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Zagreb

$263+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ZAG
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:35 pm
ORD
-
ZAG
1 stop14h 00m
Multiple Airlines
Wed 8/195:55 am
ZAG
-
ORD
2 stops21h 10m
Multiple Airlines
Deal found 2/2$519
This KAYAK deal was found by Cheapflights users on 1/31. 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.
Mon 7/279:15 pm
ORD
-
ZAG
1 stop31h 50m
British Airways
Tue 8/258:20 pm
ZAG
-
ORD
1 stop24h 30m
British Airways
Deal found 1/31$534
This Justfly.com deal was found by Cheapflights users on 2/1. 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.
Mon 2/238:20 pm
ORD
-
ZAG
1 stop29h 10m
Turkish Airlines
Mon 3/99:25 am
ZAG
-
ORD
1 stop16h 00m
Turkish Airlines
Deal found 2/1$536
This oojo deal was found by Cheapflights users on 2/1. 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 8/312:37 pm
ORD
-
ZAG
2 stops23h 48m
British Airways
Tue 8/188:20 pm
ZAG
-
ORD
2 stops32h 01m
British Airways
Deal found 2/1$537
This FlightHub deal was found by Cheapflights users on 2/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:50 pm
ORD
-
ZAG
1 stop13h 40m
Turkish Airlines
Thu 4/98:25 pm
ZAG
-
ORD
1 stop20h 15m
Turkish Airlines
Deal found 2/2$538
This KAYAK deal was found by Cheapflights users on 1/31. 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.
Wed 7/293:35 pm
ORD
-
ZAG
1 stop14h 00m
Lufthansa
Tue 8/255:35 am
ZAG
-
ORD
1 stop21h 20m
Lufthansa
Deal found 1/31$541
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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 5/69:40 pm
ORD
-
ZAG
1 stop16h 55m
Lufthansa
Wed 5/205:55 am
ZAG
-
ORD
1 stop21h 00m
Lufthansa
Deal found 2/1$542
This Mytrip deal was found by Cheapflights users on 2/1. 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.
Wed 5/69:40 pm
ORD
-
ZAG
1 stop16h 55m
Multiple Airlines
Wed 5/205:55 am
ZAG
-
ORD
2 stops15h 58m
Multiple Airlines
Deal found 2/1$543
This Justfly.com deal was found by Cheapflights users on 2/1. 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.
Thu 3/58:20 pm
ORD
-
ZAG
1 stop15h 40m
Turkish Airlines
Thu 3/199:25 am
ZAG
-
ORD
1 stop16h 00m
Turkish Airlines
Deal found 2/1$545
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/49:50 pm
ORD
-
ZAG
1 stop11h 05m
Lufthansa
Wed 3/182:25 pm
ZAG
-
ORD
1 stop12h 40m
Lufthansa
Deal found 2/2$548
This oojo deal was found by Cheapflights users on 2/2. 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.
Thu 2/128:20 pm
ORD
-
ZAG
1 stop29h 10m
Turkish Airlines
Mon 2/237:55 pm
ZAG
-
ORD
1 stop29h 30m
Turkish Airlines
Deal found 2/2$552
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 7/2810:30 pm
ORD
-
ZAG
1 stop18h 15m
United Airlines
Tue 8/255:35 am
ZAG
-
ORD
2 stops16h 20m
United Airlines
Deal found 1/31$553

Find flight deals from Illinois to Zagreb

Keep the following information in mind while searching for Illinois to Zagreb flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$534
(KAYAK)

One-way from

$263
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$640
Provider with most accurate pricing for Chicago (CHI)-Zagreb Franjo Tuđman flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Zagreb Franjo Tuđman flights.
Search Deals
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. 6% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 3, 2026.
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

ChicagoZagreb

ORD - ZAG

ORDZAG

Chicago O'Hare Intl

Wed 7/29

6:30 pm-11:10 pm

1 stop21h 40m

Zagreb Franjo Tuđman

Tue 8/25

5:35 am-2:55 pm

2 stops16h 20m

$553

ChicagoZagreb

ORD - ZAG

ORDZAG

Chicago O'Hare Intl

Wed 7/29

11:03 am-2:15 pm

2 stops20h 12m

Zagreb Franjo Tuđman

Wed 8/26

3:00 pm-10:16 am

2 stops26h 16m

$557

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Tue 3/3

5:50 pm-2:35 pm

2 stops13h 45m

Zagreb Franjo Tuđman

Tue 3/10

6:30 am-5:05 pm

2 stops16h 35m

$563

ChicagoZagreb

ORD - ZAG

ORDZAG

Chicago O'Hare Intl

Tue 3/24

12:50 pm-8:30 am

1 stop13h 40m

Zagreb Franjo Tuđman

Fri 4/10

8:25 pm-9:40 am

1 stop20h 15m

$570

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Tue 4/14

4:05 pm-12:35 pm

2 stops13h 30m

Zagreb Franjo Tuđman

Sun 4/26

5:55 am-1:25 pm

1 stop14h 30m

$589

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Tue 4/14

8:54 am-12:05 pm

2 stops20h 11m

Zagreb Franjo Tuđman

Sun 4/26

10:40 am-11:46 pm

2 stops20h 06m

$601

ChicagoZagreb

ORD - ZAG

ORDZAG

Chicago O'Hare Intl

Wed 4/29

8:10 pm-1:00 pm

1 stop33h 50m

Zagreb Franjo Tuđman

Sat 5/9

8:25 pm-6:15 pm

1 stop28h 50m

$605

ChicagoZagreb

ORD - ZAG

ORDZAG

Chicago O'Hare Intl

Tue 3/10

1:37 pm-2:35 pm

2 stops18h 58m

Zagreb Franjo Tuđman

Tue 3/17

6:30 am-6:31 pm

2 stops18h 01m

$610

ChicagoZagreb

MDW - ZAG

MDWZAG

Chicago Midway

Tue 3/10

6:34 pm-2:35 pm

2 stops14h 01m

Zagreb Franjo Tuđman

Tue 3/17

6:30 am-5:54 pm

2 stops17h 24m

$616

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Mon 5/4

8:54 am-7:25 pm

2 stops27h 31m

Zagreb Franjo Tuđman

Mon 6/1

2:40 pm-9:28 pm

2 stops37h 48m

$618

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 44 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, March is the cheapest month in which you can book a flight from Illinois to Zagreb (average of $516). Flying from Illinois to Zagreb in June is currently the most expensive (average of $879). 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.

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 United Airlines, Turkish Airlines, and Delta fly from Illinois to Zagreb in about 13h 40m. The time it takes to get you to your destination can typically vary by up to 8h. The distance between Illinois and Zagreb is about 4784 mi. This flight may include one or multiple stops.

  • 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 $312 on Austrian Airlines. Other airlines that offer cheap prices include Turkish Airlines from $363 and Lufthansa from $440 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, March is the cheapest month in which you can book a flight from Illinois to Zagreb (average of $516). Flying from Illinois to Zagreb in June is currently the most expensive (average of $879). 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 Zagreb

See prices for flight routes from nearby airports that may be better suited for you.
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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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$548Average$679FlexibilityNo cancel feeOn-time77%
KLMCheapest$587Average$833FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$618Average$873FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$621Average$937FlexibilityNo cancel feeOn-time76%
DeltaCheapest$650Average$1,077FlexibilityNo cancel feeOn-timeN/A
Air SerbiaCheapest$665Average$883FlexibilityNo cancel feeOn-timeN/A
LOTCheapest$671Average$974FlexibilityNo cancel feeOn-time81%
Air FranceCheapest$847Average$1,197FlexibilityNo cancel feeOn-time77%

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