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Belgrade

$573+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BEG
apr 10 — apr 171
ven 4/10
ven 4/17
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 marzo 11, 2026.

This KLM deal was found by Cheapflights users on 3/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 4/85:09 pm
ONT
-
BEG
2 stops20h 46m
KLM
mer 4/226:15 am
BEG
-
ONT
2 stops26h 29m
KLM
Deal found 3/6$782
This United Airlines deal was found by Cheapflights users on 3/8. 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.
mar 4/281:34 pm
ONT
-
BEG
2 stops17h 31m
United Airlines
mar 5/126:20 am
BEG
-
ONT
2 stops20h 32m
United Airlines
Deal found 3/8$803
This United Airlines deal was found by Cheapflights users on 3/8. 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.
gio 4/91:34 pm
ONT
-
BEG
2 stops17h 11m
United Airlines
gio 4/236:10 am
BEG
-
ONT
2 stops23h 26m
United Airlines
Deal found 3/8$853
This United Airlines deal was found by Cheapflights users on 3/8. 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.
gio 4/1611:05 am
ONT
-
BEG
2 stops27h 30m
United Airlines
lun 4/202:10 pm
BEG
-
ONT
2 stops39h 26m
United Airlines
Deal found 3/8$874
This United Airlines deal was found by Cheapflights users on 3/8. 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.
ven 4/177:00 am
ONT
-
BEG
2 stops20h 25m
United Airlines
lun 4/276:10 am
BEG
-
ONT
2 stops20h 37m
United Airlines
Deal found 3/8$903
This United Airlines deal was found by Cheapflights users on 3/9. 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.
lun 5/47:00 am
ONT
-
BEG
2 stops20h 55m
United Airlines
lun 8/242:10 pm
BEG
-
ONT
2 stops17h 48m
United Airlines
Deal found 3/9$916
This oojo deal was found by Cheapflights users on 3/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 9/811:59 pm
ONT
-
BEG
2 stops30h 11m
Turkish Airlines
mar 9/228:25 pm
BEG
-
ONT
2 stops34h 04m
Turkish Airlines
Deal found 3/8$919
This United Airlines deal was found by Cheapflights users on 3/7. 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.
mer 8/51:18 pm
ONT
-
BEG
2 stops17h 47m
United Airlines
mer 8/191:40 pm
BEG
-
ONT
2 stops18h 18m
United Airlines
Deal found 3/7$928
This United Airlines deal was found by Cheapflights users on 3/7. 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.
gio 4/307:00 am
ONT
-
BEG
2 stops20h 25m
United Airlines
gio 5/141:40 pm
BEG
-
ONT
2 stops18h 19m
United Airlines
Deal found 3/7$934
This oojo deal was found by Cheapflights users on 3/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun 9/711:59 pm
ONT
-
BEG
2 stops30h 11m
Turkish Airlines
lun 9/218:25 pm
BEG
-
ONT
2 stops34h 04m
Turkish Airlines
Deal found 3/7$953
This United Airlines deal was found by Cheapflights users on 3/8. 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.
dom 8/95:00 am
ONT
-
BEG
2 stops22h 45m
United Airlines
dom 8/235:50 am
BEG
-
ONT
2 stops21h 21m
United Airlines
Deal found 3/8$978

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 marzo 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$782
(KLM)

One-way from

$573
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$715
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. 20% potential increase in price ($211 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 March 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 marzo 11, 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
Quickest round-trip

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

mar 4/28

1:34 pm-4:05 pm

2 stops17h 31m

Belgrade Nikola Tesla

mar 5/12

6:20 am-5:52 pm

2 stops20h 32m

$803

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

gio 4/16

5:10 am-3:45 pm

2 stops25h 35m

Belgrade Nikola Tesla

lun 4/20

4:55 pm-10:31 pm

2 stops38h 36m

$874

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

mer 4/29

7:00 am-4:05 pm

2 stops24h 05m

Belgrade Nikola Tesla

mer 5/13

1:40 pm-10:59 pm

2 stops18h 19m

$903

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

lun 5/4

7:00 am-12:55 pm

2 stops20h 55m

Belgrade Nikola Tesla

lun 8/24

2:10 pm-10:58 pm

2 stops17h 48m

$916

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

dom 8/9

5:00 am-12:45 pm

2 stops22h 45m

Belgrade Nikola Tesla

dom 8/23

5:50 am-6:11 pm

2 stops21h 21m

$978

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

dom 3/22

11:59 pm-11:50 pm

2 stops39h 51m

Belgrade Nikola Tesla

mer 4/8

6:10 am-10:45 pm

2 stops25h 35m

$1,013

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

sab 4/11

1:34 pm-3:45 pm

2 stops17h 11m

Belgrade Nikola Tesla

sab 4/25

6:10 am-8:36 pm

2 stops23h 26m

$1,053

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

sab 8/8

6:30 am-12:45 pm

2 stops21h 15m

Belgrade Nikola Tesla

sab 8/22

6:10 am-6:11 pm

2 stops21h 01m

$1,078
Cheapest one-way
Quickest one-way

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

mer 4/15

11:05 am-12:45 pm

2 stops16h 40m

$573

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

mar 5/5

6:00 am-4:05 pm

2 stops25h 05m

$598

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 $962). 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 17h 31m. United Airlines provides one of the quickest options available for as low as $803. 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.

  • 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 $962). 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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