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$358+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
ZAG — ORD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Zagreb to Illinois

Keep the following information in mind while searching for Zagreb to Illinois flight deals. Data was last updated September 17, 2025.

Round-trip from

$625
(American Airlines)

One-way from

$358
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$678
From Zagreb Franjo Tuđman to Illinois
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One-way flight from Zagreb Franjo Tuđman to Illinois
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Highest demand for flights based on searches. 6% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:45 pmZAG - ORD
1 stop27h 05mAmerican Airlines
Thu 10/165:40 pmORD - ZAG
1 stop12h 05mAmerican Airlines
Deal found 9/15$625
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:45 pmZAG - ORD
1 stop26h 05mAmerican Airlines
Mon 10/610:35 pmORD - ZAG
1 stop13h 50mAmerican Airlines
Deal found 9/15$626
This Lufthansa deal was found by Cheapflights users on 9/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:05 amZAG - ORD
1 stop11h 55mLufthansa
Sun 11/29:50 pmORD - ZAG
1 stop11h 05mLufthansa
Deal found 9/16$627
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/26:00 amZAG - ORD
1 stop12h 00mUnited Airlines
Thu 10/1610:30 pmORD - ZAG
1 stop18h 10mUnited Airlines
Deal found 9/15$628
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/308:10 pmZAG - ORD
2 stops31h 17mAmerican Airlines
Mon 10/611:55 amORD - ZAG
2 stops24h 30mAmerican Airlines
Deal found 9/15$632
This Air Canada deal was found by Cheapflights users on 9/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:00 amZAG - ORD
2 stops33h 01mAir Canada
Mon 11/38:15 pmORD - ZAG
2 stops33h 35mAir Canada
Deal found 9/16$634
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/238:10 pmZAG - ORD
1 stop25h 40mAmerican Airlines
Tue 10/219:12 pmORD - ZAG
2 stops56h 33mAmerican Airlines
Deal found 9/16$637
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/236:00 amZAG - ORD
1 stop15h 55mUnited Airlines
Thu 10/3011:35 pmORD - ZAG
1 stop16h 50mUnited Airlines
Deal found 9/16$639
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:05 amZAG - ORD
1 stop15h 00mMultiple Airlines
Sun 10/2611:35 pmORD - ZAG
1 stop16h 40mMultiple Airlines
Deal found 9/17$642
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:30 amZAG - MDW
2 stops17h 55mDelta
Thu 11/61:08 pmMDW - ZAG
2 stops18h 27mDelta
Deal found 9/15$705
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:00 amZAG - MDW
2 stops19h 35mDelta
Wed 10/155:04 pmMDW - ZAG
2 stops16h 11mDelta
Deal found 9/15$711
This Delta deal was found by Cheapflights users on 9/16. 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.
Thu 10/26:00 amZAG - MDW
2 stops19h 35mDelta
Fri 10/176:23 pmMDW - ZAG
2 stops15h 27mDelta
Deal found 9/16$712

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 September 17, 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

Thu 10/2

6:45 pm-11:50 am

1 stop24h 05m

Chicago O'Hare Intl

Wed 10/15

8:40 pm-12:45 pm

1 stop33h 05m

$625

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Thu 10/30

2:45 pm-9:05 pm

1 stop12h 20m

Chicago O'Hare Intl

Thu 11/6

9:50 pm-3:55 pm

1 stop11h 05m

$626

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Thu 10/2

6:45 pm-1:50 pm

1 stop26h 05m

Chicago O'Hare Intl

Mon 10/6

4:28 pm-7:25 pm

2 stops19h 57m

$626

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Thu 10/2

6:45 pm-2:50 pm

1 stop27h 05m

Chicago O'Hare Intl

Fri 10/17

10:35 pm-7:55 pm

1 stop14h 20m

$626

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Sun 10/26

6:15 am-4:20 pm

1 stop16h 05m

Chicago O'Hare Intl

Mon 11/3

6:00 pm-12:50 pm

1 stop11h 50m

$627

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Fri 10/24

6:05 am-11:00 am

1 stop11h 55m

Chicago O'Hare Intl

Mon 11/3

6:00 pm-12:50 pm

1 stop11h 50m

$627

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Tue 9/30

8:10 pm-2:50 pm

1 stop25h 40m

Chicago O'Hare Intl

Sun 10/5

9:40 pm-7:25 pm

2 stops38h 45m

$632

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Thu 10/2

6:45 pm-5:00 pm

1 stop29h 15m

Chicago O'Hare Intl

Sun 10/5

9:40 pm-7:25 pm

2 stops38h 45m

$632

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Fri 10/24

6:05 am-11:00 am

1 stop11h 55m

Chicago O'Hare Intl

Thu 10/30

11:35 pm-10:25 pm

1 stop16h 50m

$639

ZagrebChicago

ZAG - ORD

ZAGORD

Zagreb Franjo Tuđman

Fri 10/24

6:05 am-11:00 am

1 stop11h 55m

Chicago O'Hare Intl

Wed 11/5

4:20 pm-1:50 pm

1 stop14h 30m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 39 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, August is the cheapest month in which you can book a flight from Zagreb to Illinois (average of $245). Flying from Zagreb to Illinois in March is currently the most expensive (average of $321). 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 September 17, 2025.

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

How much does it cost to fly round-trip from Zagreb to Illinois?

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 September 17, 2025.
Peruse reviews from past customers who have flown with KLM, LOT, and Turkish Airlines 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
7.8
Good
1,386 reviews

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,386 reviews
KLM
7.8
Good
1,386 reviews

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
LOT
7.6
Good
1,117 reviews
KLM
7.8
Good
1,386 reviews

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Turkish Airlines
7.3
Good
3,965 reviews
KLM
7.8
Good
1,386 reviews

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Lufthansa
6.8
Okay
7,409 reviews
KLM
7.8
Good
1,386 reviews

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.2

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 12h 20m. 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 most popular routes from Zagreb to Illinois?

    When deciding which route to take from Zagreb to Illinois consider Zagreb Franjo Tuđman - Chicago O'Hare Intl, Zagreb Franjo Tuđman - Chicago Midway 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, August is the cheapest month in which you can book a flight from Zagreb to Illinois (average of $245). Flying from Zagreb to Illinois in March is currently the most expensive (average of $321). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
LOTCheapest$600Average$818FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$603Average$773FlexibilityNo cancel feeOn-time76%
KLMCheapest$693Average$843FlexibilityNo cancel feeOn-time75%

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