo cancel feeOn-time81%

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