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$303+ Cheap flights from Illinois to Serbia

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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BEG
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from Illinois to Serbia

Keep the following information in mind while searching for Illinois to Serbia flight deals. Data was last updated April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$681
(Condor)

One-way from

$303
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$769

Good round-trip deal

$857 or less

Good one-way deal

$399 or less
Provider with most accurate pricing for Chicago (CHI)-Belgrade Nikola Tesla flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Belgrade Nikola Tesla flights.
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From Illinois to Serbia
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One-way flight from Illinois to Serbia
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Highest demand for flights based on searches. 25% potential increase in price ($271 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Illinois to Serbia.
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Price to beat on a one-way flight from Illinois to Serbia.
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Find flight deals from Illinois to Serbia

Cheapest flights from Illinois to Serbia
Explore the most affordable flight options available from Illinois to Serbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This FlightHub deal was found by Cheapflights users on 4/23. 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.
Mon 10/2011:25 amORD - BEG
1 stop14h 05mTurkish Airlines
Sun 11/212:45 amBEG - ORD
1 stop24h 40mTurkish Airlines
Deal found 4/23$666
This LOT deal was found by Cheapflights users on 4/24. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/209:40 pmORD - BEG
1 stop11h 55mLOT
Sat 8/232:00 pmBEG - ORD
1 stop29h 05mLOT
Deal found 4/24$672
This Condor deal was found by Cheapflights users on 4/23. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:15 amORD - BEG
2 stops22h 30mMultiple Airlines
Wed 5/147:00 amBEG - ORD
2 stops21h 54mMultiple Airlines
Deal found 4/23$681
This SWISS deal was found by Cheapflights users on 4/24. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/252:20 pmORD - BEG
1 stop11h 15mSWISS
Tue 8/197:55 pmBEG - ORD
1 stop27h 00mSWISS
Deal found 4/24$811
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/84:20 pmORD - BEG
1 stop23h 35mDelta
Thu 8/216:00 amBEG - ORD
1 stop15h 10mDelta
Deal found 4/22$820
This Priceline deal was found by Cheapflights users on 4/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/43:35 pmORD - BEG
2 stops17h 50mAir Canada
Mon 8/256:10 amBEG - ORD
2 stops21h 06mAir Canada
Deal found 4/23$821
This United Airlines deal was found by Cheapflights users on 4/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/258:40 amORD - BEG
2 stops21h 15mUnited Airlines
Fri 8/221:40 pmBEG - ORD
1 stop13h 15mUnited Airlines
Deal found 4/24$823
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/49:30 amMDW - BEG
2 stops19h 25mDelta
Sat 8/236:00 amBEG - MDW
2 stops19h 03mDelta
Deal found 4/23$835
This Air Serbia deal was found by Cheapflights users on 4/23. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1611:20 pmORD - BEG
Nonstop9h 40mAir Serbia
Wed 9/1710:45 amBEG - ORD
Nonstop10h 40mAir Serbia
Deal found 4/23$838
This Air Canada deal was found by Cheapflights users on 4/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/197:30 amSTL - BEG
2 stops25h 55mMultiple Airlines
Mon 9/157:55 pmBEG - STL
2 stops30h 38mMultiple Airlines
Deal found 4/22$843
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/197:30 amSTL - BEG
2 stops22h 05mUnited Airlines
Wed 9/176:10 amBEG - STL
2 stops20h 47mUnited Airlines
Deal found 4/23$846
This Air Canada deal was found by Cheapflights users on 4/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/187:30 amSTL - BEG
2 stops21h 45mAir Canada
Fri 9/126:10 amBEG - STL
2 stops40h 08mAir Canada
Deal found 4/22$849

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Serbia 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 April 24, 2025.
Use the filters below to find and compare flights from Illinois to Serbia that are best for you.

Fly from

Illinois

Fly to

Serbia

Route

Depart

Return

Price

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Mon 10/20

11:25 am-8:30 am

1 stop14h 05m

Belgrade Nikola Tesla

Sun 11/2

12:45 am-6:25 pm

1 stop24h 40m

$666

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Sun 7/20

9:40 pm-4:35 pm

1 stop11h 55m

Belgrade Nikola Tesla

Sat 8/23

2:00 pm-12:05 pm

1 stop29h 05m

$672

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Wed 5/7

6:15 am-11:45 am

2 stops22h 30m

Belgrade Nikola Tesla

Wed 5/14

7:00 am-9:54 pm

2 stops21h 54m

$681

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Fri 7/25

2:20 pm-8:35 am

1 stop11h 15m

Belgrade Nikola Tesla

Tue 8/19

7:55 pm-3:55 pm

1 stop27h 00m

$811

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Fri 8/8

4:20 pm-10:55 pm

1 stop23h 35m

Belgrade Nikola Tesla

Thu 8/21

6:00 am-2:10 pm

1 stop15h 10m

$820

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Mon 8/4

3:35 pm-4:25 pm

2 stops17h 50m

Belgrade Nikola Tesla

Mon 8/25

6:10 am-8:16 pm

2 stops21h 06m

$821

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Fri 7/25

8:40 am-12:55 pm

2 stops21h 15m

Belgrade Nikola Tesla

Thu 8/21

6:10 am-7:55 pm

1 stop20h 45m

$823

ChicagoBelgrade

MDW - BEG

MDWBEG

Chicago Midway

Mon 8/4

9:30 am-11:55 am

2 stops19h 25m

Belgrade Nikola Tesla

Sat 8/23

6:00 am-6:03 pm

2 stops19h 03m

$835

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Sat 8/16

11:20 pm-4:00 pm

Nonstop9h 40m

Belgrade Nikola Tesla

Wed 9/17

10:45 am-2:25 pm

Nonstop10h 40m

$838

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Mon 5/19

7:30 am-4:25 pm

2 stops25h 55m

Belgrade Nikola Tesla

Mon 9/15

7:55 pm-7:33 pm

2 stops30h 38m

$843

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 30 results
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Best time to book a flight from Illinois to Serbia

Have a flexible travel schedule? Discover the best time to fly to Serbia 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 Serbia

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Serbia (average of $688). Flying from Illinois to Serbia in June is currently the most expensive (average of $1,186). 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 RS?

Find hourly flight availability from Illinois to Serbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Serbia as you normally would.

Rainfall in Serbia by month

Plan your trip to Serbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Serbia ranges from 1.6 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Serbia when rainfall is around 1.6 in.

Temperature in Serbia by month

Plan your trip to Serbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Serbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Serbia

Get insights into the airlines that provide service to Serbia. 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 Serbia. Reviews last updated April 24, 2025.
Get a feel of what it's like to fly with Delta, KLM and LOT from Illinois to Serbia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,066 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Serbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The cheapest airlines for a one-way flight from Illinois to Serbia are Turkish Airlines ($402), Air Serbia ($445), and Air Canada ($495).

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Illinois to Serbia (average of $688). Flying from Illinois to Serbia in June is currently the most expensive (average of $1,186). 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

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Alternative routes for Illinois to Serbia

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 Serbia

Discover the top 10 airlines that operate flights from Illinois to Serbia. 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$515Average$602FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$517Average$955FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$542Average$1,203FlexibilityNo cancel feeOn-time62%
SWISSCheapest$543Average$908FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$556Average$838FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$556Average$932FlexibilityNo cancel feeOn-time76%
LOTCheapest$567Average$788FlexibilityNo cancel feeOn-time81%
Austrian AirlinesCheapest$588Average$823FlexibilityNo cancel feeOn-time78%
DeltaCheapest$590Average$986FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$591Average$855FlexibilityNo cancel feeOn-time75%

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