HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Zagreb

$265+ Cheap flights from Illinois to Zagreb (ZAG)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ZAG
Jul 21 — Jul 281
Mon 7/21
Mon 7/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Zagreb 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 Zagreb

Keep the following information in mind while searching for Illinois to Zagreb flight deals. Data was last updated July 16, 2025.

Round-trip from

$654
(Air Canada)

One-way from

$265
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$940
From Illinois to Zagreb Franjo Tuđman
Search Deals
One-way flight from Illinois to Zagreb Franjo Tuđman
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($268 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Illinois to Zagreb

Cheapest flights from Illinois to Zagreb
Explore the most affordable flight options available from Illinois to Zagreb. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2025.

This Air Canada deal was found by Cheapflights users on 7/14. 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.
Wed 9/39:15 amSTL - ZAG
2 stops20h 20mAir Canada
Tue 9/236:05 amZAG - STL
2 stops20h 52mAir Canada
Deal found 7/14$654
This Ovago deal was found by Cheapflights users on 7/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/51:16 pmSTL - ZAG
2 stops15h 49mBritish Airways
Wed 8/201:20 pmZAG - STL
2 stops36h 49mBritish Airways
Deal found 7/14$675
This FlightHub deal was found by Cheapflights users on 7/14. 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.
Thu 12/117:20 pmORD - ZAG
1 stop10h 55mMultiple Airlines
Wed 12/318:45 amZAG - ORD
1 stop15h 00mMultiple Airlines
Deal found 7/14$689
This Turkish Airlines deal was found by Cheapflights users on 7/15. 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.
Mon 9/297:50 pmORD - ZAG
2 stops28h 20mTurkish Airlines
Wed 10/81:45 pmZAG - ORD
1 stop26h 55mTurkish Airlines
Deal found 7/15$690
This KLM deal was found by Cheapflights users on 7/14. 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.
Tue 8/55:10 pmORD - ZAG
1 stop21h 30mKLM
Tue 8/194:50 pmZAG - ORD
1 stop28h 50mKLM
Deal found 7/14$696
This Cheapflightsfares deal was found by Cheapflights users on 7/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/302:02 pmORD - ZAG
2 stops15h 33mLufthansa
Fri 8/226:05 amZAG - ORD
2 stops13h 50mLufthansa
Deal found 7/15$697
This United Airlines deal was found by Cheapflights users on 7/16. 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 8/251:30 pmSTL - ZAG
2 stops27h 05mUnited Airlines
Fri 9/56:05 amZAG - STL
2 stops20h 52mUnited Airlines
Deal found 7/16$701
This United Airlines deal was found by Cheapflights users on 7/14. 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.
Wed 9/101:12 pmORD - ZAG
2 stops27h 23mUnited Airlines
Fri 9/266:05 amZAG - ORD
2 stops34h 50mUnited Airlines
Deal found 7/14$713
This Ovago deal was found by Cheapflights users on 7/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/69:15 pmORD - ZAG
1 stop32h 30mBritish Airways
Wed 8/131:20 pmZAG - ORD
1 stop29h 35mBritish Airways
Deal found 7/14$715
This oojo deal was found by Cheapflights users on 7/15. 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.
Sun 11/239:55 pmORD - ZAG
2 stops31h 10mLOT
Tue 12/212:45 pmZAG - ORD
1 stop14h 15mLOT
Deal found 7/15$718
This Gurufare deal was found by Cheapflights users on 7/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:30 pmSTL - ZAG
2 stops23h 05mLufthansa
Fri 8/296:05 amZAG - STL
1 stop14h 25mLufthansa
Deal found 7/14$718
This Mytrip deal was found by Cheapflights users on 7/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:30 pmSTL - ZAG
2 stops23h 05mMultiple Airlines
Fri 8/296:05 amZAG - STL
2 stops44h 55mMultiple Airlines
Deal found 7/14$721

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Zagreb 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 July 16, 2025.
Use the filters below to find and compare flights from Illinois to Zagreb that are best for you.

Fly from

Illinois

Fly to

Zagreb

Route

Depart

Return

Price

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Wed 9/3

9:15 am-12:35 pm

2 stops20h 20m

Zagreb Franjo Tuđman

Tue 9/23

6:05 am-7:57 pm

2 stops20h 52m

$654

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Tue 8/5

1:16 pm-12:05 pm

2 stops15h 49m

Zagreb Franjo Tuđman

Wed 8/20

1:20 pm-7:09 pm

2 stops36h 49m

$675

ChicagoZagreb

ORD - ZAG

ORDZAG

Chicago O'Hare Intl

Tue 8/5

7:50 pm-1:45 am

1 stop22h 55m

Zagreb Franjo Tuđman

Mon 8/25

8:20 pm-9:40 am

1 stop20h 20m

$687

ChicagoZagreb

ORD - ZAG

ORDZAG

Chicago O'Hare Intl

Thu 12/11

7:20 pm-1:15 pm

1 stop10h 55m

Zagreb Franjo Tuđman

Wed 12/31

8:45 am-4:45 pm

1 stop15h 00m

$689

ChicagoZagreb

ORD - ZAG

ORDZAG

Chicago O'Hare Intl

Tue 8/5

5:10 pm-9:40 pm

1 stop21h 30m

Zagreb Franjo Tuđman

Tue 8/19

4:50 pm-2:40 pm

1 stop28h 50m

$696

ChicagoZagreb

ORD - ZAG

ORDZAG

Chicago O'Hare Intl

Wed 7/30

2:02 pm-12:35 pm

2 stops15h 33m

Zagreb Franjo Tuđman

Fri 8/22

6:05 am-12:55 pm

2 stops13h 50m

$697

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Mon 8/25

1:30 pm-11:35 pm

2 stops27h 05m

Zagreb Franjo Tuđman

Fri 9/5

6:05 am-7:57 pm

2 stops20h 52m

$701

ChicagoZagreb

ORD - ZAG

ORDZAG

Chicago O'Hare Intl

Wed 9/10

1:12 pm-11:35 pm

2 stops27h 23m

Zagreb Franjo Tuđman

Fri 9/26

6:05 am-9:55 am

2 stops34h 50m

$713

ChicagoZagreb

ORD - ZAG

ORDZAG

Chicago O'Hare Intl

Wed 8/6

9:15 pm-12:45 pm

1 stop32h 30m

Zagreb Franjo Tuđman

Wed 8/13

1:20 pm-11:55 am

1 stop29h 35m

$715

ChicagoZagreb

ORD - ZAG

ORDZAG

Chicago O'Hare Intl

Sun 11/23

9:55 pm-12:05 pm

2 stops31h 10m

Zagreb Franjo Tuđman

Tue 12/2

12:45 pm-8:00 pm

1 stop14h 15m

$718

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

Showing 1-10 of 27 results
1
2
3

Best time to book a flight from Illinois to Zagreb

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

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Zagreb (average of $641). Flying from Illinois to Zagreb in June is currently the most expensive (average of $1,263). 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 ZAG?

Find hourly flight availability from Illinois to Zagreb. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 16, 2025.

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

Reviews of airlines servicing Zagreb

Get insights into the airlines that provide service to Zagreb. 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 Zagreb. Reviews last updated July 16, 2025.
See what other customers who have flown with Delta, KLM, and LOT from Illinois to Zagreb have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,372 reviews
Delta
8.0
Very good
7,957 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LOT
7.6
Good
1,099 reviews
Delta
8.0
Very good
7,957 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,466 reviews
Delta
8.0
Very good
7,957 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,863 reviews
Delta
8.0
Very good
7,957 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What airport do you fly into for flights to Zagreb from Illinois?

    For a flight from Illinois to Zagreb, you will be flying into Franjo Tuđman. Zagreb Franjo Tuđman (ZAG) is just 6.7 mi from the center of the city.

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

    One-way options have recently been found by users for as low as $433 on Turkish Airlines. Other airlines that offer cheap prices include Delta from $487 and Air France from $506 one-way.

  • What are the most popular routes from Illinois to Zagreb?

    The most popular flight routes from Illinois to Zagreb are Chicago O'Hare Intl - Zagreb Franjo Tuđman, Chicago Midway - Zagreb Franjo Tuđman and Lambert-St Louis - Zagreb Franjo Tuđman.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Zagreb (average of $641). Flying from Illinois to Zagreb in June is currently the most expensive (average of $1,263). 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

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

Alternative routes for Illinois to Zagreb

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Dubrovnik flights
John F Kennedy Intl to Dubrovnik flights
John F Kennedy Intl to Split flights
Newark to Split flights
LaGuardia to Dubrovnik flights
O'Hare Intl to Dubrovnik flights
LaGuardia to Split flights
John F Kennedy Intl to Zagreb flights
O'Hare Intl to Zagreb flights
Newark to Zagreb flights
Boston to Dubrovnik flights
Dulles Intl to Dubrovnik flights
LaGuardia to Zagreb flights
Los Angeles to Split flights
O'Hare Intl to Split flights
Dulles Intl to Split flights
Los Angeles to Dubrovnik flights
Boston to Split flights
San Francisco to Dubrovnik flights
John F Kennedy Intl to Pula flights
San Francisco to Zagreb flights
Reagan-National to Dubrovnik flights
Baltimore to Split flights
Baltimore to Dubrovnik flights
Reagan-National to Split flights
Los Angeles to Zagreb flights
Seattle to Split flights
Boston to Zagreb flights
Dulles Intl to Zagreb flights
John F Kennedy Intl to Rijeka flights
Atlanta to Zagreb flights
Seattle to Dubrovnik flights
San Francisco to Split flights
John F Kennedy Intl to Zadar flights
Seattle to Zagreb flights
Detroit to Dubrovnik flights
Midway to Zagreb flights
Denver to Dubrovnik flights
Dallas/Fort Worth to Zagreb flights
Hobby to Dubrovnik flights
Minneapolis to Split flights
Ontario to Zagreb flights
Sky Harbor Intl to Zagreb flights
Dallas/Fort Worth to Dubrovnik flights
Newark to Zadar flights
Denver to Split flights
Miami to Zagreb flights
Baltimore to Zagreb flights
Charlotte to Dubrovnik flights
Minneapolis to Zagreb flights

Top 10 airlines flying from Illinois to Zagreb

Discover the top 10 airlines that operate flights from Illinois to Zagreb. 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 July 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$486Average$662FlexibilityNo cancel feeOn-time78%
Turkish AirlinesCheapest$555Average$745FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$556Average$888FlexibilityNo cancel feeOn-time70%
LOTCheapest$569Average$907FlexibilityNo cancel feeOn-time81%
KLMCheapest$584Average$840FlexibilityNo cancel feeOn-time75%
DeltaCheapest$597Average$897FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$618Average$967FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$624Average$962FlexibilityNo cancel feeOn-time76%
Air SerbiaCheapest$625Average$913FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$847Average$948FlexibilityNo cancel feeOn-time77%

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.