$369 Cheap Flights from Cairns (CNS) to Hong Kong (HKG)

View $369 flight on Mon, Dec 22, 2025Opens in a new window

Popular airlines from Cairns Intl. Airport (CNS) to Hong Kong International Airport (HKG)

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Cheap Flights from Cairns to Hong Kong (CNS-HKG)

Prices were available within the past 7 days and start at $369 for one-way flights and $615 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Niugini
Mon, Dec 22 - Mon, Dec 29
CNS
Cairns
HKG
Hong Kong SAR
$615 Roundtrip, found 1 day ago
$615
Roundtrip
found 1 day ago
Select Air Niugini flight, departing Mon, Dec 22 from Cairns to Hong Kong SAR, returning Mon, Dec 29, priced at $615 found 1 day ago
Air Niugini
Fri, Aug 22 - Fri, Aug 29
CNS
Cairns
HKG
Hong Kong SAR
$769 Roundtrip, found 3 days ago
$769
Roundtrip
found 3 days ago
Select Air Niugini flight, departing Fri, Aug 22 from Cairns to Hong Kong SAR, returning Fri, Aug 29, priced at $769 found 3 days ago
Qantas Airways
Mon, Aug 25 - Mon, Sep 1
CNS
Cairns
HKG
Hong Kong SAR
$865 Roundtrip, found 16 hours ago
$865
Roundtrip
found 16 hours ago
Select Qantas Airways flight, departing Mon, Aug 25 from Cairns to Hong Kong SAR, returning Mon, Sep 1, priced at $865 found 16 hours ago
Cathay Pacific
Mon, Aug 25 - Mon, Sep 1
CNS
Cairns
HKG
Hong Kong SAR
$871 Roundtrip, found 16 hours ago
$871
Roundtrip
found 16 hours ago
Select Cathay Pacific flight, departing Mon, Aug 25 from Cairns to Hong Kong SAR, returning Mon, Sep 1, priced at $871 found 16 hours ago
Qantas Airways
Mon, Aug 25 - Mon, Sep 1
CNS
Cairns
HKG
Hong Kong SAR
$878 Roundtrip, found 16 hours ago
$878
Roundtrip
found 16 hours ago
Select Qantas Airways flight, departing Mon, Aug 25 from Cairns to Hong Kong SAR, returning Mon, Sep 1, priced at $878 found 16 hours ago
Qantas Airways
Mon, Aug 25 - Mon, Sep 1
CNS
Cairns
HKG
Hong Kong SAR
$878 Roundtrip, found 16 hours ago
$878
Roundtrip
found 16 hours ago
Select Qantas Airways flight, departing Mon, Aug 25 from Cairns to Hong Kong SAR, returning Mon, Sep 1, priced at $878 found 16 hours ago
Qantas Airways
Mon, Aug 25 - Mon, Sep 1
CNS
Cairns
HKG
Hong Kong SAR
$880 Roundtrip, found 16 hours ago
$880
Roundtrip
found 16 hours ago
Select Qantas Airways flight, departing Mon, Aug 25 from Cairns to Hong Kong SAR, returning Mon, Sep 1, priced at $880 found 16 hours ago
Cathay Pacific
Mon, Aug 25 - Mon, Sep 1
CNS
Cairns
HKG
Hong Kong SAR
$885 Roundtrip, found 16 hours ago
$885
Roundtrip
found 16 hours ago
Select Cathay Pacific flight, departing Mon, Aug 25 from Cairns to Hong Kong SAR, returning Mon, Sep 1, priced at $885 found 16 hours ago
Jetstar
Mon, Aug 25 - Mon, Sep 1
CNS
Cairns
HKG
Hong Kong SAR
$886 Roundtrip, found 16 hours ago
$886
Roundtrip
found 16 hours ago
Select Jetstar flight, departing Mon, Aug 25 from Cairns to Hong Kong SAR, returning Mon, Sep 1, priced at $886 found 16 hours ago
Singapore Airlines
Mon, Aug 25 - Mon, Sep 1
CNS
Cairns
HKG
Hong Kong SAR
$983 Roundtrip, found 16 hours ago
$983
Roundtrip
found 16 hours ago
Select Singapore Airlines flight, departing Mon, Aug 25 from Cairns to Hong Kong SAR, returning Mon, Sep 1, priced at $983 found 16 hours ago
Flights from Cairns (CNS) to Hong Kong (HKG)
Origin airport
Cairns Intl.
Destination airport
Hong Kong Intl.
Airlines serving
Air Niugini, Cathay Pacific, Qantas Airways, Singapore Airlines
Roundtrip price
$615
Distance
3458 mi

Cairns to Hong Kong Flights

The cheapest times to fly from Cairns to Hong Kong

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 Hong Kong are during the month of December. You can find some of the cheapest flights from Cairns to Hong Kong with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cairns to Hong Kong

Sunday is one of the best days to book for cheap flights from Cairns to Hong Kong: 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 Hong Kong

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 Hong Kong in 2025. You can also book with separate airlines for your outbound and return journeys, from $369 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 Hong Kong 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 Hong Kong 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 Intl. Airport (CNS) to Hong Kong Intl. Airport (HKG) cost?
Discover the latest flight deals from CNS to HKG by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CNS to HKG?
The cheapest flights from CNS to HKG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Cairns Intl. Airport (CNS) to Hong Kong Intl. Airport (HKG)?
Jump on a nonstop flight with Cathay Pacific and travel straight from Cairns Intl. Airport (CNS) to Hong Kong Intl. Airport (HKG).
What is the cheapest airline that flies from CNS to HKG?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from CNS to HKG. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Cairns Intl. Airport (CNS) to Hong Kong Intl. Airport (HKG)?
On average, you can take your pick of 3 nonstop flights taking off from Cairns Intl. Airport (CNS) to Hong Kong Intl. Airport (HKG) every week. If you can't find one that works for your schedule, consider taking a flight with a layover. Customize your search results on Expedia to include one or two stops and opt for the best alternative.
What are the most popular departure times for flights from Cairns Intl. Airport (CNS) to Hong Kong Intl. Airport (HKG)?
The 12 PM departures from CNS to HKG are the top choice for many travelers. These flights can come with a higher price due to their popularity. If you want to save on your trip, pick a less crowded time to fly.
What day of the week has the most flights from CNS to HKG?
If you travel on a Thursday, you'll get the widest range of choices for flights from Cairns Intl. Airport (CNS) to Hong Kong Intl. Airport (HKG).
What is the earliest flight from Cairns Intl. Airport (CNS) to Hong Kong Intl. Airport (HKG)?
The earliest flight out of Cairns Intl. Airport (CNS) is at around 12:00PM UTC+10. Catch this flight and you'll arrive at Hong Kong Intl. Airport (HKG) at approximately 5:15PM UTC+8. The overall travel time is 7h 15m.
How long does it take to fly from Cairns Intl. Airport (CNS) to Hong Kong Intl. Airport (HKG)?
The average flight time from CNS to HKG is 7 hours and 15 minutes, covering a distance of 3,500 mi.
What airline has the least delays from CNS to HKG?
With 100% of journeys generally arriving on time, Qantas has the best on-time performance for nonstop flights from Cairns Intl. Airport (CNS) to Hong Kong Intl. Airport (HKG). To monitor your flight status and get notifications about any changes, simply head to the Expedia App.
What is the best time to fly from Cairns Intl. Airport (CNS) to Hong Kong Intl. Airport (HKG)?
To avoid possible delays on the Cairns Intl. Airport (CNS) to Hong Kong Intl. Airport (HKG) route, aim to travel before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Hong Kong from Cairns Intl. Airport (CNS)?
Explore your flight options from Cairns Intl. Airport (CNS) to Hong Kong Intl. Airport (HKG). This is the only airport in Hong Kong you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Cairns Intl. Airport (CNS) to Hong Kong Intl. Airport (HKG) last-minute?
Waiting until right before your break to book a flight from CNS to HKG often results in higher prices. While it's possible to find some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule for a better chance of getting a bargain.
Is it cheaper to book a CNS to HKG flight and hotel package?
Compared with arranging hotels and flights separately, booking a CNS to HKG flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the hassle out of travel planning. Simply pick your flights and choose from our wide range of stays, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Cairns Intl. Airport (CNS) to Hong Kong Intl. Airport (HKG)?
Typically, it's possible to cancel or reschedule your CNS to HKG flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.