Cheapest airlines flights from Cairns to Sydney

You can choose from 3 airlines that fly from Cairns to Sydney, including Jetstar Airways, Virgin Australia, and Qantas Airways. Jetstar Airways has lowest fares on this route.
Jetstar Airways logo Jetstar Airways
Virgin Australia logo Virgin Australia
Qantas Airways logo Qantas Airways
Airlines are determined based on actual purchased flight tickets from Cairns to Sydney according to previous 12 months data from Trip.com.

Search for direct flights from Cairns to Sydney in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$75, and round-trip direct flights start at US$166.

Displayed flight fares from Cairns to Sydney are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Cairns to Sydney Flight Details

The distance between Cairns and Sydney is about 1,972.04 km. The average flying time from Cairns to Sydney is around 2 hours 55 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is October.

Cheapest one-way flight priceUS$75
Cheapest return ticket priceUS$166
Cheapest monthOctober
Peak season for travelJuly
Flight distance1,972.04 km
Average flight time2 hours 55 minutes
Popular airlineJetstar Airways
Flight statistics for the Cairns–Sydney route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Cairns to Sydney

Which month has the cheapest one-way flights from Cairns to Sydney?

Average monthly one-way flight prices from Cairns to Sydney, based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Cairns to Sydney is September, with an average price of US$88; while the month with the highest flight price is usually November, with an average price of up to US$119.

US$119
US$104
US$88
US$73
    Cheapest
  • US$92
    Jun
  • US$114
    Jul
  • US$105
    Aug
  • US$88
    Sep
  • US$102
    Oct
  • US$119
    Nov
  • US$96
    Dec
  • US$93
    Jan
  • US$112
    Feb
  • US$101
    Mar
  • US$107
    Apr
  • US$107
    May

Which month has the cheapest round-trip flights from Cairns to Sydney?

The average price of round-trip flights from Cairns to Sydney purchased by Trip.com users by month over the past 12 months.

Based on data from Trip.com, the lowest prices for round-trip flights from Cairns to Sydney are found during June, with an average price of US$213. Conversely, the highest prices are found during May, with an average price of up to US$402.

US$402
US$308
US$213
US$119
  • US$213
    Jun
  • US$259
    Jul
  • US$225
    Aug
  • US$228
    Sep
  • US$240
    Oct
  • US$269
    Nov
  • US$356
    Dec
  • US$232
    Jan
  • US$298
    Feb
  • US$282
    Mar
  • US$258
    Apr
  • US$402
    May

Frequently Asked Questions

  • What are the cheapest flights from Cairns to Sydney (CNS-SYD)?

    Based on Trip.com data, Jetstar Airways offers one-way fares as low as US$75 on Cheapest nonstop routes (e.g. CNS to SYD on Mon, Jul 6), while Jetstar Airways offers Cheapest nonstop round-trips from US$166 departing on Thu, Jul 23 and returning on Wed, Jul 29.
  • At the moment, you can catch a nonstop flight from Cairns to Sydney with the following airlines, including: Jetstar Airways Virgin Australia Qantas Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 2 hours 55 minutes to fly from Cairns to Sydney.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Cairns to Sydney is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 22 flight per week flying from Cairns to Sydney. You can check the weekly schedule for popular airlines on this route below: Virgin Australia: S/-/-/W/T/-/- -- VA1428 (19:13)
  • To find best deals on flights from Cairns to Sydney, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Jul 6, with one-way flights priced at just US$75.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jetstar Airways.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Sydney travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Cairns to Sydney is October, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Cairns to Sydney on June 26, 2026 with Jetstar Airways, with prices starting at US$69.
  • You can land at any one of the following hubs in Sydney, with Cairns Airport to Sydney Airport (CNS-SYD) is by far the most common option on this route: Sydney Airport (SYD) Western Sydney International Airport (WSI).
  • The time difference between Sydney and Cairns is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com Airline Insights on Flights from Cairns to Sydney

Which airline offers the cheapest direct flights from Cairns to Sydney?

Data is based on the average price of all nonstop flights from Cairns to Sydney on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Jetstar Airways provides the lowest-priced direct flights from Cairns to Sydney, with fares starting at US$143.

US$116
US$143
US$171
US$199
US$226
Jetstar Airways
US$143
Jetstar Airways
Virgin Australia
US$165
Virgin Australia
Qantas Airways
US$226
Qantas Airways

Which airline operates the most flights from Cairns to Sydney?

Total flights from Cairns to Sydney across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, Qantas Airways operates the most frequent flights from Cairns to Sydney, with 31 flights per week.

9
16
24
31
Qantas Airways
31
Qantas Airways
Jetstar Airways
22
Jetstar Airways
IndiGo
22
IndiGo
Singapore Airlines
17
Singapore Airlines
Virgin Australia
17
Virgin Australia
China Southern Airlines
16
China Southern Airlines

How many flights fly from Cairns to Sydney daily?

The data is based on the flight numbers for each day of the week from Cairns to Sydney within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Cairns to Sydney is the highest on Friday and the lowest on Tuesday.

156
130
104
78
Highest
137
Mon
104
Tue
112
Wed
123
Thu
156
Fri
155
Sat
153
Sun

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.