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

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How to find the cheapest flight from
Ontario (ONT) to Adelaide (ADL)

All the information you need to plan the best ONT to ADL flight in 2022: compare Ontario to Adelaide flight prices with the expected peak season, weather and rainfall in Adelaide.
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 9% 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 $1,073 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 $1,099 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 June. Prices to Adelaide from Ontario average $1,019. You can even find prices in June for less than $1,019, as users have found deals to Adelaide from as low as $694. 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 38%.

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.

Ontario to Adelaide 2022 flight deals

Cheap flights to Adelaide from Ontario found for this year
29 Aug - 16 Sep
$1,353pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
ADL
Adelaide
ADL
Adelaide
Multiple Airlines
   
2 STOPS
ONT
Ontario
2 Nov - 15 Nov
$1,951pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
ADL
Adelaide
ADL
Adelaide
Multiple Airlines
   
2 STOPS
ONT
Ontario
29 Aug - 21 Sep
$2,599pp
ONT
Ontario
American Airlines
   
2 STOPS
ADL
Adelaide
ADL
Adelaide
American Airlines
   
2 STOPS
ONT
Ontario

One-way flights to Adelaide from Ontario

The cheapest one-way flights from Ontario to Adelaide
2:45 pm - 6:55 am
Multiple Airlines
2 Stops
23h 40m
ONT - ADL
Multiple Airlines
$1,143
United
2:45 pm - 7:05 am
Multiple Airlines
2 Stops
23h 50m
ONT - ADL
Multiple Airlines
$1,436
United
2:45 pm - 6:45 am
Multiple Airlines
2 Stops
23h 30m
ONT - ADL
Multiple Airlines
$1,441
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Adelaide</span> flights.

Flight FAQs

From Ontario to Adelaide

Can I find flights from Ontario to Adelaide for under $1,400 on Cheapflights?

Yes, there are multiple flights from Ontario to Adelaide for under $1,400. The cheapest flight booked recently is on Multiple Airlines for just $1,353, but on average you can expect to pay $1,967.

COVID Restrictions

View COVID Travel Restrictions for Adelaide, Australia

Do I need a COVID test to fly to Adelaide from Ontario?

Information is based on travel restrictions from Ontario to Adelaide

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Adelaide.

COVID-19 testing requirements
Visitors from Ontario are not required to present a negative COVID-19 PCR test or antigen result upon entering Adelaide.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Adelaide.

Documents
Travel Authorization Form - Travelers who are not in an exempt category may request an individual exemption to Australia's travel restrictions using this form.

Digital Passenger Declaration - You can start a DPD seven days before your flight to Australia, but you can only submit a DPD within 72 hours before your departure.


Do I need a test to fly back to Ontario from Adelaide?

Returning to Ontario from Adelaide

COVID-19 testing requirements
Visitors from Adelaide must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Ontario.

Quarantine requirements
Visitors from Adelaide are not required to quarantine after entering Ontario.

Hide COVID Travel Restrictions for Adelaide, Australia

Alternative routes for Ontario to Adelaide

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Adelaide

Things to know before you go - useful duration and weather info for your trip from Ontario to Adelaide.
Today's exchange rate
$1 = $1.42
Average temperature for May in Adelaide
66.2 °F
Avg rainfall for May in Adelaide
1.8 ″

Airports servicing Ontario

Airports servicing Adelaide

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