$630+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BEG
Oct 28 — Nov 41
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Belgrade with Cheapflights
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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
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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
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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 28, 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 28, 2026.
This United Airlines deal was found by Cheapflights users on 9/25. 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 12/211:20 am -
2 stops16h 30m
Wed 12/166:15 am -
2 stops20h 21m
Deal found 9/25![United Airlines logo]()
$814
This United Airlines deal was found by Cheapflights users on 9/25. 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 11/299:25 am -
2 stops18h 25m
Tue 12/156:15 am -
2 stops20h 21m
Deal found 9/25![United Airlines logo]()
$823
This United Airlines deal was found by Cheapflights users on 9/27. 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 12/305:55 am -
2 stops21h 55m
Wed 1/136:15 am -
3 stops23h 05m
Deal found 9/27![United Airlines logo]()
$838
This United Airlines deal was found by Cheapflights users on 9/24. 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 11/309:25 am -
2 stops18h 25m
Mon 12/146:15 am -
2 stops23h 23m
Deal found 9/24![United Airlines logo]()
$873
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/255:00 am -
2 stops23h 50m
Sun 11/86:15 am -
2 stops23h 00m
Deal found 9/23![United Airlines logo]()
$874
This United Airlines deal was found by Cheapflights users on 9/26. 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 12/2511:52 pm -
2 stops38h 58m
Wed 1/136:15 am -
2 stops23h 05m
Deal found 9/26![United Airlines logo]()
$880
This Delta deal was found by Cheapflights users on 9/23. 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.
Fri 12/1112:20 pm -
2 stops26h 05m
Sun 1/106:05 am -
2 stops25h 38m
Deal found 9/23![Delta logo]()
$902
This United Airlines deal was found by Cheapflights users on 9/27. 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 10/199:25 am -
2 stops18h 05m
Mon 11/21:40 pm -
2 stops38h 07m
Deal found 9/27![United Airlines logo]()
$922
This United Airlines deal was found by Cheapflights users on 9/26. 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 12/266:27 pm -
2 stops44h 23m
Sat 1/96:15 am -
2 stops23h 05m
Deal found 9/26![United Airlines logo]()
$938
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/165:00 am -
2 stops22h 25m
Thu 11/56:15 am -
2 stops20h 41m
Deal found 9/23![United Airlines logo]()
$943
This Mytrip deal was found by Cheapflights users on 9/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:52 am -
3 stops25h 13m
Fri 10/309:40 am -
3 stops31h 25m
Deal found 9/23![Multiple Airlines logo]()
$957
This United Airlines deal was found by Cheapflights users on 9/24. 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 12/274:00 pm -
2 stops22h 50m
Sun 1/106:15 am -
2 stops20h 32m
Deal found 9/24![United Airlines logo]()
$961
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 28, 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 28, 2026.
This United Airlines deal was found by Cheapflights users on 9/25. 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 12/211:20 am -
2 stops16h 30m
Tue 12/156:15 am -
2 stops20h 21m
Deal found 9/25![United Airlines logo]()
$814
This Delta deal was found by Cheapflights users on 9/23. 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.
Fri 12/1112:20 pm -
2 stops26h 05m
Sun 1/106:05 am -
2 stops25h 38m
Deal found 9/23![Delta logo]()
$902
This United Airlines deal was found by Cheapflights users on 9/25. 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 12/211:20 am -
2 stops16h 30m
Wed 12/166:15 am -
2 stops20h 21m
Deal found 9/25![United Airlines logo]()
$814
This United Airlines deal was found by Cheapflights users on 9/25. 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 12/211:20 am -
2 stops16h 30m
Thu 12/176:15 am -
2 stops25h 23m
Deal found 9/25![United Airlines logo]()
$814
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/289:25 am -
2 stops19h 25m
Wed 11/116:15 am -
2 stops20h 46m
Deal found 9/26![United Airlines logo]()
$823
This United Airlines deal was found by Cheapflights users on 9/25. 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 12/211:20 am -
2 stops16h 30m
Fri 12/116:15 am -
2 stops23h 23m
Deal found 9/25![United Airlines logo]()
$823
This United Airlines deal was found by Cheapflights users on 9/23. 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 2/2111:20 am -
2 stops16h 30m
Sun 3/76:15 am -
2 stops23h 05m
Deal found 9/23![United Airlines logo]()
$849
This United Airlines deal was found by Cheapflights users on 9/28. 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 12/34:17 pm -
2 stops22h 33m
Fri 12/116:15 am -
2 stops23h 23m
Deal found 9/28![United Airlines logo]()
$873
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/255:00 am -
2 stops23h 50m
Sun 11/86:15 am -
2 stops23h 00m
Deal found 9/23![United Airlines logo]()
$874
This United Airlines deal was found by Cheapflights users on 9/24. 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 12/111:20 am -
2 stops16h 30m
Wed 12/166:15 am -
2 stops23h 23m
Deal found 9/24![United Airlines logo]()
$1,009
This United Airlines deal was found by Cheapflights users on 9/24. 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 10/165:00 am -
2 stops25h 45m
Fri 10/306:15 am -
2 stops23h 25m
Deal found 9/24![United Airlines logo]()
$1,120
This United Airlines deal was found by Cheapflights users on 9/23. 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 12/116:00 am -
2 stops32h 50m
Sun 1/101:40 pm -
3 stops63h 40m
Deal found 9/23![United Airlines logo]()
$1,161
Last-minute flights from Ontario to BelgradeDiscover last-minute flight deals from Ontario to Belgrade. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Belgrade. Data last updated September 28, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/165:00 am -
2 stops22h 25m
Thu 11/56:15 am -
2 stops20h 41m
Deal found 9/23![United Airlines logo]()
$943
This United Airlines deal was found by Cheapflights users on 9/24. 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 10/165:00 am -
2 stops25h 45m
Fri 10/306:15 am -
2 stops23h 25m
Deal found 9/24![United Airlines logo]()
$1,120
This United Airlines deal was found by Cheapflights users on 9/27. 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 10/199:25 am -
2 stops18h 05m
Mon 11/21:40 pm -
2 stops38h 07m
Deal found 9/27![United Airlines logo]()
$922
This Mytrip deal was found by Cheapflights users on 9/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:52 am -
3 stops25h 13m
Fri 10/309:40 am -
3 stops31h 25m
Deal found 9/23![Multiple Airlines logo]()
$957
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/255:00 am -
2 stops23h 50m
Sun 11/86:15 am -
2 stops23h 00m
Deal found 9/23![United Airlines logo]()
$874
This British Airways deal was found by Cheapflights users on 9/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:43 pm -
2 stops20h 22m
Tue 11/1010:10 am -
2 stops21h 47m
Deal found 9/25![Multiple Airlines logo]()
$1,118
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/289:25 am -
2 stops19h 25m
Wed 11/116:15 am -
2 stops20h 46m
Deal found 9/26![United Airlines logo]()
$823
This Booking.com deal was found by Cheapflights users on 9/27. 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.
Wed 10/2812:43 pm -
2 stops20h 22m
Tue 11/1010:10 am -
2 stops21h 47m
Deal found 9/27![Multiple Airlines logo]()
$1,096
This Booking.com deal was found by Cheapflights users on 9/27. 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.
Thu 10/2912:43 pm -
2 stops20h 22m
Thu 11/1210:10 am -
2 stops22h 36m
Deal found 9/27![Multiple Airlines logo]()
$1,213
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 28, 2026.
Search for one-way flight options from Ontario to Belgrade. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This United deal was found by Cheapflights users on 9/26. 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 10/51:52 pm -
2 stops23h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$630
This KAYAK deal was found by Cheapflights users on 9/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:52 pm -
2 stops23h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Lufthansa logo]()
$646
This United Airlines deal was found by Cheapflights users on 9/27. 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 10/36:00 am -
2 stops31h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![United Airlines logo]()
$690
This KAYAK deal was found by Cheapflights users on 9/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:52 pm -
2 stops23h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Lufthansa logo]()
$703
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 28, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $769 (United Airlines) |
One-way from | $630 (United) |
Popular in | June |
Cheapest in | January |
Average price | $974 |
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 28, 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
Mon 10/5
1:52 pm-10:05 pm
2 stops23h 13m
Belgrade Nikola Tesla
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$630
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Mon 10/5
1:52 pm-10:05 pm
2 stops23h 13m
Belgrade Nikola Tesla
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$646
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Sat 10/3
6:00 am-10:05 pm
2 stops31h 05m
Belgrade Nikola Tesla
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$690
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Sat 10/3
1:52 pm-10:05 pm
2 stops23h 13m
Belgrade Nikola Tesla
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$703
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Wed 12/2
11:20 am-12:50 pm
2 stops16h 30m
Belgrade Nikola Tesla
Tue 12/15
6:15 am-5:36 pm
2 stops20h 21m
$814
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Wed 12/2
11:20 am-12:50 pm
2 stops16h 30m
Belgrade Nikola Tesla
Wed 12/16
6:15 am-5:36 pm
2 stops20h 21m
$814
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Wed 12/2
11:20 am-12:50 pm
2 stops16h 30m
Belgrade Nikola Tesla
Thu 12/17
6:15 am-10:38 pm
2 stops25h 23m
$814
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Wed 10/28
9:25 am-12:50 pm
2 stops19h 25m
Belgrade Nikola Tesla
Wed 11/11
6:15 am-6:01 pm
2 stops20h 46m
$823
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Wed 12/2
11:20 am-12:50 pm
2 stops16h 30m
Belgrade Nikola Tesla
Fri 12/11
6:15 am-8:38 pm
2 stops23h 23m
$823
OntarioBelgrade
ONT Ontario - BEG Belgrade Nikola Tesla
ONTBEG
Ontario
Sun 2/21
11:20 am-12:50 pm
2 stops16h 30m
Belgrade Nikola Tesla
Sun 3/7
6:15 am-8:20 pm
2 stops23h 05m
$849
Showing 1-10 of 16 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.
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