Cheap flights from Illinois to Serbia from $324
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Serbia departing on 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
ChicagoBelgrade
ORD Chicago O'Hare Intl - BEG Belgrade Nikola Tesla
ORDBEG
Chicago O'Hare Intl
Tue 11/17
7:10 pm-10:30 pm
1 stop20h 20m
Belgrade Nikola Tesla
Tue 11/24
6:30 am-4:45 pm
1 stop17h 15m
ChicagoBelgrade
ORD Chicago O'Hare Intl - BEG Belgrade Nikola Tesla
ORDBEG
Chicago O'Hare Intl
Wed 1/6
9:50 pm-5:20 pm
1 stop12h 30m
Belgrade Nikola Tesla
Wed 1/20
2:45 pm-7:52 pm
2 stops36h 07m
ChicagoBelgrade
ORD Chicago O'Hare Intl - BEG Belgrade Nikola Tesla
ORDBEG
Chicago O'Hare Intl
Sat 2/6
9:50 pm-1:15 pm
1 stop32h 25m
Belgrade Nikola Tesla
Mon 2/22
5:15 pm-7:55 pm
1 stop33h 40m
ChicagoBelgrade
ORD Chicago O'Hare Intl - BEG Belgrade Nikola Tesla
ORDBEG
Chicago O'Hare Intl
Sat 2/6
9:50 pm-1:15 pm
1 stop32h 25m
Belgrade Nikola Tesla
Tue 2/23
5:15 pm-7:55 pm
1 stop33h 40m
ChicagoBelgrade
ORD Chicago O'Hare Intl - BEG Belgrade Nikola Tesla
ORDBEG
Chicago O'Hare Intl
Fri 1/8
8:15 pm-7:30 pm
1 stop16h 15m
Belgrade Nikola Tesla
Fri 1/22
3:30 pm-10:00 am
1 stop25h 30m
ChicagoBelgrade
ORD Chicago O'Hare Intl - BEG Belgrade Nikola Tesla
ORDBEG
Chicago O'Hare Intl
Sat 11/7
12:45 pm-8:00 am
1 stop12h 15m
Belgrade Nikola Tesla
Fri 11/20
8:50 am-6:20 pm
1 stop16h 30m
ChicagoBelgrade
ORD Chicago O'Hare Intl - BEG Belgrade Nikola Tesla
ORDBEG
Chicago O'Hare Intl
Mon 4/5
7:05 pm-1:55 pm
1 stop11h 50m
Belgrade Nikola Tesla
Mon 4/19
8:00 pm-3:55 pm
1 stop26h 55m
ChicagoBelgrade
ORD Chicago O'Hare Intl - BEG Belgrade Nikola Tesla
ORDBEG
Chicago O'Hare Intl
Sun 4/4
7:05 pm-7:15 pm
1 stop17h 10m
Belgrade Nikola Tesla
Mon 4/12
8:00 pm-3:55 pm
1 stop26h 55m
ChicagoBelgrade
ORD Chicago O'Hare Intl - BEG Belgrade Nikola Tesla
ORDBEG
Chicago O'Hare Intl
Mon 1/4
10:35 pm-11:50 pm
1 stop18h 15m
Belgrade Nikola Tesla
Mon 1/18
6:00 pm-6:25 pm
1 stop31h 25m
ChicagoBelgrade
ORD Chicago O'Hare Intl - BEG Belgrade Nikola Tesla
ORDBEG
Chicago O'Hare Intl
Sun 2/7
5:53 pm-12:45 pm
2 stops35h 52m
Belgrade Nikola Tesla
Mon 2/22
6:00 pm-6:25 pm
1 stop31h 25m
See travel insights to Serbia from
How to get the cheapest flight ticket from Illinois to Serbia
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Serbia?
The cheapest month to fly to Serbia from Illinois is in February. Flight prices, which tend to average around $721, are often lower during this time because this is during the off-season. If you are unable to visit Serbia during the month of February, then departing from Illinois during the month November is also very affordable. Most momondo users find prices during this month for around $739.
What is the cheapest day to depart on your flight to Serbia?
According to our data, Thursday is the cheapest day to fly to Serbia from Illinois. The lowest ticket price found for a Thursday departure recently was $835. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Serbia is Friday, with ticket prices averaging around $1,019.
What is the cheapest Illinois to Serbia flight route?
Fly from Chicago O'Hare Intl to Belgrade Nikola Tesla for the best Illinois - Serbia flight prices
How far in advance should I book a flight from Illinois to Serbia?
You are more likely to see cheaper flights to Serbia from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Serbia for around $915 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Serbia from Illinois for as low as $789 on momondo.
What cabin class options are available on Illinois to Serbia flights?
There are 3 cabin classes available to choose from on Illinois to Serbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Illinois to Serbia flights?
No. A direct flight is the cheapest option for a flight between Illinois to Serbia.
What is the cheapest airline that flies from Illinois to Serbia?
United Airlines and Turkish Airlines are the most popular carriers operating from Illinois to Serbia
What airlines fly to Serbia?
Air Serbia, SWISS and Lufthansa are the top three most popular airlines that fly to Serbia from Illinois according to our data. Air Serbia is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Serbia. Keep in mind that there are 11 different airlines that fly to Serbia on a routine basis, so you have a few additional options to choose from.
Cheap Illinois to Serbia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Serbia
Frequently asked questions about flying from Illinois to Serbia
When did momondo last update prices for flights from Illinois to Serbia?
Prices for flights from Illinois to Serbia are updated daily.
How many operators does momondo search for flights from Illinois to Serbia?
As of October 2026, there are 11 operators available to choose from for flights from Illinois to Serbia.
How old do you have to be to fly from Illinois to Serbia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Serbia.
What documentation or ID do you need to fly to Serbia?
The travel and health documents required for your trip to Serbia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Serbia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Illinois to Serbia?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Serbia is Airbus A330-200, representing 44.26% of all bookings. The subsequent popular models are Airbus A330 at 22.77%, Boeing 787-10 Dreamliner at 6.38%, and Boeing 787-9 Dreamliner at 5.83%.
Best airlines flying from Illinois to Serbia
Compare and see reviews for airlines that fly from Illinois to Serbia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $520 | Free Cancellation | Rating 7.4 4,455 reviews | |||
| PriceFrom $547 | Free Cancellation | Rating 7.8 1,580 reviews | |||
| PriceFrom $548 | Free Cancellation | Rating 7.8 8,645 reviews | |||
| PriceFrom $567 | Free Cancellation | Rating 7.4 10,319 reviews | |||
| PriceFrom $569 | Free Cancellation | Rating 7.5 2,094 reviews | |||
| PriceFrom $570 | Free Cancellation | Rating 7.6 1,194 reviews | |||
| PriceFrom $589 | Free Cancellation | Rating 7.5 980 reviews | |||
| PriceFrom $593 | Free Cancellation | Rating 6.8 1,387 reviews | |||
| PriceFrom $660 | Free Cancellation | Rating 6.8 8,271 reviews | |||
| PriceFrom $840 | Free Cancellation | Rating 6.1 238 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to Serbia?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Serbia for you.
Can I find flights from Illinois to Serbia with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Illinois to Serbia flights to just show those with flexible booking policies.
How can momondo help me find flights from Illinois to Serbia?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Serbia from Illinois.
I’m not ready to book a flight from Illinois to Serbia right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Serbia, momondo offers a useful price alert feature which will track prices for flights to Serbia from Illinois and alert you when they change.