$260 Cheap Flights from Cairns (CNS) to Singapore (SIN)

View $260 flight on Wed, Apr 15, 2026Opens in a new window

Popular airlines from Cairns Intl. Airport (CNS) to Singapore Changi Airport (SIN)

Cheap Flights from Cairns to Singapore (CNS-SIN)

Prices were available within the past 7 days and start at $260 for one-way flights and $646 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qantas Airways
Wed, Jul 15 - Mon, Jul 27
CNS
Cairns
SIN
Singapore
$646 Roundtrip, found 8 hours ago
$646
Roundtrip
found 8 hours ago
Select Qantas Airways flight, departing Wed, Jul 15 from Cairns to Singapore, returning Mon, Jul 27, priced at $646 found 8 hours ago
Qantas Airways
Sat, May 9 - Mon, May 18
CNS
Cairns
SIN
Singapore
$648 Roundtrip, found 1 day ago
$648
Roundtrip
found 1 day ago
Select Qantas Airways flight, departing Sat, May 9 from Cairns to Singapore, returning Mon, May 18, priced at $648 found 1 day ago
Qantas Airways
Sat, Feb 21 - Wed, Feb 25
CNS
Cairns
SIN
Singapore
$656 Roundtrip, found 15 hours ago
$656
Roundtrip
found 15 hours ago
Select Qantas Airways flight, departing Sat, Feb 21 from Cairns to Singapore, returning Wed, Feb 25, priced at $656 found 15 hours ago
Qantas Airways
Sat, May 9 - Mon, May 18
CNS
Cairns
SIN
Singapore
$658 Roundtrip, found 1 day ago
$658
Roundtrip
found 1 day ago
Select Qantas Airways flight, departing Sat, May 9 from Cairns to Singapore, returning Mon, May 18, priced at $658 found 1 day ago
Qantas Airways
Sat, Mar 14 - Sun, Mar 22
CNS
Cairns
SIN
Singapore
$658 Roundtrip, found 16 hours ago
$658
Roundtrip
found 16 hours ago
Select Qantas Airways flight, departing Sat, Mar 14 from Cairns to Singapore, returning Sun, Mar 22, priced at $658 found 16 hours ago
Qantas Airways
Fri, Jul 17 - Mon, Jul 27
CNS
Cairns
SIN
Singapore
$661 Roundtrip, found 8 hours ago
$661
Roundtrip
found 8 hours ago
Select Qantas Airways flight, departing Fri, Jul 17 from Cairns to Singapore, returning Mon, Jul 27, priced at $661 found 8 hours ago
Jetstar
Sat, May 9 - Mon, May 18
CNS
Cairns
SIN
Singapore
$665 Roundtrip, found 1 day ago
$665
Roundtrip
found 1 day ago
Select Jetstar flight, departing Sat, May 9 from Cairns to Singapore, returning Mon, May 18, priced at $665 found 1 day ago
Air Niugini
Sat, Jul 18 - Sat, Jul 25
CNS
Cairns
SIN
Singapore
$685 Roundtrip, found 8 hours ago
$685
Roundtrip
found 8 hours ago
Select Air Niugini flight, departing Sat, Jul 18 from Cairns to Singapore, returning Sat, Jul 25, priced at $685 found 8 hours ago
Cathay Pacific
Sat, Feb 21 - Wed, Feb 25
CNS
Cairns
SIN
Singapore
$1,179 Roundtrip, found 15 hours ago
$1,179
Roundtrip
found 15 hours ago
Select Cathay Pacific flight, departing Sat, Feb 21 from Cairns to Singapore, returning Wed, Feb 25, priced at $1,179 found 15 hours ago
British Airways
Sat, Mar 14 - Sun, Mar 22
CNS
Cairns
SIN
Singapore
$1,362 Roundtrip, found 16 hours ago
$1,362
Roundtrip
found 16 hours ago
Select British Airways flight, departing Sat, Mar 14 from Cairns to Singapore, returning Sun, Mar 22, priced at $1,362 found 16 hours ago
Flights from Cairns (CNS) to Singapore (SIN)
Origin airport
Cairns Intl.
Destination airport
Changi
Airlines serving
Air Niugini, British Airways, Cathay Pacific, Qantas Airways
Roundtrip price
$646
Distance
3111 mi
Average flight time
6 hours 20 mins

Cairns to Singapore Flights

The cheapest times to fly from Cairns to Singapore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cairns to Singapore are during the month of July. You can find some of the cheapest flights from Cairns to Singapore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cairns to Singapore

Sunday is one of the best days to book for cheap flights from Cairns to Singapore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Cairns to Singapore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cairns to Singapore in 2026. You can also book with separate airlines for your outbound and return journeys, from $260 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cairns to Singapore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cairns to Singapore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi) cost?
You can find cheap one-way flights from $260 and cheap return flights from $646 Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi) with Expedia. One-way flights typically cost between $246 and $2476, and return flights often range between $697 and $2301. 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 Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi)?
The cheapest month to fly from CNS to SIN is July 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're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi)?
You can fly direct from CNS to SIN on Singapore Airlines, with around 7 flights per week.
How do I find cheap flights from Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi)?
To find a cheap flight from Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi), 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 airline to fly with from Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi)?
The best airline to fly with from Cairns, QLD (CNS) to Singapore (SIN) will differ from traveler to traveler. If you like to fly early, Singapore Airlines offers early morning flights. If price is the most important factor, Singapore Airlines typically offers the lowest fares. Qantas Airways offers the most daily flights from CNS to SIN, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi)?
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 Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi)?
There are approximately 1 nonstop flights per day from Cairns Intl. (CNS) to Changi (SIN). For more options, look at flights that include layovers.
What is the earliest flight from Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi)?
The earliest flight from Cairns International Airport (CNS) to Changi Airport (SIN) typically departs at around 5:45 AM, operated by Jetstar and British Airways. This seasonal service is active in October, allowing you to maximize your time in Singapore. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi)?
The most popular departure times for flights from Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi) are in the late morning, from 9am to noon. About 24% of passengers prefer this time window. Many major carriers, including Qantas and Jetstar, offer flights during this window. This timing is favored because it allows you to enjoy a relaxed morning before your flight.
How long does it take to fly from Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi)?
Direct flights from CNS to SIN usually take about 6 hours 20 minutes, traveling roughly 3,112 miles. If you opt for a connecting flight, expect to add around 8 hours to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi)?
Business class seats are offered on the CNS to SIN route with Qantas Airways and Singapore Airlines.
How much is a business class flight from Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi)?
A direct, return business class ticket from Cairns (CNS) to Singapore (SIN) typically costs between $4,496 - $11,318. A non-stop, one-way business class flight is usually around $2,139 - $2,736. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi) flight with Expedia?
It's easy to earn miles on a Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi) 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 Singapore from Cairns Intl. (CNS)?
From Cairns Intl. (CNS), you can fly into Changi (SIN) to reach Singapore. Some flights may connect through major hubs like BNE (BNE), Kingsford Smith Intl. (SYD), Tullamarine (MEL) before reaching Singapore. 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 Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi) at the last minute?
Typically, booking a last minute flight from Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi) 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 Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi) flight and hotel package?
Securing a Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi) Singapore Vacation Packages 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 Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi)?
If you booked your Cairns, QLD (CNS-Cairns Intl.) to Singapore (SIN-Changi) 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.

*Flight schedules are subject to change.

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*Available to One Key members.