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Belgrade

$632+ Cheap flights from Ontario (ONT) to Belgrade (BEG)

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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BEG
May 2 — May 91
Sat 5/2
Sat 5/9
1 adult, Economy
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Cheap flight deals from Ontario to Belgrade

Cheapest flights from Ontario to Belgrade
Explore the most affordable flight options available from Ontario to Belgrade. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.

This FlightHub deal was found by Cheapflights users on 3/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:56 pm
ONT
-
BEG
2 stops31h 14m
Turkish Airlines
Mon 10/124:00 pm
BEG
-
ONT
2 stops38h 29m
Turkish Airlines
Deal found 3/28$807
This Justfly.com deal was found by Cheapflights users on 3/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:10 pm
ONT
-
BEG
2 stops26h 15m
Turkish Airlines
Tue 10/138:25 pm
BEG
-
ONT
2 stops58h 04m
Turkish Airlines
Deal found 3/29$815
This oojo deal was found by Cheapflights users on 3/28. 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 9/2510:56 pm
ONT
-
BEG
2 stops31h 14m
Turkish Airlines
Fri 10/98:25 pm
BEG
-
ONT
2 stops34h 04m
Turkish Airlines
Deal found 3/28$817
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Wed 4/291:38 pm
ONT
-
BEG
2 stops17h 27m
United Airlines
Wed 5/131:40 pm
BEG
-
ONT
2 stops18h 19m
United Airlines
Deal found 3/28$953
This FlightHub deal was found by Cheapflights users on 3/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:03 am
ONT
-
BEG
2 stops27h 17m
Multiple Airlines
Thu 9/176:55 am
BEG
-
ONT
2 stops22h 24m
Multiple Airlines
Deal found 3/30$957
This FlightHub deal was found by Cheapflights users on 3/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:03 am
ONT
-
BEG
2 stops27h 17m
Multiple Airlines
Thu 9/106:55 am
BEG
-
ONT
2 stops26h 04m
Multiple Airlines
Deal found 3/29$988
This Air Serbia deal was found by Cheapflights users on 3/31. 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.
Tue 5/2610:41 pm
ONT
-
BEG
1 stop21h 09m
Air Serbia
Tue 6/27:50 am
BEG
-
ONT
1 stop21h 57m
Air Serbia
Deal found 3/31$1,007
This Air Serbia deal was found by Cheapflights users on 3/28. 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 9/209:10 pm
ONT
-
BEG
1 stop22h 40m
Air Serbia
Sun 9/271:25 pm
BEG
-
ONT
1 stop39h 48m
Air Serbia
Deal found 3/28$1,008
This Air Serbia deal was found by Cheapflights users on 3/31. 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 5/2410:41 pm
ONT
-
BEG
1 stop21h 09m
Air Serbia
Sun 6/71:25 pm
BEG
-
ONT
1 stop40h 22m
Air Serbia
Deal found 3/31$1,042
This Air Serbia deal was found by Cheapflights users on 3/31. 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 5/3110:41 pm
ONT
-
BEG
1 stop21h 09m
Air Serbia
Wed 9/97:50 am
BEG
-
ONT
1 stop21h 23m
Air Serbia
Deal found 3/31$1,046
This oojo deal was found by Cheapflights users on 4/1. 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 9/159:10 pm
ONT
-
BEG
2 stops33h 00m
Turkish Airlines
Mon 9/218:25 pm
BEG
-
ONT
2 stops32h 48m
Turkish Airlines
Deal found 4/1$1,072
This Air Serbia deal was found by Cheapflights users on 3/28. 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.
Tue 9/229:10 pm
ONT
-
BEG
1 stop22h 40m
Air Serbia
Sun 9/271:25 pm
BEG
-
ONT
1 stop39h 48m
Air Serbia
Deal found 3/28$1,075

Find flight deals from Ontario to Belgrade

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Belgrade (BEG). 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 April 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$807
(FlightHub)

One-way from

$632
(KAYAK)

Popular in

June

Cheapest in

January

Average price

$721
Provider with most accurate pricing for Los Angeles-Belgrade Nikola Tesla flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Belgrade Nikola Tesla flights.
Search Deals
From Ontario to Belgrade Nikola Tesla
Search Deals
One-way flight from Ontario to Belgrade Nikola Tesla
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($214 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 April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Belgrade 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 April 2, 2026.
Use the filters below to find and compare flights from Ontario to Belgrade that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sun 5/31

10:41 pm-4:50 am

1 stop21h 09m

Belgrade Nikola Tesla

Wed 9/9

7:50 am-8:13 pm

1 stop21h 23m

$1,046

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 6/15

11:53 pm-4:50 am

1 stop19h 57m

Belgrade Nikola Tesla

Wed 8/12

7:50 am-10:35 pm

1 stop23h 45m

$1,175

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Fri 7/31

1:18 pm-3:45 pm

2 stops17h 27m

Belgrade Nikola Tesla

Fri 8/14

1:20 pm-10:58 pm

2 stops18h 38m

$1,258

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 5/20

5:00 am-11:35 pm

2 stops33h 35m

Belgrade Nikola Tesla

Sat 6/6

6:10 am-10:50 pm

2 stops25h 40m

$1,369
Quickest round-trip

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Thu 4/23

1:34 pm-3:45 pm

2 stops17h 11m

Belgrade Nikola Tesla

Thu 5/7

1:40 pm-10:59 pm

2 stops18h 19m

$1,402

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sun 5/17

10:37 am-12:45 pm

2 stops17h 08m

Belgrade Nikola Tesla

Tue 6/2

6:20 am-5:28 pm

2 stops20h 08m

$1,452

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 5/18

10:37 am-4:10 pm

2 stops20h 33m

Belgrade Nikola Tesla

Fri 6/5

5:50 am-5:28 pm

2 stops20h 38m

$1,452

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 4/21

10:59 am-5:15 pm

2 stops21h 16m

Belgrade Nikola Tesla

Tue 5/5

10:25 am-10:36 pm

2 stops21h 11m

$1,518

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Thu 5/21

5:45 am-11:35 pm

2 stops32h 50m

Belgrade Nikola Tesla

Sat 6/6

6:10 am-9:55 pm

2 stops24h 45m

$1,647

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Fri 5/22

6:00 am-3:45 pm

2 stops24h 45m

Belgrade Nikola Tesla

Thu 6/4

6:10 am-10:37 pm

2 stops25h 27m

$1,729

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Belgrade

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

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

Currently, December is the cheapest month in which you can book a flight from Ontario to Belgrade (average of $484). Flying from Ontario to Belgrade in June is currently the most expensive (average of $963). 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 Belgrade. 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 Belgrade?

    A quick flight from Ontario to Belgrade can take about 21h 09m. Air Serbia provides one of the quickest options available for as low as $1,046. The distance from Ontario to Belgrade is about 6378 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Ontario to Belgrade (average of $484). Flying from Ontario to Belgrade in June is currently the most expensive (average of $963). 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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