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Belgrade

$493+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BEG
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap 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 August 14, 2025.

Round-trip from

$646
(United Airlines)

One-way from

$493
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$856
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. 18% potential increase in price ($196 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 12/116:00 amONT - BEG
2 stops21h 50mUnited Airlines
Thu 12/256:25 amBEG - ONT
2 stops22h 52mUnited Airlines
Deal found 8/13$695
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 8/145:05 amONT - BEG
2 stops22h 35mUnited Airlines
Thu 8/216:10 amBEG - ONT
2 stops24h 15mUnited Airlines
Deal found 8/13$745
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/157:00 amONT - BEG
2 stops20h 35mUnited Airlines
Thu 10/26:10 amBEG - ONT
2 stops20h 30mUnited Airlines
Deal found 8/14$755
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/36:04 amONT - BEG
2 stops22h 06mUnited Airlines
Wed 9/176:10 amBEG - ONT
2 stops23h 23mUnited Airlines
Deal found 8/13$775
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/176:04 amONT - BEG
2 stops22h 06mUnited Airlines
Wed 10/156:10 amBEG - ONT
2 stops23h 14mUnited Airlines
Deal found 8/14$780
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 10/26:00 amONT - BEG
2 stops21h 40mUnited Airlines
Thu 10/166:10 amBEG - ONT
2 stops20h 13mUnited Airlines
Deal found 8/13$815
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 10/59:36 amONT - BEG
2 stops18h 34mUnited Airlines
Sun 10/191:40 pmBEG - ONT
2 stops37h 00mUnited Airlines
Deal found 8/13$834
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sat 9/136:00 amONT - BEG
2 stops21h 40mUnited Airlines
Sat 9/276:10 amBEG - ONT
2 stops20h 39mUnited Airlines
Deal found 8/13$835
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 12/145:05 amONT - BEG
2 stops22h 45mUnited Airlines
Sun 12/286:15 amBEG - ONT
2 stops23h 02mUnited Airlines
Deal found 8/13$865
This Expedia deal was found by Cheapflights users on 8/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:46 pmONT - BEG
2 stops19h 14mMultiple Airlines
Tue 11/2510:20 amBEG - ONT
2 stops21h 03mMultiple Airlines
Deal found 8/13$878
This United deal was found by Cheapflights users on 8/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:00 amONT - BEG
3 stops23h 45mMultiple Airlines
Thu 10/26:10 amBEG - ONT
2 stops25h 42mMultiple Airlines
Deal found 8/14$880
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 11/167:00 amONT - BEG
2 stops20h 50mUnited Airlines
Mon 12/16:15 amBEG - ONT
2 stops23h 29mUnited Airlines
Deal found 8/13$923

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 August 14, 2025.
Use the filters below to find and compare flights from Ontario to Belgrade that are best for you.

Fly from

Ontario

Fly to

Belgrade

Route

Depart

Return

Price

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 1/14

10:40 am-12:50 pm

2 stops17h 10m

Belgrade Nikola Tesla

Wed 1/28

6:15 am-8:17 pm

2 stops23h 02m

$646

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Thu 12/11

6:00 am-12:50 pm

2 stops21h 50m

Belgrade Nikola Tesla

Thu 12/25

6:25 am-8:17 pm

2 stops22h 52m

$695

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 2/9

10:40 am-12:50 pm

2 stops17h 10m

Belgrade Nikola Tesla

Mon 2/23

1:50 pm-9:19 am

2 stops28h 29m

$696

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sat 1/10

6:00 am-12:55 pm

2 stops21h 55m

Belgrade Nikola Tesla

Sat 1/24

1:40 pm-12:25 am

2 stops19h 45m

$746

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 9/15

7:00 am-12:35 pm

2 stops20h 35m

Belgrade Nikola Tesla

Thu 10/2

6:10 am-5:40 pm

2 stops20h 30m

$755

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Fri 9/5

6:04 am-12:55 pm

2 stops21h 51m

Belgrade Nikola Tesla

Thu 9/11

6:10 am-8:33 pm

2 stops23h 23m

$775

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Thu 9/4

6:04 am-12:40 pm

2 stops21h 36m

Belgrade Nikola Tesla

Thu 9/18

6:10 am-8:43 pm

2 stops23h 33m

$775

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 9/3

6:04 am-1:10 pm

2 stops22h 06m

Belgrade Nikola Tesla

Wed 9/17

6:10 am-8:33 pm

2 stops23h 23m

$775

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 9/17

6:04 am-1:10 pm

2 stops22h 06m

Belgrade Nikola Tesla

Wed 10/15

6:10 am-8:24 pm

2 stops23h 14m

$780

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Thu 10/2

6:00 am-12:40 pm

2 stops21h 40m

Belgrade Nikola Tesla

Thu 10/16

6:10 am-5:23 pm

2 stops20h 13m

$815

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 23 results
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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, January is the cheapest month in which you can book a flight from Ontario to Belgrade (average of $688). Flying from Ontario to Belgrade in June is currently the most expensive (average of $1,174). 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.

  • 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, January is the cheapest month in which you can book a flight from Ontario to Belgrade (average of $688). Flying from Ontario to Belgrade in June is currently the most expensive (average of $1,174). 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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