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Cheap flights from Cairns to Sydney from £47

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 5/9. 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
06:45 - 09:45CNS-SYD
3h 00mdirect
Jetstar Logo
19:45 - 22:50SYD-CNS
3h 05mdirect
£93Jetstar
Find Deal
Thu, 11 Sep - Sun, 14 Sep
Jetstar Logo
19:00 - 21:55CNS-SYD
2h 55mdirect
Jetstar Logo
06:10 - 09:15SYD-CNS
3h 05mdirect
£94Jetstar
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Jetstar Logo
19:00 - 21:55CNS-SYD
2h 55mdirect
Jetstar Logo
19:45 - 22:50SYD-CNS
3h 05mdirect
£95Jetstar
Find Deal
Thu, 4 Sep - Fri, 5 Sep
Jetstar Logo
06:45 - 09:45CNS-SYD
3h 00mdirect
Jetstar Logo
06:10 - 09:15SYD-CNS
3h 05mdirect
£106Jetstar
Find Deal
Thu, 21 Aug - Mon, 25 Aug
Jetstar Logo
06:45 - 10:45CNS-SYD
3h 00mdirect
Jetstar Logo
06:10 - 08:15SYD-CNS
3h 05mdirect
£109Jetstar
Find Deal
Wed, 22 Oct - Thu, 23 Oct
Virgin Australia Logo
19:15 - 22:10CNS-SYD
2h 55mdirect
Virgin Australia Logo
06:30 - 11:10SYD-CNS
4h 40m1 stop
£162Virgin Australia
Find Deal
Sun, 28 Sep - Thu, 2 Oct
Virgin Australia Logo
06:00 - 11:40CNS-SYD
5h 40m1 stop
Virgin Australia Logo
19:00 - 23:35SYD-CNS
4h 35m1 stop
£199Virgin Australia
Find Deal
Sun, 14 Sep - Thu, 18 Sep
Logo
21:30 - 11:50CNS-SYD
14h 20m2 stops
Logo
20:45 - 09:10SYD-CNS
12h 25m1 stop
£313
Find Deal
Thu, 4 Sep - Fri, 5 Sep
Qantas Airways Logo
13:40 - 16:35CNS-SYD
2h 55mdirect
Qantas Airways Logo
10:05 - 20:55SYD-CNS
10h 50m1 stop
£639Qantas Airways
Find Deal
Thu, 4 Sep - Sun, 7 Sep
Qantas Airways Logo
06:00 - 13:00CNS-SYD
7h 00m1 stop
Qantas Airways Logo
12:05 - 20:55SYD-CNS
8h 50m1 stop
£672Qantas Airways
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Thu, 4 Sep - Sun, 7 Sep

Jetstar flights from Cairns to Sydney

Our best Jetstar deals on Cairns to Sydney flight tickets
Jetstar
11 Sept
CNS06:45Cairns
3h 00m
SYD09:45Sydney Kingsford Smith
14 Sept
SYD19:45Sydney Kingsford Smith
3h 05m
CNS22:50Cairns
£93
Find similar
Jetstar
13 Sept
CNS19:00Cairns
2h 55m
SYD21:55Sydney Kingsford Smith
20 Sept
SYD06:10Sydney Kingsford Smith
3h 05m
CNS09:15Cairns
£94
Find similar
Jetstar
4 Sept
CNS19:00Cairns
2h 55m
SYD21:55Sydney Kingsford Smith
5 Sept
SYD19:45Sydney Kingsford Smith
3h 05m
CNS22:50Cairns
£95
Find similar

Virgin Australia flights from Cairns to Sydney

Our best Virgin Australia deals on Cairns to Sydney flight tickets
Virgin Australia
28 Sept
CNS19:15Cairns
2h 55m
SYD22:10Sydney Kingsford Smith
2 Oct
SYD06:30Sydney Kingsford Smith
4h 40m
1 stop
CNS11:10Cairns
£162
Find similar
Virgin Australia
7 Aug
CNS19:15Cairns
2h 55m
SYD22:10Sydney Kingsford Smith
11 Aug
SYD18:30Sydney Kingsford Smith
5h 05m
1 stop
CNS23:35Cairns
£173
Find similar
Virgin Australia
14 Sept
CNS06:00Cairns
5h 40m
1 stop
SYD11:40Sydney Kingsford Smith
18 Sept
SYD19:00Sydney Kingsford Smith
4h 35m
1 stop
CNS23:35Cairns
£199
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 1 August 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

Thu 11/9

06:45-09:45

Nonstop3h 00m

Sydney Kingsford Smith

Sun 14/9

19:45-22:50

Nonstop3h 05m

£93

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 13/9

19:00-21:55

Nonstop2h 55m

Sydney Kingsford Smith

Sat 20/9

06:10-09:15

Nonstop3h 05m

£94

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 4/9

19:00-21:55

Nonstop2h 55m

Sydney Kingsford Smith

Fri 5/9

19:45-22:50

Nonstop3h 05m

£95

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 21/8

06:45-09:45

Nonstop3h 00m

Sydney Kingsford Smith

Mon 25/8

06:10-09:15

Nonstop3h 05m

£106

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 22/10

06:45-10:45

Nonstop3h 00m

Sydney Kingsford Smith

Thu 23/10

06:10-08:15

Nonstop3h 05m

£109

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sun 28/9

19:15-22:10

Nonstop2h 55m

Sydney Kingsford Smith

Thu 2/10

06:30-11:10

1 stop4h 40m

£162

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sun 14/9

06:00-11:40

1 stop5h 40m

Sydney Kingsford Smith

Thu 18/9

19:00-23:35

1 stop4h 35m

£199

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 4/9

21:30-11:50

2 stops14h 20m

Sydney Kingsford Smith

Fri 5/9

20:45-09:10

1 stop12h 25m

£313

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 4/9

13:40-16:35

Nonstop2h 55m

Sydney Kingsford Smith

Sun 7/9

10:05-20:55

1 stop10h 50m

£639

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 4/9

06:00-13:00

1 stop7h 00m

Sydney Kingsford Smith

Sun 7/9

12:05-20:55

1 stop8h 50m

£672

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 £107. 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 £114.

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 £117. 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 £253.

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 morning. momondo users have found flights departing from Cairns to Sydney in the morning for as low as £120. 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 afternoon is when there is more demand to fly to Sydney, so prices are often more expensive at around £127 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 £146 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 £113 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 August 2025, prices for Cairns to Sydney flights are approximately 20% 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

£47

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 £47. The best return flight deal from Cairns to Sydney found on momondo in the last 72 hours is £93.
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
Randwick
Manly
Penrith
Cronulla
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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