HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Zagreb

$495+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ZAG
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Zagreb with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$652
(United Airlines)

One-way from

$495
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$1,219
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. 18% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/12. 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 8/41:19 pmONT - ZAG
2 stops25h 16mUnited Airlines
Mon 8/183:00 pmZAG - ONT
2 stops39h 25mUnited Airlines
Deal found 6/12$652
This Iberia deal was found by Cheapflights users on 6/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1410:50 amONT - ZAG
2 stops23h 50mIberia
Thu 8/2111:10 amZAG - ONT
2 stops44h 38mIberia
Deal found 6/11$737
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2511:40 amONT - ZAG
2 stops19h 25mDelta
Fri 9/196:00 amZAG - ONT
2 stops19h 14mDelta
Deal found 6/11$769
This United deal was found by Cheapflights users on 6/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/291:19 pmONT - ZAG
2 stops25h 21mMultiple Airlines
Tue 8/197:40 amZAG - ONT
2 stops18h 57mMultiple Airlines
Deal found 6/9$909
This Air Serbia deal was found by Cheapflights users on 6/10. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2110:56 pmONT - ZAG
2 stops25h 14mAir Serbia
Mon 9/293:00 pmZAG - ONT
2 stops39h 29mAir Serbia
Deal found 6/10$1,093
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/75:09 pmONT - ZAG
2 stops16h 46mBritish Airways
Sun 12/211:35 pmZAG - ONT
2 stops19h 13mBritish Airways
Deal found 6/10$1,366

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 June 12, 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

Mon 8/4

1:19 pm-11:35 pm

2 stops25h 16m

Zagreb Franjo Tuđman

Mon 8/18

3:00 pm-9:25 pm

2 stops39h 25m

$652

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Thu 8/14

10:50 am-7:40 pm

2 stops23h 50m

Zagreb Franjo Tuđman

Thu 8/21

11:10 am-10:48 pm

2 stops44h 38m

$737

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Mon 8/25

11:40 am-4:05 pm

2 stops19h 25m

Zagreb Franjo Tuđman

Tue 9/23

6:00 am-11:46 pm

2 stops26h 46m

$769

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Tue 7/29

1:19 pm-11:40 pm

2 stops25h 21m

Zagreb Franjo Tuđman

Tue 8/19

7:40 am-5:37 pm

2 stops18h 57m

$909

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Sun 9/21

10:56 pm-9:10 am

2 stops25h 14m

Zagreb Franjo Tuđman

Mon 9/29

3:00 pm-9:29 pm

2 stops39h 29m

$1,093

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Sun 12/7

5:09 pm-6:55 pm

2 stops16h 46m

Zagreb Franjo Tuđman

Sun 12/21

1:35 pm-11:48 pm

2 stops19h 13m

$1,366

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Sat 7/26

6:10 am-11:40 pm

2 stops32h 30m

$495

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Sat 7/5

7:05 am-9:40 pm

2 stops29h 35m

$661

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Thu 7/3

2:40 pm-8:50 pm

2 stops45h 10m

$672

OntarioZagreb

ONT - ZAG

ONTZAG

Ontario

Sun 6/22

11:59 pm-9:10 am

2 stops24h 11m

$1,131

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $1,267). 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.

Rainfall in Zagreb by month

Plan your trip to Zagreb by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Zagreb ranges from 1.9 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Zagreb when rainfall is around 1.9 in.

Temperature in Zagreb by month

Plan your trip to Zagreb by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Zagreb, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Zagreb

Get insights into the airlines that provide service to Zagreb. 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 Zagreb. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Delta, United Airlines and Iberia from Ontario to Zagreb. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Iberia
7.0
Good
2,776 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
7,008 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Serbia
6.3
Okay
196 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    $495 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Iberia, with prices starting from $661 and $672, respectively.

  • 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 $1,267). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Velika Gorica

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Zagreb

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Split flights
San Francisco to Dubrovnik flights
Los Angeles to Dubrovnik flights
San Francisco to Zagreb flights
San Francisco to Split flights
Los Angeles to Zagreb flights
Ontario to Split flights
Ontario to Dubrovnik flights
San Diego to Dubrovnik flights
San Jose to Split flights
Los Angeles to Zadar flights
San Diego to Split flights
San Diego to Zagreb flights
Santa Ana to Split flights
Los Angeles to Pula flights
Sacramento to Zagreb flights
San Francisco to Zadar flights
Sacramento to Split flights
San Jose to Dubrovnik flights
San Francisco to Pula flights
Las Vegas to Dubrovnik flights
San Jose to Zagreb flights
Las Vegas to Split flights
Las Vegas to Zagreb flights
Santa Ana to Dubrovnik flights
Sacramento to Dubrovnik flights
Oakland to Zagreb flights
Medford to Split flights
Santa Ana to Zagreb flights
Oakland to Split flights
Los Angeles to Rijeka flights
Burbank to Zagreb flights
Oakland to Rijeka flights
San Jose to Pula flights
Santa Rosa to Split flights
Santa Rosa to Dubrovnik flights
Santa Ana to Zadar flights
Burbank to Split flights
Los Angeles to Bol flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.