HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$346+ Cheap flights from Belgrade (BEG) to Illinois

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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
BEG — ORD
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Belgrade to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Belgrade to Illinois

Cheapest flights from Belgrade to Illinois
Explore the most affordable flight options available from Belgrade to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 9, 2026.

This United Airlines deal was found by Cheapflights users on 2/7. 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.
Mon 3/21:50 pm
BEG
-
ORD
2 stops26h 44m
United Airlines
Tue 3/312:45 pm
ORD
-
BEG
2 stops28h 05m
United Airlines
Deal found 2/7$636
This FlightHub deal was found by Cheapflights users on 2/8. 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 3/111:55 pm
BEG
-
ORD
1 stop13h 05m
LOT
Wed 4/89:50 pm
ORD
-
BEG
1 stop32h 30m
LOT
Deal found 2/8$637
This FlightHub deal was found by Cheapflights users on 2/6. 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.
Sat 9/192:00 pm
BEG
-
ORD
1 stop32h 10m
LOT
Tue 11/39:55 pm
ORD
-
BEG
1 stop11h 40m
LOT
Deal found 2/6$638
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Mon 3/21:50 pm
BEG
-
ORD
2 stops35h 51m
United Airlines
Wed 3/44:10 pm
ORD
-
BEG
2 stops24h 40m
United Airlines
Deal found 2/7$653
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 4/152:00 pm
BEG
-
ORD
1 stop12h 50m
LOT
Fri 4/249:50 pm
ORD
-
BEG
1 stop11h 45m
LOT
Deal found 2/7$655
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 4/112:00 pm
BEG
-
ORD
1 stop12h 50m
LOT
Fri 4/249:50 pm
ORD
-
BEG
1 stop11h 45m
LOT
Deal found 2/6$656
This deal was found by Cheapflights users on 2/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:45 am
BEG
-
ORD
Nonstop10h 55m
Air Serbia
Sat 1/27:40 pm
ORD
-
BEG
Nonstop9h 50m
Air Serbia
Deal found 2/7$657
This Cheapflightsfares deal was found by Cheapflights users on 2/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:00 pm
BEG
-
ORD
1 stop12h 50m
LOT
Wed 4/229:50 pm
ORD
-
BEG
1 stop11h 45m
LOT
Deal found 2/6$658
This oojo deal was found by Cheapflights users on 2/6. 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 3/245:15 pm
BEG
-
ORD
1 stop33h 45m
LOT
Tue 3/319:50 pm
ORD
-
BEG
1 stop11h 45m
LOT
Deal found 2/6$659
This lol.travel deal was found by Cheapflights users on 2/6. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/201:55 pm
BEG
-
ORD
1 stop13h 05m
LOT
Sat 4/49:50 pm
ORD
-
BEG
1 stop32h 30m
LOT
Deal found 2/6$664
This FlightHub deal was found by Cheapflights users on 2/8. 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 3/45:15 pm
BEG
-
ORD
1 stop33h 45m
LOT
Thu 5/149:50 pm
ORD
-
BEG
1 stop32h 30m
LOT
Deal found 2/8$665
This FlightHub deal was found by Cheapflights users on 2/6. 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 4/75:15 pm
BEG
-
ORD
1 stop33h 35m
LOT
Wed 4/229:50 pm
ORD
-
BEG
1 stop11h 45m
LOT
Deal found 2/6$666

Find flight deals from Belgrade to Illinois

Keep the following information in mind while searching for Belgrade to Illinois flight deals. Data was last updated February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$636
(United Airlines)

One-way from

$346
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$672

Good round-trip deal

$1,047 or less

Good one-way deal

$662 or less
Provider with most accurate pricing for Belgrade Nikola Tesla-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Belgrade Nikola Tesla-Chicago (CHI) flights.
Search Deals
From Belgrade Nikola Tesla to Illinois
Search Deals
One-way flight from Belgrade Nikola Tesla to Illinois
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Belgrade Nikola Tesla to Illinois.
Search Deals
Price to beat on a one-way flight from Belgrade Nikola Tesla to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Belgrade to Illinois 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 February 9, 2026.
Use the filters below to find and compare flights from Belgrade to Illinois that are best for you.

Fly from

Belgrade

Fly to

Illinois

Route

Depart

Return

Price

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Mon 3/2

1:50 pm-9:34 am

2 stops26h 44m

Chicago O'Hare Intl

Tue 3/3

12:45 pm-11:50 pm

2 stops28h 05m

$636

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Tue 4/7

6:15 am-2:15 pm

1 stop15h 00m

Chicago O'Hare Intl

Tue 4/21

1:36 pm-11:55 am

2 stops15h 19m

$692

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Mon 3/2

6:05 am-2:20 pm

1 stop15h 15m

Chicago O'Hare Intl

Wed 3/18

10:40 am-11:55 am

2 stops19h 15m

$694

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Sat 5/9

9:15 am-3:55 pm

1 stop13h 40m

Chicago O'Hare Intl

Tue 5/19

6:15 pm-4:05 pm

1 stop14h 50m

$697

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Fri 2/27

1:50 pm-8:05 pm

1 stop13h 15m

Chicago O'Hare Intl

Sat 5/16

6:15 pm-3:45 pm

1 stop14h 30m

$698

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Mon 3/9

6:15 am-4:20 pm

1 stop16h 05m

Chicago O'Hare Intl

Tue 6/9

6:30 pm-4:05 pm

1 stop14h 35m

$698

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Tue 3/10

6:10 am-4:20 pm

1 stop16h 10m

Chicago O'Hare Intl

Wed 6/10

6:30 pm-4:05 pm

1 stop14h 35m

$698

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Mon 4/20

6:10 am-12:55 pm

1 stop13h 45m

Chicago O'Hare Intl

Tue 5/19

6:15 pm-4:05 pm

1 stop14h 50m

$698

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Wed 4/15

6:10 am-12:55 pm

1 stop13h 45m

Chicago O'Hare Intl

Thu 6/18

6:30 pm-3:45 pm

1 stop14h 15m

$698

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Sun 5/31

9:15 am-3:55 pm

1 stop13h 40m

Chicago O'Hare Intl

Mon 6/29

6:30 pm-12:55 pm

1 stop11h 25m

$699

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

Showing 1-10 of 42 results
1
2
3
...
5

Best time to book a flight from Belgrade to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Belgrade 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 Belgrade to Illinois

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

Currently, June is the cheapest month in which you can book a flight from Belgrade to Illinois (average of $574). Flying from Belgrade to Illinois in July is currently the most expensive (average of $678). 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 BEG to IL?

Find hourly flight availability from Belgrade to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 9, 2026.

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

How much does it cost to fly round-trip from Belgrade to Illinois?

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated February 9, 2026.
Read through reviews of airlines operating flights from Belgrade to Illinois, such as KLM, SWISS, and LOT. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,450 reviews

Comfort

7.6

Entertainment

7.1

Overall

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,450 reviews
KLM
7.7
Good
1,450 reviews

Comfort

7.6

Entertainment

7.1

Overall

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
SWISS
7.6
Good
1,867 reviews
KLM
7.7
Good
1,450 reviews

Comfort

7.6

Entertainment

7.1

Overall

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
LOT
7.5
Good
1,179 reviews
KLM
7.7
Good
1,450 reviews

Comfort

7.6

Entertainment

7.1

Overall

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,775 reviews
KLM
7.7
Good
1,450 reviews

Comfort

7.6

Entertainment

7.1

Overall

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Air Serbia
6.1
Okay
214 reviews
KLM
7.7
Good
1,450 reviews

Comfort

7.6

Entertainment

7.1

Overall

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from Belgrade to Illinois. 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 from for flights from Belgrade to Illinois?

    For a flight from Belgrade to Illinois, you will be flying from Nikola Tesla. Belgrade Nikola Tesla (BEG) is just 7.1 mi from the center of the city.

  • How long is the flight from Belgrade to Illinois?

    United Airlines and Delta can get you from Belgrade to Illinois in just under 15h. Your travel time can differ by up to 11h 44m. The distance from Belgrade to Illinois is about 4981 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is Air Serbia, with whom users have recently found tickets for as low as $476. However, be on the lookout for offers from LOT and Turkish Airlines, as they are both options that can get you from Belgrade to Illinois for a low price.

  • What are the cheapest flights from Belgrade to Illinois?

    The cheapest flight price from Belgrade to Illinois is $438. On average you can expect to pay $908. The most popular route, (Belgrade Nikola Tesla - Chicago O'Hare Intl), can usually be booked for $676.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belgrade to Illinois 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 Belgrade to Illinois?

    Currently, June is the cheapest month in which you can book a flight from Belgrade to Illinois (average of $574). Flying from Belgrade to Illinois in July is currently the most expensive (average of $678). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from Belgrade to Illinois

Discover the top 8 airlines that operate flights from Belgrade to Illinois. 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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$610Average$735FlexibilityNo cancel feeOn-time77%
SWISSCheapest$617Average$710FlexibilityNo cancel feeOn-time79%
Austrian AirlinesCheapest$625Average$774FlexibilityNo cancel feeOn-time78%
LOTCheapest$629Average$720FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$630Average$752FlexibilityNo cancel feeOn-time76%
KLMCheapest$648Average$818FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$661Average$822FlexibilityNo cancel feeOn-time69%
Air SerbiaCheapest$759Average$991FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.