$472+ Cheap flights from Ontario (ONT) to Belgrade (BEG)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BEG
Oct 6 — Oct 131
Round-trip
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
Best
Last-minute
One-way
Cheapest flights from Ontario to BelgradeExplore 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 September 6, 2026.
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 September 6, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. 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 12/111:26 am -
2 stops16h 24m
Tue 12/156:15 am -
2 stops20h 21m
Deal found 9/1![United Airlines logo]()
$765
This United Airlines deal was found by Cheapflights users on 9/1. 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 12/44:03 pm -
2 stops22h 47m
Fri 12/181:40 pm -
2 stops18h 13m
Deal found 9/1![United Airlines logo]()
$815
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 12/56:40 pm -
2 stops44h 10m
Sat 12/191:40 pm -
2 stops18h 13m
Deal found 9/5![United Airlines logo]()
$821
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/286:59 am -
2 stops21h 51m
Wed 11/116:15 am -
2 stops20h 46m
Deal found 9/4![United Airlines logo]()
$825
This United Airlines deal was found by Cheapflights users on 9/2. 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 12/27:00 am -
2 stops20h 50m
Wed 12/166:15 am -
2 stops23h 05m
Deal found 9/2![United Airlines logo]()
$840
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 10/711:10 am -
2 stops16h 20m
Wed 10/211:05 pm -
2 stops18h 46m
Deal found 9/5![United Airlines logo]()
$853
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/912:20 pm -
2 stops26h 05m
Sat 12/266:05 am -
2 stops26h 54m
Deal found 9/3![Delta logo]()
$859
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/1311:10 am -
2 stops20h 20m
Tue 10/276:15 am -
2 stops19h 46m
Deal found 9/3![United Airlines logo]()
$864
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sun 10/254:17 pm -
2 stops23h 33m
Sun 11/86:15 am -
2 stops23h 00m
Deal found 9/4![United Airlines logo]()
$875
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sun 12/136:00 am -
2 stops21h 50m
Sat 12/261:40 pm -
2 stops18h 13m
Deal found 9/3![United Airlines logo]()
$882
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 12/34:03 pm -
2 stops22h 47m
Thu 12/176:15 am -
2 stops23h 45m
Deal found 9/3![United Airlines logo]()
$890
Best flights from Ontario to BelgradeDiscover carefully curated flight deals from Ontario to Belgrade that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
Discover carefully curated flight deals from Ontario to Belgrade that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Fri 2/511:20 am -
2 stops16h 30m
Fri 2/196:15 am -
3 stops23h 05m
Deal found 9/4![United Airlines logo]()
$821
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 12/56:40 pm -
2 stops44h 10m
Sat 12/191:40 pm -
2 stops18h 13m
Deal found 9/5![United Airlines logo]()
$821
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 1/45:00 am -
2 stops22h 50m
Mon 1/186:15 am -
2 stops23h 05m
Deal found 9/5![United Airlines logo]()
$821
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/286:59 am -
2 stops21h 51m
Wed 11/116:15 am -
2 stops20h 46m
Deal found 9/4![United Airlines logo]()
$825
This United Airlines deal was found by Cheapflights users on 9/2. 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 12/27:00 am -
2 stops20h 50m
Wed 12/166:15 am -
2 stops23h 05m
Deal found 9/2![United Airlines logo]()
$840
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 10/711:10 am -
2 stops16h 20m
Wed 10/211:05 pm -
2 stops18h 46m
Deal found 9/5![United Airlines logo]()
$853
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/1311:10 am -
2 stops20h 20m
Tue 10/276:15 am -
2 stops19h 46m
Deal found 9/3![United Airlines logo]()
$864
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 10/2011:10 am -
2 stops20h 20m
Tue 10/276:15 am -
2 stops22h 00m
Deal found 9/6![United Airlines logo]()
$864
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sun 10/254:17 pm -
2 stops23h 33m
Sun 11/86:15 am -
2 stops23h 00m
Deal found 9/4![United Airlines logo]()
$875
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sat 10/2411:10 am -
2 stops17h 40m
Sat 11/76:15 am -
2 stops21h 32m
Deal found 9/3![United Airlines logo]()
$925
Last-minute flights from Ontario to BelgradeDiscover last-minute flight deals from Ontario to Belgrade. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Belgrade. Data last updated September 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/31:18 pm -
2 stops17h 27m
Thu 9/101:10 pm -
2 stops18h 49m
Deal found 9/2![United Airlines logo]()
$1,008
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 9/239:01 am -
2 stops18h 29m
Thu 10/151:40 pm -
2 stops18h 11m
Deal found 9/3![United Airlines logo]()
$1,013
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/2411:10 am -
2 stops19h 35m
Thu 10/81:10 pm -
2 stops18h 41m
Deal found 9/2![United Airlines logo]()
$1,073
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 10/711:10 am -
2 stops16h 20m
Wed 10/211:05 pm -
2 stops18h 46m
Deal found 9/5![United Airlines logo]()
$853
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/1311:10 am -
2 stops20h 20m
Tue 10/276:15 am -
2 stops19h 46m
Deal found 9/3![United Airlines logo]()
$864
This Booking.com deal was found by Cheapflights users on 9/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:43 pm -
2 stops19h 32m
Tue 11/310:10 am -
2 stops21h 47m
Deal found 9/1![Multiple Airlines logo]()
$1,081
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sat 10/2411:10 am -
2 stops17h 40m
Sat 11/76:15 am -
2 stops21h 32m
Deal found 9/3![United Airlines logo]()
$925
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sun 10/254:17 pm -
2 stops23h 33m
Sun 11/86:15 am -
2 stops23h 00m
Deal found 9/4![United Airlines logo]()
$875
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 10/269:25 am -
2 stops19h 25m
Mon 11/96:15 am -
2 stops20h 41m
Deal found 9/5![United Airlines logo]()
$1,095
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/286:59 am -
2 stops21h 51m
Wed 11/116:15 am -
2 stops20h 46m
Deal found 9/4![United Airlines logo]()
$825
One-way flights from Ontario to BelgradeSearch for one-way flight options from Ontario to Belgrade. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
Search for one-way flight options from Ontario to Belgrade. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
This United deal was found by Cheapflights users on 9/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:25 am -
2 stops22h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$472
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 September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $765 (United Airlines) |
One-way from | $472 (United) |
Popular in | June |
Cheapest in | January |
Average price | $968 |
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 7,457,451 searches. Data last updated September 6, 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
Cheapest round-trip
Quickest round-trip
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Tue 11/3
9:25 am-5:20 pm
2 stops22h 55m
Belgrade Nikola Tesla
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$472
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Fri 2/5
11:20 am-12:50 pm
2 stops16h 30m
Belgrade Nikola Tesla
Fri 2/19
6:15 am-8:20 pm
3 stops23h 05m
$821
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Sat 12/5
6:40 pm-11:50 pm
2 stops44h 10m
Belgrade Nikola Tesla
Sat 12/19
1:40 pm-10:53 pm
2 stops18h 13m
$821
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Mon 1/4
5:00 am-12:50 pm
2 stops22h 50m
Belgrade Nikola Tesla
Mon 1/18
6:15 am-8:20 pm
2 stops23h 05m
$821
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Wed 10/28
6:59 am-12:50 pm
2 stops21h 51m
Belgrade Nikola Tesla
Wed 11/11
6:15 am-6:01 pm
2 stops20h 46m
$825
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Wed 12/2
7:00 am-12:50 pm
2 stops20h 50m
Belgrade Nikola Tesla
Wed 12/16
6:15 am-8:20 pm
2 stops23h 05m
$840
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Wed 10/7
11:10 am-12:30 pm
2 stops16h 20m
Belgrade Nikola Tesla
Wed 10/21
1:05 pm-10:51 pm
2 stops18h 46m
$853
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Tue 10/13
11:10 am-4:30 pm
2 stops20h 20m
Belgrade Nikola Tesla
Tue 10/27
6:15 am-6:01 pm
2 stops19h 46m
$864
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Tue 10/20
11:10 am-4:30 pm
2 stops20h 20m
Belgrade Nikola Tesla
Tue 10/27
6:15 am-8:15 pm
2 stops22h 00m
$864
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Sun 10/25
4:17 pm-11:50 pm
2 stops23h 33m
Belgrade Nikola Tesla
Sun 11/8
6:15 am-8:15 pm
2 stops23h 00m
$875
Showing 1-10 of 11 resultsSorted by cheapest first
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.
ONT-BEG
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.
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
Belgrade flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Ontario
Popular flights