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Cheap flights from Ontario to Cairns from C$ 2,532

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CNS
6 May — 13 May1
1 adult

Cheap flight deals from Ontario to Cairns

Keep the following information in mind while searching for Ontario to Cairns flight deals. Data was last updated 1 May 2025.

Round-trip from

C$ 2,532
Qatar Airways
  • Qatar Airways
  • 15/9-20/10
  • 4 total stops
  • 92h 55m total
  • Ontario to Cairns
Search Deals

Find flight deals from Ontario to Cairns

Cheapest flights from Ontario to Cairns
Explore the most affordable flight options available from Ontario to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2025.

Mon 15/99:35 p.m.YUL - CNS
2 stops36h 00mQatar Airways
Mon 20/107:50 p.m.CNS - YUL
2 stops56h 55mQatar Airways
Deal found 30/4C$ 2,532
Mon 9/67:00 a.m.YUL - CNS
3 stops43h 40mQantas Airways
Tue 17/610:15 a.m.CNS - YUL
3 stops52h 28mQantas Airways
Deal found 30/4C$ 2,558
Tue 20/56:40 p.m.YYZ - CNS
2 stops31h 15mMultiple Airlines
Mon 2/69:30 p.m.CNS - YYZ
2 stops54h 20mMultiple Airlines
Deal found 30/4C$ 2,584
Sat 14/66:30 p.m.YYZ - CNS
2 stops28h 25mQantas Airways
Sat 21/67:00 p.m.CNS - YYZ
2 stops50h 00mQantas Airways
Deal found 30/4C$ 2,608
Mon 15/94:40 p.m.YUL - CNS
2 stops34h 20mMultiple Airlines
Mon 20/106:15 p.m.CNS - YUL
2 stops38h 35mMultiple Airlines
Deal found 30/4C$ 2,610
Mon 15/95:00 p.m.YUL - CNS
3 stops53h 55mAir New Zealand
Mon 20/1010:55 a.m.CNS - YUL
2 stops33h 58mAir New Zealand
Deal found 30/4C$ 2,649
Fri 27/61:50 a.m.YYZ - CNS
2 stops55h 00mCathay Pacific
Mon 14/711:45 a.m.CNS - YYZ
2 stops40h 05mCathay Pacific
Deal found 30/4C$ 4,813

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Cairns 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 629,999 searches. Data last updated 1 May 2025.
Use the filters below to find and compare flights from Ontario to Cairns that are best for you.

Fly from

Ontario

Fly to

Cairns

Route

Depart

Return

Price

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Mon 15/9

9:35 p.m.-11:35 p.m.

2 stops36h 00m

Cairns

Mon 20/10

7:50 p.m.-2:45 p.m.

2 stops56h 55m

C$ 2,532

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Mon 9/6

7:00 a.m.-4:40 p.m.

3 stops43h 40m

Cairns

Tue 17/6

10:15 a.m.-12:43 a.m.

3 stops52h 28m

C$ 2,558

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Tue 20/5

6:40 p.m.-3:55 p.m.

2 stops31h 15m

Cairns

Mon 2/6

9:30 p.m.-1:50 p.m.

2 stops54h 20m

C$ 2,584

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Sat 14/6

6:30 p.m.-12:55 p.m.

2 stops28h 25m

Cairns

Sat 21/6

7:00 p.m.-7:00 a.m.

2 stops50h 00m

C$ 2,608

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Mon 15/9

4:40 p.m.-5:00 p.m.

2 stops34h 20m

Cairns

Mon 20/10

6:15 p.m.-6:50 p.m.

2 stops38h 35m

C$ 2,610

MontrealCairns

YUL - CNS

YULCNS

Montreal Pierre Elliott Trudeau Intl

Mon 15/9

5:00 p.m.-12:55 p.m.

3 stops53h 55m

Cairns

Mon 20/10

10:55 a.m.-6:53 a.m.

2 stops33h 58m

C$ 2,649

TorontoCairns

YYZ - CNS

YYZCNS

Toronto Pearson Intl

Fri 27/6

1:50 a.m.-10:50 p.m.

2 stops55h 00m

Cairns

Mon 14/7

11:45 a.m.-1:50 p.m.

2 stops40h 05m

C$ 4,813

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/4

Best time to book a flight from Ontario to Cairns

Have a flexible travel schedule? Discover the best time to fly to Cairns from Ontario with our price prediction graph.
Estimated round-trip 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 Ontario to Cairns

Rainfall in Cairns by month

Plan your trip to Cairns by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cairns ranges from 20.0 - 430.0 mm per month. March is typically the wettest month, when rainfall can reach 430.0 mm. July is typically the driest time to visit Cairns when rainfall is around 20.0 mm.

Temperature in Cairns by month

Plan your trip to Cairns by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cairns, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 21.0 C).

Reviews of airlines servicing Cairns

Get insights into the airlines that provide service to Cairns. 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 Cairns. Reviews last updated 1 May 2025.
Air New Zealand
8.0
Very good
472 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

IAH - MSP

wish I didn't have to pay for wifi as I could not redeem my miles from my phone to pay for drinks
Air New Zealand
8.0
Very good
472 reviews
Air New Zealand
8.0
Very good
472 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

IAH - MSP

wish I didn't have to pay for wifi as I could not redeem my miles from my phone to pay for drinks
Qantas Airways
7.5
Good
829 reviews
Air New Zealand
8.0
Very good
472 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

IAH - MSP

wish I didn't have to pay for wifi as I could not redeem my miles from my phone to pay for drinks
Cathay Pacific
7.5
Good
855 reviews
Air New Zealand
8.0
Very good
472 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

IAH - MSP

wish I didn't have to pay for wifi as I could not redeem my miles from my phone to pay for drinks
Qatar Airways
7.4
Good
3,563 reviews
Air New Zealand
8.0
Very good
472 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

IAH - MSP

wish I didn't have to pay for wifi as I could not redeem my miles from my phone to pay for drinks

Related info for your journey

Find useful and relevant information for your journey from Ontario to Cairns. 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 into for flights to Cairns from Ontario?

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Cairns 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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Certainly. Search results for flights to Cairns from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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