$662+ Cheap flights from Ontario (ONT) to Adelaide (ADL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ADL
Nov 3 — Nov 101
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Adelaide 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 Adelaide
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to AdelaideExplore the most affordable flight options available from Ontario to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 4, 2026.
Explore the most affordable flight options available from Ontario to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 11/19:55 am -
2 stops62h 55m
Thu 11/58:55 am -
2 stops32h 18m
Deal found 10/1![Multiple Airlines logo]()
$1,238
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:35 pm -
2 stops30h 05m
Tue 11/108:40 am -
2 stops25h 23m
Deal found 10/3![United Airlines logo]()
$1,316
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:37 pm -
2 stops25h 03m
Thu 11/58:40 am -
2 stops27h 46m
Deal found 9/28![United Airlines logo]()
$1,373
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 11/44:17 pm -
2 stops26h 13m
Sat 11/286:10 am -
2 stops24h 49m
Deal found 9/30![United Airlines logo]()
$1,527
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 10/214:03 pm -
2 stops28h 12m
Thu 10/297:15 am -
2 stops22h 44m
Deal found 9/30![United Airlines logo]()
$1,545
This Qatar Airways deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:13 pm -
2 stops50h 12m
Sat 11/2110:00 pm -
2 stops43h 06m
Deal found 9/29![Qatar Airways logo]()
$2,040
This Qatar Airways deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:13 pm -
2 stops50h 12m
Fri 11/2010:00 pm -
2 stops43h 06m
Deal found 9/29![Qatar Airways logo]()
$2,096
This Qatar Airways deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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
Sun 11/810:00 pm -
2 stops39h 12m
Deal found 10/1![Qatar Airways logo]()
$2,115
This Qatar Airways deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:13 pm -
2 stops50h 12m
Sun 11/2210:00 pm -
2 stops44h 01m
Deal found 9/29![Qatar Airways logo]()
$2,204
This Qatar Airways deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:13 pm -
2 stops50h 12m
Mon 11/2310:00 pm -
2 stops39h 22m
Deal found 9/29![Qatar Airways logo]()
$2,244
Best flights from Ontario to AdelaideDiscover carefully curated flight deals from Ontario to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.
Discover carefully curated flight deals from Ontario to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 11/19:55 am -
2 stops62h 55m
Thu 11/58:55 am -
2 stops32h 18m
Deal found 10/1![Multiple Airlines logo]()
$1,238
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:35 pm -
2 stops30h 05m
Tue 11/108:40 am -
2 stops25h 23m
Deal found 10/3![United Airlines logo]()
$1,316
This Qatar Airways deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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
Sun 11/810:00 pm -
2 stops39h 12m
Deal found 10/1![Qatar Airways logo]()
$2,115
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:37 pm -
2 stops25h 03m
Thu 11/58:40 am -
2 stops27h 46m
Deal found 9/28![United Airlines logo]()
$1,373
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 11/44:17 pm -
2 stops26h 13m
Sat 11/286:10 am -
2 stops24h 49m
Deal found 9/30![United Airlines logo]()
$1,527
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 10/214:03 pm -
2 stops28h 12m
Thu 10/297:15 am -
2 stops22h 44m
Deal found 9/30![United Airlines logo]()
$1,545
This Qatar Airways deal was found by Cheapflights users on 9/30. 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 1/1511:36 am -
2 stops34h 59m
Sun 1/2410:00 pm -
2 stops43h 11m
Deal found 9/30![Qatar Airways logo]()
$2,121
This Qatar Airways deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/111:36 am -
2 stops34h 59m
Mon 2/1510:00 pm -
2 stops39h 22m
Deal found 9/28![Qatar Airways logo]()
$2,122
Last-minute flights from Ontario to AdelaideDiscover last-minute flight deals from Ontario to Adelaide. Data last updated October 4, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Adelaide. Data last updated October 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 10/214:03 pm -
2 stops28h 12m
Thu 10/297:15 am -
2 stops22h 44m
Deal found 9/30![United Airlines logo]()
$1,545
This Qatar Airways deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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
Sun 11/810:00 pm -
2 stops39h 12m
Deal found 10/1![Qatar Airways logo]()
$2,115
This Alaska Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 11/19:55 am -
2 stops62h 55m
Thu 11/58:55 am -
2 stops32h 18m
Deal found 10/1![Multiple Airlines logo]()
$1,238
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:37 pm -
2 stops25h 03m
Thu 11/58:40 am -
2 stops27h 46m
Deal found 9/28![United Airlines logo]()
$1,373
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:35 pm -
2 stops30h 05m
Tue 11/108:40 am -
2 stops25h 23m
Deal found 10/3![United Airlines logo]()
$1,316
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 11/44:17 pm -
2 stops26h 13m
Sat 11/286:10 am -
2 stops24h 49m
Deal found 9/30![United Airlines logo]()
$1,527
This Qatar Airways deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:13 pm -
2 stops50h 12m
Sat 11/2110:00 pm -
2 stops43h 06m
Deal found 9/29![Qatar Airways logo]()
$2,040
This Qatar Airways deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:13 pm -
2 stops50h 12m
Fri 11/2010:00 pm -
2 stops43h 06m
Deal found 9/29![Qatar Airways logo]()
$2,096
This Qatar Airways deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:13 pm -
2 stops50h 12m
Sun 11/2210:00 pm -
2 stops44h 01m
Deal found 9/29![Qatar Airways logo]()
$2,204
This Qatar Airways deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:13 pm -
2 stops50h 12m
Mon 11/2310:00 pm -
2 stops39h 22m
Deal found 9/29![Qatar Airways logo]()
$2,244
One-way flights from Ontario to AdelaideSearch for one-way flight options from Ontario to Adelaide. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
Search for one-way flight options from Ontario to Adelaide. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
This United deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:35 pm -
2 stops37h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Multiple Airlines logo]()
$662
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/206:35 pm -
2 stops48h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$686
This United deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/256:53 pm -
2 stops44h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/266:53 pm -
2 stops23h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![United Airlines logo]()
$727
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:52 pm -
2 stops30h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$733
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:10 am -
2 stops33h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$948
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:03 pm -
2 stops28h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$1,044
This Alaska Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:00 am -
2 stops22h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$1,208
This United deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:25 am -
2 stops35h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$1,236
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/114:03 pm -
2 stops26h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$1,240
This Qatar Airways deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:56 pm -
2 stops51h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Qatar Airways logo]()
$1,412
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:52 pm -
2 stops28h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$1,502
Find flight deals from Ontario to Adelaide
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Adelaide (ADL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,238 (Alaska Airlines) |
One-way from | $662 (United) |
Popular in | January |
Cheapest in | February |
Average price | $1,408 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Adelaide that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 4, 2026.
Use the filters below to find and compare flights from Ontario to Adelaide that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioAdelaide
ONT Ontario - ADL Adelaide
ONTADL
Ontario
Mon 11/2
1:35 pm-9:10 pm
2 stops37h 05m
Adelaide
Wed 12/31
12:00 am-6:30 am
Nonstop0h 00m
$662
OntarioAdelaide
ONT Ontario - ADL Adelaide
ONTADL
Ontario
Thu 3/25
6:53 pm-8:55 am
2 stops44h 32m
Adelaide
Wed 12/31
12:00 am-6:30 am
Nonstop0h 00m
$725
OntarioAdelaide
ONT Ontario - ADL Adelaide
ONTADL
Ontario
Fri 3/26
6:53 pm-12:10 pm
2 stops23h 47m
Adelaide
Wed 12/31
12:00 am-6:30 am
Nonstop0h 00m
$727
OntarioAdelaide
ONT Ontario - ADL Adelaide
ONTADL
Ontario
Thu 10/8
7:00 am-10:35 pm
2 stops22h 05m
Adelaide
Wed 12/31
12:00 am-6:30 am
Nonstop0h 00m
$1,208
OntarioAdelaide
ONT Ontario - ADL Adelaide
ONTADL
Ontario
Sun 10/11
9:25 am-1:55 pm
2 stops35h 00m
Adelaide
Wed 12/31
12:00 am-6:30 am
Nonstop0h 00m
$1,236
OntarioAdelaide
ONT Ontario - ADL Adelaide
ONTADL
Ontario
Sun 11/1
9:55 am-7:20 pm
2 stops62h 55m
Adelaide
Thu 11/5
8:55 am-10:43 pm
2 stops32h 18m
$1,238
OntarioAdelaide
ONT Ontario - ADL Adelaide
ONTADL
Ontario
Sun 10/11
4:03 pm-11:50 am
2 stops26h 17m
Adelaide
Wed 12/31
12:00 am-6:30 am
Nonstop0h 00m
$1,240
OntarioAdelaide
ONT Ontario - ADL Adelaide
ONTADL
Ontario
Tue 11/3
1:35 pm-2:10 pm
2 stops30h 05m
Adelaide
Tue 11/10
8:40 am-3:33 pm
2 stops25h 23m
$1,316
OntarioAdelaide
ONT Ontario - ADL Adelaide
ONTADL
Ontario
Sun 11/1
6:37 pm-2:10 pm
2 stops25h 03m
Adelaide
Thu 11/5
8:40 am-5:56 pm
2 stops27h 46m
$1,373
OntarioAdelaide
ONT Ontario - ADL Adelaide
ONTADL
Ontario
Wed 11/4
4:17 pm-1:00 pm
2 stops26h 13m
Adelaide
Sat 11/28
6:10 am-12:29 pm
2 stops24h 49m
$1,527
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Ontario to Adelaide
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Adelaide in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Adelaide flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Adelaide flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Adelaide flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Adelaide flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Adelaide flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Adelaide
Have a flexible travel schedule? Discover the best time to fly to Adelaide from Ontario with our price prediction graph.
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.
Related info for your journey
Find useful and relevant information for your journey from Ontario to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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