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$652+ Cheap flights from Belgrade (BEG) to Ontario (ONT)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
BEG — ONT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Belgrade to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Belgrade (BEG) to Ontario (ONT). 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

$780
(Delta)

One-way from

$652
(Air Serbia)

Popular in

August

Cheapest in

February

Average price

$799
From Belgrade Nikola Tesla to Ontario
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One-way flight from Belgrade Nikola Tesla to Ontario
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Highest demand for flights based on searches. 6% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 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 Belgrade to Ontario

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

This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:35 pmBEG - ONT
2 stops42h 31mDelta
Tue 11/1811:45 amONT - BEG
2 stops39h 10mDelta
Deal found 9/10$780
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/41:50 pmBEG - ONT
2 stops18h 01mUnited Airlines
Sun 11/166:05 amONT - BEG
2 stops21h 45mUnited Airlines
Deal found 9/10$869
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/291:55 pmBEG - ONT
2 stops17h 57mUnited Airlines
Thu 10/169:36 amONT - BEG
2 stops18h 04mUnited Airlines
Deal found 9/10$897
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:15 amBEG - ONT
2 stops25h 36mUnited Airlines
Tue 11/185:05 amONT - BEG
3 stops23h 00mUnited Airlines
Deal found 9/10$1,285
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/310:20 amBEG - ONT
2 stops21h 09mMultiple Airlines
Tue 11/1812:46 pmONT - BEG
2 stops19h 14mMultiple Airlines
Deal found 9/10$1,288
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:20 amBEG - ONT
2 stops21h 09mMultiple Airlines
Sat 11/1510:47 amONT - BEG
2 stops21h 13mMultiple Airlines
Deal found 9/10$1,892

Cheapflights Fare Finder

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

Fly from

Belgrade

Fly to

Ontario

Route

Depart

Return

Price

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Fri 11/14

6:05 am-11:04 pm

2 stops25h 59m

Ontario

Tue 11/18

7:05 am-11:55 am

2 stops43h 50m

$780

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Wed 2/11

6:15 am-10:53 pm

2 stops25h 38m

Ontario

Sat 2/21

10:40 am-12:55 pm

2 stops17h 15m

$866

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Tue 11/4

1:50 pm-10:51 pm

2 stops18h 01m

Ontario

Sun 11/16

6:05 am-12:50 pm

2 stops21h 45m

$869

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Tue 9/30

1:30 pm-10:52 pm

2 stops18h 22m

Ontario

Thu 10/16

9:36 am-12:40 pm

2 stops18h 04m

$897

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Mon 1/26

1:50 pm-10:53 pm

2 stops18h 03m

Ontario

Sat 4/11

7:00 am-12:40 pm

2 stops20h 40m

$898

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Fri 11/14

6:15 am-10:51 pm

2 stops25h 36m

Ontario

Tue 11/18

5:05 am-1:05 pm

3 stops23h 00m

$1,285

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Mon 11/3

10:20 am-10:29 pm

2 stops21h 09m

Ontario

Tue 11/18

12:46 pm-5:00 pm

2 stops19h 14m

$1,288

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Sat 11/8

10:20 am-10:29 pm

2 stops21h 09m

Ontario

Sat 11/15

12:46 pm-5:00 pm

2 stops19h 14m

$4,411

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Mon 9/29

7:45 am-9:29 pm

1 stop22h 44m

$652

BelgradeOntario

BEG - ONT

BEGONT

Belgrade Nikola Tesla

Mon 10/27

6:15 am-10:51 pm

2 stops24h 36m

$826

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 15 results
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Best time to book a flight from Belgrade to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Belgrade to Ontario (average of $246). Flying from Belgrade 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 Belgrade to Ontario. 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 Belgrade to Ontario?

    Departing from Belgrade to Ontario will take you 25h 38m. The distance between Belgrade and Ontario is about 6378 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Air Serbia, which is currently one of the cheapest options available, starting at $652. Lufthansa flights start at $827 while deals on United Airlines start at $829 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Belgrade to Ontario (average of $246). Flying from Belgrade 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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