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Zagreb

$430+ Cheap flights from Ontario (ONT) 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ZAG
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This oojo deal was found by Cheapflights users on 1/27. 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.
Tue 4/2811:59 pm
ONT
-
ZAG
2 stops32h 26m
British Airways
Tue 5/128:20 pm
ZAG
-
ONT
2 stops35h 15m
British Airways
Deal found 1/27$541
This United Airlines deal was found by Cheapflights users on 1/25. 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 5/310:37 am
ONT
-
ZAG
2 stops18h 48m
United Airlines
Fri 5/82:45 pm
ZAG
-
ONT
2 stops17h 14m
United Airlines
Deal found 1/25$561
This oojo deal was found by Cheapflights users on 1/26. 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 4/274:52 pm
ONT
-
ZAG
2 stops34h 13m
British Airways
Mon 5/112:40 pm
ZAG
-
ONT
2 stops39h 14m
British Airways
Deal found 1/26$565
This oojo deal was found by Cheapflights users on 1/26. 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.
Wed 4/2910:59 am
ONT
-
ZAG
2 stops21h 26m
British Airways
Wed 5/131:00 pm
ZAG
-
ONT
2 stops36h 22m
British Airways
Deal found 1/26$570
This United Airlines deal was found by Cheapflights users on 1/25. 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 3/55:15 am
ONT
-
ZAG
2 stops32h 10m
United Airlines
Mon 3/96:15 am
ZAG
-
ONT
2 stops24h 21m
United Airlines
Deal found 1/25$575
This United Airlines deal was found by Cheapflights users on 1/27. 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 3/16:37 pm
ONT
-
ZAG
2 stops42h 48m
United Airlines
Mon 3/162:40 pm
ZAG
-
ONT
2 stops40h 17m
United Airlines
Deal found 1/27$602
This United Airlines deal was found by Cheapflights users on 1/26. 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 4/2611:05 am
ONT
-
ZAG
2 stops18h 20m
United Airlines
Sun 5/105:55 am
ZAG
-
ONT
2 stops20h 57m
United Airlines
Deal found 1/26$611
This Iberia deal was found by Cheapflights users on 1/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:30 am
ONT
-
ZAG
2 stops20h 15m
Multiple Airlines
Thu 5/1411:10 am
ZAG
-
ONT
2 stops21h 36m
Multiple Airlines
Deal found 1/26$629
This oojo deal was found by Cheapflights users on 1/26. 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.
Tue 7/2811:59 pm
ONT
-
ZAG
2 stops51h 46m
British Airways
Tue 8/118:20 pm
ZAG
-
ONT
2 stops34h 54m
British Airways
Deal found 1/26$661
This oojo deal was found by Cheapflights users on 1/27. 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 9/111:31 pm
ONT
-
ZAG
2 stops21h 24m
British Airways
Sun 10/410:45 am
ZAG
-
ONT
2 stops40h 02m
British Airways
Deal found 1/27$681
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/166:10 am
ONT
-
ZAG
2 stops22h 40m
United Airlines
Mon 3/22:40 pm
ZAG
-
ONT
2 stops17h 17m
United Airlines
Deal found 1/26$688

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$541
(oojo)

One-way from

$430
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$681
Provider with most accurate pricing for Ontario-Zagreb Franjo Tuđman flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Zagreb Franjo Tuđman flights.
Search Deals
From Ontario to Zagreb Franjo Tuđman
Search Deals
One-way flight from Ontario to Zagreb Franjo Tuđman
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
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

Sun 5/3

10:37 am-2:25 pm

2 stops18h 48m

Zagreb Franjo Tuđman

Fri 5/8

2:45 pm-10:59 pm

2 stops17h 14m

$561

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Wed 4/29

10:59 am-5:25 pm

2 stops21h 26m

Zagreb Franjo Tuđman

Wed 5/13

1:00 pm-4:22 pm

2 stops36h 22m

$570

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Tue 3/3

5:00 am-1:50 pm

2 stops23h 50m

Zagreb Franjo Tuđman

Wed 3/11

6:15 am-5:41 pm

2 stops19h 26m

$575

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Thu 3/5

1:40 pm-10:25 pm

2 stops23h 45m

Zagreb Franjo Tuđman

Mon 3/9

6:15 am-10:57 pm

2 stops24h 42m

$575

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Sun 4/26

11:05 am-2:25 pm

2 stops18h 20m

Zagreb Franjo Tuđman

Sun 5/10

5:55 am-5:52 pm

2 stops20h 57m

$611

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Sat 3/21

11:59 pm-2:00 pm

2 stops30h 01m

Zagreb Franjo Tuđman

Sat 4/4

5:45 am-10:26 pm

2 stops25h 41m

$688

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Sun 7/26

11:59 pm-7:25 pm

2 stops34h 26m

Zagreb Franjo Tuđman

Sun 8/9

10:40 am-6:17 pm

2 stops40h 37m

$767

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Tue 6/2

1:33 pm-11:10 pm

2 stops48h 37m

Zagreb Franjo Tuđman

Mon 8/17

6:05 am-10:26 pm

2 stops25h 21m

$779

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Sat 7/25

1:10 pm-1:55 pm

2 stops39h 45m

Zagreb Franjo Tuđman

Sat 8/8

8:50 pm-10:14 pm

2 stops34h 24m

$816

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Wed 6/3

11:59 pm-12:45 pm

3 stops27h 46m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 21 results
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Compare providers for flights from Ontario to Zagreb

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Zagreb in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Zagreb flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Zagreb flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Zagreb flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Zagreb flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Zagreb flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, February is the cheapest month in which you can book a flight from Ontario to Zagreb (average of $551). Flying from Ontario to Zagreb in June is currently the most expensive (average of $858). 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 and British Airways can get you from Ontario to Zagreb in just under 18h 48m. Your travel time can differ by up to 2h 38m. The distance from Ontario to Zagreb is about 6207 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, February is the cheapest month in which you can book a flight from Ontario to Zagreb (average of $551). Flying from Ontario to Zagreb in June is currently the most expensive (average of $858). 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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