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Cheap flights from Illinois to Belgrade from $326

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 Belgrade departing on 12/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Belgrade

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
6:50 pm - 5:20 pm-
15h 30m
Lufthansa Logo
6:15 am - 1:45 pm-
14h 30m
$779Lufthansa
Tue, Nov 10 - Sun, Nov 15
Lufthansa Logo
6:50 pm - 5:20 pm-
15h 30m
Lufthansa Logo
6:15 am - 9:40 pm-
22h 25m
$786Lufthansa
Tue, Nov 10 - Sun, Nov 15
Delta Logo
6:05 am - 11:55 am-
22h 50m
Delta Logo
6:05 am - 2:25 pm-
15h 20m
$789Delta
Sun, Dec 13 - Thu, Jan 7
Delta Logo
1:55 pm - 11:25 pm-
26h 30m
Delta Logo
6:05 am - 2:25 pm-
15h 20m
$789Delta
Mon, Dec 14 - Wed, Jan 13
LOT Logo
9:50 pm - 4:35 pm-
11h 45m
LOT Logo
2:00 pm - 3:10 pm-
32h 10m
$789LOT
Mon, Sep 14 - Sat, Oct 3
Turkish Airlines Logo
8:10 pm - 8:10 am-
29h 00m
Turkish Airlines Logo
8:30 pm - 9:40 am-
20h 10m
$789Turkish Airlines
Fri, Aug 14 - Wed, Sep 23
Turkish Airlines Logo
8:10 pm - 8:10 am-
29h 00m
Turkish Airlines Logo
4:00 pm - 9:40 am-
24h 40m
$789Turkish Airlines
Tue, Aug 18 - Mon, Sep 28
SWISS Logo
7:05 pm - 1:55 pm-
11h 50m
SWISS Logo
8:00 pm - 3:55 pm-
26h 55m
$789SWISS
Mon, Sep 14 - Sun, Oct 4
SWISS Logo
2:20 pm - 7:15 pm-
21h 55m
SWISS Logo
8:00 pm - 3:55 pm-
26h 55m
$789SWISS
Sun, Sep 13 - Sun, Oct 4
LOT Logo
5:10 pm - 1:20 pm-
13h 10m
LOT Logo
2:00 pm - 7:50 pm-
12h 50m
$791LOT
Sat, Sep 12 - Mon, Oct 5

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KLM flights from Illinois to Belgrade

Our best KLM deals on Illinois to Belgrade flight tickets
KLM
Nov 24
ORD1:55 pmChicago O'Hare Intl
15h 00m
2 stops
BEG11:55 amBelgrade Nikola Tesla
Dec 1
BEG6:05 amBelgrade Nikola Tesla
17h 19m
2 stops
ORD4:24 pmChicago O'Hare Intl
$798
KLM
Sep 15
MDW1:19 pmChicago Midway
15h 36m
2 stops
BEG11:55 amBelgrade Nikola Tesla
Sep 22
BEG12:35 pmBelgrade Nikola Tesla
17h 09m
2 stops
MDW10:44 pmChicago Midway
$893
KLM
Sep 15
MDW1:19 pmChicago Midway
15h 36m
2 stops
BEG11:55 amBelgrade Nikola Tesla
Sep 22
BEG12:35 pmBelgrade Nikola Tesla
17h 09m
2 stops
MDW10:44 pmChicago Midway
$894

SWISS flights from Illinois to Belgrade

Our best SWISS deals on Illinois to Belgrade flight tickets
SWISS
Aug 9
ORD2:20 pmChicago O'Hare Intl
11h 10m
1 stop
BEG8:30 amBelgrade Nikola Tesla
Sep 18
BEG9:15 amBelgrade Nikola Tesla
13h 40m
1 stop
ORD3:55 pmChicago O'Hare Intl
$796
SWISS
Aug 16
ORD2:20 pmChicago O'Hare Intl
11h 10m
1 stop
BEG8:30 amBelgrade Nikola Tesla
Oct 1
BEG8:00 pmBelgrade Nikola Tesla
26h 55m
1 stop
ORD3:55 pmChicago O'Hare Intl
$809
SWISS
Sep 15
ORD7:05 pmChicago O'Hare Intl
11h 50m
1 stop
BEG1:55 pmBelgrade Nikola Tesla
Sep 22
BEG9:15 amBelgrade Nikola Tesla
13h 40m
1 stop
ORD3:55 pmChicago O'Hare Intl
$812

momondo 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, momondo users made 832,500 searches. Data last updated August 5, 2026.
Use the filters below to find and compare flights from Illinois to Belgrade that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 11/10

6:50 pm-5:20 pm

2 stops15h 30m

Belgrade Nikola Tesla

Sun 11/15

6:15 am-1:45 pm

1 stop14h 30m

$779

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 11/10

6:50 pm-5:20 pm

2 stops15h 30m

Belgrade Nikola Tesla

Sun 11/15

6:15 am-9:40 pm

2 stops22h 25m

$786

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Sun 12/13

6:05 am-11:55 am

2 stops22h 50m

Belgrade Nikola Tesla

Thu 1/7

6:05 am-2:25 pm

1 stop15h 20m

$789

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Mon 12/14

1:55 pm-11:25 pm

2 stops26h 30m

Belgrade Nikola Tesla

Wed 1/13

6:05 am-2:25 pm

1 stop15h 20m

$789

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Mon 9/14

9:50 pm-4:35 pm

1 stop11h 45m

Belgrade Nikola Tesla

Sat 10/3

2:00 pm-3:10 pm

1 stop32h 10m

$789

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Fri 8/14

8:10 pm-8:10 am

1 stop29h 00m

Belgrade Nikola Tesla

Wed 9/23

8:30 pm-9:40 am

1 stop20h 10m

$789

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Tue 8/18

8:10 pm-8:10 am

1 stop29h 00m

Belgrade Nikola Tesla

Mon 9/28

4:00 pm-9:40 am

1 stop24h 40m

$789

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Mon 9/14

7:05 pm-1:55 pm

1 stop11h 50m

Belgrade Nikola Tesla

Sun 10/4

8:00 pm-3:55 pm

1 stop26h 55m

$789

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Sun 9/13

2:20 pm-7:15 pm

1 stop21h 55m

Belgrade Nikola Tesla

Sun 10/4

8:00 pm-3:55 pm

1 stop26h 55m

$789
Quickest round-trip

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Sat 9/12

5:10 pm-1:20 pm

1 stop13h 10m

Belgrade Nikola Tesla

Mon 10/5

2:00 pm-7:50 pm

1 stop12h 50m

$791

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Belgrade from

How to get the cheapest flight ticket from Illinois to Belgrade

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 Belgrade?

The month of February is, on average, the cheapest month to fly to Belgrade from Illinois, with most prices found around $708. If you are unable to visit Belgrade during the month of February, then departing from Illinois during the month January is also very affordable. Most momondo users find prices during this month for around $743.

What is the cheapest day to depart on your flight to Belgrade?

On average, the least expensive day to fly to Belgrade from Illinois is on a Thursday. momondo users have found tickets for Thursday departures for as low as $871. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,012. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgrade.

What is the cheapest Illinois to Belgrade Nikola Tesla flight route?

Fly from Chicago O'Hare Intl to Belgrade Nikola Tesla for the best Illinois - Belgrade Nikola Tesla flight prices

How far in advance should I book a flight from Illinois to Belgrade?

You are more likely to see cheaper flights to Belgrade from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgrade for around $906 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgrade from Illinois for as low as $783 on momondo.

What cabin class options are available on Illinois to Belgrade flights?

There are 3 cabin classes available to choose from on Illinois to Belgrade 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 Belgrade flights?

No. A direct flight is the cheapest option for a flight between Illinois to Belgrade.

Cheap Illinois to Belgrade flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Belgrade

Best Price Found

$469

Fastest flight time

9h 40m

Direct flights

Tue, Thu and Sun

Airports in Belgrade

1 airport
The best one-way flight to Belgrade from Illinois in the past 72 hours is $469. The best round-trip flight deal from Illinois to Belgrade found on momondo in the last 72 hours is $1,023.
The fastest flight from Illinois to Belgrade takes 9h 40m
Direct flights go from Illinois to Belgrade on Tuesday, Thursday and Sunday. The only airline offering direct flights is Air Serbia.
There is 1 airport in Belgrade. From Illinois there are direct flights to Belgrade Nikola Tesla (BEG).
Search flight deals

Frequently asked questions about flying from Illinois to Belgrade

  • When did momondo last update prices for flights from Illinois to Belgrade Nikola Tesla Airport?

    Prices for flights from Illinois to Belgrade Nikola Tesla Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Illinois to Belgrade Nikola Tesla Airport?

  • How old do you have to be to fly from Illinois to Belgrade Nikola Tesla Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Belgrade Nikola Tesla Airport.

  • What documentation or ID do you need to fly to Belgrade Nikola Tesla Airport?

    The travel and health documents you'll need for your trip to Belgrade Nikola Tesla Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belgrade Nikola Tesla Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Illinois to Belgrade?

Best airlines flying from Illinois to Belgrade

Compare and see reviews for airlines that fly from Illinois to Belgrade with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $520Free CancellationRating
7.4
4,465 reviews
Search Turkish Airlines flights
SWISSPriceFrom $546Free CancellationRating
7.5
2,025 reviews
Search SWISS flights
KLMPriceFrom $547Free CancellationRating
7.8
1,553 reviews
Search KLM flights
DeltaPriceFrom $548Free CancellationRating
7.8
8,484 reviews
Search Delta flights
LOTPriceFrom $557Free CancellationRating
7.6
1,212 reviews
Search LOT flights
United AirlinesPriceFrom $567Free CancellationRating
7.4
10,059 reviews
Search United Airlines flights
Austrian AirlinesPriceFrom $589Free CancellationRating
7.6
951 reviews
Search Austrian Airlines flights
ITA AirwaysPriceFrom $593Free CancellationRating
6.7
1,308 reviews
Search ITA Airways flights
JetBluePriceFrom $717Free CancellationRating
7.1
3,023 reviews
Search JetBlue flights
LufthansaPriceFrom $754Free CancellationRating
6.8
8,177 reviews
Search Lufthansa flights

Traveling to a place near Belgrade?

Book flights to Belgrade if you plan to visit one of these locations
Subotica
Novi Sad

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Belgrade?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Belgrade. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Illinois to Belgrade with flexible booking policies on momondo?

All flight searches from Illinois to Belgrade on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Illinois to Belgrade?

momondo provides multiple filters to help you find the best flight to Belgrade from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Belgrade right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Belgrade now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belgrade and let you know when they change.

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Airports servicing Serbia

Nis Airport