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Belgrade

$253+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BEG
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
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 January 26, 2026.

This Expedia deal was found by Cheapflights users on 1/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 pm
STL
-
BEG
2 stops16h 05m
Lufthansa
Tue 3/171:30 pm
BEG
-
STL
2 stops16h 21m
Lufthansa
Deal found 1/24$562
This oojo deal was found by Cheapflights users on 1/25. 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.
Mon 3/99:20 pm
ORD
-
BEG
1 stop16h 05m
Turkish Airlines
Mon 3/163:15 pm
BEG
-
ORD
1 stop34h 10m
Turkish Airlines
Deal found 1/25$570
This SmartFares deal was found by Cheapflights users on 1/24. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:20 pm
ORD
-
BEG
1 stop16h 05m
Turkish Airlines
Tue 3/39:00 am
BEG
-
ORD
1 stop16h 25m
Turkish Airlines
Deal found 1/24$571
This SmartFares deal was found by Cheapflights users on 1/24. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2111:50 am
ORD
-
BEG
1 stop13h 20m
Turkish Airlines
Sat 2/288:15 pm
BEG
-
ORD
1 stop20h 50m
Turkish Airlines
Deal found 1/24$572
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Wed 2/259:55 am
STL
-
BEG
2 stops19h 55m
United Airlines
Sun 3/16:15 am
BEG
-
STL
1 stop14h 40m
United Airlines
Deal found 1/25$575
This Justfly.com deal was found by Cheapflights users on 1/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:10 pm
ORD
-
BEG
1 stop16h 25m
Turkish Airlines
Sat 4/119:15 am
BEG
-
ORD
1 stop31h 25m
Turkish Airlines
Deal found 1/25$585
This FlightHub deal was found by Cheapflights users on 1/24. 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.
Wed 1/2811:50 am
ORD
-
BEG
1 stop24h 35m
Turkish Airlines
Wed 2/113:15 pm
BEG
-
ORD
1 stop25h 50m
Turkish Airlines
Deal found 1/24$586
This oojo deal was found by Cheapflights users on 1/25. 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.
Fri 2/138:20 pm
ORD
-
BEG
1 stop16h 05m
Turkish Airlines
Sun 2/228:15 pm
BEG
-
ORD
1 stop29h 10m
Turkish Airlines
Deal found 1/25$592
This Kiwi.com deal was found by Cheapflights users on 1/24. 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.
Sun 2/158:20 pm
ORD
-
BEG
1 stop16h 05m
Turkish Airlines
Mon 3/98:15 pm
BEG
-
ORD
1 stop20h 50m
Turkish Airlines
Deal found 1/24$594
This Kiwi.com deal was found by Cheapflights users on 1/24. 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.
Sat 3/78:20 pm
ORD
-
BEG
1 stop16h 05m
Turkish Airlines
Fri 3/209:00 am
BEG
-
ORD
1 stop32h 05m
Turkish Airlines
Deal found 1/24$597
This oojo deal was found by Cheapflights users on 1/25. 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.
Sat 3/78:20 pm
ORD
-
BEG
1 stop16h 05m
Turkish Airlines
Sat 4/119:15 am
BEG
-
ORD
1 stop16h 00m
Turkish Airlines
Deal found 1/25$601
This Ovago deal was found by Cheapflights users on 1/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1411:50 am
ORD
-
BEG
1 stop13h 20m
Turkish Airlines
Tue 3/109:00 am
BEG
-
ORD
1 stop16h 25m
Turkish Airlines
Deal found 1/24$603

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 January 26, 2026.

Most accurate provider

oojo
3 stars

Most trusted provider

oojo
3 stars

Round-trip from

$562
(Expedia)

One-way from

$253
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$701

Good round-trip deal

$768 or less

Good one-way deal

$412 or less
Provider with most accurate pricing for Chicago (CHI)-Belgrade Nikola Tesla flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Belgrade Nikola Tesla flights.
Search Deals
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. 23% potential increase in price ($264 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 26, 2026.
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

Tue 3/10

7:00 pm-5:05 pm

2 stops16h 05m

Belgrade Nikola Tesla

Tue 3/17

1:30 pm-11:51 pm

2 stops16h 21m

$562

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 2/25

7:41 am-12:50 pm

2 stops22h 09m

Belgrade Nikola Tesla

Sun 3/1

6:15 am-1:55 pm

1 stop14h 40m

$575

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Thu 2/12

8:20 pm-7:25 pm

1 stop16h 05m

Belgrade Nikola Tesla

Sat 2/21

3:15 pm-10:05 am

1 stop25h 50m

$603

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 3/10

4:05 pm-5:05 pm

2 stops19h 00m

Belgrade Nikola Tesla

Tue 3/17

6:50 am-9:07 pm

3 stops20h 17m

$688

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sat 2/7

8:05 am-2:25 pm

2 stops23h 20m

Belgrade Nikola Tesla

Tue 2/10

8:15 pm-4:03 pm

2 stops26h 48m

$755

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Wed 7/22

11:25 am-8:25 am

1 stop14h 00m

Belgrade Nikola Tesla

Tue 8/18

12:55 am-10:05 pm

1 stop28h 10m

$757

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Tue 3/31

2:10 pm-12:00 pm

2 stops14h 50m

Belgrade Nikola Tesla

Sun 4/12

6:00 am-6:31 pm

2 stops19h 31m

$774

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Thu 4/2

9:50 am-12:00 pm

2 stops19h 10m

Belgrade Nikola Tesla

Fri 4/24

6:00 am-9:53 pm

2 stops22h 53m

$774

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Sat 2/28

7:00 am-11:55 am

2 stops21h 55m

Belgrade Nikola Tesla

Fri 3/20

6:05 am-3:20 pm

1 stop15h 15m

$778

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Thu 3/12

7:00 am-11:55 am

2 stops22h 55m

Belgrade Nikola Tesla

Tue 3/31

6:00 am-2:15 pm

1 stop15h 15m

$778

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

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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 $493). Flying from Illinois to Belgrade in June is currently the most expensive (average of $987). 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 January 26, 2026.

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 morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 14% 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 13, 2025.

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, United Airlines, and Turkish Airlines can get you from Illinois to Belgrade in just under 16h 05m. Your travel time can differ by up to 6h 04m. 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 JetBlue. According to our data, you can fly for as low as $261. Users have also found prices from $310 and $384 on Air Serbia and Turkish 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 $1,393, our data shows the cheapest flight currently is $276. When looking at the most popular route, (Chicago O'Hare Intl - Belgrade Nikola Tesla), you can expect to pay $539 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 $493). Flying from Illinois to Belgrade in June is currently the most expensive (average of $987). 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$520Average$653FlexibilityNo cancel feeOn-time77%
SWISSCheapest$546Average$887FlexibilityNo cancel feeOn-time79%
KLMCheapest$547Average$920FlexibilityNo cancel feeOn-time75%
DeltaCheapest$548Average$816FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$567Average$862FlexibilityNo cancel feeOn-time69%
LOTCheapest$579Average$830FlexibilityNo cancel feeOn-time81%
Austrian AirlinesCheapest$589Average$839FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$663Average$942FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$717Average$1,043FlexibilityNo cancel feeOn-time62%
Air SerbiaCheapest$821Average$971FlexibilityNo cancel feeOn-timeN/A

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