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Cheap flights from Cairns to Ontario from $1,112

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — YYZ
4 Apr — 11 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cairns to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Cairns to Ontario
Explore the most affordable flight options available from Cairns to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 March 2026.

Thu 16/406:45
CNS
-
YYZ
2 stops45h 15m
Multiple Airlines
Thu 23/410:35
YYZ
-
CNS
2 stops38h 25m
Multiple Airlines
Deal found 1/3$2,342
Thu 16/412:35
CNS
-
YYZ
2 stops47h 35m
Cathay Pacific
Thu 23/415:45
YYZ
-
CNS
2 stops33h 15m
Cathay Pacific
Deal found 1/3$2,446
Fri 30/1017:40
CNS
-
YYZ
2 stops33h 35m
Cathay Pacific
Tue 3/1113:55
YYZ
-
CNS
2 stops53h 50m
Cathay Pacific
Deal found 4/3$2,469
Thu 28/511:40
CNS
-
YUL
3 stops33h 25m
Multiple Airlines
Thu 18/613:05
YUL
-
CNS
1 stop25h 25m
Multiple Airlines
Deal found 3/3$2,700
Thu 28/509:20
CNS
-
YUL
2 stops43h 25m
Qatar Airways
Wed 17/621:35
YUL
-
CNS
2 stops35h 45m
Qatar Airways
Deal found 2/3$2,704
Wed 27/516:35
CNS
-
YUL
2 stops60h 10m
Qatar Airways
Wed 17/621:35
YUL
-
CNS
2 stops35h 45m
Qatar Airways
Deal found 2/3$2,707
Thu 28/511:40
CNS
-
YUL
2 stops33h 11m
Multiple Airlines
Wed 17/609:10
YUL
-
CNS
2 stops29h 20m
Multiple Airlines
Deal found 2/3$2,711
Fri 13/311:35
CNS
-
YYZ
2 stops63h 40m
Cathay Pacific
Sun 15/301:35
YYZ
-
CNS
2 stops67h 10m
Cathay Pacific
Deal found 1/3$2,740
Sun 24/516:35
CNS
-
YUL
2 stops60h 10m
Qatar Airways
Sun 14/621:35
YUL
-
CNS
2 stops35h 45m
Qatar Airways
Deal found 2/3$2,791
Tue 26/509:20
CNS
-
YUL
2 stops43h 25m
Qatar Airways
Tue 16/621:35
YUL
-
CNS
2 stops35h 45m
Qatar Airways
Deal found 2/3$2,798
Sun 24/512:10
CNS
-
YUL
2 stops64h 35m
Qatar Airways
Mon 15/621:35
YUL
-
CNS
2 stops35h 45m
Qatar Airways
Deal found 2/3$2,819
Sat 23/509:20
CNS
-
YUL
2 stops43h 25m
Qatar Airways
Sun 14/621:35
YUL
-
CNS
2 stops35h 45m
Qatar Airways
Deal found 2/3$2,841

Find flight deals from Cairns to Ontario

Keep the following information in mind while searching for Cairns to Ontario flight deals. Data was last updated 5 March 2026.

Round-trip from

$2,342

One-way from

$1,112
16/4-23/4
  • 16/4-23/4
  • 4 total stops
  • 83h 40m total
  • Cairns to Ontario
Search Deals
17/6
  • 17/6
  • 3 total stops
  • 46h 40m 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 5 March 2026.
Use the filters below to find and compare flights from Cairns to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Thu 28/5

11:40-07:05

3 stops33h 25m

Montreal Pierre Elliott Trudeau Intl

Thu 18/6

13:05-04:30

1 stop25h 25m

$2,700

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Mon 25/5

16:35-14:45

2 stops60h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

21:35-23:20

2 stops35h 45m

$2,819

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Sun 24/5

12:10-14:45

2 stops64h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

21:35-23:20

2 stops35h 45m

$2,819

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Thu 25/6

17:40-06:15

3 stops50h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 4/7

20:30-08:40

3 stops46h 10m

$2,977

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Fri 20/3

15:45-15:05

2 stops61h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

21:50-14:55

2 stops51h 05m

$3,098

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Sun 24/5

16:35-19:27

2 stops40h 52m

Montreal Pierre Elliott Trudeau Intl

Sat 13/6

07:00-15:55

3 stops42h 55m

$3,217

CairnsToronto

CNS - YYZ

CNSYYZ

Cairns

Thu 16/4

15:35-06:10

2 stops28h 35m

Toronto Pearson Intl

Thu 23/4

13:15-12:55

3 stops33h 40m

$3,364

CairnsToronto

CNS - YYZ

CNSYYZ

Cairns

Wed 17/6

06:45-15:25

3 stops46h 40m

$1,112

CairnsToronto

CNS - YYZ

CNSYYZ

Cairns

Thu 9/4

12:40-06:43

3 stops32h 03m

$1,174

CairnsMontreal

CNS - YUL

CNSYUL

Cairns

Fri 17/4

19:15-14:45

2 stops57h 30m

$1,549

Flights are sorted by cheapest return flights first.

Deals found on 4/3

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 5 March 2026.
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
1,190 reviews
Check prices

Food

7.3

Boarding

7.9

Crew

8.1

Entertainment

7.8

Overall

7.6

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.
Cathay Pacific
7.6
Good
1,190 reviews
Cathay Pacific
7.6
Good
1,190 reviews
Check prices

Food

7.3

Boarding

7.9

Crew

8.1

Entertainment

7.8

Overall

7.6

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.

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 60h 10m. The distance from Cairns to Region of Ontario is about 15163 km.

  • 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 5 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$1,947Average$2,309FlexibilityNo 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?

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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.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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