$496+ Cheap flights from Ontario (ONT) to Australia
This is the cheapest one-way 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
Sep 19 — Sep 261
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
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
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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 August 20, 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 August 20, 2026.
This SmartFares deal was found by Cheapflights users on 8/16. 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 10/147:00 am -
1 stop17h 50m
Sun 10/188:45 pm -
1 stop18h 44m
Deal found 8/16![Multiple Airlines logo]()
$985
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
1 stop17h 50m
Tue 10/279:40 pm -
1 stop17h 49m
Deal found 8/17![Multiple Airlines logo]()
$992
This oojo deal was found by Cheapflights users on 8/19. 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 10/287:00 am -
2 stops22h 25m
Sun 11/14:50 pm -
2 stops22h 52m
Deal found 8/19![Multiple Airlines logo]()
$997
This SmartFares deal was found by Cheapflights users on 8/15. 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 9/229:31 am -
1 stop40h 19m
Tue 10/279:40 pm -
1 stop17h 49m
Deal found 8/15![Multiple Airlines logo]()
$1,002
This Booking.com deal was found by Cheapflights users on 8/15. 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 8/309:31 am -
1 stop40h 19m
Tue 9/158:45 pm -
1 stop18h 25m
Deal found 8/15![Multiple Airlines logo]()
$1,008
This Ovago deal was found by Cheapflights users on 8/19. 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.
Wed 10/77:00 am -
1 stop17h 50m
Tue 10/208:45 pm -
1 stop18h 44m
Deal found 8/19![Multiple Airlines logo]()
$1,010
This Ovago deal was found by Cheapflights users on 8/18. 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.
Fri 10/167:00 am -
1 stop17h 50m
Sun 10/259:40 pm -
1 stop17h 49m
Deal found 8/18![Multiple Airlines logo]()
$1,034
This SmartFares deal was found by Cheapflights users on 8/17. 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 10/217:00 am -
1 stop17h 50m
Thu 10/299:40 pm -
1 stop17h 49m
Deal found 8/17![Multiple Airlines logo]()
$1,035
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:00 am -
1 stop18h 45m
Tue 11/39:40 pm -
1 stop19h 02m
Deal found 8/19![Multiple Airlines logo]()
$1,042
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:52 am -
2 stops27h 58m
Wed 9/239:15 am -
2 stops31h 32m
Deal found 8/19![Delta logo]()
$1,049
This Ovago deal was found by Cheapflights users on 8/15. 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.
Tue 9/19:31 am -
1 stop40h 19m
Fri 9/48:45 pm -
1 stop18h 25m
Deal found 8/15![Multiple Airlines logo]()
$1,051
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 10/317:00 am -
1 stop18h 45m
Tue 11/109:40 pm -
1 stop19h 02m
Deal found 8/17![Multiple Airlines logo]()
$1,052
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 August 20, 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 August 20, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 10/317:00 am -
1 stop18h 45m
Sun 11/89:40 pm -
1 stop19h 02m
Deal found 8/18![Multiple Airlines logo]()
$1,052
This United Airlines deal was found by Cheapflights users on 8/16. 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 11/104:17 pm -
1 stop22h 03m
Tue 11/1711:50 am -
1 stop19h 39m
Deal found 8/16![United Airlines logo]()
$1,093
This Qatar Airways deal was found by Cheapflights users on 8/19. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:00 pm -
2 stops34h 30m
Thu 10/1510:00 pm -
2 stops37h 30m
Deal found 8/19![Qatar Airways logo]()
$1,467
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 10/197:00 am -
2 stops22h 35m
Sun 11/86:00 pm -
2 stops22h 42m
Deal found 8/17![Multiple Airlines logo]()
$1,055
This United Airlines deal was found by Cheapflights users on 8/16. 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 1/254:03 pm -
1 stop19h 17m
Mon 2/811:50 am -
1 stop19h 30m
Deal found 8/16![United Airlines logo]()
$1,093
This United Airlines deal was found by Cheapflights users on 8/17. 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 12/611:20 am -
1 stop27h 00m
Sun 12/1311:50 am -
1 stop24h 57m
Deal found 8/17![United Airlines logo]()
$1,093
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/207:13 pm -
1 stop18h 42m
Tue 9/299:30 am -
2 stops22h 52m
Deal found 8/17![United Airlines logo]()
$1,098
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 10/217:00 am -
2 stops22h 05m
Sun 1/172:30 pm -
2 stops25h 18m
Deal found 8/16![Multiple Airlines logo]()
$1,222
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:56 pm -
2 stops24h 04m
Wed 9/3010:20 am -
1 stop17h 03m
Deal found 8/19![United Airlines logo]()
$1,099
This Qatar Airways deal was found by Cheapflights users on 8/19. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:02 am -
2 stops40h 28m
Mon 10/1210:00 pm -
2 stops37h 30m
Deal found 8/19![Qatar Airways logo]()
$1,467
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 stops40h 25m
Sun 11/16:00 am -
2 stops33h 42m
Deal found 8/15![Multiple Airlines logo]()
$1,223
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/225:00 am -
2 stops32h 55m
Tue 9/2910:20 am -
1 stop24h 21m
Deal found 8/19![United Airlines logo]()
$1,099
This Qatar Airways deal was found by Cheapflights users on 8/19. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:02 am -
2 stops40h 28m
Tue 10/1310:00 pm -
2 stops37h 30m
Deal found 8/19![Qatar Airways logo]()
$1,467
This United Airlines deal was found by Cheapflights users on 8/19. 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 10/314:17 pm -
1 stop21h 13m
Wed 11/411:40 am -
1 stop21h 53m
Deal found 8/19![United Airlines logo]()
$1,101
This Qatar Airways deal was found by Cheapflights users on 8/16. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:00 am -
2 stops41h 30m
Sun 11/229:55 pm -
2 stops43h 09m
Deal found 8/16![Qatar Airways logo]()
$1,544
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 9/19:31 am -
2 stops62h 44m
Tue 12/16:00 am -
2 stops33h 28m
Deal found 8/17![Multiple Airlines logo]()
$1,416
This United Airlines deal was found by Cheapflights users on 8/17. 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 10/144:03 pm -
1 stop21h 27m
Wed 11/1111:40 am -
1 stop18h 49m
Deal found 8/17![United Airlines logo]()
$1,101
This oojo deal was found by Cheapflights users on 8/15. 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.
Thu 2/46:00 am -
2 stops40h 35m
Sat 2/1310:00 pm -
2 stops63h 22m
Deal found 8/15![Qatar Airways logo]()
$1,604
This United Airlines deal was found by Cheapflights users on 8/15. 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 10/285:00 am -
2 stops32h 30m
Sun 11/111:40 am -
1 stop18h 49m
Deal found 8/15![United Airlines logo]()
$1,105
This Mytrip deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:10 am -
2 stops32h 35m
Mon 10/511:15 pm -
2 stops33h 45m
Deal found 8/15![Multiple Airlines logo]()
$1,550
This United Airlines deal was found by Cheapflights users on 8/17. 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 8/247:13 pm -
1 stop20h 02m
Wed 11/1112:45 pm -
1 stop18h 44m
Deal found 8/17![United Airlines logo]()
$1,113
This Mytrip deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:10 am -
2 stops31h 20m
Fri 10/165:35 am -
2 stops26h 30m
Deal found 8/17![Multiple Airlines logo]()
$1,577
This United Airlines deal was found by Cheapflights users on 8/18. 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 11/16:37 pm -
1 stop20h 53m
Wed 11/2512:45 pm -
1 stop18h 44m
Deal found 8/18![United Airlines logo]()
$1,113
This Mytrip deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:45 am -
2 stops30h 45m
Thu 11/125:15 am -
2 stops27h 50m
Deal found 8/16![Multiple Airlines logo]()
$1,588
This United Airlines deal was found by Cheapflights users on 8/16. 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
Sun 11/2212:45 pm -
1 stop18h 44m
Deal found 8/16![United Airlines logo]()
$1,113
This BusinessClass deal was found by Cheapflights users on 8/17. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:25 am -
2 stops35h 50m
Mon 9/218:15 am -
2 stops31h 22m
Deal found 8/17![Multiple Airlines logo]()
$1,632
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:00 pm -
2 stops24h 30m
Mon 12/711:40 am -
2 stops50h 40m
Deal found 8/19![United Airlines logo]()
$1,121
This United Airlines deal was found by Cheapflights users on 8/19. 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 10/105:00 am -
2 stops56h 30m
Sun 11/811:40 am -
1 stop18h 49m
Deal found 8/19![United Airlines logo]()
$1,121
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/195:00 am -
2 stops56h 30m
Sat 9/266:55 am -
2 stops27h 51m
Deal found 8/16![United Airlines logo]()
$1,142
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 10/37:00 am -
2 stops31h 35m
Sat 10/108:20 am -
2 stops30h 09m
Deal found 8/19![Multiple Airlines logo]()
$1,853
Last-minute flights from Ontario to AustraliaDiscover last-minute flight deals from Ontario to Australia. Data last updated August 20, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Australia. Data last updated August 20, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/15. 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 8/247:13 pm -
1 stop18h 17m
Sun 9/610:30 am -
1 stop18h 42m
Deal found 8/15![United Airlines logo]()
$1,095
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 8/269:31 am -
1 stop40h 19m
Tue 11/39:40 pm -
1 stop19h 02m
Deal found 8/18![Multiple Airlines logo]()
$1,069
This Booking.com deal was found by Cheapflights users on 8/15. 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 8/309:31 am -
1 stop40h 19m
Tue 9/158:45 pm -
1 stop18h 25m
Deal found 8/15![Multiple Airlines logo]()
$1,008
This SmartFares deal was found by Cheapflights users on 8/14. 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 8/309:31 am -
1 stop40h 19m
Sat 9/58:45 pm -
1 stop18h 25m
Deal found 8/14![Multiple Airlines logo]()
$1,052
This Kissandfly.com deal was found by Cheapflights users on 8/19. 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 8/307:13 pm -
1 stop18h 42m
Tue 9/1510:20 am -
1 stop26h 41m
Deal found 8/19![Lufthansa logo]()
$1,086
This Ovago deal was found by Cheapflights users on 8/15. 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.
Tue 9/19:31 am -
1 stop40h 19m
Fri 9/48:45 pm -
1 stop18h 25m
Deal found 8/15![Multiple Airlines logo]()
$1,051
This Booking.com deal was found by Cheapflights users on 8/16. 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 9/19:31 am -
1 stop40h 19m
Sat 9/58:45 pm -
1 stop18h 25m
Deal found 8/16![Multiple Airlines logo]()
$1,060
This Trip.com deal was found by Cheapflights users on 8/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:31 am -
1 stop40h 19m
Sun 9/68:45 pm -
1 stop18h 25m
Deal found 8/17![Multiple Airlines logo]()
$1,062
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/77:13 pm -
1 stop18h 17m
Wed 9/2310:30 am -
1 stop18h 42m
Deal found 8/19![United Airlines logo]()
$1,092
This SmartFares deal was found by Cheapflights users on 8/16. 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 9/89:31 am -
1 stop40h 19m
Tue 9/158:45 pm -
1 stop18h 25m
Deal found 8/16![Multiple Airlines logo]()
$1,085
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:52 am -
2 stops27h 58m
Wed 9/309:15 am -
2 stops31h 32m
Deal found 8/19![Delta logo]()
$1,049
This SmartFares deal was found by Cheapflights users on 8/15. 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 9/229:31 am -
1 stop40h 19m
Tue 10/279:40 pm -
1 stop17h 49m
Deal found 8/15![Multiple Airlines logo]()
$1,002
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 August 20, 2026.
Search for one-way flight options from Ontario to Australia. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
This SmartFares deal was found by Cheapflights users on 8/18. 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
Deal found 8/18![Multiple Airlines logo]()
$496
This CheapTickets deal was found by Cheapflights users on 8/15. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am -
1 stop17h 50m
Deal found 8/15![Multiple Airlines logo]()
$505
This SmartFares deal was found by Cheapflights users on 8/17. 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 1/268:39 am -
1 stop40h 06m
Deal found 8/17![Multiple Airlines logo]()
$514
This SmartFares deal was found by Cheapflights users on 8/17. 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 9/19:31 am -
1 stop40h 19m
Deal found 8/17![Multiple Airlines logo]()
$518
This Booking.com deal was found by Cheapflights users on 8/18. 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 9/229:31 am -
1 stop40h 19m
Deal found 8/18![Multiple Airlines logo]()
$527
This Mytrip deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:31 am -
1 stop40h 19m
Deal found 8/16![Multiple Airlines logo]()
$528
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 12/69:00 am -
1 stop39h 45m
Deal found 8/18![Multiple Airlines logo]()
$535
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 10/147:00 am -
2 stops31h 00m
Deal found 8/18![Multiple Airlines logo]()
$539
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 10/197:00 am -
2 stops37h 35m
Deal found 8/17![Multiple Airlines logo]()
$540
This Booking.com deal was found by Cheapflights users on 8/17. 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 9/139:31 am -
1 stop40h 19m
Deal found 8/17![Multiple Airlines logo]()
$547
This SmartFares deal was found by Cheapflights users on 8/17. 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 9/169:31 am -
1 stop40h 19m
Deal found 8/17![Multiple Airlines logo]()
$553
This Kissandfly.com deal was found by Cheapflights users on 8/18. 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 11/16:00 am -
1 stop30h 00m
Deal found 8/18![Lufthansa logo]()
$554
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 August 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $985 (SmartFares) |
One-way from | $496 (SmartFares) |
Popular in | December |
Cheapest in | May |
Average price | $974 |
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 August 20, 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
Sat 10/31
7:00 am-7:45 pm
1 stop18h 45m
Sydney Kingsford Smith
Sun 11/8
9:40 pm-9:42 pm
1 stop19h 02m
$1,052
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Mon 10/19
7:00 am-11:35 pm
2 stops22h 35m
Melbourne
Sun 11/8
6:00 pm-9:42 pm
2 stops22h 42m
$1,055
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Tue 11/10
4:17 pm-9:20 am
1 stop22h 03m
Sydney Kingsford Smith
Tue 11/17
11:50 am-12:29 pm
1 stop19h 39m
$1,093
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Mon 1/25
4:03 pm-6:20 am
1 stop19h 17m
Sydney Kingsford Smith
Mon 2/8
11:50 am-12:20 pm
1 stop19h 30m
$1,093
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Sun 12/6
11:20 am-9:20 am
1 stop27h 00m
Sydney Kingsford Smith
Sun 12/13
11:50 am-5:47 pm
1 stop24h 57m
$1,093
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Sun 9/20
7:13 pm-6:55 am
1 stop18h 42m
Sydney Kingsford Smith
Tue 9/29
9:30 am-3:22 pm
2 stops22h 52m
$1,098
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Wed 9/16
1:56 pm-7:00 am
2 stops24h 04m
Sydney Kingsford Smith
Wed 9/30
10:20 am-10:23 am
1 stop17h 03m
$1,099
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Tue 9/22
5:00 am-6:55 am
2 stops32h 55m
Sydney Kingsford Smith
Tue 9/29
10:20 am-5:41 pm
1 stop24h 21m
$1,099
OntarioBrisbane
ONT Ontario - BNE Brisbane
ONTBNE
Ontario
Sat 10/31
4:17 pm-6:30 am
1 stop21h 13m
Brisbane
Wed 11/4
11:40 am-3:33 pm
1 stop21h 53m
$1,101
OntarioBrisbane
ONT Ontario - BNE Brisbane
ONTBNE
Ontario
Wed 10/14
4:03 pm-6:30 am
1 stop21h 27m
Brisbane
Wed 11/11
11:40 am-12:29 pm
1 stop18h 49m
$1,101
Showing 1-10 of 60 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-BNE
ONT-MEL
ONT-CNS
ONT-ADL
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-BNE
ONT-MEL
ONT-CNS
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 August 20, 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
Overall
7.4
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Entertainment
7.1
Comfort
7.3
Food
6.7
Overall
7.4
Boarding
7.7
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.
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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
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Ontario and Australia flights
Browse other Ontario and Australia flight options. Last updated on August 20, 2026.
Popular flight searches
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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 August 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,049 | Average$1,111 | FlexibilityNo cancel fee | On-time69% |