$423 Cheap Flights from Chicago (ORD) to Belgrade (BEG)

View $423 flight on Mon, Aug 4, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Nikola Tesla Airport (BEG)

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Cheap Flights from Chicago to Belgrade (ORD-BEG)

Prices were available within the past 7 days and start at $423 for one-way flights and $621 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Sat, Sep 13 - Wed, Oct 15
ORD
Chicago
BEG
Belgrade
$621 Roundtrip, found 6 hours ago
$621
Roundtrip
found 6 hours ago
Select Turkish Airlines flight, departing Sat, Sep 13 from Chicago to Belgrade, returning Wed, Oct 15, priced at $621 found 6 hours ago
Turkish Airlines
Mon, Sep 15 - Thu, Sep 25
ORD
Chicago
BEG
Belgrade
$622 Roundtrip, found 1 day ago
$622
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Mon, Sep 15 from Chicago to Belgrade, returning Thu, Sep 25, priced at $622 found 1 day ago
Turkish Airlines
Wed, Oct 22 - Tue, Nov 18
ORD
Chicago
BEG
Belgrade
$631 Roundtrip, just found
$631
Roundtrip
just found
Select Turkish Airlines flight, departing Wed, Oct 22 from Chicago to Belgrade, returning Tue, Nov 18, priced at $631 just found
Turkish Airlines
Mon, Oct 20 - Thu, Nov 20
ORD
Chicago
BEG
Belgrade
$632 Roundtrip, found 1 day ago
$632
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Mon, Oct 20 from Chicago to Belgrade, returning Thu, Nov 20, priced at $632 found 1 day ago
LOT-Polish Airlines
Mon, Oct 20 - Mon, Nov 17
ORD
Chicago
BEG
Belgrade
$634 Roundtrip, just found
$634
Roundtrip
just found
Select LOT-Polish Airlines flight, departing Mon, Oct 20 from Chicago to Belgrade, returning Mon, Nov 17, priced at $634 just found
LOT-Polish Airlines
Wed, Oct 22 - Wed, Nov 5
ORD
Chicago
BEG
Belgrade
$634 Roundtrip, found 6 days ago
$634
Roundtrip
found 6 days ago
Select LOT-Polish Airlines flight, departing Wed, Oct 22 from Chicago to Belgrade, returning Wed, Nov 5, priced at $634 found 6 days ago
Swiss International Air Lines
Sat, Jan 3 - Sat, Jan 17
ORD
Chicago
BEG
Belgrade
$772 Roundtrip, just found
$772
Roundtrip
just found
Select Swiss International Air Lines flight, departing Sat, Jan 3 from Chicago to Belgrade, returning Sat, Jan 17, priced at $772 just found
Air Canada
Mon, Jan 26 - Mon, Feb 9
ORD
Chicago
BEG
Belgrade
$782 Roundtrip, found 7 hours ago
$782
Roundtrip
found 7 hours ago
Select Air Canada flight, departing Mon, Jan 26 from Chicago to Belgrade, returning Mon, Feb 9, priced at $782 found 7 hours ago
Lufthansa
Sat, Nov 8 - Sat, Nov 22
ORD
Chicago
BEG
Belgrade
$782 Roundtrip, found 2 hours ago
$782
Roundtrip
found 2 hours ago
Select Lufthansa flight, departing Sat, Nov 8 from Chicago to Belgrade, returning Sat, Nov 22, priced at $782 found 2 hours ago
Austrian Airlines
Sat, Nov 8 - Sat, Nov 22
ORD
Chicago
BEG
Belgrade
$783 Roundtrip, found 2 hours ago
$783
Roundtrip
found 2 hours ago
Select Austrian Airlines flight, departing Sat, Nov 8 from Chicago to Belgrade, returning Sat, Nov 22, priced at $783 found 2 hours ago

Find the cheapest month to fly from Chicago (ORD) to Belgrade (BEG)

November is typically the cheapest month to fly

From $500 - $1,502 per traveler.

Graph displaying average flight prices per month

Alternative airports near Belgrade

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Nikola Tesla BEG. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $693
BEG
Nikola Tesla
CheapestClosest
Average driving time to city center16 min
Flights from $693
Flights from Chicago (ORD) to Belgrade (BEG)
Origin airport
O'Hare Intl.
Destination airport
Nikola Tesla
Airlines serving
Air Canada, Air Europa, Air France, Air Serbia, Austrian Airlines, Delta, Emirates, ITA Airways, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$621
Distance
4983 mi
Average flight time
9 hours 45 mins

Chicago to Belgrade Flights

The cheapest times to fly from Chicago to Belgrade

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Belgrade are during the month of September. You can find some of the cheapest flights from Chicago to Belgrade with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Belgrade

Sunday is one of the best days to book for cheap flights from Chicago to Belgrade: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Belgrade

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Belgrade in 2025. You can also book with separate airlines for your outbound and return journeys, from $423 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Belgrade flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Belgrade airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Nikola Tesla Airport (BEG) cost?
You can score cheap return tickets from O'Hare Intl. Airport (ORD) to Nikola Tesla Airport (BEG) starting at $881. Grab a seat and be on your way. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Air Serbia flight leaving ORD on August 18 2025 and touching down at BEG. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from ORD to BEG?
The cheapest flights from ORD to BEG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Nikola Tesla Airport (BEG)?
When departing from O'Hare Intl. Airport (ORD), you can get on a nonstop flight to Nikola Tesla Airport (BEG) with Air Serbia.
What is the cheapest airline that flies from ORD to BEG?
With fares starting at $469 for a one-way journey from ORD to BEG, Air Serbia is currently the cheapest airline operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ORD on October 11 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from O'Hare Intl. Airport (ORD) to Nikola Tesla Airport (BEG)?
On average you can take your pick of 1 direct flights every week from O'Hare Intl. Airport (ORD) to Nikola Tesla Airport (BEG). To increase your travel options, consider taking a flight with a layover. Just enter your details on Expedia and then filter your search results to show one stop or more.
What are the most popular departure times for flights from O'Hare Intl. Airport (ORD) to Nikola Tesla Airport (BEG)?
The 5 PM departures from ORD to BEG are the busiest. Prices can be higher for these popular slots. If you're looking to save, pick a less crowded time to fly.
What day of the week has the most flights from ORD to BEG?
Depart on a Saturday if you're searching for the largest selection of flights from O'Hare Intl. Airport (ORD) to Nikola Tesla Airport (BEG).
What is the earliest flight from O'Hare Intl. Airport (ORD) to Nikola Tesla Airport (BEG)?
O'Hare Intl. Airport (ORD)'s first flight to Nikola Tesla Airport (BEG) takes off at approximately 5:30PM UTC-6. With a total journey time of 9h 30m, you'll touch down at around 10:00AM UTC+1.
How long does it take to fly from O'Hare Intl. Airport (ORD) to Nikola Tesla Airport (BEG)?
The average flight duration from ORD to BEG is 9 hours and 30 minutes, covering a distance of 5,000 mi.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Nikola Tesla Airport (BEG)?
Opt for a flight from O'Hare Intl. Airport (ORD) to Nikola Tesla Airport (BEG) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Belgrade from O'Hare Intl. Airport (ORD)?
Browse your flight options from O'Hare Intl. Airport (ORD) to Nikola Tesla Airport (BEG). This is the only airport in Belgrade you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Nikola Tesla Airport (BEG) last-minute?
Booking your flight from ORD to BEG right before your trip is generally more expensive. But if there's some wiggle room with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an ORD to BEG flight and hotel package?
Securing an ORD to BEG flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our extensive range of hotels and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Nikola Tesla Airport (BEG)?
In most cases, you're able to reschedule or cancel your ORD to BEG flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more details, head to our Customer Service portal.

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*Available to One Key members.