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Zagreb

$586+ Cheap flights from Ontario (ONT) 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ZAG
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Ontario to Zagreb

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Zagreb (ZAG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$586
(United)

Popular in

June

Cheapest in

November

Average price

$866
From Ontario to Zagreb Franjo Tuđman
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($196 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 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 Ontario to Zagreb

Cheapest flights from Ontario to Zagreb
Explore the most affordable flight options available from Ontario to Zagreb. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/265:05 amONT - ZAG
2 stops33h 10mUnited Airlines
Thu 11/132:45 pmZAG - ONT
2 stops17h 06mUnited Airlines
Deal found 9/11$586
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 11/16:38 pmONT - ZAG
2 stops43h 37mUnited Airlines
Fri 11/142:35 pmZAG - ONT
2 stops17h 16mUnited Airlines
Deal found 9/11$592
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 10/276:38 pmONT - ZAG
3 stops35h 12mUnited Airlines
Fri 11/142:35 pmZAG - ONT
2 stops17h 16mUnited Airlines
Deal found 9/11$597
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/265:05 amONT - ZAG
2 stops33h 10mUnited Airlines
Wed 11/122:25 pmZAG - ONT
3 stops41h 26mUnited Airlines
Deal found 9/11$598
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 11/16:38 pmONT - ZAG
2 stops35h 22mUnited Airlines
Wed 11/122:25 pmZAG - ONT
3 stops41h 26mUnited Airlines
Deal found 9/11$603
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 10/276:38 pmONT - ZAG
3 stops35h 12mUnited Airlines
Wed 11/122:25 pmZAG - ONT
3 stops41h 26mUnited Airlines
Deal found 9/11$608
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 11/16:38 pmONT - ZAG
2 stops43h 37mUnited Airlines
Thu 11/132:45 pmZAG - ONT
3 stops41h 06mUnited Airlines
Deal found 9/11$611
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 10/276:38 pmONT - ZAG
3 stops35h 12mUnited Airlines
Thu 11/132:45 pmZAG - ONT
3 stops41h 06mUnited Airlines
Deal found 9/11$617
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/307:00 amONT - ZAG
2 stops22h 50mUnited Airlines
Wed 11/122:25 pmZAG - ONT
2 stops17h 26mUnited Airlines
Deal found 9/11$636
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 11/16:38 pmONT - ZAG
2 stops35h 22mUnited Airlines
Sat 11/152:35 pmZAG - ONT
2 stops17h 16mUnited Airlines
Deal found 9/11$642
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 10/276:38 pmONT - ZAG
3 stops35h 12mUnited Airlines
Sat 11/152:35 pmZAG - ONT
2 stops17h 16mUnited Airlines
Deal found 9/11$647

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 September 11, 2025.
Use the filters below to find and compare flights from Ontario to Zagreb that are best for you.

Fly from

Ontario

Fly to

Zagreb

Route

Depart

Return

Price

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Wed 10/29

7:00 am-1:50 pm

2 stops22h 50m

Zagreb Franjo Tuđman

Wed 11/12

2:25 pm-10:51 pm

2 stops17h 26m

$586

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Wed 10/29

6:00 am-1:50 pm

2 stops23h 50m

Zagreb Franjo Tuđman

Thu 11/13

6:10 am-10:31 pm

2 stops25h 21m

$586

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Mon 10/27

5:05 am-10:25 pm

2 stops33h 20m

Zagreb Franjo Tuđman

Tue 11/11

2:35 pm-10:51 pm

2 stops17h 16m

$586

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Wed 10/29

6:00 am-10:25 pm

2 stops32h 25m

Zagreb Franjo Tuđman

Fri 11/14

2:35 pm-10:51 pm

2 stops17h 16m

$586

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Sat 11/1

6:38 pm-10:15 pm

2 stops43h 37m

Zagreb Franjo Tuđman

Wed 11/12

2:25 pm-10:51 pm

2 stops17h 26m

$592

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Sat 11/1

6:38 pm-10:15 pm

2 stops43h 37m

Zagreb Franjo Tuđman

Fri 11/14

2:35 pm-10:51 pm

2 stops17h 16m

$592

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Tue 10/28

5:05 am-10:25 pm

2 stops33h 20m

Zagreb Franjo Tuđman

Wed 11/12

2:25 pm-10:51 pm

3 stops41h 26m

$598

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Sun 10/26

5:05 am-10:15 pm

2 stops33h 10m

Zagreb Franjo Tuđman

Wed 11/12

2:25 pm-10:51 pm

3 stops41h 26m

$598

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Mon 3/9

7:00 am-10:25 pm

2 stops31h 25m

Zagreb Franjo Tuđman

Mon 3/23

2:40 pm-10:45 pm

2 stops40h 05m

$607

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Mon 10/27

6:38 pm-1:50 pm

3 stops35h 12m

Zagreb Franjo Tuđman

Mon 11/10

2:40 pm-10:51 pm

2 stops41h 11m

$617

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 12 results
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Best time to book a flight from Ontario to Zagreb

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Zagreb (average of $641). Flying from Ontario to Zagreb in June is currently the most expensive (average of $1,257). 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 Ontario to Zagreb. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Zagreb?

    United Airlines can get you from Ontario to Zagreb in just under 23h 50m. Your travel time can differ by up to . The distance from Ontario to Zagreb is about 6207 mi.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Ontario to Zagreb (average of $641). Flying from Ontario to Zagreb in June is currently the most expensive (average of $1,257). 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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