HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belgrade

$636+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BEG
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Belgrade with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 17, 2026.

This FlightHub deal was found by Cheapflights users on 3/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:54 am
ONT
-
BEG
2 stops26h 26m
Multiple Airlines
Mon 8/316:55 am
BEG
-
ONT
2 stops26h 04m
Multiple Airlines
Deal found 3/16$890
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/1611:05 am
ONT
-
BEG
2 stops19h 40m
United Airlines
Thu 4/306:10 am
BEG
-
ONT
2 stops20h 42m
United Airlines
Deal found 3/13$903
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Thu 4/166:00 am
ONT
-
BEG
2 stops32h 35m
United Airlines
Mon 4/204:55 pm
BEG
-
ONT
2 stops36h 41m
United Airlines
Deal found 3/15$923
This United Airlines deal was found by Cheapflights users on 3/13. 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 5/66:00 am
ONT
-
BEG
2 stops21h 45m
United Airlines
Wed 5/206:10 am
BEG
-
ONT
2 stops23h 26m
United Airlines
Deal found 3/13$934
This Turkish Airlines deal was found by Cheapflights users on 3/17. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:56 pm
ONT
-
BEG
2 stops31h 14m
Turkish Airlines
Thu 10/14:00 pm
BEG
-
ONT
2 stops38h 29m
Turkish Airlines
Deal found 3/17$937
This oojo deal was found by Cheapflights users on 3/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:56 pm
ONT
-
BEG
2 stops35h 39m
Turkish Airlines
Mon 9/288:25 pm
BEG
-
ONT
2 stops34h 04m
Turkish Airlines
Deal found 3/17$952
This oojo deal was found by Cheapflights users on 3/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:56 pm
ONT
-
BEG
2 stops24h 29m
Turkish Airlines
Tue 9/294:00 pm
BEG
-
ONT
2 stops38h 29m
Turkish Airlines
Deal found 3/15$953
This oojo deal was found by Cheapflights users on 3/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:56 pm
ONT
-
BEG
2 stops24h 29m
Turkish Airlines
Sun 9/279:15 am
BEG
-
ONT
2 stops45h 14m
Turkish Airlines
Deal found 3/16$965
This oojo deal was found by Cheapflights users on 3/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:56 pm
ONT
-
BEG
2 stops31h 14m
Turkish Airlines
Wed 9/309:15 am
BEG
-
ONT
2 stops45h 14m
Turkish Airlines
Deal found 3/16$989
This United Airlines deal was found by Cheapflights users on 3/14. 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 5/410:37 am
ONT
-
BEG
2 stops17h 18m
United Airlines
Mon 5/186:10 am
BEG
-
ONT
2 stops20h 42m
United Airlines
Deal found 3/14$994

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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$890
(FlightHub)

One-way from

$636
(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.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles Los Angeles-Belgrade Nikola Tesla flights.
Search Deals
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. 21% potential increase in price ($214 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 March 17, 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 4/16

11:05 am-3:45 pm

2 stops19h 40m

Belgrade Nikola Tesla

Thu 4/30

6:10 am-5:52 pm

2 stops20h 42m

$903

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Thu 4/16

11:05 am-11:35 pm

2 stops27h 30m

Belgrade Nikola Tesla

Mon 4/20

4:55 pm-10:31 pm

2 stops38h 36m

$923
Quickest round-trip

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 5/4

10:37 am-12:55 pm

2 stops17h 18m

Belgrade Nikola Tesla

Mon 5/18

6:10 am-5:52 pm

2 stops20h 42m

$994

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sat 9/12

10:56 pm-3:10 pm

2 stops31h 14m

Belgrade Nikola Tesla

Sat 9/26

4:00 pm-9:29 pm

2 stops38h 29m

$1,039

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Sun 8/16

8:00 am-12:45 pm

2 stops19h 45m

Belgrade Nikola Tesla

Sun 8/30

5:50 am-6:11 pm

2 stops21h 21m

$1,082

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 4/8

7:00 am-12:45 pm

2 stops20h 45m

Belgrade Nikola Tesla

Wed 4/22

6:10 am-5:47 pm

2 stops20h 37m

$1,253

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 4/8

11:05 am-12:45 pm

2 stops16h 40m

Belgrade Nikola Tesla

Wed 4/15

6:10 am-8:36 pm

2 stops23h 26m

$1,253

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Tue 6/30

11:59 pm-5:00 am

1 stop20h 01m

Belgrade Nikola Tesla

Wed 7/8

7:50 am-10:40 pm

1 stop23h 50m

$1,305

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Mon 7/13

11:59 pm-5:00 am

1 stop20h 01m

Belgrade Nikola Tesla

Tue 7/21

7:50 am-10:40 pm

1 stop23h 50m

$1,305
Cheapest one-way

OntarioBelgrade

ONT - BEG

ONTBEG

Ontario

Wed 4/8

5:10 am-4:05 pm

3 stops25h 55m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 13 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 $963). 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 19h 40m. United Airlines provides one of the quickest options available for as low as $903. 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 $963). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Belgrade

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Belgrade flights
San Francisco to Belgrade flights
San Diego to Belgrade flights
Las Vegas to Belgrade flights
San Jose to Belgrade flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.