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Belgrade

$597+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BEG
Jun 13 — Jun 201
Sat 6/13
Sat 6/20
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 May 14, 2026.

This United Airlines deal was found by Cheapflights users on 5/13. 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.
Wed 8/129:01 am
ONT
-
BEG
2 stops18h 44m
United Airlines
Wed 8/266:10 am
BEG
-
ONT
2 stops22h 51m
United Airlines
Deal found 5/13$827
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Tue 9/19:15 am
ONT
-
BEG
2 stops18h 10m
United Airlines
Wed 10/141:40 pm
BEG
-
ONT
2 stops18h 19m
United Airlines
Deal found 5/13$877
This United Airlines deal was found by Cheapflights users on 5/13. 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 12/256:53 pm
ONT
-
BEG
2 stops43h 57m
United Airlines
Thu 1/76:15 am
BEG
-
ONT
2 stops25h 51m
United Airlines
Deal found 5/13$883
This United Airlines deal was found by Cheapflights users on 5/13. 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 12/2511:59 pm
ONT
-
BEG
2 stops38h 51m
United Airlines
Fri 1/86:15 am
BEG
-
ONT
2 stops24h 06m
United Airlines
Deal found 5/13$884
This United Airlines deal was found by Cheapflights users on 5/13. 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 12/2511:59 pm
ONT
-
BEG
2 stops38h 51m
United Airlines
Wed 1/66:15 am
BEG
-
ONT
2 stops23h 05m
United Airlines
Deal found 5/13$885
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Thu 9/105:00 am
ONT
-
BEG
2 stops22h 25m
United Airlines
Thu 9/246:10 am
BEG
-
ONT
2 stops23h 06m
United Airlines
Deal found 5/12$927
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:00 pm
ONT
-
BEG
2 stops25h 50m
United Airlines
Sat 1/161:40 pm
BEG
-
ONT
2 stops18h 26m
United Airlines
Deal found 5/11$928
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Sun 8/91:18 pm
ONT
-
BEG
2 stops17h 52m
United Airlines
Sun 8/235:50 am
BEG
-
ONT
2 stops21h 21m
United Airlines
Deal found 5/10$976
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Mon 9/149:01 am
ONT
-
BEG
2 stops18h 54m
United Airlines
Mon 9/282:10 pm
BEG
-
ONT
2 stops17h 49m
United Airlines
Deal found 5/13$982
This Delta deal was found by Cheapflights users on 5/13. 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.
Sun 12/276:00 am
ONT
-
BEG
2 stops32h 25m
Delta
Thu 1/76:00 am
BEG
-
ONT
2 stops26h 48m
Delta
Deal found 5/13$983
This United Airlines deal was found by Cheapflights users on 5/9. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/126:39 pm
ONT
-
BEG
2 stops36h 31m
United Airlines
Tue 7/216:20 am
BEG
-
ONT
2 stops25h 31m
United Airlines
Deal found 5/9$985

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 May 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$827
(United Airlines)

One-way from

$597
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$993
Provider with most accurate pricing for Los Angeles-Belgrade Nikola Tesla flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Belgrade Nikola Tesla flights.
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From Ontario to Belgrade Nikola Tesla
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One-way flight from Ontario to Belgrade Nikola Tesla
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Highest demand for flights based on searches. 22% potential increase in price ($243 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in May 2026
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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 May 14, 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

Mon 9/7

9:01 am-12:55 pm

2 stops18h 54m

Belgrade Nikola Tesla

Thu 10/8

6:10 am-8:16 pm

2 stops23h 06m

$877
Quickest round-trip

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 9/9

7:00 am-12:45 pm

2 stops20h 45m

Belgrade Nikola Tesla

Tue 9/29

2:00 pm-10:59 pm

2 stops17h 59m

$877

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Thu 9/10

5:00 am-12:25 pm

2 stops22h 25m

Belgrade Nikola Tesla

Thu 9/24

6:10 am-8:52 pm

2 stops23h 42m

$927

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sun 7/12

6:39 pm-4:10 pm

2 stops36h 31m

Belgrade Nikola Tesla

Tue 7/21

6:20 am-10:51 pm

2 stops25h 31m

$985

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sat 10/10

7:00 am-12:45 pm

2 stops20h 45m

Belgrade Nikola Tesla

Sat 10/24

6:10 am-8:16 pm

2 stops23h 06m

$987

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sat 8/8

6:10 am-12:45 pm

2 stops21h 35m

Belgrade Nikola Tesla

Sat 8/22

6:10 am-8:01 pm

3 stops22h 51m

$1,126

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 9/29

12:35 pm-5:15 pm

2 stops19h 40m

Belgrade Nikola Tesla

Tue 10/13

10:25 am-11:06 pm

2 stops21h 41m

$1,216

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 9/7

12:33 pm-5:15 pm

2 stops19h 42m

Belgrade Nikola Tesla

Mon 9/21

10:25 am-11:06 pm

2 stops21h 41m

$1,245

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 6/10

5:00 am-12:45 pm

2 stops22h 45m

Belgrade Nikola Tesla

Wed 6/17

6:10 am-5:56 pm

2 stops20h 46m

$1,286

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 7/14

6:10 am-12:25 pm

2 stops21h 15m

Belgrade Nikola Tesla

Wed 7/29

6:10 am-5:54 pm

2 stops20h 44m

$1,311

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Showing 1-10 of 22 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.

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 17h 47m. United Airlines provides one of the quickest options available for as low as $827. The distance from Ontario to Belgrade is about 6378 mi.

  • 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.

See more FAQs

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