$980+ Cheap flights from Ontario (ONT) to Adelaide (ADL)

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ADL
Jul 23 — Jul 301

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What is the cheapest month to fly from Ontario to Adelaide?

The best pricing can be found in the month of April. Prices to Adelaide from Ontario average $1,297. You can even find prices in April for less than $1,297, as users have found deals to Adelaide from as low as $926. The month of December appears to be one of the more expensive times to travel to Adelaide from Ontario. Flying in the targeted month can save you up to 34%.

What is the cheapest time of day to fly from ONT to ADL?

When flying from Ontario to Adelaide, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Ontario to Adelaide flights in July & August 2024

Find cheap flight options from Ontario to Adelaide specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,689,020 searches. Prices were last updated on July 18, 2024.
These are some of the most attractive deals on flights from Ontario to Adelaide in 2024. Check back soon for alternative fares.
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/306:45 pmONT - ADL
2 stops23h 50mUnited Airlines
Sun 9/156:00 amADL - ONT
2 stops20h 37mUnited Airlines
Deal found 7/18$1,530
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/11:45 pmONT - ADL
2 stops28h 50mUnited Airlines
Thu 9/126:05 amADL - ONT
2 stops28h 21mUnited Airlines
Deal found 7/17$1,673
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/156:35 pmONT - ADL
2 stops23h 50mUnited Airlines
Sat 8/316:05 amADL - ONT
2 stops28h 21mUnited Airlines
Deal found 7/18$1,683
This oojo deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/3010:10 amONT - ADL
2 stops36h 50mQatar Airways
Sun 9/1511:40 amADL - ONT
3 stops52h 49mQatar Airways
Deal found 7/18$2,710
This oojo deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/3010:10 amONT - ADL
2 stops36h 50mQatar Airways
Sun 9/2911:40 amADL - ONT
3 stops48h 40mQatar Airways
Deal found 7/17$2,711
This oojo deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/16:00 amONT - ADL
2 stops41h 00mQatar Airways
Thu 9/1211:40 amADL - ONT
3 stops48h 40mQatar Airways
Deal found 7/17$2,832
This SmartFares deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/3010:46 amONT - ADL
2 stops36h 14mQatar Airways
Sun 9/299:40 pmADL - ONT
2 stops38h 40mQatar Airways
Deal found 7/17$3,201
This KAYAK deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1510:00 amONT - ADL
2 stops37h 00mQatar Airways
Sat 8/3111:40 amADL - ONT
3 stops42h 35mQatar Airways
Deal found 7/18$3,202
This KAYAK deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1510:00 amONT - ADL
3 stops52h 10mQatar Airways
Sat 8/3111:40 amADL - ONT
3 stops42h 35mQatar Airways
Deal found 7/18$3,270

Ontario to Adelaide 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Adelaide in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,689,020 searches. Data last updated July 18, 2024.
These are some of the most attractive deals on flights from Ontario to Adelaide in 2024. Check back soon for alternative fares.
This Jetabroad deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/310:05 amONT - ADL
2 stops57h 20mHawaiian Airlines
Wed 11/207:45 pmADL - ONT
2 stops44h 55mHawaiian Airlines
Deal found 7/17$991
This Jetabroad deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/209:40 amONT - ADL
2 stops53h 45mHawaiian Airlines
Tue 11/55:05 pmADL - ONT
2 stops23h 35mHawaiian Airlines
Deal found 7/17$1,106
This Jetabroad deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/209:40 amONT - ADL
2 stops53h 45mHawaiian Airlines
Tue 11/52:30 pmADL - ONT
2 stops26h 10mHawaiian Airlines
Deal found 7/17$1,158
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2410:48 amONT - ADL
2 stops33h 37mUnited Airlines
Thu 11/148:10 amADL - ONT
2 stops23h 20mUnited Airlines
Deal found 7/17$1,439
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/93:15 pmONT - ADL
2 stops27h 15mUnited Airlines
Mon 11/258:10 amADL - ONT
2 stops23h 20mUnited Airlines
Deal found 7/17$1,443
This United Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/306:35 pmONT - ADL
2 stops23h 50mUnited Airlines
Tue 10/226:00 amADL - ONT
2 stops21h 29mUnited Airlines
Deal found 7/16$1,454
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/146:35 pmONT - ADL
2 stops26h 00mUnited Airlines
Wed 10/306:10 amADL - ONT
2 stops21h 13mUnited Airlines
Deal found 7/18$1,456
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/296:35 pmONT - ADL
2 stops23h 50mUnited Airlines
Tue 10/157:40 amADL - ONT
2 stops22h 57mUnited Airlines
Deal found 7/18$1,458
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/306:28 pmONT - ADL
2 stops24h 02mUnited Airlines
Fri 11/156:10 amADL - ONT
2 stops22h 13mUnited Airlines
Deal found 7/17$1,460

Ontario to Adelaide flights leaving soon

Find last-minute flight options from Ontario to Adelaide for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,689,020 searches. Data last updated July 18, 2024.
Have a look at some of the flights available from Ontario to Adelaide departing last-minute. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/246:35 pmONT - ADL
2 stops24h 00mUnited Airlines
Sun 8/46:05 amADL - ONT
2 stops22h 33mUnited Airlines
Deal found 7/17$6,753
This AranGrant deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/242:47 pmONT - ADL
3 stops47h 23mQatar Airways
Sun 8/49:40 pmADL - ONT
2 stops37h 40mQatar Airways
Deal found 7/17$13,146
This oojo deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/242:47 pmONT - ADL
3 stops47h 23mQatar Airways
Sun 8/411:40 amADL - ONT
3 stops42h 39mQatar Airways
Deal found 7/17$13,220

One-way flights to Adelaide from Ontario

Search for one-way flight options from Ontario to Adelaide. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,689,020 searches. Data last updated July 18, 2024.
Some of the best available deals we've found on one-way flights from Ontario to Adelaide. Those needing a return flight from Ontario to Adelaide can use the search form above.
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/232:02 pmONT - ADL
2 stops28h 33mUnited Airlines
Deal found 7/17$980
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/256:45 pmONT - ADL
2 stops26h 50mUnited Airlines
Deal found 7/18$985
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/51:30 pmONT - ADL
2 stops31h 05mUnited Airlines
Deal found 7/18$990
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/151:45 pmONT - ADL
2 stops28h 50mUnited Airlines
Deal found 7/18$1,042
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/266:35 pmONT - ADL
2 stops31h 05mUnited Airlines
Deal found 7/18$1,523
This KAYAK deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/256:00 amONT - ADL
3 stops56h 10mQatar Airways
Deal found 7/18$1,555
This KAYAK deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/156:00 amONT - ADL
3 stops56h 10mQatar Airways
Deal found 7/18$1,651
This KAYAK deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/56:00 amONT - ADL
3 stops56h 10mQatar Airways
Deal found 7/18$1,885
This KAYAK deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/58:20 pmONT - ADL
3 stops65h 50mQatar Airways
Deal found 7/18$1,903

Find flights from Ontario to Adelaide within your budget

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 2,689,020 searches. Data last updated July 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$991 - $2,465

Route

Depart

Return

Price

OntarioAdelaide

ONT - ADL

ONTADL

Ontario

Sun 11/3

2 stops57h 20m

Adelaide

Wed 11/20

2 stops44h 55m

$991

OntarioAdelaide

ONT - ADL

ONTADL

Ontario

Sun 10/20

2 stops53h 45m

Adelaide

Tue 11/5

2 stops23h 35m

$1,106

OntarioAdelaide

ONT - ADL

ONTADL

Ontario

Sun 10/20

2 stops53h 45m

Adelaide

Tue 11/5

2 stops26h 10m

$1,158

OntarioAdelaide

ONT - ADL

ONTADL

Ontario

Thu 10/24

2 stops33h 37m

Adelaide

Thu 11/14

2 stops23h 20m

$1,439

OntarioAdelaide

ONT - ADL

ONTADL

Ontario

Sat 11/9

2 stops27h 15m

Adelaide

Mon 11/25

2 stops23h 20m

$1,443

OntarioAdelaide

ONT - ADL

ONTADL

Ontario

Mon 9/30

2 stops23h 50m

Adelaide

Tue 10/22

2 stops21h 29m

$1,454

OntarioAdelaide

ONT - ADL

ONTADL

Ontario

Mon 10/14

2 stops26h 00m

Adelaide

Wed 10/30

2 stops21h 13m

$1,456

OntarioAdelaide

ONT - ADL

ONTADL

Ontario

Tue 10/1

3 stops35h 35m

Adelaide

Thu 10/24

2 stops26h 30m

$1,954

OntarioAdelaide

ONT - ADL

ONTADL

Ontario

Mon 10/14

3 stops56h 10m

Adelaide

Wed 10/30

3 stops46h 25m

$2,465

Flights are sorted by cheapest first

Deals found on 7/17

No data available for this route at this time. Please check back soon.

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.
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.

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. 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 Adelaide. Reviews last updated July 18, 2024.
To help decide which airline to fly from Ontario to Adelaide, see what other customers have to say about United Airlines, Hawaiian Airlines and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
2,298 reviews

Food

7.1

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.3

Reviews

1 / 10

The general boarding seats are horrible. Very uncomfortable. The crew was pretty nice. The flight to Hawaii was smooth. Landing was rough but ok

8.0
Very good
2,298 reviews
8.0
Very good
2,298 reviews

Food

7.1

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.3

Reviews

1 / 10

The general boarding seats are horrible. Very uncomfortable. The crew was pretty nice. The flight to Hawaii was smooth. Landing was rough but ok

7.7
Good
4,175 reviews
8.0
Very good
2,298 reviews

Food

7.1

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.3

Reviews

1 / 10

The general boarding seats are horrible. Very uncomfortable. The crew was pretty nice. The flight to Hawaii was smooth. Landing was rough but ok

7.4
Good
10,000 reviews
8.0
Very good
2,298 reviews

Food

7.1

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.3

Reviews

1 / 10

The general boarding seats are horrible. Very uncomfortable. The crew was pretty nice. The flight to Hawaii was smooth. Landing was rough but ok

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.
  • Can I find flights from Ontario to Adelaide for under $1,000 on Cheapflights?

    Yes, there are multiple flights from Ontario to Adelaide for under $1,000. The cheapest flight booked recently is on Hawaiian Airlines for just $991, but on average you can expect to pay $1,476.

  • Are there last-minute flights available from Ontario to Adelaide for under $6,800?

    There are currently 3+ open flights from Ontario to Adelaide within the next 7 days for less than $6,800.

  • What does ONT to ADL mean?

    Great question - ONT to ADL just means Ontario Airport to Adelaide Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Ontario to Adelaide that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Adelaide flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Adelaide with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Adelaide flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Ontario to Adelaide that include hotel bookings?

    Yes. In addition to deals on Ontario to Adelaide flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Adelaide?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Adelaide.

  • Can I find deals for business class flights from Ontario to Adelaide?

    Yes. Cheapflights offers flight deals from Ontario to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Adelaide that allow pets onboard?

    Many airlines flying from Ontario to Adelaide offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Adelaide?

    Yes, you can often find last-minute deals on Ontario to Adelaide flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Adelaide flight deals updated?

    The Ontario to Adelaide flight deals you see on this page were last updated on 7/18.

  • What is the cheapest month to book a flight from Ontario to Adelaide?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Adelaide (average of $1,247). Flying from Ontario to Adelaide in January is currently the most expensive (average of $1,859). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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