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Cheap flights from Cairns to Ontario from $1,434

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 21/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — YYZ
1 Jan — 8 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Cairns to Ontario

Enter your travel dates to find the best prices.

Best flights from Cairns to Ontario
Discover carefully curated flight deals from Cairns to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 December 2025.

Sat 14/211:25CNS - YYZ
1 stop24h 35mCathay Pacific
Wed 18/213:55YYZ - CNS
2 stops53h 50mCathay Pacific
Deal found 29/11$2,177
Thu 5/206:00CNS - YUL
2 stops26h 00mAir Canada
Mon 9/218:20YUL - CNS
2 stops28h 40mAir Canada
Deal found 1/12$2,329
Sat 14/212:35CNS - YYZ
2 stops44h 06mQantas Airways
Wed 18/214:00YYZ - CNS
2 stops29h 45mQantas Airways
Deal found 1/12$2,466

Cheap flight deals from Cairns to Ontario

Keep the following information in mind while searching for Cairns to Ontario flight deals. Data was last updated 2 December 2025.

Round-trip from

$2,020

One-way from

$1,434
Air Canada
  • Air Canada
  • 5/2-9/2
  • 4 total stops
  • 53h 15m total
  • Cairns to Ontario
Search Deals
21/3
  • 21/3
  • 2 total stops
  • 42h 55m total
  • Cairns to Ontario
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cairns to Ontario 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 647,157 searches. Data last updated 2 December 2025.
Use the filters below to find and compare flights from Cairns to Ontario that are best for you.

Fly from

Cairns

Fly to

Ontario

Route

Depart

Return

Price

CairnsToronto

CNS - YYZ

CNSYYZ

Cairns

Sat 14/2

11:25-21:00

1 stop24h 35m

Toronto Pearson Intl

Wed 18/2

13:55-10:45

2 stops53h 50m

$2,177

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Thu 5/2

06:00-17:00

2 stops26h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

18:20-14:00

2 stops28h 40m

$2,329

CairnsToronto

CNS - YYZ

CNSYYZ

Cairns

Sat 14/2

12:35-17:41

2 stops44h 06m

Toronto Pearson Intl

Wed 18/2

14:00-10:45

2 stops29h 45m

$2,466

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Sat 21/3

12:05-17:00

2 stops42h 55m

$1,434

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Sat 21/3

09:20-15:03

3 stops43h 43m

$2,213

CairnsToronto

CNS - YYZ

CNSYYZ

Cairns

Thu 15/1

06:00-19:55

2 stops28h 55m

$2,347

Flights are sorted by cheapest return flights first.

Deals found on 30/11

Best time to book a flight from Cairns to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Cairns with our price prediction graph.
Estimated return 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 Cairns to Ontario
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 2 December 2025.
Check out reviews from past customers who have flown with Cathay Pacific from Cairns to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,080 reviews
Check prices

Comfort

7.6

Food

7.3

Boarding

7.9

Crew

8.1

Overall

7.6

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Cathay Pacific
7.6
Good
1,080 reviews
Cathay Pacific
7.6
Good
1,080 reviews
Check prices

Comfort

7.6

Food

7.3

Boarding

7.9

Crew

8.1

Overall

7.6

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for

Related info for your journey

Find useful and relevant information for your journey from Cairns to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cairns to Ontario?

    Most people fly from Cairns (CNS) if they book a flight from Cairns to Ontario. Cairns is conveniently located just 4.4 km from Cairns’s city centre.

  • How long is the flight from Cairns to Region of Ontario?

    Departing from Cairns to Region of Ontario will take you 24h 35m. The distance from Cairns to Region of Ontario is about 14820 km. This flight may include one or multiple stops.

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

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

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

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

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

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Cairns to Ontario

Discover the top airline that operate flights from Cairns to Ontario. 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 647,157 searches. Data last updated 2 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$1,868Average$2,483FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Cairns to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cairns to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Cairns to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Cairns to Ontario.

Can Cheapflights find flights from Cairns to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from Cairns? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Cairns to Ontario become cheaper?

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