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Cheap flights from Cairns to Sydney from £59

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cairns to Sydney departing on 14/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Jetstar Logo
05:45 - 08:40CNS-SYD
2h 55mdirect
Jetstar Logo
20:45 - 22:50SYD-CNS
3h 05mdirect
£109Jetstar
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Wed, 1 Oct - Wed, 22 Oct
Jetstar Logo
18:05 - 22:05CNS-SYD
3h 00mdirect
Jetstar Logo
15:25 - 17:30SYD-CNS
3h 05mdirect
£128Jetstar
Find Deal
Sat, 13 Dec - Wed, 17 Dec
Jetstar Logo
18:00 - 21:55CNS-SYD
2h 55mdirect
Jetstar Logo
20:45 - 22:50SYD-CNS
3h 05mdirect
£135Jetstar
Find Deal
Tue, 14 Oct - Sat, 18 Oct
Jetstar Logo
06:40 - 10:40CNS-SYD
3h 00mdirect
Jetstar Logo
06:20 - 08:20SYD-CNS
3h 00mdirect
£139Jetstar
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Virgin Australia Logo
06:00 - 11:40CNS-SYD
4h 40m1 stop
Virgin Australia Logo
14:40 - 16:45SYD-CNS
3h 05mdirect
£168Virgin Australia
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Mon, 26 Jan - Mon, 26 Jan
Virgin Australia Logo
17:35 - 21:35CNS-SYD
3h 00mdirect
Virgin Australia Logo
07:30 - 11:00SYD-CNS
4h 30m1 stop
£173Virgin Australia
Find Deal
Sun, 14 Dec - Thu, 18 Dec
Qantas Airways Logo
17:00 - 20:55CNS-SYD
2h 55mdirect
Qantas Airways Logo
14:10 - 16:15SYD-CNS
3h 05mdirect
£219Qantas Airways
Find Deal
Sat, 8 Nov - Mon, 10 Nov
Logo
17:00 - 20:55CNS-SYD
2h 55mdirect
Logo
06:20 - 08:20SYD-CNS
3h 00mdirect
£224
Find Deal
Sat, 8 Nov - Mon, 10 Nov
Logo
06:40 - 10:40CNS-SYD
3h 00mdirect
Logo
18:00 - 23:05SYD-CNS
6h 05m1 stop
£224
Find Deal
Tue, 23 Dec - Tue, 23 Dec
Qantas Airways Logo
11:45 - 20:05CNS-SYD
7h 20m1 stop
Qantas Airways Logo
14:10 - 16:15SYD-CNS
3h 05mdirect
£239Qantas Airways
Find Deal
Sat, 8 Nov - Mon, 10 Nov

Jetstar flights from Cairns to Sydney

Our best Jetstar deals on Cairns to Sydney flight tickets
Jetstar
1 Oct
CNS05:45Cairns
2h 55m
SYD08:40Sydney Kingsford Smith
22 Oct
SYD20:45Sydney Kingsford Smith
3h 05m
CNS22:50Cairns
£109
Find similar
Jetstar
13 Dec
CNS18:05Cairns
3h 00m
SYD22:05Sydney Kingsford Smith
17 Dec
SYD15:25Sydney Kingsford Smith
3h 05m
CNS17:30Cairns
£128
Find similar
Jetstar
14 Oct
CNS18:00Cairns
2h 55m
SYD21:55Sydney Kingsford Smith
18 Oct
SYD20:45Sydney Kingsford Smith
3h 05m
CNS22:50Cairns
£135
Find similar

Qantas Airways flights from Cairns to Sydney

Our best Qantas Airways deals on Cairns to Sydney flight tickets
Qantas Airways
8 Nov
CNS17:00Cairns
2h 55m
SYD20:55Sydney Kingsford Smith
10 Nov
SYD14:10Sydney Kingsford Smith
3h 05m
CNS16:15Cairns
£219
Find similar
Qantas Airways
8 Nov
CNS11:45Cairns
7h 20m
1 stop
SYD20:05Sydney Kingsford Smith
10 Nov
SYD14:10Sydney Kingsford Smith
3h 05m
CNS16:15Cairns
£239
Find similar
Qantas Airways
8 Nov
CNS15:35Cairns
4h 55m
1 stop
SYD21:30Sydney Kingsford Smith
10 Nov
SYD14:10Sydney Kingsford Smith
3h 05m
CNS16:15Cairns
£247
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Cairns to Sydney 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, momondo users made 279,928 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Cairns to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 1/10

05:45-08:40

Nonstop2h 55m

Sydney Kingsford Smith

Wed 22/10

20:45-22:50

Nonstop3h 05m

£109

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 13/12

18:05-22:05

Nonstop3h 00m

Sydney Kingsford Smith

Wed 17/12

15:25-17:30

Nonstop3h 05m

£128

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 14/10

18:00-21:55

Nonstop2h 55m

Sydney Kingsford Smith

Sat 18/10

20:45-22:50

Nonstop3h 05m

£135

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 29/10

06:40-10:40

Nonstop3h 00m

Sydney Kingsford Smith

Wed 5/11

06:20-08:20

Nonstop3h 00m

£139

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Mon 26/1

06:00-11:40

1 stop4h 40m

Sydney Kingsford Smith

Mon 26/1

14:40-16:45

Nonstop3h 05m

£168

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sun 14/12

17:35-21:35

Nonstop3h 00m

Sydney Kingsford Smith

Thu 18/12

07:30-11:00

1 stop4h 30m

£173

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 8/11

17:00-20:55

Nonstop2h 55m

Sydney Kingsford Smith

Mon 10/11

14:10-16:15

Nonstop3h 05m

£219

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 8/11

17:00-20:55

Nonstop2h 55m

Sydney Kingsford Smith

Mon 10/11

06:20-08:20

Nonstop3h 00m

£224

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 23/12

06:40-10:40

Nonstop3h 00m

Sydney Kingsford Smith

Tue 23/12

18:00-23:05

1 stop6h 05m

£224

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 8/11

11:45-20:05

1 stop7h 20m

Sydney Kingsford Smith

Mon 10/11

14:10-16:15

Nonstop3h 05m

£239

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Cairns to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sydney?

In general, March is the cheapest month to fly from Cairns to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £104. If you don’t want to visit Sydney in March, then you should wait until June to fly from Cairns, when ticket prices are also cheap, with an average price of £111.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart on your flight to Sydney is on a Friday when prices can be found for as low as £104. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday is the most expensive day to depart from Cairns because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £196.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Cairns to Sydney in the afternoon for as low as £104. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Sydney, so prices are often more expensive at around £181 per ticket.

What is the cheapest Cairns to Sydney Kingsford Smith flight route?

Fly from Cairns to Sydney Kingsford Smith for the best Cairns - Sydney Kingsford Smith flight prices

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Cairns when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around £144 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Cairns for as low as £108 on momondo.

What cabin class options are available on Cairns to Sydney Kingsford Smith flights?

There are 3 cabin classes available to choose from on Cairns to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Cairns to Sydney flight prices changed over time?

As of September 2025, prices for Cairns to Sydney flights are approximately 18% cheaper when compared to flights at the same time last year.

When to book flights from Cairns to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Cairns to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Cairns to Sydney (CNS to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cairns to Sydney

Best price found

£84

Fastest flight time

2h 55m

Direct flights

Every day

Airports in Sydney

1 airport
The best one-way flight to Sydney from Cairns in the past 72 hours is £84. The best return flight deal from Cairns to Sydney found on momondo in the last 72 hours is £104.
The fastest flight from Cairns to Sydney takes 2h 55m
Direct flights go from Cairns to Sydney every day.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
Search flight deals

  • How far is Cairns to Sydney Kingsford Smith by plane?

    Cairns and Sydney Kingsford Smith are 1218.2 mi apart from one another. 2h 55m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Cairns Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Cairns Airport to Sydney Kingsford Smith Airport are updated daily.

  • How old do you have to be to fly from Cairns Airport to Sydney Kingsford Smith Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cairns Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Cairns to Sydney?

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Wollongong
Coogee
Manly
Randwick
Penrith
Cronulla
Leura
Katoomba
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Cairns to Sydney?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Cairns.

Can I find flights from Cairns to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from Cairns which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Cairns to Sydney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Cairns.

I’m not ready to book a flight from Cairns to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Cairns to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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