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Zagreb

$560+ Cheap flights from Illinois to Zagreb (ZAG)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ZAG
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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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 November 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$560
(Delta)

Popular in

June

Cheapest in

January

Average price

$634
Provider with most accurate pricing for Chicago (CHI)-Zagreb Franjo Tuđman flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Zagreb Franjo Tuđman flights.
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From Illinois to Zagreb Franjo Tuđman
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Highest demand for flights based on searches. 25% potential increase in price ($256 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 4, 2025.

This CrystalTravel deal was found by Cheapflights users on 11/3. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:50 pmORD - ZAG
1 stop11h 05mLufthansa
Wed 11/262:25 pmZAG - ORD
1 stop12h 40mLufthansa
Deal found 11/3$606
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:55 pmORD - ZAG
1 stop31h 10mLOT
Thu 12/1812:45 pmZAG - ORD
1 stop14h 15mLOT
Deal found 11/2$608
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:50 pmORD - ZAG
1 stop14h 00mMultiple Airlines
Fri 12/196:35 amZAG - ORD
1 stop14h 25mMultiple Airlines
Deal found 11/2$613
This Gotogate deal was found by Cheapflights users on 11/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:55 pmORD - ZAG
1 stop31h 10mLOT
Fri 1/1612:45 pmZAG - ORD
1 stop14h 15mLOT
Deal found 11/4$618
This oojo deal was found by Cheapflights users on 11/2. 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.
Mon 11/179:55 pmORD - ZAG
1 stop31h 10mLOT
Tue 12/26:00 pmZAG - ORD
1 stop33h 00mLOT
Deal found 11/2$625
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1010:36 amORD - ZAG
2 stops19h 39mMultiple Airlines
Sat 12/138:45 amZAG - ORD
1 stop15h 00mMultiple Airlines
Deal found 11/4$627
This Gotogate deal was found by Cheapflights users on 11/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:50 pmORD - ZAG
1 stop11h 05mMultiple Airlines
Wed 11/262:25 pmZAG - ORD
2 stops25h 48mMultiple Airlines
Deal found 11/3$632
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1010:36 amORD - ZAG
2 stops19h 39mMultiple Airlines
Sun 12/218:45 amZAG - ORD
1 stop15h 00mMultiple Airlines
Deal found 11/2$633
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Thu 12/43:55 pmORD - ZAG
2 stops14h 00mMultiple Airlines
Thu 12/116:25 amZAG - ORD
2 stops19h 00mMultiple Airlines
Deal found 11/4$641
This CheapOair deal was found by Cheapflights users on 11/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/19:50 pmORD - ZAG
1 stop11h 05mMultiple Airlines
Tue 12/96:15 amZAG - ORD
2 stops15h 40mMultiple Airlines
Deal found 11/3$644
This Scandinavian Airlines deal was found by Cheapflights users on 11/4. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1010:36 amORD - ZAG
2 stops19h 39mMultiple Airlines
Mon 1/198:45 amZAG - ORD
1 stop15h 00mMultiple Airlines
Deal found 11/4$645
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Tue 11/46:43 pmSTL - ZAG
2 stops14h 12mLufthansa
Tue 11/111:35 pmZAG - STL
2 stops17h 07mLufthansa
Deal found 11/3$645

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 November 4, 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

Sun 1/25

10:19 am-2:35 pm

2 stops21h 16m

Zagreb Franjo Tuđman

Tue 2/10

6:30 am-11:25 pm

2 stops23h 55m

$560

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Sun 1/25

10:19 am-2:35 pm

2 stops21h 16m

Zagreb Franjo Tuđman

Fri 2/6

3:05 pm-8:45 pm

2 stops36h 40m

$560

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Sun 1/25

6:35 am-2:35 pm

2 stops25h 00m

Zagreb Franjo Tuđman

Thu 2/5

6:30 am-11:25 pm

2 stops23h 55m

$560

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Sun 1/25

6:35 am-2:35 pm

2 stops25h 00m

Zagreb Franjo Tuđman

Mon 2/9

6:30 am-8:45 pm

2 stops21h 15m

$560

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Sun 1/25

3:50 pm-2:00 pm

1 stop15h 10m

Zagreb Franjo Tuđman

Sat 2/7

2:35 pm-3:29 pm

2 stops31h 54m

$564

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Sun 1/25

3:50 pm-2:00 pm

1 stop15h 10m

Zagreb Franjo Tuđman

Mon 2/9

9:50 am-10:58 pm

2 stops20h 08m

$571

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Sun 1/25

3:50 pm-2:00 pm

1 stop15h 10m

Zagreb Franjo Tuđman

Thu 2/5

6:10 am-11:59 pm

2 stops24h 49m

$573

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Sun 1/25

3:50 pm-2:00 pm

1 stop15h 10m

Zagreb Franjo Tuđman

Wed 2/11

6:15 am-11:59 pm

2 stops24h 44m

$573

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Sun 1/25

3:50 pm-2:00 pm

1 stop15h 10m

Zagreb Franjo Tuđman

Tue 2/10

6:15 am-4:03 pm

2 stops16h 48m

$573

ChicagoZagreb

ORD - ZAG

ORDZAG

Chicago O'Hare Intl

Mon 1/12

10:24 am-1:15 pm

2 stops19h 51m

Zagreb Franjo Tuđman

Sat 1/31

8:45 am-8:53 pm

2 stops19h 08m

$586

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 30 results
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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, February is the cheapest month in which you can book a flight from Illinois to Zagreb (average of $520). Flying from Illinois to Zagreb in June is currently the most expensive (average of $926). 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 November 4, 2025.

It’s optimal to fly from Illinois to Zagreb in the evening. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Illinois to Zagreb?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Zagreb. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Zagreb flight should consider departing on Thursday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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.

  • How long is the flight from Illinois to Zagreb?

    Airlines like Delta and United Airlines fly from Illinois to Zagreb in about 15h 10m. The time it takes to get you to your destination can typically vary by up to 6h 06m. The distance between Illinois and Zagreb is about 5032 mi. This flight may include one or multiple stops.

  • 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, February is the cheapest month in which you can book a flight from Illinois to Zagreb (average of $520). Flying from Illinois to Zagreb in June is currently the most expensive (average of $926). 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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Top 8 airlines flying from Illinois to Zagreb

Discover the top 8 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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$546Average$674FlexibilityNo cancel feeOn-time77%
LOTCheapest$609Average$958FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$618Average$908FlexibilityNo cancel feeOn-time69%
Air SerbiaCheapest$625Average$888FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$644Average$943FlexibilityNo cancel feeOn-time76%
DeltaCheapest$650Average$1,077FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$651Average$861FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$847Average$1,197FlexibilityNo cancel feeOn-time77%

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