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Ontario

$731+ Cheap flights from Serbia to Ontario (ONT)

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
BEG — ONT
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Serbia to Ontario

Keep the following information in mind while searching for Serbia to Ontario flight deals. Data was last updated August 14, 2025.

Round-trip from

$731
(Delta)

Popular in

July

Cheapest in

February

Average price

$915
From Serbia to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Serbia to Ontario

Cheapest flights from Serbia to Ontario
Explore the most affordable flight options available from Serbia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:00 amBEG - ONT
2 stops22h 11mDelta
Sat 10/411:55 amONT - BEG
2 stops26h 00mDelta
Deal found 8/12$731
This KLM deal was found by Cheapflights users on 8/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:00 amBEG - ONT
2 stops22h 11mKLM
Sun 10/54:40 pmONT - BEG
2 stops21h 15mKLM
Deal found 8/12$741
This KLM deal was found by Cheapflights users on 8/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:00 amBEG - ONT
2 stops25h 40mMultiple Airlines
Sat 10/411:55 amONT - BEG
2 stops25h 55mMultiple Airlines
Deal found 8/12$747
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:00 amBEG - ONT
2 stops25h 40mDelta
Thu 10/26:00 amONT - BEG
2 stops31h 55mDelta
Deal found 8/12$758
This Delta deal was found by Cheapflights users on 8/13. 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.
Fri 11/146:00 amBEG - ONT
2 stops25h 41mDelta
Tue 11/1812:00 pmONT - BEG
2 stops26h 15mDelta
Deal found 8/13$763
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Fri 9/56:10 amBEG - ONT
3 stops47h 23mUnited Airlines
Tue 10/76:00 amONT - BEG
2 stops21h 35mUnited Airlines
Deal found 8/12$804
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 8/296:10 amBEG - ONT
2 stops20h 19mUnited Airlines
Tue 10/219:36 amONT - BEG
2 stops17h 59mUnited Airlines
Deal found 8/13$808
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/112:35 pmBEG - ONT
2 stops39h 36mDelta
Sat 10/411:55 amONT - BEG
2 stops26h 00mDelta
Deal found 8/12$820
This Lufthansa deal was found by Cheapflights users on 8/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:05 amBEG - ONT
2 stops23h 38mMultiple Airlines
Mon 9/17:00 amONT - BEG
2 stops22h 00mMultiple Airlines
Deal found 8/12$823
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Fri 9/56:10 amBEG - ONT
3 stops47h 23mUnited Airlines
Sun 10/57:02 amONT - BEG
2 stops21h 08mUnited Airlines
Deal found 8/12$833

Cheapflights Fare Finder

 
Customize your flight search to find flights from Serbia to Ontario 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 August 14, 2025.
Use the filters below to find and compare flights from Serbia to Ontario that are best for you.

Fly from

Serbia

Fly to

Ontario

Route

Depart

Return

Price

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Thu 9/4

6:00 am-5:11 pm

2 stops20h 11m

Ontario

Mon 10/6

11:36 am-10:55 pm

2 stops26h 19m

$731

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Tue 9/2

6:00 am-7:11 pm

2 stops22h 11m

Ontario

Sat 10/4

11:55 am-10:55 pm

2 stops26h 00m

$731

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Wed 9/3

6:00 am-10:40 pm

2 stops25h 40m

Ontario

Sun 10/5

11:55 am-10:55 pm

2 stops26h 00m

$731

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Thu 9/4

6:00 am-5:11 pm

2 stops20h 11m

Ontario

Sun 10/5

1:15 pm-10:55 pm

2 stops24h 40m

$741

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Wed 9/3

6:00 am-10:40 pm

2 stops25h 40m

Ontario

Mon 10/6

11:48 am-10:55 pm

2 stops26h 07m

$741

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Tue 9/2

6:00 am-7:11 pm

2 stops22h 11m

Ontario

Sun 10/5

4:40 pm-10:55 pm

2 stops21h 15m

$741

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Tue 9/2

6:00 am-7:11 pm

2 stops22h 11m

Ontario

Mon 10/6

11:48 am-10:55 pm

2 stops26h 07m

$741

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Wed 9/3

6:00 am-10:40 pm

2 stops25h 40m

Ontario

Sat 10/4

11:55 am-10:50 pm

2 stops25h 55m

$747

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Thu 9/4

6:00 am-5:11 pm

2 stops20h 11m

Ontario

Sat 10/4

11:55 am-10:50 pm

2 stops25h 55m

$747

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Thu 9/4

6:00 am-4:08 pm

2 stops19h 08m

Ontario

Thu 10/2

6:00 am-10:55 pm

2 stops31h 55m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 23 results
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Best time to book a flight from Serbia to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Serbia to Ontario (average of $246). Flying from Serbia to Ontario in March is currently the most expensive (average of $328). 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 Serbia to Ontario. 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 into for flights to Ontario from Serbia?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Serbia. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Serbia to Ontario (average of $246). Flying from Serbia to Ontario in March is currently the most expensive (average of $328). 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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