Prices were available within the past 7 days and start at $330 for one-way flights and $737 for roundtrip, for the period specified. Prices and availability are subject to change.
Find the cheapest month to fly from Chicago (ORD) to Zagreb (ZAG)
April is typically the cheapest month to flyApril is typically the cheapest month to fly
From $616 - $809 per traveler.
Book with confidence
Chicago (ORD) to Zagreb (ZAG) at a glance
Embark on an exciting journey from Chicago (ORD) to Zagreb (ZAG) with a selection of airlines catering to this long-haul international route. Compare various options from full-service carriers to discover the itinerary that aligns with your budget, schedule, and travel preferences as you prepare to explore the iconic attractions and neighborhoods of Zagreb. Here are the essential details for flights departing from O'Hare International Airport (ORD) to Zagreb Airport (ZAG).
Fastest flight duration: around 10 hours in-flight, plus roughly 2 hours layover with one stop
Route distance: roughly 4,800 miles (7,720 km)
Flights per week: around 12 departures on average
Typical fares (one-way): economy tickets often range from $280–$865, depending on seasonality and how far ahead you book
Flights from O'Hare International Airport (ORD) to Zagreb Airport (ZAG)
According to recent traveler bookings, here are the top airlines favored for flights from Chicago to Zagreb, particularly those featuring one-stop and multi-stop options. Common layover points include Franz Josef Strauss International Airport (MUC) with a layover of about 4 hours and 30 minutes, Vienna International Airport (VIE) at approximately 1 hour and 15 minutes, and Istanbul Airport (IST) with a 2-hour and 30-minute layover. This variety allows you to mix and match price, total travel time, and cabin class to find your ideal itinerary.
United: As a comprehensive service airline, United provides both one-stop and multi-stop options. It represents around 31% of departures on this route, with one-way fares generally between $280 and $910. Expect about 10 hours of flight time and a total journey of approximately 12 hours and 45 minutes.
Turkish Airlines: This full-service airline offers convenient one-stop travel, accounting for nearly 20% of departures on the route. One-way fares typically range from $300 to $965, with an in-flight duration of 10 hours and a total travel time of around 12 hours and 45 minutes, including layover.
Lufthansa: A full-service carrier providing one-stop service, Lufthansa makes up about 16% of departures on this route. One-way fares usually vary from $280 to $820, with a flight time of 10 hours and a total journey duration of roughly 12 hours and 45 minutes, factoring in the layover.
Austrian Airlines: This comprehensive airline features one-stop service and holds around 13% of departures for this route. One-way fares generally range from $330 to $775, with approximately 10 hours of in-flight time and a total journey time of about 12 hours and 45 minutes, including layover.
LOT-Polish Airlines: Offering one-stop service, LOT accounts for about 11% of departures on this route. One-way fares typically range from $290 to $1525. Travelers can expect 10 hours in the air, with a total journey time close to 12 hours and 45 minutes, factoring in layover.
Best time to fly from Chicago (ORD) to Zagreb (ZAG)
The most popular months for travelers flying from Chicago to Zagreb are June, July, and August, when peak temperatures in Zagreb reach up to 72.7°F in July. If you prefer quieter travel, consider February, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 36.9°F. For better deals, January usually offers the lowest average one-way fare around $404. Flight availability peaks in July, with approximately 21 flights per week, making it easier to find convenient departure times.
Cheapest time to fly: January usually offers good deals with average one-way fare around $404, roughly 20% cheaper than the yearly average.
More budget-friendly months to fly: February, September, and March typically offer average one-way fares roughly ranging from $421 to $437.
Most flight options: July has the highest number of flights from Chicago to Zagreb, with approximately 21 flights per week, giving you more flexibility in scheduling your trip.
Month
Temperature
Demand
Weekly Flights
Average one-way Fare
January
34.3°F (1.3°C)
Average
8
$404
February
36.9°F (2.7°C)
Low
8
$421
March
44.6°F (7.0°C)
Average
9
$437
April
52.9°F (11.6°C)
Average
10
$471
May
59.7°F (15.4°C)
Average
9
$578
June
68.5°F (20.3°C)
High
13
$785
July
72.7°F (22.6°C)
High
21
$533
August
72.3°F (22.4°C)
High
13
$483
September
63.1°F (17.3°C)
Average
10
$428
October
53.8°F (12.1°C)
Low
9
$474
November
45.1°F (7.3°C)
Low
9
$441
December
37.0°F (2.8°C)
Average
10
$650
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
Alternative route from Chicago (ORD) to Zagreb (ZAG)
Chicago to Zagreb (MDW-ZAG): Midway International Airport (MDW) lies approximately 16 miles from O'Hare International Airport (ORD).
How to find the best prices for flights from Chicago (ORD) to Zagreb (ZAG)
Getting some of the best deals on flights from Chicago to Zagreb is all about timing and flexibility. Here are some key tips to help you save:
Best times to book and fly: cheaper fares are typically found when booking at least two months ahead, which coincides with when most travelers make their reservations. Evening departures, from 6 PM to 12 AM, tend to offer lower prices, although afternoon flights from 12 PM to 6 PM are the most popular. Additionally, flying on Monday provides both affordable rates and high demand among travelers.
Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Zagreb hotel and flight deals.
Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Zagreb Airport from O'Hare International Airport
Zagreb welcomes travelers from Chicago with a range of transport options based on price, convenience, and proximity. Zagreb city center is approximately a 20-minute drive (covering about 11 miles) from Zagreb Airport, depending on traffic. Here's how to reach Zagreb efficiently:
Hotel transfer: Transfers offer a convenient way to reach your hotel in Zagreb, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
Car rental: Renting a car from Zagreb Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Zagreb Airport on Expedia.
Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
Public transportation: From Zagreb Airport, Velika Gorica Station, a train station, is located about 2.2 miles away by car, providing convenient access for travelers.
Chicago to Zagreb Flights
The cheapest times to fly from Chicago to Zagreb
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Zagreb are during the month of November. You can find some of the cheapest flights from Chicago to Zagreb with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Chicago to Zagreb
Sunday is one of the best days to book for cheap flights from Chicago to Zagreb: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Chicago to Zagreb
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Zagreb in 2026. You can also book with separate airlines for your outbound and return journeys, from $330 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Zagreb flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Zagreb airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Frequently Asked Questions
How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG) cost?
You can find cheap one-way flights from $330 and cheap return flights $737 Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG) with Expedia. One-way flights usually range from $322 to $4819, and return flights typically cost between $912 and $6556. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG)?
August is the cheapest month to fly from Chicago (ORD) to Zagreb (ZAG), with average return fares around $829. This is about 19% lower than the average price throughout the year, as demand tends to decrease after the summer peak. Other budget-friendly months for this route include January and November.
*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG)?
Enter ORD to ZAG and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG)?
Air Serbia is one of the cheapest airlines offering connecting flights from O'Hare Intl. (ORD) to Zagreb (ZAG), with round-trip tickets starting from around $879. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG)?
When flying from Chicago, IL (ORD) to Zagreb (ZAG), August and January are the best months to consider. You can find return flights for about $829 in these months, providing a good balance of price and travel experience.
*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from ORD to ZAG. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG)?
The most popular departure times for flights from Chicago (ORD) to Zagreb (ZAG) are in the late afternoon, from 3pm to 6pm. About 39% of passengers choose this time window. Airlines like United Airlines and Lufthansa offer flights during this period. This timing is favored because it allows travelers to enjoy their day in Chicago before heading to the airport.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG)?
Flights from ORD to ZAG with one stop typically take around 12 hours 30 minutes, covering approximately 4,787 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG)?
You can fly business class between ORD and ZAG. Airlines that offer business class service on this route include:
Lufthansa
Turkish Airlines
United Airlines
Swiss International Air Lines
KLM
American Airlines
British Airways
Air Canada
Air France
Austrian Airlines
First class is available with Swiss International Air Lines and Lufthansa.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Zagreb (ZAG) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.
Travel information
Origin airport
Chicago O'Hare Intl. Airport
Destination airport
Zagreb Airport
Distance
4,787 miles away
Airlines serving
Lufthansa, Turkish Airlines, Swiss International Air Lines, LOT-Polish Airlines, Austrian Airlines, Air Canada, Brussels Airlines, KLM, United, Delta, British Airways, Air France, TAP Portugal, Air Serbia, Iberia, American Airlines