$501+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SYD
Sep 30 — Oct 71
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 31, 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 31, 2026.
This SmartFares deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:00 am -
1 stop17h 50m
Tue 10/279:40 pm -
1 stop17h 49m
Deal found 8/26![Multiple Airlines logo]()
$950
This SmartFares deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am -
1 stop17h 50m
Tue 10/138:45 pm -
1 stop18h 44m
Deal found 8/28![Multiple Airlines logo]()
$991
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:00 am -
1 stop17h 50m
Tue 11/109:40 pm -
1 stop19h 02m
Deal found 8/27![Multiple Airlines logo]()
$1,008
This SmartFares deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:31 am -
1 stop40h 19m
Sat 10/38:45 pm -
1 stop17h 44m
Deal found 8/28![Multiple Airlines logo]()
$1,013
This Cheapflightsfares deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Tue 9/19:31 am -
1 stop40h 19m
Tue 9/88:45 pm -
1 stop18h 25m
Deal found 8/30![Multiple Airlines logo]()
$1,015
This Ovago deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:00 am -
1 stop17h 50m
Fri 10/238:45 pm -
1 stop18h 44m
Deal found 8/29![Multiple Airlines logo]()
$1,040
This Cheapflightsfares deal was found by Cheapflights users on 8/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
1 stop18h 45m
Thu 11/59:40 pm -
1 stop19h 02m
Deal found 8/26![Multiple Airlines logo]()
$1,048
This Vliegwinkel deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/159:31 am -
1 stop40h 19m
Sat 9/198:45 pm -
1 stop18h 25m
Deal found 8/30![Multiple Airlines logo]()
$1,051
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Mon 9/286:00 am -
2 stops31h 50m
Mon 10/510:15 am -
2 stops31h 32m
Deal found 8/30![Delta logo]()
$1,055
This Delta deal was found by Cheapflights users on 8/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:35 pm -
2 stops49h 15m
Wed 10/2111:00 am -
2 stops23h 23m
Deal found 8/26![Delta logo]()
$1,057
This Ovago deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:31 am -
1 stop40h 19m
Fri 9/48:45 pm -
1 stop18h 25m
Deal found 8/28![Multiple Airlines logo]()
$1,057
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:00 am -
1 stop17h 50m
Fri 11/139:40 pm -
1 stop19h 02m
Deal found 8/27![Multiple Airlines logo]()
$1,058
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 31, 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 31, 2026.
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:35 pm -
1 stop23h 55m
Wed 11/411:20 am -
1 stop24h 41m
Deal found 8/28![United Airlines logo]()
$1,079
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am -
1 stop18h 45m
Fri 11/139:40 pm -
1 stop19h 02m
Deal found 8/27![Multiple Airlines logo]()
$1,108
This Qatar Airways deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:13 am -
2 stops35h 12m
Thu 11/510:00 pm -
2 stops43h 36m
Deal found 8/29![Qatar Airways logo]()
$1,505
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Thu 9/245:00 am -
2 stops56h 30m
Wed 10/2810:20 am -
2 stops27h 31m
Deal found 8/26![United Airlines logo]()
$1,097
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:56 pm -
1 stop23h 34m
Sat 9/265:05 pm -
2 stops36h 13m
Deal found 8/28![United Airlines logo]()
$1,103
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/86:53 pm -
1 stop20h 37m
Mon 2/1512:45 pm -
1 stop18h 35m
Deal found 8/28![United Airlines logo]()
$1,115
This Expedia deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:00 am -
2 stops30h 40m
Mon 10/197:25 pm -
2 stops43h 04m
Deal found 8/27![Multiple Airlines logo]()
$1,448
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 8/30![United Airlines logo]()
$1,115
This Qatar Airways deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/306:56 pm -
2 stops51h 29m
Sun 11/810:00 pm -
2 stops43h 36m
Deal found 8/31![Qatar Airways logo]()
$1,555
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/196:32 pm -
1 stop20h 43m
Mon 11/912:45 pm -
1 stop18h 44m
Deal found 8/30![United Airlines logo]()
$1,115
This Qatar Airways deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/117:59 pm -
2 stops52h 31m
Sun 9/2710:10 pm -
2 stops42h 14m
Deal found 8/30![Qatar Airways logo]()
$1,585
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 2/16:53 pm -
1 stop20h 37m
Mon 2/812:45 pm -
1 stop21h 42m
Deal found 8/30![United Airlines logo]()
$1,115
This Mytrip deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Mon 9/1412:45 am -
2 stops30h 55m
Sat 9/195:35 am -
2 stops27h 25m
Deal found 8/30![Multiple Airlines logo]()
$1,789
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:29 pm -
2 stops51h 01m
Wed 11/412:45 pm -
1 stop21h 48m
Deal found 8/28![United Airlines logo]()
$1,134
This Qatar Airways deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/237:00 am -
2 stops39h 35m
Wed 1/2710:00 pm -
2 stops43h 11m
Deal found 8/27![Qatar Airways logo]()
$1,702
This Mytrip deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:10 am -
2 stops34h 00m
Mon 11/211:10 pm -
2 stops33h 55m
Deal found 8/27![Multiple Airlines logo]()
$1,796
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Wed 11/114:17 pm -
1 stop22h 03m
Thu 12/311:50 am -
1 stop16h 48m
Deal found 8/26![United Airlines logo]()
$1,145
This Qatar Airways deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/257:00 am -
2 stops39h 35m
Sat 1/3010:00 pm -
2 stops43h 11m
Deal found 8/27![Qatar Airways logo]()
$1,702
This Mytrip deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:10 am -
2 stops31h 30m
Mon 11/212:25 am -
2 stops32h 40m
Deal found 8/28![Multiple Airlines logo]()
$1,823
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:32 pm -
2 stops23h 03m
Wed 10/217:10 am -
2 stops21h 13m
Deal found 8/31![United Airlines logo]()
$1,148
This Mytrip deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Sun 10/1112:10 am -
2 stops34h 45m
Mon 10/268:35 am -
2 stops24h 30m
Deal found 8/30![Multiple Airlines logo]()
$1,846
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 11/21:29 pm -
2 stops24h 51m
Thu 11/511:50 am -
1 stop22h 43m
Deal found 8/30![United Airlines logo]()
$1,150
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/66:53 pm -
1 stop20h 37m
Mon 2/1512:45 pm -
1 stop18h 35m
Deal found 8/31![United Airlines logo]()
$1,165
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/86:53 pm -
1 stop20h 37m
Sun 2/1412:45 pm -
1 stop18h 35m
Deal found 8/28![United Airlines logo]()
$1,165
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:03 am -
2 stops28h 57m
Sat 10/3111:50 am -
1 stop18h 39m
Deal found 8/30![United Airlines logo]()
$1,195
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:40 pm -
1 stop19h 40m
Thu 1/71:20 pm -
1 stop26h 06m
Deal found 8/29![United Airlines logo]()
$1,195
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:22 pm -
2 stops24h 33m
Sat 10/310:20 am -
1 stop17h 03m
Deal found 8/27![United Airlines logo]()
$1,199
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/14:17 pm -
2 stops27h 23m
Tue 11/108:40 am -
2 stops22h 19m
Deal found 8/31![United Airlines logo]()
$1,286
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:17 pm -
1 stop22h 03m
Wed 12/911:50 am -
1 stop19h 30m
Deal found 8/27![United Airlines logo]()
$1,297
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:03 pm -
1 stop21h 52m
Wed 10/711:20 am -
1 stop22h 02m
Deal found 8/27![United Airlines logo]()
$1,297
Last-minute flights from Ontario to AustraliaDiscover last-minute flight deals from Ontario to Australia. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Australia. Data last updated August 31, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares 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 8/29![Multiple Airlines logo]()
$1,065
This Cheapflightsfares deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Tue 9/19:31 am -
1 stop40h 19m
Tue 9/88:45 pm -
1 stop18h 25m
Deal found 8/30![Multiple Airlines logo]()
$1,015
This Ovago deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:31 am -
1 stop40h 19m
Fri 9/48:45 pm -
1 stop18h 25m
Deal found 8/28![Multiple Airlines logo]()
$1,057
This Cheapflightsfares deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:31 am -
1 stop40h 19m
Sun 11/89:40 pm -
1 stop19h 02m
Deal found 8/27![Multiple Airlines logo]()
$1,064
This SmartFares deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares 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 11/89:40 pm -
1 stop19h 02m
Deal found 8/27![Multiple Airlines logo]()
$1,058
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:56 pm -
1 stop23h 34m
Sun 9/2010:30 am -
1 stop24h 41m
Deal found 8/28![United Airlines logo]()
$1,079
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:13 pm -
1 stop18h 17m
Wed 9/2310:30 am -
1 stop18h 42m
Deal found 8/28![United Airlines logo]()
$1,069
This SmartFares deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:31 am -
1 stop40h 19m
Sat 10/38:45 pm -
1 stop17h 44m
Deal found 8/28![Multiple Airlines logo]()
$1,013
This Vliegwinkel deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/159:31 am -
1 stop40h 19m
Sat 9/198:45 pm -
1 stop18h 25m
Deal found 8/30![Multiple Airlines logo]()
$1,051
This Booking.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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.
Wed 9/169:31 am -
1 stop40h 19m
Sun 9/208:45 pm -
1 stop18h 25m
Deal found 8/31![Multiple Airlines logo]()
$1,070
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:10 am -
1 stop26h 20m
Fri 10/910:30 am -
1 stop18h 48m
Deal found 8/27![United Airlines logo]()
$1,078
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Mon 9/286:00 am -
2 stops31h 50m
Mon 10/510:15 am -
2 stops31h 32m
Deal found 8/30![Delta logo]()
$1,055
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 31, 2026.
Search for one-way flight options from Ontario to Australia. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This SmartFares deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 8/29![Multiple Airlines logo]()
$501
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
1 stop17h 50m
Deal found 8/27![Multiple Airlines logo]()
$518
This SmartFares deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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
Deal found 8/30![Multiple Airlines logo]()
$524
This Mytrip deal was found by Cheapflights users on 8/26. 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 Mytrip 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 8/26![Multiple Airlines logo]()
$530
This Delta deal was found by Cheapflights users on 8/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:15 pm -
2 stops20h 35m
Deal found 8/26![Delta logo]()
$538
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Sun 10/255:03 pm -
2 stops45h 27m
Deal found 8/30![Delta logo]()
$539
This Alaska Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 stops36h 15m
Deal found 8/30![Multiple Airlines logo]()
$540
This Booking.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:31 am -
1 stop40h 19m
Deal found 8/27![Multiple Airlines logo]()
$540
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:31 am -
1 stop40h 19m
Deal found 8/27![Multiple Airlines logo]()
$541
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am -
2 stops36h 15m
Deal found 8/27![Multiple Airlines logo]()
$545
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
2 stops34h 40m
Deal found 8/27![Multiple Airlines logo]()
$545
This Alaska Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 8/29![Multiple Airlines logo]()
$546
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 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $950 (SmartFares) |
One-way from | $501 (SmartFares) |
Popular in | December |
Cheapest in | May |
Average price | $975 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 31, 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
OntarioBrisbane
ONT Ontario - BNE Brisbane
ONTBNE
Ontario
Sat 10/31
1:35 pm-6:30 am
1 stop23h 55m
Brisbane
Wed 11/4
11:20 am-6:01 pm
1 stop24h 41m
$1,079
OntarioBrisbane
ONT Ontario - BNE Brisbane
ONTBNE
Ontario
Thu 9/24
5:00 am-6:30 am
2 stops56h 30m
Brisbane
Wed 10/28
10:20 am-8:51 pm
2 stops27h 31m
$1,097
OntarioBrisbane
ONT Ontario - BNE Brisbane
ONTBNE
Ontario
Fri 9/11
1:56 pm-6:30 am
1 stop23h 34m
Brisbane
Sat 9/26
5:05 pm-12:18 pm
2 stops36h 13m
$1,103
Quickest round-trip
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Sat 10/24
7:00 am-7:45 pm
1 stop18h 45m
Sydney Kingsford Smith
Fri 11/13
9:40 pm-9:42 pm
1 stop19h 02m
$1,108
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Mon 2/8
6:53 pm-10:30 am
1 stop20h 37m
Melbourne
Mon 2/15
12:45 pm-12:20 pm
1 stop18h 35m
$1,115
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Tue 2/2
4:03 pm-10:30 am
1 stop23h 27m
Melbourne
Tue 3/2
12:45 pm-12:20 pm
1 stop18h 35m
$1,115
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Mon 10/19
6:32 pm-9:15 am
1 stop20h 43m
Melbourne
Mon 11/9
12:45 pm-12:29 pm
1 stop18h 44m
$1,115
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Mon 2/1
6:53 pm-10:30 am
1 stop20h 37m
Melbourne
Mon 2/8
12:45 pm-3:27 pm
1 stop21h 42m
$1,115
OntarioMelbourne
ONT Ontario - MEL Melbourne
ONTMEL
Ontario
Sat 10/31
1:29 pm-10:30 am
2 stops51h 01m
Melbourne
Wed 11/4
12:45 pm-3:33 pm
1 stop21h 48m
$1,134
OntarioSydney
ONT Ontario - SYD Sydney Kingsford Smith
ONTSYD
Ontario
Wed 11/11
4:17 pm-9:20 am
1 stop22h 03m
Sydney Kingsford Smith
Thu 12/3
11:50 am-9:38 am
1 stop16h 48m
$1,145
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-OOL
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-OOL
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 31, 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.
Food
6.7
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.7
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Overall
7.4
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
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 31, 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 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,049 | Average$1,111 | FlexibilityNo cancel fee | On-time69% |