$491+ Cheap flights from Ontario (ONT) to Australia
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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SYD
Nov 12 — Nov 191
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to Australia 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 Australia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to AustraliaExplore the most affordable flight options available from Ontario to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2026.
Explore the most affordable flight options available from Ontario to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2026.
This SmartFares deal was found by Cheapflights users on 10/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:55 am -
1 stop38h 50m
Tue 12/19:40 pm -
1 stop18h 45m
Deal found 10/8![Multiple Airlines logo]()
$994
This Alaska Airlines deal was found by Cheapflights users on 10/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:55 am -
1 stop38h 50m
Sun 11/229:40 pm -
1 stop18h 43m
Deal found 10/11![Multiple Airlines logo]()
$1,013
This SmartFares deal was found by Cheapflights users on 10/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:55 am -
1 stop38h 50m
Sun 11/89:40 pm -
1 stop20h 03m
Deal found 10/9![Multiple Airlines logo]()
$1,044
This SmartFares deal was found by Cheapflights users on 10/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:55 am -
1 stop38h 50m
Tue 11/249:40 pm -
1 stop18h 43m
Deal found 10/12![Multiple Airlines logo]()
$1,052
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop18h 45m
Sun 11/89:40 pm -
1 stop20h 03m
Deal found 10/9![Multiple Airlines logo]()
$1,056
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:55 am -
1 stop38h 50m
Sun 11/159:40 pm -
1 stop20h 03m
Deal found 10/9![Multiple Airlines logo]()
$1,071
This Ovago deal was found by Cheapflights users on 10/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am -
1 stop17h 50m
Thu 10/228:45 pm -
1 stop18h 44m
Deal found 10/8![Multiple Airlines logo]()
$1,072
This Kissandfly.com deal was found by Cheapflights users on 10/11. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:52 pm -
1 stop24h 03m
Mon 11/211:50 am -
1 stop19h 39m
Deal found 10/11![Lufthansa logo]()
$1,073
This Ovago deal was found by Cheapflights users on 10/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:00 am -
1 stop17h 50m
Fri 10/238:45 pm -
1 stop18h 44m
Deal found 10/10![Multiple Airlines logo]()
$1,082
This United Airlines deal was found by Cheapflights users on 10/11. 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 11/24:17 pm -
1 stop23h 13m
Wed 11/1812:45 pm -
1 stop18h 44m
Deal found 10/11![United Airlines logo]()
$1,105
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Sun 10/184:03 pm -
1 stop23h 12m
Mon 11/212:45 pm -
1 stop18h 44m
Deal found 10/8![United Airlines logo]()
$1,120
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Sun 10/184:03 pm -
1 stop23h 12m
Tue 11/312:45 pm -
1 stop18h 44m
Deal found 10/8![United Airlines logo]()
$1,123
Best flights from Ontario to AustraliaDiscover carefully curated flight deals from Ontario to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
Discover carefully curated flight deals from Ontario to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:55 am -
1 stop38h 50m
Sun 11/159:40 pm -
1 stop20h 03m
Deal found 10/9![Multiple Airlines logo]()
$1,071
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Sun 10/184:03 pm -
1 stop23h 12m
Mon 11/212:45 pm -
1 stop18h 44m
Deal found 10/9![United Airlines logo]()
$1,122
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Sun 3/216:53 pm -
1 stop20h 27m
Wed 3/3111:20 am -
1 stop16h 37m
Deal found 10/9![United Airlines logo]()
$1,127
This United Airlines deal was found by Cheapflights users on 10/12. 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 3/86:53 pm -
1 stop19h 27m
Mon 3/2211:50 am -
1 stop18h 30m
Deal found 10/12![United Airlines logo]()
$1,127
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:03 am -
1 stop40h 42m
Sun 12/139:40 pm -
1 stop18h 45m
Deal found 10/12![Multiple Airlines logo]()
$1,358
This United Airlines deal was found by Cheapflights users on 10/12. 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 2/102:00 pm -
1 stop21h 20m
Wed 2/1711:50 am -
1 stop16h 57m
Deal found 10/12![United Airlines logo]()
$1,127
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Tue 12/296:27 pm -
1 stop40h 53m
Tue 2/211:50 am -
1 stop25h 13m
Deal found 10/9![United Airlines logo]()
$1,133
This United Airlines deal was found by Cheapflights users on 10/11. 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 11/26:00 am -
1 stop30h 00m
Fri 11/611:50 am -
1 stop19h 39m
Deal found 10/11![United Airlines logo]()
$1,177
This United Airlines deal was found by Cheapflights users on 10/10. 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 11/306:37 pm -
1 stop19h 43m
Fri 12/411:50 am -
1 stop16h 48m
Deal found 10/10![United Airlines logo]()
$1,177
This United Airlines deal was found by Cheapflights users on 10/10. 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 10/261:32 pm -
2 stops25h 48m
Fri 10/309:15 am -
1 stop30h 25m
Deal found 10/10![United Airlines logo]()
$1,181
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Tue 12/294:00 pm -
1 stop23h 30m
Sat 1/1612:45 pm -
1 stop21h 33m
Deal found 10/9![United Airlines logo]()
$1,182
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/315:00 am -
2 stops34h 30m
Wed 11/412:45 pm -
1 stop26h 30m
Deal found 10/12![United Airlines logo]()
$1,186
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Wed 12/301:38 pm -
2 stops25h 52m
Sat 1/1612:45 pm -
2 stops27h 15m
Deal found 10/9![United Airlines logo]()
$1,186
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Wed 11/185:00 am -
2 stops34h 30m
Fri 11/278:40 am -
2 stops22h 49m
Deal found 10/8![United Airlines logo]()
$1,196
This United Airlines deal was found by Cheapflights users on 10/11. 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 10/311:29 pm -
2 stops49h 51m
Sat 11/711:50 am -
1 stop19h 39m
Deal found 10/11![United Airlines logo]()
$1,196
This United Airlines deal was found by Cheapflights users on 10/11. 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 12/254:00 pm -
1 stop23h 30m
Mon 1/1112:10 pm -
2 stops43h 09m
Deal found 10/11![United Airlines logo]()
$1,198
This United Airlines deal was found by Cheapflights users on 10/11. 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 10/248:03 am -
2 stops28h 57m
Sat 10/3111:50 am -
1 stop18h 39m
Deal found 10/11![United Airlines logo]()
$1,227
This United Airlines deal was found by Cheapflights users on 10/10. 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 11/56:37 pm -
1 stop20h 53m
Thu 11/266:15 am -
2 stops23h 28m
Deal found 10/10![United Airlines logo]()
$1,246
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/195:00 am -
2 stops34h 30m
Thu 12/1712:45 pm -
1 stop24h 01m
Deal found 10/12![United Airlines logo]()
$1,516
This United Airlines deal was found by Cheapflights users on 10/12. 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 12/254:00 pm -
1 stop23h 30m
Thu 12/3112:45 pm -
1 stop18h 13m
Deal found 10/12![United Airlines logo]()
$2,118
Last-minute flights from Ontario to AustraliaDiscover last-minute flight deals from Ontario to Australia. Data last updated October 13, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Australia. Data last updated October 13, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 10/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am -
1 stop17h 50m
Thu 10/228:45 pm -
1 stop18h 44m
Deal found 10/8![Multiple Airlines logo]()
$1,072
This Kissandfly.com deal was found by Cheapflights users on 10/11. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:52 pm -
1 stop24h 03m
Mon 11/211:50 am -
1 stop19h 39m
Deal found 10/11![Lufthansa logo]()
$1,073
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Sun 10/184:03 pm -
1 stop23h 12m
Mon 11/212:45 pm -
1 stop18h 44m
Deal found 10/8![United Airlines logo]()
$1,120
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Sun 10/184:03 pm -
1 stop23h 12m
Tue 11/312:45 pm -
1 stop18h 44m
Deal found 10/8![United Airlines logo]()
$1,123
This Ovago deal was found by Cheapflights users on 10/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:00 am -
1 stop17h 50m
Fri 10/238:45 pm -
1 stop18h 44m
Deal found 10/10![Multiple Airlines logo]()
$1,082
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop18h 45m
Sun 11/89:40 pm -
1 stop20h 03m
Deal found 10/9![Multiple Airlines logo]()
$1,056
This United Airlines deal was found by Cheapflights users on 10/11. 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 11/24:17 pm -
1 stop23h 13m
Wed 11/1812:45 pm -
1 stop18h 44m
Deal found 10/11![United Airlines logo]()
$1,105
This SmartFares deal was found by Cheapflights users on 10/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:55 am -
1 stop38h 50m
Sun 11/89:40 pm -
1 stop20h 03m
Deal found 10/9![Multiple Airlines logo]()
$1,044
This Alaska Airlines deal was found by Cheapflights users on 10/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:55 am -
1 stop38h 50m
Sun 11/229:40 pm -
1 stop18h 43m
Deal found 10/11![Multiple Airlines logo]()
$1,013
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:55 am -
1 stop38h 50m
Sun 11/159:40 pm -
1 stop20h 03m
Deal found 10/9![Multiple Airlines logo]()
$1,071
This SmartFares deal was found by Cheapflights users on 10/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:55 am -
1 stop38h 50m
Tue 11/249:40 pm -
1 stop18h 43m
Deal found 10/12![Multiple Airlines logo]()
$1,052
This SmartFares deal was found by Cheapflights users on 10/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:55 am -
1 stop38h 50m
Tue 12/19:40 pm -
1 stop18h 45m
Deal found 10/8![Multiple Airlines logo]()
$994
One-way flights from Ontario to AustraliaSearch for one-way flight options from Ontario to Australia. Find affordable one-way fares based on user searches. Data last updated October 13, 2026.
Search for one-way flight options from Ontario to Australia. Find affordable one-way fares based on user searches. Data last updated October 13, 2026.
This SmartFares deal was found by Cheapflights users on 10/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/37:00 am -
1 stop17h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$491
This SmartFares deal was found by Cheapflights users on 10/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:55 am -
1 stop38h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$494
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/17:00 am -
1 stop17h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$510
This SmartFares deal was found by Cheapflights users on 10/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:55 am -
1 stop38h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$514
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:55 am -
1 stop38h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$533
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/17:00 am -
2 stops32h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$536
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/87:00 am -
2 stops31h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$537
This SmartFares deal was found by Cheapflights users on 10/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/67:00 am -
1 stop17h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$551
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:55 am -
2 stops51h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 10/11. 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 11/294:17 pm -
1 stop22h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![United Airlines logo]()
$562
This flugladen.de deal was found by Cheapflights users on 10/10. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:55 am -
1 stop38h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$566
This Kissandfly.com deal was found by Cheapflights users on 10/10. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/146:35 pm -
1 stop20h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Lufthansa logo]()
$569
Find flight deals from Ontario to Australia
Keep the following information in mind while searching for Ontario to Australia flight deals. Data was last updated October 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $964 (Trip.com) |
One-way from | $491 (SmartFares) |
Popular in | December |
Cheapest in | May |
Average price | $997 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Australia 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 October 13, 2026.
Use the filters below to find and compare flights from Ontario to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Sun 11/8
9:55 am-7:45 pm
1 stop38h 50m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$533
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Tue 12/1
8:03 am-12:40 pm
2 stops57h 37m
Melbourne
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$559
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Mon 2/15
11:20 am-10:30 am
1 stop28h 10m
Melbourne
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$574
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Tue 2/2
5:00 am-10:30 am
2 stops34h 30m
Melbourne
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$574
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Wed 12/2
5:00 am-10:30 am
2 stops34h 30m
Melbourne
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$574
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Wed 11/11
4:17 pm-10:30 am
1 stop23h 13m
Melbourne
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$574
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Sun 4/11
4:03 pm-8:15 am
1 stop23h 12m
Melbourne
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$574
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Mon 11/16
4:17 pm-10:30 am
1 stop23h 13m
Melbourne
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$574
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Sun 2/7
11:20 am-10:30 am
1 stop28h 10m
Melbourne
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$574
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Mon 10/19
1:24 pm-7:55 am
2 stops24h 31m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$575
Showing 1-10 of 42 resultsSorted by cheapest first
Best time to book a flight from Ontario to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Ontario with our price prediction graph.
ONT-SYD
ONT-MEL
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 Australia
ONT-AU0
ONT-SYD
ONT-MEL
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Australia
Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated October 13, 2026.
Get a feel of what it's like to fly with United Airlines from Ontario to Australia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Boarding
7.7
Food
6.7
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Overall
7.4
Boarding
7.7
Food
6.7
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Related info for your journey
Find useful and relevant information for your journey from Ontario to Australia. 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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
Alternative routes for Ontario to Australia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Australia by cabin class
Find flights from Ontario to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Australia flights
Browse other Ontario and Australia flight options. Last updated on October 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Australia flights
Consider these flights traveling from Ontario to Australia.
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top airline flying from Ontario to Australia
Discover the top airline that operate flights from Ontario to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,049 | Average$1,111 | FlexibilityNo cancel fee | On-time69% |