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CA $1,433 Cheap Flights from Ottawa (YOW) to Cairns (CNS)

View CA $1,433 flight on Mon, Oct 19, 2026Opens in a new window

Popular airlines from Ottawa International Airport (YOW) to Cairns Intl. Airport (CNS)

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Cheap flights from Ottawa (YOW) to Cairns (CNS)

Prices were available within the past 7 days and start at CA $1,433 for one-way flights and CA $2,383 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Porter Airlines
Tue, Nov 17 - Thu, Dec 3
YOW
Ottawa
CNS
Cairns
CA $2,383 Roundtrip, found 5 days ago
CA $2,383
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Tue, Nov 17 from Ottawa to Cairns, returning Thu, Dec 3, priced at CA $2,383 found 5 days ago
Porter Airlines
Thu, Nov 12 - Thu, Dec 3
YOW
Ottawa
CNS
Cairns
CA $2,483 Roundtrip, found 5 days ago
CA $2,483
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Thu, Nov 12 from Ottawa to Cairns, returning Thu, Dec 3, priced at CA $2,483 found 5 days ago
Porter Airlines
Thu, Nov 12 - Sat, Nov 28
YOW
Ottawa
CNS
Cairns
CA $2,583 Roundtrip, found 5 days ago
CA $2,583
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Thu, Nov 12 from Ottawa to Cairns, returning Sat, Nov 28, priced at CA $2,583 found 5 days ago
Air Canada
Sat, Nov 14 - Wed, Dec 2
YOW
Ottawa
CNS
Cairns
CA $2,819 Roundtrip, found 5 days ago
CA $2,819
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sat, Nov 14 from Ottawa to Cairns, returning Wed, Dec 2, priced at CA $2,819 found 5 days ago
Air Canada
Mon, Feb 1 - Tue, Apr 27
YOW
Ottawa
CNS
Cairns
CA $2,841 Roundtrip, found 1 day ago
CA $2,841
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Feb 1 from Ottawa to Cairns, returning Tue, Apr 27, priced at CA $2,841 found 1 day ago
Air Canada
Sat, Nov 14 - Tue, Dec 1
YOW
Ottawa
CNS
Cairns
CA $2,844 Roundtrip, found 5 days ago
CA $2,844
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sat, Nov 14 from Ottawa to Cairns, returning Tue, Dec 1, priced at CA $2,844 found 5 days ago
Air Canada
Mon, Feb 1 - Tue, Apr 27
YOW
Ottawa
CNS
Cairns
CA $2,849 Roundtrip, found 1 day ago
CA $2,849
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Feb 1 from Ottawa to Cairns, returning Tue, Apr 27, priced at CA $2,849 found 1 day ago
Air Canada
Sun, Nov 15 - Wed, Dec 2
YOW
Ottawa
CNS
Cairns
CA $2,864 Roundtrip, found 5 days ago
CA $2,864
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sun, Nov 15 from Ottawa to Cairns, returning Wed, Dec 2, priced at CA $2,864 found 5 days ago
Air Canada
Sat, Sep 26 - Sat, Oct 10
YOW
Ottawa
CNS
Cairns
CA $2,870 Roundtrip, found 6 days ago
CA $2,870
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sat, Sep 26 from Ottawa to Cairns, returning Sat, Oct 10, priced at CA $2,870 found 6 days ago
United
Sun, Nov 15 - Mon, Nov 30
YOW
Ottawa
CNS
Cairns
CA $10,875 Roundtrip, found 5 days ago
CA $10,875
Roundtrip
found 5 days ago
Select United flight, departing Sun, Nov 15 from Ottawa to Cairns, returning Mon, Nov 30, priced at CA $10,875 found 5 days ago

Frequently asked questions

How much does a flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.) cost?
You can find cheap one-way flights from CA $1,433 and cheap return flights from CA $2,383 YOW to CNS with Expedia. One-way flights typically cost between CA$1574 and CA$8634. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when YOW to CNS ticket fares go up or down.
What is the cheapest month to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
The cheapest months to fly from YOW to CNS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
Enter YOW to CNS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
To find a cheap flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
There are approximately 17 connecting flights per day from Ottawa Macdonald-Cartier International Airport (YOW) to Cairns International Airport (CNS). Some common connection points include Pearson International (YYZ), Vancouver International (YVR), and Pierre Elliott Trudeau International (YUL).
What is the earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
The earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.) typically departs around 5:00 AM. This route is operated by Air Canada and Jetstar. This is a seasonal service, active only in November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
You'll typically find the most flights from Ottawa Macdonald-Cartier International Airport (YOW) to Cairns Cairns International Airport (CNS) on a Thursday, with around 18 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Air Canada, United, and Porter Airlines.
What are the most popular departure times for flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
The most popular departure times for flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.) are in the afternoon, from 3pm to 6pm. Many major carriers, including Air Canada and United, offer flights during this window. Many travelers prefer this time because it allows for a full day of activities before heading to the airport.
Can you fly business or first class from Ottawa, ON (YOW) to Cairns, QLD (CNS)?
Select the "Business class" and "First class" filters when looking for Ottawa, ON (YOW) to Cairns, QLD (CNS) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.) flight with Expedia?
It's easy to earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Cairns, QLD (CNS) from Ottawa, ON (YOW)?
If you're planning to travel to Cairns from Macdonald-Cartier Intl. (YOW), you typically fly into Cairns Intl. (CNS) which offers international flights and connections. Some flights may connect through major hubs like Pearson Intl. (YYZ), Vancouver Intl. (YVR), or Pierre Elliott Trudeau Intl. (YUL) before reaching Cairns. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.) at the last minute?
Typically, booking a last minute flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.) flight and hotel package?
Securing a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
If you booked your Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Cairns, QLD (CNS-Cairns Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Macdonald-Cartier Intl.
Destination airport
Cairns Intl.
Airlines serving
Air Canada
Roundtrip price
CA $2,383
Distance
14958 km

Book with confidence

Ottawa to Cairns Flights

The easy way to book your flights from Ottawa to Cairns 

With Expedia, it’s simple to find and book flights to Cairns from Ottawa whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Cairns Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ottawa to Cairns today, tomorrow, or this week.  

 

Save dollars with cheap flights from Macdonald-Cartier Intl., YOW to Cairns Intl., CNS 

Sort your search results by price to find great deals on your flight from Ottawa to Cairns—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Cairns from Ottawa currently is just CA $2,383 rising to CA $10,875.  

Here are more money-saving tips: 

  • Fly in November when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Cairns  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Cairns from Ottawa 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Cairns with Expedia today.

Ottawa to Cairns Flights

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*Available to Expedia members.