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Belgrade

$343+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BEG
Aug 7 — Aug 141
Fri 8/7
Fri 8/14
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 July 8, 2026.

This United Airlines deal was found by Cheapflights users on 7/4. 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 12/26:00 am
ONT
-
BEG
2 stops21h 50m
United Airlines
Wed 12/161:40 pm
BEG
-
ONT
2 stops18h 26m
United Airlines
Deal found 7/4$763
This United Airlines deal was found by Cheapflights users on 7/7. 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 12/84:03 pm
ONT
-
BEG
2 stops22h 52m
United Airlines
Tue 12/221:40 pm
BEG
-
ONT
2 stops18h 26m
United Airlines
Deal found 7/7$764
This United Airlines deal was found by Cheapflights users on 7/5. 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 11/69:00 am
ONT
-
BEG
2 stops18h 50m
United Airlines
Fri 11/206:15 am
BEG
-
ONT
2 stops23h 41m
United Airlines
Deal found 7/5$813
This United Airlines deal was found by Cheapflights users on 7/8. 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 10/71:24 pm
ONT
-
BEG
2 stops17h 41m
United Airlines
Wed 10/211:40 pm
BEG
-
ONT
2 stops18h 19m
United Airlines
Deal found 7/8$821
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/111:18 pm
ONT
-
BEG
2 stops17h 47m
United Airlines
Fri 8/215:50 am
BEG
-
ONT
3 stops23h 11m
United Airlines
Deal found 7/3$823
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 12/56:53 pm
ONT
-
BEG
2 stops43h 57m
United Airlines
Sat 12/191:40 pm
BEG
-
ONT
2 stops41h 46m
United Airlines
Deal found 7/7$839
This United Airlines deal was found by Cheapflights users on 7/4. 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 11/25:00 am
ONT
-
BEG
2 stops22h 50m
United Airlines
Sun 11/86:15 am
BEG
-
ONT
2 stops21h 14m
United Airlines
Deal found 7/4$843
This United Airlines deal was found by Cheapflights users on 7/6. 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.
Sat 11/79:00 am
ONT
-
BEG
2 stops18h 50m
United Airlines
Sat 11/216:15 am
BEG
-
ONT
2 stops23h 41m
United Airlines
Deal found 7/6$863
This United Airlines deal was found by Cheapflights users on 7/6. 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 8/267:00 am
ONT
-
BEG
2 stops20h 45m
United Airlines
Wed 9/96:10 am
BEG
-
ONT
3 stops22h 51m
United Airlines
Deal found 7/6$873
This United Airlines deal was found by Cheapflights users on 7/7. 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 stops21h 50m
United Airlines
Tue 9/296:20 am
BEG
-
ONT
3 stops23h 11m
United Airlines
Deal found 7/7$874
This United Airlines deal was found by Cheapflights users on 7/4. 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 10/64:07 pm
ONT
-
BEG
2 stops22h 28m
United Airlines
Tue 10/206:20 am
BEG
-
ONT
3 stops23h 11m
United Airlines
Deal found 7/4$877

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 July 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$763
(United Airlines)

One-way from

$343
(Delta)

Popular in

June

Cheapest in

January

Average price

$1,002
Provider with most accurate pricing for Los Angeles Los Angeles-Belgrade Nikola Tesla flight deals.
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Provider most trusted by Cheapflights users for Los Angeles Los Angeles-Belgrade Nikola Tesla flights.
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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. 22% potential increase in price ($241 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 8, 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

Thu 12/31

11:59 pm-12:50 pm

2 stops27h 51m

Belgrade Nikola Tesla

Thu 1/14

6:15 am-8:20 pm

2 stops23h 05m

$814

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 8/11

9:15 am-12:25 pm

2 stops18h 10m

Belgrade Nikola Tesla

Fri 8/21

5:50 am-10:35 pm

2 stops25h 45m

$823

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 8/11

1:18 pm-4:05 pm

2 stops17h 47m

Belgrade Nikola Tesla

Thu 8/20

6:10 am-8:01 pm

3 stops22h 51m

$823

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 8/5

1:18 pm-4:05 pm

2 stops17h 47m

Belgrade Nikola Tesla

Wed 8/19

6:10 am-8:01 pm

3 stops22h 51m

$823

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 8/11

9:15 am-4:05 pm

2 stops21h 50m

Belgrade Nikola Tesla

Wed 8/19

6:10 am-8:01 pm

3 stops22h 51m

$823

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sat 11/7

9:00 am-12:50 pm

2 stops18h 50m

Belgrade Nikola Tesla

Sat 11/21

6:15 am-8:56 pm

2 stops23h 41m

$863

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sun 8/9

6:00 am-12:45 pm

2 stops21h 45m

Belgrade Nikola Tesla

Sun 8/23

5:50 am-6:11 pm

2 stops21h 21m

$919
Quickest round-trip

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 8/31

7:00 am-12:55 pm

2 stops20h 55m

Belgrade Nikola Tesla

Mon 9/14

2:10 pm-10:51 pm

2 stops17h 41m

$984

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Fri 12/4

5:00 am-12:50 pm

2 stops22h 50m

Belgrade Nikola Tesla

Fri 12/18

1:40 pm-11:06 pm

2 stops18h 26m

$1,025

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 11/4

12:46 pm-5:05 pm

2 stops19h 19m

Belgrade Nikola Tesla

Wed 11/18

10:15 am-11:57 pm

2 stops22h 42m

$1,039

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

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 27h 51m. United Airlines provides one of the quickest options available for as low as $814. 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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