$495+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SYD
Sep 10 — Sep 171
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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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 11, 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 11, 2026.
This SmartFares deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/197:00 am -
1 stop17h 50m
Sun 11/159:40 pm -
1 stop18h 52m
Deal found 8/6![Multiple Airlines logo]()
$984
This SmartFares deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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
Tue 11/39:40 pm -
1 stop18h 52m
Deal found 8/7![Multiple Airlines logo]()
$985
This Alaska Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 -
1 stop17h 50m
Sun 11/89:40 pm -
1 stop18h 52m
Deal found 8/6![Multiple Airlines logo]()
$1,001
This Booking.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/189:11 am -
1 stop40h 39m
Tue 10/208:45 pm -
1 stop18h 44m
Deal found 8/6![Multiple Airlines logo]()
$1,005
This SmartFares deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/209:31 am -
1 stop40h 19m
Sun 8/308:45 pm -
1 stop18h 25m
Deal found 8/6![Multiple Airlines logo]()
$1,008
This Booking.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/299:31 am -
1 stop40h 19m
Tue 3/99:40 pm -
1 stop18h 48m
Deal found 8/6![Multiple Airlines logo]()
$1,018
This flugladen.de deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:31 am -
1 stop40h 19m
Sun 8/308:45 pm -
1 stop18h 25m
Deal found 8/10![Multiple Airlines logo]()
$1,030
This Vliegwinkel deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:31 am -
1 stop40h 19m
Thu 9/38:45 pm -
1 stop18h 25m
Deal found 8/8![Multiple Airlines logo]()
$1,043
This Ovago deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am -
1 stop18h 45m
Tue 11/179:40 pm -
1 stop19h 02m
Deal found 8/9![Multiple Airlines logo]()
$1,044
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am -
2 stops31h 50m
Sun 9/209:15 am -
2 stops31h 32m
Deal found 8/10![Delta logo]()
$1,048
This Ovago deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/49:31 am -
1 stop40h 19m
Sun 9/138:45 pm -
1 stop18h 25m
Deal found 8/7![Multiple Airlines logo]()
$1,051
This Alaska Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:00 am -
2 stops22h 35m
Sun 11/86:00 pm -
2 stops22h 32m
Deal found 8/8![Multiple Airlines logo]()
$1,054
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 11, 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 11, 2026.
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am -
2 stops31h 50m
Sun 9/209:15 am -
2 stops31h 32m
Deal found 8/10![Delta logo]()
$1,048
This Alaska Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/167:00 am -
1 stop17h 50m
Tue 10/279:40 pm -
1 stop17h 49m
Deal found 8/7![Multiple Airlines logo]()
$1,052
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/211:56 pm -
1 stop23h 59m
Mon 9/2810:20 am -
1 stop18h 58m
Deal found 8/6![United Airlines logo]()
$1,093
This Qatar Airways deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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.
Mon 10/1911:13 am -
2 stops37h 17m
Thu 10/299:55 pm -
2 stops37h 05m
Deal found 8/6![Qatar Airways logo]()
$1,504
This Alaska Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:00 am -
1 stop17h 50m
Tue 11/39:40 pm -
1 stop19h 02m
Deal found 8/10![Multiple Airlines logo]()
$1,052
This United Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:52 pm -
1 stop24h 03m
Tue 10/2711:50 am -
1 stop24h 11m
Deal found 8/9![United Airlines logo]()
$1,093
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:13 pm -
1 stop18h 42m
Wed 8/2610:20 am -
1 stop18h 52m
Deal found 8/10![United Airlines logo]()
$1,093
This Alaska Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Fri 11/69:40 pm -
1 stop19h 02m
Deal found 8/10![Multiple Airlines logo]()
$1,102
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 12/811:50 am -
1 stop19h 30m
Deal found 8/6![United Airlines logo]()
$1,093
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:13 pm -
1 stop18h 42m
Wed 9/910:20 am -
1 stop18h 52m
Deal found 8/10![United Airlines logo]()
$1,093
This Alaska Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 2/39:00 am -
2 stops58h 15m
Sun 2/712:40 pm -
2 stops27h 18m
Deal found 8/5![Multiple Airlines logo]()
$1,238
This Qatar Airways deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:13 am -
2 stops37h 17m
Sun 11/89:55 pm -
2 stops43h 11m
Deal found 8/9![Qatar Airways logo]()
$1,544
This United Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:18 pm -
2 stops24h 37m
Tue 9/1510:20 am -
1 stop26h 41m
Deal found 8/9![United Airlines logo]()
$1,097
This Alaska Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 2/79:00 am -
2 stops59h 05m
Thu 2/118:20 am -
2 stops31h 08m
Deal found 8/6![Multiple Airlines logo]()
$1,239
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 8/237:13 pm -
1 stop18h 17m
Sun 8/3010:30 am -
1 stop18h 42m
Deal found 8/7![United Airlines logo]()
$1,101
This Qatar Airways deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:13 am -
2 stops35h 17m
Fri 10/1610:00 pm -
2 stops37h 30m
Deal found 8/8![Qatar Airways logo]()
$1,665
This Alaska Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:31 am -
2 stops54h 04m
Tue 9/153:50 pm -
2 stops23h 20m
Deal found 8/10![Multiple Airlines logo]()
$1,346
This United Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:03 pm -
1 stop23h 12m
Wed 10/2811:45 am -
1 stop18h 44m
Deal found 8/9![United Airlines logo]()
$1,113
This Qatar Airways deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:13 am -
2 stops35h 17m
Sun 10/1810:00 pm -
2 stops37h 30m
Deal found 8/8![Qatar Airways logo]()
$1,705
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 2/24:03 pm -
1 stop23h 27m
Tue 3/212:45 pm -
1 stop18h 35m
Deal found 8/6![United Airlines logo]()
$1,113
This Qatar Airways deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:00 am -
2 stops40h 00m
Sat 11/2110:00 pm -
2 stops43h 34m
Deal found 8/9![Qatar Airways logo]()
$1,705
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:17 pm -
1 stop23h 13m
Wed 11/1112:45 pm -
1 stop18h 44m
Deal found 8/8![United Airlines logo]()
$1,113
This Qatar Airways deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:10 pm -
2 stops34h 20m
Thu 10/1510:00 pm -
2 stops37h 30m
Deal found 8/8![Qatar Airways logo]()
$1,763
This Alaska Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:31 am -
2 stops62h 44m
Thu 10/19:20 am -
2 stops29h 50m
Deal found 8/10![Multiple Airlines logo]()
$1,625
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/14:03 pm -
1 stop23h 27m
Wed 2/1712:45 pm -
1 stop18h 35m
Deal found 8/8![United Airlines logo]()
$1,113
This Qatar Airways deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:13 am -
2 stops35h 17m
Tue 10/2010:00 pm -
2 stops40h 41m
Deal found 8/8![Qatar Airways logo]()
$1,789
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/316:53 pm -
1 stop20h 37m
Tue 2/912:45 pm -
1 stop18h 35m
Deal found 8/8![United Airlines logo]()
$1,113
This Mytrip deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:45 am -
2 stops27h 45m
Sat 9/55:35 am -
2 stops26h 30m
Deal found 8/6![Multiple Airlines logo]()
$1,712
This United Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:53 pm -
1 stop20h 37m
Mon 12/712:45 pm -
1 stop18h 35m
Deal found 8/9![United Airlines logo]()
$1,113
This Qatar Airways deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:02 am -
2 stops40h 28m
Sun 10/1810:00 pm -
2 stops43h 12m
Deal found 8/8![Qatar Airways logo]()
$1,803
Last-minute flights from Ontario to AustraliaDiscover last-minute flight deals from Ontario to Australia. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Australia. Data last updated August 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 8/171:56 pm -
1 stop23h 34m
Sun 8/3010:30 am -
1 stop18h 42m
Deal found 8/7![United Airlines logo]()
$1,092
This Booking.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/189:11 am -
1 stop40h 39m
Tue 10/208:45 pm -
1 stop18h 44m
Deal found 8/6![Multiple Airlines logo]()
$1,005
This Ovago deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:11 am -
1 stop40h 39m
Fri 9/48:45 pm -
1 stop18h 25m
Deal found 8/8![Multiple Airlines logo]()
$1,061
This SmartFares deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/209:31 am -
1 stop40h 19m
Sun 8/308:45 pm -
1 stop18h 25m
Deal found 8/6![Multiple Airlines logo]()
$1,008
This Gotogate deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:31 am -
1 stop40h 19m
Tue 8/258:45 pm -
1 stop18h 25m
Deal found 8/9![Multiple Airlines logo]()
$1,057
This Vliegwinkel deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:31 am -
1 stop40h 19m
Thu 9/38:45 pm -
1 stop18h 25m
Deal found 8/8![Multiple Airlines logo]()
$1,043
This flugladen.de deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:31 am -
1 stop40h 19m
Sun 8/308:45 pm -
1 stop18h 25m
Deal found 8/10![Multiple Airlines logo]()
$1,030
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am -
2 stops31h 50m
Sun 9/209:15 am -
2 stops31h 32m
Deal found 8/10![Delta logo]()
$1,048
This Ovago deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/49:31 am -
1 stop40h 19m
Sun 9/138:45 pm -
1 stop18h 25m
Deal found 8/7![Multiple Airlines logo]()
$1,051
This Jetabroad deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:31 am -
1 stop40h 19m
Sun 9/138:45 pm -
1 stop18h 25m
Deal found 8/8![Multiple Airlines logo]()
$1,063
This SmartFares deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:31 am -
1 stop40h 19m
Tue 10/138:45 pm -
1 stop18h 44m
Deal found 8/9![Multiple Airlines logo]()
$1,002
This Booking.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/299:31 am -
1 stop40h 19m
Tue 3/99:40 pm -
1 stop18h 48m
Deal found 8/6![Multiple Airlines logo]()
$1,018
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 11, 2026.
Search for one-way flight options from Ontario to Australia. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This SmartFares deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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
Deal found 8/6![Multiple Airlines logo]()
$495
This SmartFares deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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
Deal found 8/7![Multiple Airlines logo]()
$496
This Qantas Airways deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:59 pm -
2 stops24h 26m
Deal found 8/10![Multiple Airlines logo]()
$506
This SmartFares deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:11 am -
1 stop40h 39m
Deal found 8/9![Multiple Airlines logo]()
$518
This Flightnetwork deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork 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 8/9![Multiple Airlines logo]()
$526
This Mytrip deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip 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 8/10![Multiple Airlines logo]()
$527
This Alaska Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines 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 8/10![Multiple Airlines logo]()
$535
This Alaska Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am -
2 stops42h 05m
Deal found 8/9![Multiple Airlines logo]()
$539
This Alaska Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 stops33h 00m
Deal found 8/6![Multiple Airlines logo]()
$539
This SmartFares deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/39:00 am -
1 stop39h 45m
Deal found 8/9![Multiple Airlines logo]()
$553
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 11/166:37 pm -
1 stop18h 53m
Deal found 8/6![United Airlines logo]()
$561
This Alaska Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:31 am -
2 stops60h 04m
Deal found 8/8![Multiple Airlines logo]()
$562
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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $984 (SmartFares) |
One-way from | $495 (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 2,558,603 searches. Data last updated August 11, 2026.
Use the filters below to find and compare flights from Ontario to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Tue 9/1
6:00 am-6:50 am
2 stops31h 50m
Sydney Kingsford Smith
Sun 9/20
9:15 am-11:47 pm
2 stops31h 32m
$1,048
Quickest round-trip
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Fri 10/16
7:00 am-6:50 pm
1 stop17h 50m
Sydney Kingsford Smith
Tue 10/27
9:40 pm-9:29 pm
1 stop17h 49m
$1,052
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Thu 10/22
7:00 am-6:50 pm
1 stop17h 50m
Sydney Kingsford Smith
Tue 11/3
9:40 pm-9:42 pm
1 stop19h 02m
$1,052
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Mon 9/21
1:56 pm-6:55 am
1 stop23h 59m
Sydney Kingsford Smith
Mon 9/28
10:20 am-12:18 pm
1 stop18h 58m
$1,093
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Tue 10/6
1:52 pm-7:55 am
1 stop24h 03m
Sydney Kingsford Smith
Tue 10/27
11:50 am-6:01 pm
1 stop24h 11m
$1,093
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Sun 8/23
7:13 pm-6:55 am
1 stop18h 42m
Sydney Kingsford Smith
Wed 8/26
10:20 am-12:12 pm
1 stop18h 52m
$1,093
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Wed 11/4
4:17 pm-9:20 am
1 stop22h 03m
Sydney Kingsford Smith
Tue 12/8
11:50 am-12:20 pm
1 stop19h 30m
$1,093
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Mon 8/31
7:13 pm-6:55 am
1 stop18h 42m
Sydney Kingsford Smith
Wed 9/9
10:20 am-12:12 pm
1 stop18h 52m
$1,093
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Tue 9/8
1:18 pm-6:55 am
2 stops24h 37m
Sydney Kingsford Smith
Tue 9/15
10:20 am-8:01 pm
1 stop26h 41m
$1,097
OntarioBrisbane
ONT Ontario - BNE Brisbane
ONTBNE
Ontario
Sun 8/23
7:13 pm-6:30 am
1 stop18h 17m
Brisbane
Sun 8/30
10:30 am-12:12 pm
1 stop18h 42m
$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-PER
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-PER
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 11, 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.
Comfort
7.3
Crew
8.1
Boarding
7.7
Food
6.7
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Comfort
7.3
Crew
8.1
Boarding
7.7
Food
6.7
Entertainment
7.1
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
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 August 11, 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 2,558,603 searches. Data last updated August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,049 | Average$1,111 | FlexibilityNo cancel fee | On-time69% |