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Cheap flights from Cairns to Ontario from $2,046

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — YYZ
16 Sep — 23 Sep1
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 17 August 2026.

Fri 21/819:15 -
2 stops40h 45m
Fri 23/1011:05 -
2 stops37h 50m
Deal found 12/8$2,694
Sun 27/920:55 -
2 stops62h 25m
Sat 3/1001:45 -
2 stops49h 00m
Deal found 13/8$2,960
Thu 27/812:35 -
2 stops47h 35m
Mon 28/901:50 -
2 stops47h 10m
Deal found 14/8$3,307
Mon 24/806:50 -
2 stops30h 04m
Sat 17/1014:59 -
2 stops29h 51m
Deal found 14/8$3,527
Mon 24/806:50 -
2 stops30h 04m
Sat 17/1013:15 -
3 stops31h 20m
Deal found 14/8$3,536
Mon 24/806:50 -
2 stops30h 04m
Mon 19/1014:59 -
2 stops30h 56m
Deal found 14/8$3,584
Sat 22/815:45 -
3 stops33h 58m
Sat 12/912:32 -
3 stops32h 03m
Deal found 12/8$3,614
Sun 27/906:50 -
3 stops36h 55m
Sun 4/1018:15 -
2 stops37h 15m
Deal found 13/8$3,616
Wed 26/813:40 -
2 stops63h 20m
Mon 19/1021:00 -
2 stops54h 25m
Deal found 14/8$3,632
Tue 25/812:35 -
2 stops39h 25m
Sat 17/1001:50 -
2 stops43h 00m
Deal found 14/8$3,650
Mon 24/810:30 -
2 stops42h 30m
Fri 16/1021:00 -
2 stops45h 30m
Deal found 14/8$3,653

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 17 August 2026.

Round-trip from

$2,092

One-way from

$2,046
Fiji Airways
  • Fiji Airways
  • 21/11-23/2
  • 4 total stops
  • 56h 10m total
  • Cairns to Ontario
Search Deals
29/9
  • 29/9
  • 2 total stops
  • 37h 10m 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 17 August 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

Cheapest return flight

CairnsMontreal

CNS Cairns - YUL Montreal Pierre Elliott Trudeau Intl

CNSYUL

Cairns

Thu 4/2

15:45-14:05

2 stops61h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 8/2

20:50-10:15

2 stops46h 25m

$2,513

CairnsToronto

CNS Cairns - YYZ Toronto Pearson Intl

CNSYYZ

Cairns

Sun 27/9

20:55-21:20

2 stops62h 25m

Toronto Pearson Intl

Sat 3/10

01:45-16:45

2 stops49h 00m

$2,960

CairnsToronto

CNS Cairns - YYZ Toronto Pearson Intl

CNSYYZ

Cairns

Wed 27/1

11:40-21:00

2 stops72h 20m

Toronto Pearson Intl

Sun 31/1

13:55-10:55

2 stops54h 00m

$3,012

CairnsToronto

CNS Cairns - YYZ Toronto Pearson Intl

CNSYYZ

Cairns

Thu 27/8

12:35-22:10

2 stops47h 35m

Toronto Pearson Intl

Mon 28/9

01:50-15:00

2 stops47h 10m

$3,307

CairnsMontreal

CNS Cairns - YUL Montreal Pierre Elliott Trudeau Intl

CNSYUL

Cairns

Thu 4/2

06:00-19:35

2 stops28h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 8/2

19:10-14:55

3 stops52h 45m

$3,508

CairnsToronto

CNS Cairns - YYZ Toronto Pearson Intl

CNSYYZ

Cairns

Sun 27/9

06:50-05:45

3 stops36h 55m

Toronto Pearson Intl

Sun 4/10

18:15-21:30

2 stops37h 15m

$3,616

CairnsToronto

CNS Cairns - YYZ Toronto Pearson Intl

CNSYYZ

Cairns

Mon 28/9

06:00-09:35

2 stops65h 35m

Toronto Pearson Intl

Mon 5/10

14:55-22:45

2 stops65h 50m

$3,875
Fastest return journey

CairnsToronto

CNS Cairns - YYZ Toronto Pearson Intl

CNSYYZ

Cairns

Thu 27/8

15:45-12:33

3 stops34h 48m

Toronto Pearson Intl

Tue 29/9

15:13-12:55

3 stops31h 42m

$3,882

CairnsToronto

CNS Cairns - YYZ Toronto Pearson Intl

CNSYYZ

Cairns

Sun 27/9

07:30-09:30

2 stops64h 00m

Toronto Pearson Intl

Sun 4/10

14:55-22:45

2 stops65h 50m

$4,081
Cheapest one-way
Fastest single journey

CairnsMontreal

CNS Cairns - YUL Montreal Pierre Elliott Trudeau Intl

CNSYUL

Cairns

Tue 29/9

15:35-14:45

2 stops37h 10m

$2,046

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Sorted by cheapest first

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.

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 36h 55m. 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

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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?

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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