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$361+ Cheap flights from Serbia 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BEG — ORD
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Serbia to Illinois

Keep the following information in mind while searching for Serbia to Illinois flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$637
(oojo)

One-way from

$361
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$739

Good round-trip deal

$874 or less

Good one-way deal

$525 or less
Provider with most accurate pricing for Belgrade Nikola Tesla-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Belgrade Nikola Tesla-Chicago (CHI) flights.
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From Serbia to Illinois
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One-way flight from Serbia to Illinois
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Highest demand for flights based on searches. 7% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Serbia to Illinois.
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Price to beat on a one-way flight from Serbia to Illinois.
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Find flight deals from Serbia to Illinois

Cheapest flights from Serbia to Illinois
Explore the most affordable flight options available from Serbia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This oojo deal was found by Cheapflights users on 4/30. 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.
Sat 5/172:00 pmBEG - ORD
1 stop12h 40mLOT
Sat 6/79:40 pmORD - BEG
1 stop32h 40mLOT
Deal found 4/30$637
This KLM deal was found by Cheapflights users on 4/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/912:35 pmBEG - ORD
1 stop32h 35mKLM
Thu 6/54:20 pmORD - BEG
1 stop23h 35mKLM
Deal found 4/30$665
This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 5/106:00 amBEG - ORD
1 stop15h 10mDelta
Wed 6/1110:18 amORD - BEG
2 stops18h 37mDelta
Deal found 4/29$666
This Delta deal was found by Cheapflights users on 4/29. 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.
Wed 9/176:00 amBEG - MDW
2 stops19h 36mDelta
Wed 9/241:00 pmMDW - BEG
2 stops15h 55mDelta
Deal found 4/29$671
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 5/106:10 amBEG - ORD
2 stops21h 02mUnited Airlines
Tue 6/108:55 amORD - BEG
2 stops20h 40mUnited Airlines
Deal found 4/29$673
This Lufthansa deal was found by Cheapflights users on 4/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:10 amBEG - ORD
1 stop20h 45mLufthansa
Wed 6/116:00 pmORD - BEG
1 stop11h 10mLufthansa
Deal found 4/29$674
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Fri 5/96:10 amBEG - ORD
2 stops21h 02mAir Canada
Mon 6/910:40 amORD - BEG
2 stops22h 05mAir Canada
Deal found 4/30$677
This SWISS deal was found by Cheapflights users on 4/29. 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 5/99:25 amBEG - ORD
1 stop13h 30mSWISS
Sun 6/87:05 pmORD - BEG
1 stop17h 05mSWISS
Deal found 4/29$678
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/106:05 amBEG - ORD
1 stop14h 50mMultiple Airlines
Wed 6/47:05 pmORD - BEG
1 stop11h 55mMultiple Airlines
Deal found 4/30$694
This Austrian Airlines deal was found by Cheapflights users on 4/30. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/117:00 amBEG - ORD
1 stop13h 20mAustrian Airlines
Sat 6/74:05 pmORD - BEG
2 stops24h 30mAustrian Airlines
Deal found 4/30$701
This Turkish Airlines deal was found by Cheapflights users on 4/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/48:25 pmBEG - ORD
1 stop20h 15mTurkish Airlines
Wed 7/1611:25 amORD - BEG
1 stop20h 45mTurkish Airlines
Deal found 4/30$799
This Air France deal was found by Cheapflights users on 4/29. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:00 amBEG - MDW
2 stops18h 19mMultiple Airlines
Tue 5/1312:48 pmMDW - BEG
2 stops16h 37mMultiple Airlines
Deal found 4/29$802

Cheapflights Fare Finder

Customize your flight search to find flights from Serbia 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 May 1, 2025.
Use the filters below to find and compare flights from Serbia to Illinois that are best for you.

Fly from

Serbia

Fly to

Illinois

Route

Depart

Return

Price

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Sat 5/17

2:00 pm-7:40 pm

1 stop12h 40m

Chicago O'Hare Intl

Sat 6/7

9:40 pm-1:20 pm

1 stop32h 40m

$637

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Thu 5/15

6:10 am-2:45 pm

1 stop15h 35m

Chicago O'Hare Intl

Sun 6/1

2:20 pm-7:10 pm

1 stop21h 50m

$655

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Thu 5/15

7:55 pm-12:10 pm

1 stop23h 15m

Chicago O'Hare Intl

Tue 6/3

2:20 pm-8:35 am

1 stop11h 15m

$664

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Fri 9/19

6:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Fri 10/17

4:20 pm-11:55 am

1 stop12h 35m

$665

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Sat 5/10

6:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Sun 5/11

7:25 pm-10:55 pm

2 stops20h 30m

$666

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Tue 5/13

1:30 pm-10:06 pm

2 stops15h 36m

Chicago O'Hare Intl

Tue 6/3

3:10 pm-12:35 pm

1 stop14h 25m

$670

BelgradeChicago

BEG - MDW

BEGMDW

Belgrade Nikola Tesla

Wed 9/17

6:00 am-6:36 pm

2 stops19h 36m

Chicago Midway

Wed 9/24

1:00 pm-11:55 am

2 stops15h 55m

$671

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Thu 8/21

6:10 am-12:55 pm

1 stop13h 45m

Chicago O'Hare Intl

Thu 11/20

9:25 pm-4:45 pm

1 stop12h 20m

$674

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Mon 8/25

6:10 am-11:23 am

2 stops36h 13m

Chicago O'Hare Intl

Fri 11/21

7:20 am-12:55 pm

2 stops22h 35m

$675

BelgradeChicago

BEG - ORD

BEGORD

Belgrade Nikola Tesla

Sun 9/14

7:00 am-1:20 pm

1 stop13h 20m

Chicago O'Hare Intl

Fri 9/26

12:50 pm-5:55 pm

2 stops22h 05m

$686

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 26 results
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Best time to book a flight from Serbia to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Serbia to Illinois (average of $245). Flying from Serbia to Illinois in March is currently the most expensive (average of $321). 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 RS to IL?

Find hourly flight availability from Serbia 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 May 1, 2025.

When flying from Serbia 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.

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 23.0 F).

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 May 1, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and LOT from Serbia to Illinois to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LOT
7.6
Good
1,069 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
China Southern
7.5
Good
96 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Serbia to Illinois. 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 Serbia to Illinois one-way?

    One-way options have recently been found by users for as low as $521 on Air Serbia. Other airlines that offer cheap prices include SWISS from $590 and Turkish Airlines from $605 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Serbia to Illinois (average of $245). Flying from Serbia to Illinois in March is currently the most expensive (average of $321). 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 Serbia to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Serbia to Illinois

Discover the top 9 airlines that operate flights from Serbia 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$323Average$748FlexibilityNo cancel feeOn-timeN/A
LOTCheapest$525Average$684FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$548Average$702FlexibilityNo cancel feeOn-time77%
KLMCheapest$577Average$713FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$602Average$715FlexibilityNo cancel feeOn-time76%
Austrian AirlinesCheapest$603Average$780FlexibilityNo cancel feeOn-time78%
SWISSCheapest$612Average$750FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$618Average$793FlexibilityNo cancel feeOn-time69%
Air SerbiaCheapest$695Average$878FlexibilityNo cancel feeOn-timeN/A

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