Cheap flights from Ontario (ONT) to Adelaide (ADL)

ONT — ADL
Feb 6 — Feb 131

How far in advance should I book a flight from Ontario to Adelaide?

Users have found that booking a flight from Ontario to Adelaide at least 61 days early can save you up to 25% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Ontario to Adelaide for as little as $1,746 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $2,136 for flights departing within the next 3 days.

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

The best pricing can be found in the month of October. Prices to Adelaide from Ontario average $1,438. You can even find prices in October for less than $1,438, as users have found deals to Adelaide from as low as $1,039. The month of January 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 39%.

When is the cheapest time to fly from Ontario to Adelaide (ONT - 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 flights from Ontario to Adelaide in February, March 2023

The best prices found for ONT to ADL flights for February, March
Jan 31 - Jun 23
ONT

Ontario

ADL

Adelaide

2 stops

24h 27m
ADL

Adelaide

ONT

Ontario

2 stops

34h 23m
$2,781

Multiple Airlines

Pick Dates

Deal found 1/30

Feb 2 - Feb 4
ONT

Ontario

ADL

Adelaide

2 stops

36h 30m
ADL

Adelaide

ONT

Ontario

2 stops

40h 10m
$5,973

Multiple Airlines

Pick Dates

Deal found 1/29

Ontario to Adelaide 2023 flight deals

Cheap flights to Adelaide from Ontario found for this year
Jun 5 - Jun 19
ONT

Ontario

ADL

Adelaide

2 stops

24h 08m
ADL

Adelaide

ONT

Ontario

2 stops

22h 32m
$1,885

Multiple Airlines

Pick Dates

Deal found 1/30

Jul 4 - Jul 18
ONT

Ontario

ADL

Adelaide

2 stops

24h 13m
ADL

Adelaide

ONT

Ontario

2 stops

20h 18m
$2,147

United Airlines

Pick Dates

Deal found 1/31

Jun 19 - Jul 1
ONT

Ontario

ADL

Adelaide

2 stops

24h 08m
ADL

Adelaide

ONT

Ontario

2 stops

33h 38m
$2,231

Multiple Airlines

Pick Dates

Deal found 1/29

Cheap Qatar Airways flights from Ontario to Adelaide

Apr 30 - May 6
ONT

Ontario

ADL

Adelaide

3 stops

56h 25m
ADL

Adelaide

ONT

Ontario

3 stops

52h 58m
$3,249

Qatar Airways

Pick Dates

Deal found 1/29

Mar 1 - Mar 22
ONT

Ontario

ADL

Adelaide

3 stops

49h 03m
ADL

Adelaide

ONT

Ontario

3 stops

51h 35m
$3,487

Qatar Airways

Pick Dates

Deal found 1/31

Cheap United Airlines flights from Ontario to Adelaide

Jul 4 - Jul 18
ONT

Ontario

ADL

Adelaide

2 stops

24h 13m
ADL

Adelaide

ONT

Ontario

2 stops

20h 18m
$2,147

United Airlines

Pick Dates

Deal found 1/31

Mar 1 - Mar 22
ONT

Ontario

ADL

Adelaide

2 stops

25h 09m
ADL

Adelaide

ONT

Ontario

2 stops

26h 30m
$2,233

United Airlines

Pick Dates

Deal found 1/31

Apr 11 - Apr 26
ONT

Ontario

ADL

Adelaide

2 stops

23h 38m
ADL

Adelaide

ONT

Ontario

2 stops

20h 24m
$2,397

United Airlines

Pick Dates

Deal found 1/30

One-way flights to Adelaide from Ontario

The cheapest one-way flights from Ontario to Adelaide
Mar 24
ONT

Ontario

ADL

Adelaide

2 stops

25h 58m
$1,319

Multiple Airlines

Pick Dates

Deal found 1/30

Apr 13
ONT

Ontario

ADL

Adelaide

2 stops

26h 03m
$1,327

Multiple Airlines

Pick Dates

Deal found 1/30

Apr 13
ONT

Ontario

ADL

Adelaide

2 stops

24h 08m
$1,352

Multiple Airlines

Pick Dates

Deal found 1/31

Reviews of Airlines Servicing Adelaide

United Airlines
7.6
Good
1,184 reviews

Overall

7.6

Food

6.8

Comfort

7.4

Entertainment

7.1

Boarding

7.9

Crew

8.2

Reviews

1 / 10

This flight was cancelled. And of course there was very little in the way of compensation, and the rescheduled flight was 12 hours later, landed 12 hours later and had a 12 hour layover.

United Airlines
7.6
Good
1,184 reviews
United Airlines
7.6
Good
1,184 reviews

Overall

7.6

Food

6.8

Comfort

7.4

Entertainment

7.1

Boarding

7.9

Crew

8.2

Reviews

1 / 10

This flight was cancelled. And of course there was very little in the way of compensation, and the rescheduled flight was 12 hours later, landed 12 hours later and had a 12 hour layover.

American Airlines
7.4
Good
1,668 reviews
United Airlines
7.6
Good
1,184 reviews

Overall

7.6

Food

6.8

Comfort

7.4

Entertainment

7.1

Boarding

7.9

Crew

8.2

Reviews

1 / 10

This flight was cancelled. And of course there was very little in the way of compensation, and the rescheduled flight was 12 hours later, landed 12 hours later and had a 12 hour layover.

Qatar Airways
7.3
Good
1,024 reviews
United Airlines
7.6
Good
1,184 reviews

Overall

7.6

Food

6.8

Comfort

7.4

Entertainment

7.1

Boarding

7.9

Crew

8.2

Reviews

1 / 10

This flight was cancelled. And of course there was very little in the way of compensation, and the rescheduled flight was 12 hours later, landed 12 hours later and had a 12 hour layover.

Related info for your journey

Useful info, stats and facts about Ontario to Adelaide flights.

Can I find flights from Ontario to Adelaide for under $1,900 on Cheapflights?

Yes, there are multiple flights from Ontario to Adelaide for under $1,900. The cheapest flight booked recently is on Multiple Airlines for just $1,885, but on average you can expect to pay $2,674.

What are the cheapest airlines to fly from Ontario to Adelaide one-way?

For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $1,478. Users have also found prices from $1,774 and $14,553 on Qatar Airways and American Airlines, respectively.

What are the cheapest flights from Ontario to Adelaide?

On average you can expect to pay $2,351 for a flight from Ontario to Adelaide. The cheapest flight overall is $2,351 while the most popular route, (Ontario - Adelaide) is currently priced at $1,885.

Alternative routes for Ontario to Adelaide

See prices for flight routes from nearby airports that may be better suited for you.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.