$604+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SYD
Nov 25 — Dec 21
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 October 26, 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 26, 2026.
This SmartFares deal was found by Cheapflights users on 10/22. 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 11/39:55 am -
1 stop38h 50m
Tue 11/249:40 pm -
1 stop18h 43m
Deal found 10/22![Multiple Airlines logo]()
$1,071
This oojo deal was found by Cheapflights users on 10/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:37 pm -
1 stop19h 43m
Mon 11/1611:50 am -
1 stop22h 43m
Deal found 10/24![Air New Zealand logo]()
$1,089
This oojo deal was found by Cheapflights users on 10/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/251:35 pm -
1 stop25h 45m
Mon 11/911:50 am -
1 stop19h 39m
Deal found 10/23![Air New Zealand logo]()
$1,090
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/84:17 pm -
1 stop22h 03m
Mon 11/2311:50 am -
1 stop19h 39m
Deal found 10/22![United Airlines logo]()
$1,110
This oojo deal was found by Cheapflights users on 10/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:17 pm -
1 stop22h 03m
Mon 11/911:50 am -
1 stop19h 39m
Deal found 10/26![Air New Zealand logo]()
$1,114
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/84:17 pm -
1 stop23h 13m
Mon 11/2312:45 pm -
1 stop18h 44m
Deal found 10/24![United Airlines logo]()
$1,119
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/44:17 pm -
1 stop22h 03m
Tue 11/2411:50 am -
1 stop19h 39m
Deal found 10/22![United Airlines logo]()
$1,119
This United Airlines deal was found by Cheapflights users on 10/23. 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 10/254:17 pm -
1 stop23h 13m
Mon 11/912:45 pm -
1 stop18h 44m
Deal found 10/23![United Airlines logo]()
$1,121
This SmartFares deal was found by Cheapflights users on 10/22. 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
Tue 11/249:40 pm -
1 stop18h 43m
Deal found 10/22![Multiple Airlines logo]()
$1,121
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/96:00 am -
1 stop30h 00m
Mon 11/1611:50 am -
2 stops28h 01m
Deal found 10/22![United Airlines logo]()
$1,123
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Mon 11/96:37 pm -
1 stop19h 43m
Wed 11/1811:50 am -
2 stops28h 01m
Deal found 10/23![United Airlines logo]()
$1,124
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Mon 10/264:17 pm -
1 stop23h 13m
Mon 11/212:45 pm -
1 stop18h 44m
Deal found 10/23![United Airlines logo]()
$1,130
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 26, 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 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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 3/106:53 pm -
1 stop19h 27m
Wed 3/3111:20 am -
1 stop16h 37m
Deal found 10/21![United Airlines logo]()
$1,118
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/47:00 am -
1 stop17h 45m
Sat 2/139:40 pm -
1 stop18h 48m
Deal found 10/23![Multiple Airlines logo]()
$1,184
This United Airlines deal was found by Cheapflights users on 10/23. 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 2/144:02 pm -
1 stop22h 18m
Mon 3/111:50 am -
1 stop17h 32m
Deal found 10/23![United Airlines logo]()
$1,119
This United Airlines deal was found by Cheapflights users on 10/22. 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 3/81:33 pm -
1 stop24h 47m
Fri 3/199:15 am -
2 stops29h 17m
Deal found 10/22![United Airlines logo]()
$1,173
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/226:37 pm -
1 stop19h 43m
Fri 11/279:15 am -
2 stops30h 36m
Deal found 10/25![United Airlines logo]()
$1,173
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Wed 2/246:35 pm -
1 stop20h 55m
Sat 3/612:45 pm -
1 stop18h 35m
Deal found 10/23![United Airlines logo]()
$1,180
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:00 am -
1 stop17h 45m
Sun 1/249:40 pm -
1 stop18h 38m
Deal found 10/26![Multiple Airlines logo]()
$1,694
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Wed 3/316:53 pm -
1 stop20h 22m
Wed 4/76:00 am -
2 stops20h 57m
Deal found 10/24![United Airlines logo]()
$1,191
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/94:17 pm -
1 stop23h 13m
Thu 12/38:30 am -
2 stops20h 08m
Deal found 10/21![United Airlines logo]()
$1,193
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/66:37 pm -
1 stop19h 43m
Fri 11/1311:50 am -
1 stop19h 39m
Deal found 10/22![United Airlines logo]()
$1,219
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Tue 11/171:35 pm -
1 stop24h 45m
Tue 12/811:50 am -
1 stop16h 48m
Deal found 10/23![United Airlines logo]()
$1,260
This United Airlines deal was found by Cheapflights users on 10/24. 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 1/293:59 pm -
2 stops23h 06m
Fri 2/198:10 am -
2 stops21h 12m
Deal found 10/24![United Airlines logo]()
$1,262
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/214:17 pm -
1 stop22h 03m
Fri 11/2711:50 am -
1 stop19h 39m
Deal found 10/25![United Airlines logo]()
$1,360
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Sun 1/246:37 pm -
1 stop20h 53m
Thu 4/111:55 am -
1 stop18h 25m
Deal found 10/26![United Airlines logo]()
$1,361
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Tue 12/811:20 am -
1 stop27h 00m
Tue 12/1511:50 am -
1 stop16h 48m
Deal found 10/23![United Airlines logo]()
$1,389
This United Airlines deal was found by Cheapflights users on 10/22. 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 3/106:53 pm -
2 stops23h 12m
Fri 3/1911:45 am -
1 stop18h 35m
Deal found 10/22![United Airlines logo]()
$1,495
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Sun 11/156:37 pm -
1 stop20h 53m
Mon 11/3012:45 pm -
1 stop18h 44m
Deal found 10/26![United Airlines logo]()
$1,569
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/41:05 pm -
1 stop25h 15m
Fri 1/1511:50 am -
1 stop17h 07m
Deal found 10/22![United Airlines logo]()
$1,650
This United Airlines deal was found by Cheapflights users on 10/26. 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 2/126:37 pm -
1 stop20h 53m
Sat 2/208:10 am -
2 stops21h 12m
Deal found 10/26![United Airlines logo]()
$1,707
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/811:20 am -
1 stop28h 10m
Wed 12/3012:45 pm -
1 stop18h 13m
Deal found 10/22![United Airlines logo]()
$1,794
This United Airlines deal was found by Cheapflights users on 10/25. 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 1/62:00 pm -
1 stop25h 30m
Mon 1/1812:45 pm -
1 stop26h 40m
Deal found 10/25![United Airlines logo]()
$1,875
This United Airlines deal was found by Cheapflights users on 10/24. 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 3/196:53 pm -
1 stop20h 37m
Sat 4/1010:55 am -
1 stop18h 25m
Deal found 10/24![United Airlines logo]()
$1,917
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/285:00 am -
2 stops34h 30m
Fri 1/812:45 pm -
2 stops51h 15m
Deal found 10/26![United Airlines logo]()
$1,947
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/214:17 pm -
1 stop22h 03m
Sat 11/2811:50 am -
1 stop19h 39m
Deal found 10/25![United Airlines logo]()
$2,050
Last-minute flights from Ontario to AustraliaDiscover last-minute flight deals from Ontario to Australia. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Australia. Data last updated October 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Mon 10/264:17 pm -
1 stop23h 13m
Mon 11/212:45 pm -
1 stop18h 44m
Deal found 10/23![United Airlines logo]()
$1,130
This oojo deal was found by Cheapflights users on 10/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:17 pm -
1 stop22h 03m
Mon 11/911:50 am -
1 stop19h 39m
Deal found 10/26![Air New Zealand logo]()
$1,114
This United Airlines deal was found by Cheapflights users on 10/22. 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 10/22![United Airlines logo]()
$1,129
This SmartFares deal was found by Cheapflights users on 10/22. 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 11/39:55 am -
1 stop38h 50m
Tue 11/249:40 pm -
1 stop18h 43m
Deal found 10/22![Multiple Airlines logo]()
$1,071
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/44:17 pm -
1 stop22h 03m
Tue 11/2411:50 am -
1 stop19h 39m
Deal found 10/22![United Airlines logo]()
$1,119
This SmartFares deal was found by Cheapflights users on 10/22. 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
Tue 11/249:40 pm -
1 stop18h 43m
Deal found 10/22![Multiple Airlines logo]()
$1,121
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/84:17 pm -
1 stop22h 03m
Mon 11/2311:50 am -
1 stop19h 39m
Deal found 10/22![United Airlines logo]()
$1,110
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/84:17 pm -
1 stop23h 13m
Mon 11/2312:45 pm -
1 stop18h 44m
Deal found 10/24![United Airlines logo]()
$1,119
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/85:00 am -
2 stops34h 30m
Tue 12/112:45 pm -
1 stop23h 51m
Deal found 10/25![United Airlines logo]()
$1,134
This oojo deal was found by Cheapflights users on 10/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:37 pm -
1 stop19h 43m
Mon 11/1611:50 am -
1 stop22h 43m
Deal found 10/24![Air New Zealand logo]()
$1,089
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/96:00 am -
1 stop30h 00m
Mon 11/1611:50 am -
2 stops28h 01m
Deal found 10/22![United Airlines logo]()
$1,123
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Mon 11/96:37 pm -
1 stop19h 43m
Wed 11/1811:50 am -
2 stops28h 01m
Deal found 10/23![United Airlines logo]()
$1,124
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 26, 2026.
Search for one-way flight options from Ontario to Australia. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/26. 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 2/1511:27 am -
1 stop28h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$604
This oojo deal was found by Cheapflights users on 10/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:17 pm -
1 stop22h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Air New Zealand logo]()
$611
This Kissandfly.com deal was found by Cheapflights users on 10/22. 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.
Wed 11/41:35 pm -
1 stop24h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Lufthansa logo]()
$615
This oojo deal was found by Cheapflights users on 10/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/296:27 pm -
1 stop40h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Air New Zealand logo]()
$617
This Kissandfly.com deal was found by Cheapflights users on 10/23. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:35 pm -
1 stop24h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Lufthansa logo]()
$618
This United Airlines deal was found by Cheapflights users on 10/23. 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 4/46:53 pm -
2 stops23h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$622
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/66:40 pm -
1 stop19h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$622
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/31:29 pm -
2 stops26h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$624
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/41:29 pm -
2 stops24h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$625
This United Airlines deal was found by Cheapflights users on 10/21. 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 1/247:25 am -
2 stops32h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$626
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Wed 2/105:00 am -
2 stops30h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$626
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Sun 12/276:00 am -
1 stop33h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$636
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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,021 (SmartFares) |
One-way from | $604 (United Airlines) |
Popular in | December |
Cheapest in | May |
Average price | $1,001 |
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 26, 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
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Mon 3/22
1:00 pm-9:30 am
2 stops26h 30m
Melbourne
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$604
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Tue 12/8
11:20 am-10:30 am
1 stop28h 10m
Melbourne
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$624
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Wed 11/18
1:35 pm-10:30 am
1 stop25h 55m
Melbourne
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$624
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Wed 12/9
5:45 am-10:30 am
2 stops33h 45m
Melbourne
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$624
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Sun 11/15
6:37 pm-9:20 am
1 stop19h 43m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$625
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Sun 2/14
11:27 am-9:20 am
1 stop26h 53m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$625
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Wed 11/4
1:35 pm-9:20 am
1 stop24h 45m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$625
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Tue 11/3
1:35 pm-9:20 am
1 stop24h 45m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$626
Quickest round-trip
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Sun 2/7
3:59 pm-6:20 am
1 stop19h 21m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$626
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Sun 11/1
6:37 pm-9:20 am
1 stop19h 43m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$626
Showing 1-10 of 46 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 26, 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
7.3
Entertainment
7.1
Food
6.7
Crew
8.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Overall
7.3
Entertainment
7.1
Food
6.7
Crew
8.1
Boarding
7.7
Comfort
7.3
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
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 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,049 | Average$1,111 | FlexibilityNo cancel fee | On-time69% |