$498+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SYD
Oct 29 — Nov 51
Round-trip
1 adult, Economy
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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
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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 September 29, 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 September 29, 2026.
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:55 am -
1 stop38h 50m
Sun 11/159:40 pm -
1 stop20h 03m
Deal found 9/26![Multiple Airlines logo]()
$999
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:03 am -
1 stop40h 42m
Tue 12/89:40 pm -
1 stop18h 45m
Deal found 9/25![Multiple Airlines logo]()
$1,000
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
1 stop18h 45m
Sun 11/159:40 pm -
1 stop20h 03m
Deal found 9/25![Multiple Airlines logo]()
$1,002
This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:55 am -
1 stop38h 50m
Tue 11/179:40 pm -
1 stop20h 03m
Deal found 9/24![Multiple Airlines logo]()
$1,020
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:55 am -
1 stop38h 50m
Sat 11/149:40 pm -
1 stop20h 03m
Deal found 9/28![Multiple Airlines logo]()
$1,049
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:55 am -
1 stop38h 50m
Tue 11/249:40 pm -
1 stop18h 43m
Deal found 9/24![Multiple Airlines logo]()
$1,051
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop18h 45m
Tue 11/179:40 pm -
1 stop20h 03m
Deal found 9/25![Multiple Airlines logo]()
$1,052
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
1 stop18h 45m
Fri 11/69:40 pm -
1 stop20h 03m
Deal found 9/24![Multiple Airlines logo]()
$1,053
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:55 am -
1 stop38h 50m
Fri 11/139:40 pm -
1 stop20h 03m
Deal found 9/28![Multiple Airlines logo]()
$1,060
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop18h 45m
Thu 12/39:40 pm -
1 stop18h 45m
Deal found 9/24![Multiple Airlines logo]()
$1,080
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop18h 45m
Fri 11/139:40 pm -
1 stop20h 03m
Deal found 9/25![Multiple Airlines logo]()
$1,082
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
1 stop18h 45m
Sun 11/89:40 pm -
1 stop20h 03m
Deal found 9/24![Multiple Airlines logo]()
$1,086
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 September 29, 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 September 29, 2026.
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 10/194:03 pm -
1 stop21h 27m
Sun 11/111:20 am -
1 stop19h 09m
Deal found 9/24![United Airlines logo]()
$1,104
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:55 am -
2 stops55h 10m
Thu 12/34:00 pm -
2 stops24h 25m
Deal found 9/28![Multiple Airlines logo]()
$1,121
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 2/186:35 pm -
1 stop18h 55m
Tue 3/911:20 am -
1 stop19h 00m
Deal found 9/28![United Airlines logo]()
$1,116
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.
Fri 10/234:03 pm -
1 stop21h 27m
Sun 11/811:20 am -
1 stop19h 09m
Deal found 9/27![United Airlines logo]()
$1,116
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1410:03 am -
2 stops38h 42m
Thu 3/49:40 pm -
1 stop18h 48m
Deal found 9/28![Multiple Airlines logo]()
$1,331
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 10/186:32 pm -
1 stop18h 58m
Fri 10/2310:30 am -
1 stop18h 48m
Deal found 9/24![United Airlines logo]()
$1,117
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/67:00 am -
1 stop17h 45m
Thu 2/49:40 pm -
1 stop18h 38m
Deal found 9/27![Multiple Airlines logo]()
$1,355
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.
Sat 10/315:00 am -
2 stops32h 30m
Wed 11/411:20 am -
1 stop22h 13m
Deal found 9/25![United Airlines logo]()
$1,121
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 11/86:37 pm -
1 stop20h 53m
Tue 11/2412:45 pm -
1 stop21h 48m
Deal found 9/24![United Airlines logo]()
$1,134
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 2/14:03 pm -
1 stop22h 17m
Mon 2/1511:50 am -
1 stop17h 07m
Deal found 9/24![United Airlines logo]()
$1,134
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.
Wed 2/105:00 am -
2 stops34h 30m
Tue 2/1612:45 pm -
1 stop23h 50m
Deal found 9/28![United Airlines logo]()
$1,137
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.
Sun 11/226:37 pm -
2 stops24h 43m
Sun 12/611:20 am -
1 stop22h 15m
Deal found 9/28![United Airlines logo]()
$1,138
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 2/186:35 pm -
1 stop19h 45m
Sat 2/201:00 pm -
2 stops47h 35m
Deal found 9/28![United Airlines logo]()
$1,140
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.
Mon 2/14:03 pm -
1 stop23h 27m
Mon 2/88:10 am -
2 stops20h 37m
Deal found 9/26![United Airlines logo]()
$1,142
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.
Sat 10/311:29 pm -
2 stops51h 01m
Wed 11/412:45 pm -
2 stops27h 06m
Deal found 9/24![United Airlines logo]()
$1,153
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.
Fri 10/166:32 pm -
1 stop20h 43m
Wed 10/2811:45 am -
1 stop18h 44m
Deal found 9/28![United Airlines logo]()
$1,183
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.
Sun 10/251:35 pm -
1 stop25h 45m
Fri 11/611:50 am -
1 stop22h 43m
Deal found 9/28![United Airlines logo]()
$1,183
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 2/84:03 pm -
1 stop23h 27m
Thu 2/1812:45 pm -
1 stop21h 42m
Deal found 9/24![United Airlines logo]()
$1,184
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 10/236:32 pm -
1 stop19h 23m
Wed 11/411:50 am -
1 stop22h 43m
Deal found 9/24![United Airlines logo]()
$1,184
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 10/265:00 am -
2 stops34h 20m
Fri 11/611:50 am -
1 stop19h 39m
Deal found 9/24![United Airlines logo]()
$1,189
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.
Mon 10/191:24 pm -
2 stops24h 31m
Fri 10/2311:20 am -
2 stops43h 26m
Deal found 9/25![United Airlines logo]()
$1,203
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 2/274:03 pm -
1 stop23h 27m
Fri 3/1212:45 pm -
1 stop18h 35m
Deal found 9/26![United Airlines logo]()
$1,233
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.
Thu 11/56:37 pm -
1 stop19h 43m
Thu 11/1211:50 am -
1 stop19h 39m
Deal found 9/25![United Airlines logo]()
$1,233
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.
Sat 2/611:20 am -
1 stop28h 10m
Sat 2/1312:45 pm -
1 stop21h 42m
Deal found 9/24![United Airlines logo]()
$1,234
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 11/125:00 am -
2 stops34h 30m
Thu 11/1912:45 pm -
1 stop21h 48m
Deal found 9/28![United Airlines logo]()
$1,237
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.
Thu 1/214:03 pm -
2 stops46h 32m
Sun 1/3112:45 pm -
1 stop21h 42m
Deal found 9/27![United Airlines logo]()
$1,255
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/284:17 pm -
1 stop21h 13m
Wed 11/411:20 am -
1 stop19h 09m
Deal found 9/29![United Airlines logo]()
$1,376
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.
Sat 3/276:00 am -
2 stops55h 30m
Wed 4/710:30 am -
1 stop24h 17m
Deal found 9/25![United Airlines logo]()
$1,439
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.
Sun 10/115:00 am -
2 stops32h 55m
Tue 10/2011:20 am -
2 stops27h 38m
Deal found 9/28![United Airlines logo]()
$1,470
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.
Sun 12/276:27 pm -
1 stop19h 53m
Sun 1/1711:50 am -
1 stop16h 57m
Deal found 9/28![United Airlines logo]()
$1,532
Last-minute flights from Ontario to AustraliaDiscover last-minute flight deals from Ontario to Australia. Data last updated September 29, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Australia. Data last updated September 29, 2026 and is based on user searches.
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.
Mon 10/124:03 pm -
1 stop21h 27m
Fri 10/1610:30 am -
1 stop18h 48m
Deal found 9/26![United Airlines logo]()
$1,111
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 10/194:03 pm -
1 stop21h 27m
Sun 11/111:20 am -
1 stop19h 09m
Deal found 9/24![United Airlines logo]()
$1,104
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:00 am -
1 stop17h 50m
Fri 10/309:40 pm -
1 stop17h 49m
Deal found 9/24![Multiple Airlines logo]()
$1,103
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am -
1 stop18h 45m
Sat 11/149:40 pm -
1 stop20h 03m
Deal found 9/28![Multiple Airlines logo]()
$1,101
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
1 stop18h 45m
Sun 11/159:40 pm -
1 stop20h 03m
Deal found 9/25![Multiple Airlines logo]()
$1,002
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
1 stop18h 45m
Thu 11/59:40 pm -
1 stop20h 03m
Deal found 9/24![Multiple Airlines logo]()
$1,053
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
1 stop18h 45m
Sun 11/89:40 pm -
1 stop20h 03m
Deal found 9/24![Multiple Airlines logo]()
$1,086
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
1 stop18h 45m
Fri 10/309:40 pm -
1 stop17h 49m
Deal found 9/28![Multiple Airlines logo]()
$1,110
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop18h 45m
Tue 11/179:40 pm -
1 stop20h 03m
Deal found 9/25![Multiple Airlines logo]()
$1,052
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop18h 45m
Fri 11/139:40 pm -
1 stop20h 03m
Deal found 9/25![Multiple Airlines logo]()
$1,082
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop18h 45m
Thu 11/199:40 pm -
1 stop20h 03m
Deal found 9/25![Multiple Airlines logo]()
$1,102
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop18h 45m
Thu 12/39:40 pm -
1 stop18h 45m
Deal found 9/24![Multiple Airlines logo]()
$1,080
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 September 29, 2026.
Search for one-way flight options from Ontario to Australia. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop18h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$498
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
1 stop18h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$499
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:55 am -
1 stop38h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$521
This Expedia 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 Expedia 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 9/28![Multiple Airlines logo]()
$532
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
2 stops22h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$544
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
2 stops22h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$545
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am -
1 stop18h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$558
This Booking.com deal was found by Cheapflights users on 9/29. 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 2/289:00 am -
1 stop39h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$561
This Booking.com deal was found by Cheapflights users on 9/29. 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.
Tue 3/29:00 am -
1 stop39h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$562
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:35 pm -
2 stops48h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Delta logo]()
$564
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop18h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$577
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.
Thu 11/56:37 pm -
1 stop18h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![United Airlines logo]()
$579
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 September 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $999 (SmartFares) |
One-way from | $498 (SmartFares) |
Popular in | December |
Cheapest in | May |
Average price | $975 |
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 September 29, 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
Quickest round-trip
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Mon 10/26
7:00 am-7:45 pm
1 stop18h 45m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$517
OntarioBrisbane
ONT Ontario - BNE Brisbane
ONTBNE
Ontario
Wed 2/3
7:00 am-9:45 am
2 stops32h 45m
Brisbane
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$545
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Wed 3/10
4:03 pm-6:20 am
1 stop19h 17m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$578
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Mon 11/23
4:17 pm-9:20 am
1 stop22h 03m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$578
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Wed 11/25
1:35 pm-9:20 am
1 stop24h 45m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$578
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Sat 10/31
7:00 am-7:45 pm
1 stop18h 45m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$578
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Mon 11/2
4:17 pm-9:20 am
1 stop22h 03m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$578
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Sun 10/18
6:32 pm-7:55 am
1 stop19h 23m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$578
OntarioBrisbane
ONT Ontario - BNE Brisbane
ONTBNE
Ontario
Sun 1/31
4:03 pm-7:30 am
1 stop21h 27m
Brisbane
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$581
OntarioBrisbane
ONT Ontario - BNE Brisbane
ONTBNE
Ontario
Wed 10/28
1:29 pm-6:30 am
2 stops24h 01m
Brisbane
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$583
Showing 1-10 of 58 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
ONT-BNE
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
ONT-BNE
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 September 29, 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.
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Boarding
7.7
Overall
7.4
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Boarding
7.7
Overall
7.4
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.
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Alternative routes for Ontario to Australia
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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 September 29, 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 September 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,049 | Average$1,111 | FlexibilityNo cancel fee | On-time69% |