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$454+ Cheap flights from Zagreb (ZAG) 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
ZAG — ORD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Zagreb to Illinois

Cheapest flights from Zagreb to Illinois
Explore the most affordable flight options available from Zagreb to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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.
Fri 12/264:40 pmZAG - ORD
2 stops25h 30mLufthansa
Sat 1/106:45 pmORD - ZAG
2 stops31h 25mLufthansa
Deal found 12/15$869
This FlightHub deal was found by Cheapflights users on 12/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:40 pmZAG - ORD
1 stop28h 30mMultiple Airlines
Sat 1/104:20 pmORD - ZAG
1 stop14h 40mMultiple Airlines
Deal found 12/15$889
This oojo deal was found by Cheapflights users on 12/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:45 pmZAG - ORD
1 stop14h 15mLOT
Sat 1/109:55 pmORD - ZAG
2 stops39h 30mLOT
Deal found 12/16$919
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Mon 12/298:15 amZAG - STL
2 stops16h 39mMultiple Airlines
Wed 3/254:50 pmSTL - ZAG
1 stop15h 00mMultiple Airlines
Deal found 12/17$1,036
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:30 amZAG - MDW
2 stops17h 56mDelta
Sat 1/101:28 pmMDW - ZAG
2 stops20h 32mDelta
Deal found 12/16$1,039
This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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.
Sun 12/288:40 amZAG - STL
2 stops20h 03mLufthansa
Wed 3/2511:28 amSTL - ZAG
2 stops25h 52mLufthansa
Deal found 12/17$1,096
This KLM deal was found by Cheapflights users on 12/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:30 amZAG - ORD
1 stop14h 50mKLM
Sun 1/44:25 pmORD - ZAG
1 stop23h 35mKLM
Deal found 12/15$1,377
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:25 pmZAG - ORD
2 stops33h 15mUnited Airlines
Sun 1/47:15 amORD - ZAG
2 stops32h 00mUnited Airlines
Deal found 12/15$1,415
This Air Canada deal was found by Cheapflights users on 12/17. 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.
Mon 12/299:50 amZAG - STL
3 stops18h 53mAir Canada
Wed 3/254:05 pmSTL - ZAG
2 stops23h 10mAir Canada
Deal found 12/17$1,599
This FlightHub deal was found by Cheapflights users on 12/17. 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.
Sun 12/289:45 amZAG - STL
3 stops18h 58mAir Canada
Wed 3/254:05 pmSTL - ZAG
2 stops23h 10mAir Canada
Deal found 12/17$2,144
This Mytrip deal was found by Cheapflights users on 12/17. 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.
Sun 12/285:55 pmZAG - STL
3 stops28h 34mMultiple Airlines
Wed 3/254:05 pmSTL - ZAG
3 stops25h 25mMultiple Airlines
Deal found 12/17$2,738

Find flight deals from Zagreb to Illinois

Keep the following information in mind while searching for Zagreb to Illinois flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$684
(Justfly.com)

One-way from

$454
(Air Serbia)

Popular in

July

Cheapest in

September

Average price

$871
Provider with most accurate pricing for Zagreb Franjo Tuđman-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Zagreb Franjo Tuđman-Chicago (CHI) flights.
Search Deals
From Zagreb Franjo Tuđman to Illinois
Search Deals
One-way flight from Zagreb Franjo Tuđman to Illinois
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Zagreb 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 December 18, 2025.
Use the filters below to find and compare flights from Zagreb to Illinois that are best for you.

Fly from

Zagreb

Fly to

Illinois

Route

Depart

Return

Price

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Sat 1/24

1:50 pm-10:05 am

1 stop27h 15m

Chicago O'Hare Intl

Fri 2/6

8:20 pm-7:00 pm

1 stop15h 40m

$684

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Wed 4/22

12:50 pm-7:50 pm

1 stop14h 00m

Chicago O'Hare Intl

Sat 5/9

9:50 pm-5:20 pm

1 stop12h 30m

$697

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Tue 4/14

9:50 am-2:25 pm

1 stop35h 35m

Chicago O'Hare Intl

Sat 4/25

11:20 pm-10:55 am

1 stop28h 35m

$731

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Thu 4/16

12:50 pm-7:50 pm

1 stop14h 00m

Chicago O'Hare Intl

Sat 4/25

9:50 pm-5:20 pm

1 stop12h 30m

$734

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Sat 1/24

6:15 am-6:33 pm

2 stops19h 18m

Chicago O'Hare Intl

Fri 2/6

6:00 pm-12:50 pm

1 stop11h 50m

$745

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Thu 3/5

12:45 pm-8:00 pm

1 stop14h 15m

Chicago O'Hare Intl

Sun 3/8

10:55 pm-12:05 pm

2 stops31h 10m

$750

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Thu 4/16

12:50 pm-7:50 pm

2 stops38h 00m

Chicago O'Hare Intl

Tue 4/28

5:10 pm-12:05 pm

1 stop11h 55m

$752

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Sat 1/24

6:15 am-3:20 pm

1 stop16h 05m

Chicago O'Hare Intl

Fri 2/6

6:25 pm-1:50 pm

1 stop12h 25m

$754

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Sun 4/12

10:45 am-5:00 pm

1 stop13h 15m

Chicago O'Hare Intl

Tue 4/28

11:36 am-12:05 pm

2 stops17h 29m

$754

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Mon 4/13

2:40 pm-11:55 am

1 stop28h 15m

Chicago O'Hare Intl

Tue 4/28

2:55 pm-12:05 pm

2 stops14h 10m

$754

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 34 results
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Best time to book a flight from Zagreb to Illinois

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

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

Currently, February is the cheapest month in which you can book a flight from Zagreb to Illinois (average of $342). Flying from Zagreb to Illinois in October is currently the most expensive (average of $854). 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 ZAG to IL?

Find hourly flight availability from Zagreb 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 December 18, 2025.

It’s optimal to fly from Zagreb to Illinois in the afternoon. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the morning.

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 December 18, 2025.
Peruse reviews from past customers who have flown with KLM, LOT, and Lufthansa from Zagreb to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,428 reviews

Crew

8.4

Boarding

7.8

Food

7.2

Overall

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,428 reviews
KLM
7.7
Good
1,428 reviews

Crew

8.4

Boarding

7.8

Food

7.2

Overall

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
LOT
7.5
Good
1,149 reviews
KLM
7.7
Good
1,428 reviews

Crew

8.4

Boarding

7.8

Food

7.2

Overall

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Lufthansa
6.8
Okay
7,635 reviews
KLM
7.7
Good
1,428 reviews

Crew

8.4

Boarding

7.8

Food

7.2

Overall

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

Find useful and relevant information for your journey from Zagreb to Illinois. 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 from for flights from Zagreb to Illinois?

    Zagreb Franjo Tuđman (ZAG), located 6.7 mi from the city center, is the airport you fly out of when you book flights from Zagreb to Illinois.

  • How long is the flight from Zagreb to Illinois?

    Departing from Zagreb to Illinois will take you 14h. The distance from Zagreb to Illinois is about 4784 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for Turkish Airlines. According to our data, you can fly for as low as $499. Users have also found prices from $555 and $625 on LOT and Lufthansa, respectively.

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

    When deciding which route to take from Zagreb to Illinois consider Zagreb Franjo Tuđman - Chicago Midway, Zagreb Franjo Tuđman - Chicago O'Hare Intl or Zagreb Franjo Tuđman - Lambert-St Louis as they are the most popular.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Zagreb to Illinois (average of $342). Flying from Zagreb to Illinois in October is currently the most expensive (average of $854). 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 Zagreb to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Zagreb to Illinois

Discover the top 3 airlines that operate flights from Zagreb 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$658Average$843FlexibilityNo cancel feeOn-time76%
KLMCheapest$693Average$793FlexibilityNo cancel feeOn-time75%
LOTCheapest$719Average$786FlexibilityNo cancel feeOn-time81%

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