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 ($444), and SWISS ($470).

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

To save on the cost of your flight from Illinois to Serbia, book at least 56 days before your planned departure. Booking around this time can save you about 26% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $772 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $953.

What is the cheapest month to fly from Illinois to Serbia?

January can be a great time to fly to Serbia from Illinois with a flight ticket averaging about $805. Cheapflights users have found deals in the month of January for as cheap as $502. The most expensive prices can be found in the month of June.

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.

$792+ Flights from Illinois to Serbia - Compare & Save Big

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Illinois to Serbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Serbia

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$628 (Justfly.com)
One-way from	$312 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$1,004
Good round-trip deal	$827 or less
Good one-way deal	$407 or less

Provider with most accurate pricing for Chicago (CHI)-Belgrade Nikola Tesla flight deals.

Search Deals

Provider most trusted by Cheapflights users for Chicago (CHI)-Belgrade Nikola Tesla flights.

Search Deals

From Illinois to Serbia

Search Deals

One-way flight from Illinois to Serbia

Search Deals

Highest demand for flights based on searches. 25% potential increase in price ($272 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Price to beat on a round-trip flight from Illinois to Serbia.

Search Deals

Price to beat on a one-way flight from Illinois to Serbia.

Search Deals

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 May 1, 2025.

Mon 7/211:30 pmSTL - BEG

2 stops16h 05mAir Canada

Thu 8/216:10 amBEG - STL

2 stops20h 50mAir Canada

Deal found 4/30

$628

Wed 7/231:42 pmSTL - BEG

2 stops16h 28mUnited Airlines

Thu 8/216:10 amBEG - STL

2 stops20h 50mUnited Airlines

Deal found 4/30

$632

Wed 7/2310:30 amSTL - BEG

2 stops18h 25mDelta

Fri 8/226:00 amBEG - STL

2 stops17h 47mDelta

Deal found 4/30

$680

Sat 8/211:45 pmORD - BEG

1 stop25h 45mTurkish Airlines

Sat 9/612:50 amBEG - ORD

1 stop15h 50mTurkish Airlines

Deal found 4/29

$686

Sat 8/27:15 pmORD - BEG

1 stop20h 15mMultiple Airlines

Sat 8/306:30 amBEG - ORD

1 stop16h 40mMultiple Airlines

Deal found 4/29

$692

Sun 7/209:40 pmORD - BEG

1 stop11h 55mLOT

Wed 8/205:15 pmBEG - ORD

1 stop26h 05mLOT

Deal found 4/30

$708

Tue 7/222:20 pmORD - BEG

1 stop11h 15mSWISS

Tue 8/199:25 amBEG - ORD

1 stop13h 30mSWISS

Deal found 4/30

$732

Mon 7/215:30 pmSTL - BEG

2 stops15h 55mLufthansa

Fri 8/226:10 amBEG - STL

1 stop14h 20mLufthansa

Deal found 4/30

$759

Wed 7/302:02 pmORD - BEG

2 stops15h 13mLufthansa

Tue 8/196:10 amBEG - ORD

1 stop13h 45mLufthansa

Deal found 4/30

$784

Mon 8/41:05 pmORD - BEG

2 stops16h 30mUnited Airlines

Tue 8/196:10 amBEG - ORD

1 stop20h 45mUnited Airlines

Deal found 4/30

$786

Tue 7/227:15 amORD - BEG

2 stops26h 10mAir Canada

Wed 8/201:40 pmBEG - ORD

2 stops26h 29mAir Canada

Deal found 4/30

$792

Wed 10/2911:55 pmORD - BEG

Nonstop9h 30mAir Serbia

Wed 11/125:20 pmBEG - ORD

Nonstop10h 50mAir Serbia

Deal found 4/29

$797

Best flights from Illinois to Serbia
Discover carefully curated flight deals from Illinois to Serbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Mon 7/211:30 pmSTL - BEG

2 stops16h 05mAir Canada

Thu 8/216:10 amBEG - STL

2 stops20h 50mAir Canada

Deal found 4/30

$628

Wed 7/231:42 pmSTL - BEG

2 stops16h 28mUnited Airlines

Thu 8/216:10 amBEG - STL

2 stops20h 50mUnited Airlines

Deal found 4/30

$632

Wed 7/2310:30 amSTL - BEG

2 stops18h 25mDelta

Fri 8/226:00 amBEG - STL

2 stops17h 47mDelta

Deal found 4/30

$680

Sat 8/211:45 pmORD - BEG

1 stop25h 45mTurkish Airlines

Sat 9/612:50 amBEG - ORD

1 stop15h 50mTurkish Airlines

Deal found 4/29

$686

Sat 8/27:15 pmORD - BEG

1 stop20h 15mMultiple Airlines

Sat 8/306:30 amBEG - ORD

1 stop16h 40mMultiple Airlines

Deal found 4/29

$692

Sun 7/209:40 pmORD - BEG

1 stop11h 55mLOT

Wed 8/205:15 pmBEG - ORD

1 stop26h 05mLOT

Deal found 4/30

$708

Tue 7/222:20 pmORD - BEG

1 stop11h 15mSWISS

Tue 8/199:25 amBEG - ORD

1 stop13h 30mSWISS

Deal found 4/30

$732

Mon 7/215:30 pmSTL - BEG

2 stops15h 55mLufthansa

Fri 8/226:10 amBEG - STL

1 stop14h 20mLufthansa

Deal found 4/30

$759

Fri 7/2511:23 amSTL - BEG

2 stops17h 52mKLM

Wed 8/136:00 amBEG - STL

2 stops17h 45mKLM

Deal found 4/28

$814

Tue 8/51:05 pmORD - BEG

2 stops27h 30mAustrian Airlines

Thu 8/147:00 amBEG - ORD

1 stop13h 20mAustrian Airlines

Deal found 4/30

$862

Mon 9/16:50 pmORD - BEG

Nonstop9h 40mJetBlue

Mon 9/151:00 pmBEG - ORD

Nonstop10h 40mJetBlue

Deal found 4/30

$897

Mon 7/286:50 pmORD - BEG

Nonstop9h 40mAir Serbia

Sat 10/45:20 pmBEG - ORD

Nonstop10h 40mAir Serbia

Deal found 4/30

$928

Last-minute flights from Illinois to Serbia
Discover last-minute flight deals from Illinois to Serbia. Data last updated May 1, 2025 and is based on user searches.

Sun 5/47:50 pmORD - BEG

1 stop36h 20mTurkish Airlines

Thu 6/58:25 pmBEG - ORD

1 stop20h 15mTurkish Airlines

Deal found 4/30

$847

Sun 5/42:25 pmORD - BEG

2 stops19h 00mLufthansa

Sun 6/16:10 amBEG - ORD

1 stop13h 45mLufthansa

Deal found 4/30

$994

Mon 5/51:16 pmMDW - BEG

2 stops15h 39mDelta

Mon 5/196:00 amBEG - MDW

2 stops19h 45mDelta

Deal found 4/30

$1,032

Mon 5/56:35 pmORD - INI

2 stops16h 15mMultiple Airlines

Mon 5/1210:45 pmINI - ORD

3 stops46h 40mMultiple Airlines

Deal found 4/30

$1,068

Mon 5/53:43 pmSTL - BEG

2 stops20h 52mTurkish Airlines

Thu 5/2912:50 amBEG - STL

2 stops28h 55mTurkish Airlines

Deal found 4/29

$1,283

Mon 5/54:20 pmORD - BEG

1 stop18h 35mAustrian Airlines

Mon 5/196:30 pmBEG - ORD

1 stop25h 50mAustrian Airlines

Deal found 4/30

$860

Wed 5/78:40 amORD - BEG

2 stops21h 30mAir Canada

Mon 5/196:10 amBEG - ORD

2 stops32h 52mAir Canada

Deal found 4/30

$912

Wed 5/77:50 pmORD - BEG

1 stop26h 20mTurkish Airlines

Thu 5/1512:50 amBEG - ORD

1 stop15h 50mTurkish Airlines

Deal found 4/30

$1,250

Wed 5/74:30 pmORD - BEG

Nonstop9h 40mJetBlue

Sat 5/245:20 pmBEG - ORD

Nonstop10h 40mJetBlue

Deal found 4/30

$1,272

Wed 5/710:50 amORD - BEG

2 stops17h 55mMultiple Airlines

Fri 5/167:00 amBEG - ORD

2 stops18h 36mMultiple Airlines

Deal found 4/29

$791

Thu 5/85:10 pmORD - BEG

2 stops37h 10mLOT

Wed 5/142:00 pmBEG - ORD

1 stop32h 10mLOT

Deal found 4/29

$955

Sat 5/1010:50 amORD - BEG

2 stops28h 25mMultiple Airlines

Mon 5/197:00 amBEG - ORD

2 stops21h 54mMultiple Airlines

Deal found 4/30

$811

One-way flights from Illinois to Serbia
Search for one-way flight options from Illinois to Serbia. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Mon 9/17:25 pmORD - BEG

3 stops23h 00mMultiple Airlines

Deal found 4/30

$312

Wed 8/2011:45 pmORD - BEG

1 stop32h 25mTurkish Airlines

Deal found 4/30

$402

Thu 6/59:40 amMDW - BEG

3 stops41h 45mMultiple Airlines

Deal found 4/30

$423

Mon 9/86:50 pmORD - BEG

Nonstop9h 40mAir Serbia

Deal found 4/30

$444

Tue 5/62:20 pmORD - BEG

1 stop16h 40mSWISS

Deal found 4/30

$470

Sun 5/114:20 pmORD - BEG

1 stop18h 35mAustrian Airlines

Deal found 4/30

$471

Tue 5/61:55 pmORD - BEG

2 stops19h 30mAir Canada

Deal found 4/30

$474

Thu 7/318:00 amORD - BEG

2 stops21h 40mUnited Airlines

Deal found 4/30

$481

Mon 8/111:05 pmMDW - BEG

2 stops15h 50mDelta

Deal found 4/30

$500

Wed 10/17:30 amORD - BEG

2 stops20h 30mITA Airways

Deal found 4/30

$558

Wed 6/42:20 pmSTL - BEG

2 stops16h 40mMultiple Airlines

Deal found 4/30

$834

Thu 6/59:40 pmORD - BEG

1 stop32h 40mLOT

Deal found 4/30

$877

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Serbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Mon 7/21

1:30 pm-12:35 pm

2 stops16h 05m

Belgrade Nikola Tesla

Thu 8/21

6:10 am-8:00 pm

2 stops20h 50m

$628

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 7/23

1:42 pm-1:10 pm

2 stops16h 28m

Belgrade Nikola Tesla

Thu 8/21

6:10 am-8:00 pm

2 stops20h 50m

$632

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 7/23

10:30 am-11:55 am

2 stops18h 25m

Belgrade Nikola Tesla

Fri 8/22

6:00 am-4:47 pm

2 stops17h 47m

$680

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Sat 8/2

11:45 pm-8:30 am

1 stop25h 45m

Belgrade Nikola Tesla

Sat 9/6

12:50 am-9:40 am

1 stop15h 50m

$686

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Sat 8/2

7:15 pm-10:30 pm

1 stop20h 15m

Belgrade Nikola Tesla

Sat 8/30

6:30 am-4:10 pm

1 stop16h 40m

$692

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Sun 7/20

9:40 pm-4:35 pm

1 stop11h 55m

Belgrade Nikola Tesla

Wed 8/20

5:15 pm-12:20 pm

1 stop26h 05m

$708

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Tue 7/22

2:20 pm-8:35 am

1 stop11h 15m

Belgrade Nikola Tesla

Tue 8/19

9:25 am-3:55 pm

1 stop13h 30m

$732

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Mon 7/21

5:30 pm-4:25 pm

2 stops15h 55m

Belgrade Nikola Tesla

Fri 8/22

6:10 am-1:30 pm

1 stop14h 20m

$759

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Wed 7/30

2:02 pm-12:15 pm

2 stops15h 13m

Belgrade Nikola Tesla

Tue 8/19

6:10 am-12:55 pm

1 stop13h 45m

$784

ChicagoBelgrade

ORD - BEG

ORDBEG

Chicago O'Hare Intl

Mon 8/4

1:05 pm-12:35 pm

2 stops16h 30m

Belgrade Nikola Tesla

Tue 8/19

6:10 am-7:55 pm

1 stop20h 45m

$786

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 35 results

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 $1,161). 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?

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

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

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 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

7,934 reviews

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

7,934 reviews

Delta

8.0

Very good

7,934 reviews

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

1,334 reviews

Delta

8.0

Very good

7,934 reviews

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

1,069 reviews

Delta

8.0

Very good

7,934 reviews

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

781 reviews

Delta

8.0

Very good

7,934 reviews

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

1,588 reviews

Delta

8.0

Very good

7,934 reviews

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

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 ($444), and SWISS ($470).
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 $1,161). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Illinois to Serbia

John F Kennedy Intl to Heathrow flights

John F Kennedy Intl to Charles de Gaulle flights

Newark to Heathrow flights

John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights

Newark to Charles de Gaulle flights

John F Kennedy Intl to Gatwick flights

Newark to Leonardo da Vinci/Fiumicino flights

Newark to Athens flights

John F Kennedy Intl to Lisbon flights

LaGuardia to Heathrow flights

John F Kennedy Intl to Istanbul flights

John F Kennedy Intl to Athens flights

John F Kennedy Intl to Orly flights

Boston to Heathrow flights

Los Angeles to Heathrow flights

John F Kennedy Intl to Barcelona-El Prat flights

John F Kennedy Intl to London City flights

Dulles Intl to Heathrow flights

Miami to Madrid flights

Newark to Barcelona-El Prat flights

Newark to Lisbon flights

San Francisco to Heathrow flights

Newark to Gatwick flights

Newark to Orly flights

LaGuardia to Charles de Gaulle flights

John F Kennedy Intl to Madrid flights

John F Kennedy Intl to Malpensa flights

O'Hare Intl to Heathrow flights

Dallas/Fort Worth to Heathrow flights

Seattle to Heathrow flights

O'Hare Intl to Leonardo da Vinci/Fiumicino flights

Newark to Dublin flights

John F Kennedy Intl to Dublin flights

Dulles Intl to Charles de Gaulle flights

Newark to Madrid flights

O'Hare Intl to Charles de Gaulle flights

Boston to Leonardo da Vinci/Fiumicino flights

O'Hare Intl to Athens flights

Baltimore to Heathrow flights

Dallas/Fort Worth to Charles de Gaulle flights

Boston to Charles de Gaulle flights

LaGuardia to Gatwick flights

LaGuardia to Leonardo da Vinci/Fiumicino flights

Dulles Intl to Leonardo da Vinci/Fiumicino flights

Newark to Malpensa flights

LaGuardia to Athens flights

Boston to Gatwick flights

Atlanta to Heathrow flights

San Francisco to Charles de Gaulle flights

Newark to Frankfurt flights

Top 10 airlines flying from Illinois to Serbia

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	Cheapest$515	Average$602	FlexibilityNo cancel fee	On-time77%
Air France	Cheapest$517	Average$955	FlexibilityNo cancel fee	On-time77%
SWISS	Cheapest$533	Average$901	FlexibilityNo cancel fee	On-time79%
JetBlue	Cheapest$542	Average$1,203	FlexibilityNo cancel fee	On-time62%
Lufthansa	Cheapest$558	Average$934	FlexibilityNo cancel fee	On-time76%
LOT	Cheapest$567	Average$785	FlexibilityNo cancel fee	On-time81%
United Airlines	Cheapest$582	Average$834	FlexibilityNo cancel fee	On-time69%
Austrian Airlines	Cheapest$589	Average$830	FlexibilityNo cancel fee	On-time78%
Delta	Cheapest$590	Average$978	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$591	Average$851	FlexibilityNo cancel fee	On-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$312+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Serbia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Illinois to Serbia

Cheapest flights from Illinois to SerbiaExplore 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 May 1, 2025.

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 May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Serbia that are best for you.

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.

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?

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 May 1, 2025.

Rainfall in Serbia by month

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

Temperature in Serbia by month

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

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 May 1, 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.

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?

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

How can I find direct flights from Illinois to Serbia?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Serbia

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Illinois to Serbia

100% Free

Book with Flexibility

Travel Smart

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 May 1, 2025.