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Belgrade

$472+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BEG
Jul 20 — Jul 271
Mon 7/20
Mon 7/27
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 June 20, 2026.

This United Airlines deal was found by Cheapflights users on 6/19. 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 10/185:00 am
ONT
-
BEG
2 stops22h 45m
United Airlines
Sun 11/16:15 am
BEG
-
ONT
2 stops21h 14m
United Airlines
Deal found 6/19$815
This United Airlines deal was found by Cheapflights users on 6/19. 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 11/179:00 am
ONT
-
BEG
2 stops18h 50m
United Airlines
Tue 12/11:40 pm
BEG
-
ONT
2 stops18h 26m
United Airlines
Deal found 6/19$822
This Trip.com deal was found by Cheapflights users on 6/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:20 am
ONT
-
BEG
2 stops20h 35m
KLM
Mon 8/245:05 pm
BEG
-
ONT
2 stops32h 19m
KLM
Deal found 6/19$848
This United Airlines deal was found by Cheapflights users on 6/17. 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 8/76:10 am
ONT
-
BEG
2 stops21h 15m
United Airlines
Fri 8/215:50 am
BEG
-
ONT
3 stops23h 11m
United Airlines
Deal found 6/17$875
This United Airlines deal was found by Cheapflights users on 6/19. 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 11/205:00 am
ONT
-
BEG
2 stops22h 50m
United Airlines
Fri 12/41:40 pm
BEG
-
ONT
2 stops18h 26m
United Airlines
Deal found 6/19$882
This United Airlines deal was found by Cheapflights users on 6/18. 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 11/164:03 pm
ONT
-
BEG
2 stops22h 47m
United Airlines
Mon 11/306:15 am
BEG
-
ONT
2 stops20h 32m
United Airlines
Deal found 6/18$905
This United Airlines deal was found by Cheapflights users on 6/18. 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 8/85:00 am
ONT
-
BEG
2 stops22h 45m
United Airlines
Sat 8/226:10 am
BEG
-
ONT
3 stops22h 51m
United Airlines
Deal found 6/18$925
This United Airlines deal was found by Cheapflights users on 6/19. 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 9/189:01 am
ONT
-
BEG
2 stops21h 44m
United Airlines
Fri 10/21:20 pm
BEG
-
ONT
2 stops18h 39m
United Airlines
Deal found 6/19$962
This FlightHub deal was found by Cheapflights users on 6/18. 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 7/610:54 am
ONT
-
BEG
2 stops26h 26m
Multiple Airlines
Wed 9/166:55 am
BEG
-
ONT
2 stops22h 18m
Multiple Airlines
Deal found 6/18$964
This United Airlines deal was found by Cheapflights users on 6/16. 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 8/66:10 am
ONT
-
BEG
2 stops21h 15m
United Airlines
Thu 8/206:10 am
BEG
-
ONT
3 stops22h 51m
United Airlines
Deal found 6/16$974
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/201:18 pm
ONT
-
BEG
2 stops17h 52m
United Airlines
Thu 8/136:10 am
BEG
-
ONT
3 stops22h 51m
United Airlines
Deal found 6/15$975

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 June 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$815
(United Airlines)

One-way from

$472
(KLM)

Popular in

June

Cheapest in

January

Average price

$1,237
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 ($246 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 20, 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

Tue 11/17

9:00 am-12:50 pm

2 stops18h 50m

Belgrade Nikola Tesla

Tue 12/1

1:40 pm-11:06 pm

2 stops18h 26m

$822

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 8/26

7:00 am-12:45 pm

2 stops20h 45m

Belgrade Nikola Tesla

Wed 9/9

6:10 am-8:01 pm

3 stops22h 51m

$875

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sun 8/9

6:10 am-12:45 pm

2 stops21h 35m

Belgrade Nikola Tesla

Sun 8/23

5:50 am-8:53 pm

2 stops24h 03m

$875

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Fri 8/7

6:10 am-12:25 pm

2 stops21h 15m

Belgrade Nikola Tesla

Fri 8/21

5:50 am-8:01 pm

3 stops23h 11m

$875

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sun 10/18

9:25 am-12:45 pm

2 stops18h 20m

Belgrade Nikola Tesla

Sun 11/1

6:15 am-9:20 pm

2 stops23h 05m

$875

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sat 8/8

6:00 am-12:45 pm

2 stops21h 45m

Belgrade Nikola Tesla

Sat 8/22

6:10 am-6:12 pm

2 stops21h 02m

$925
Quickest round-trip

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 9/16

1:18 pm-4:05 pm

2 stops17h 47m

Belgrade Nikola Tesla

Wed 9/30

1:40 pm-10:59 pm

2 stops18h 19m

$925

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Fri 9/18

9:01 am-3:45 pm

2 stops21h 44m

Belgrade Nikola Tesla

Fri 10/2

1:20 pm-10:59 pm

2 stops18h 39m

$962

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Fri 9/18

9:10 pm-3:10 pm

2 stops33h 00m

Belgrade Nikola Tesla

Fri 10/2

4:00 pm-8:13 pm

2 stops37h 13m

$1,009

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 9/21

9:10 pm-8:10 am

2 stops50h 00m

Belgrade Nikola Tesla

Mon 10/5

8:25 pm-8:13 pm

2 stops32h 48m

$1,087

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 14 resultsSorted by cheapest first
1
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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 16h 30m. United Airlines provides one of the quickest options available for as low as $875. 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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