Find cheap 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.

Book direct flights from Cairns to Sydney: One way flights from $75, round trip flights from $146. Find flight deals for the next 3 months below.

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.

Flight Info | Cairns to Sydney

The distance between Cairns and Sydney is approximately 1,972.04 km. It takes around 2 hours 57 minutes on average to fly from Cairns to Sydney. Based on Trip.com's data travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight price$75
Cheapest round-trip ticket price$146
Off-season for travelOctober
Peak season for travelJuly
Flight distance1,972.04 km
Average flight time2 hours 57 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?

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

Based on Trip.com’s data, the cheapest month for flights from Cairns to Sydney is March, with an average price of $80; while the month with the highest flight price is usually November, with an average price of up to $117.

$117
$99
$80
$62
  • $80
    Mar
  • $90
    Apr
  • $98
    May
  • $90
    Jun
  • $112
    Jul
  • $103
    Aug
  • $87
    Sep
  • $100
    Oct
  • $117
    Nov
  • $94
    Dec
  • $91
    Jan
  • $110
    Feb

What is the cheapest month for round-trip flights from Cairns to Sydney?

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

According to historical data from Trip.com, the lowest prices for flights from Cairns to Sydney are found during May, with an average price of $188. Conversely, the highest prices are found during December, with an average price of up to $350.

$350
$269
$188
$107
    Cheapest
  • $242
    Mar
  • $190
    Apr
  • $188
    May
  • $209
    Jun
  • $255
    Jul
  • $221
    Aug
  • $224
    Sep
  • $236
    Oct
  • $264
    Nov
  • $350
    Dec
  • $228
    Jan
  • $293
    Feb

What's the cheapest day to fly from Cairns to Sydney?

Data is based on the average flight price for each day of the week from Cairns to Sydney on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Cairns to Sydney is Wednesday, with average prices lower than on other days. Avoid Friday, as prices are usually highest then.

$158
$142
$126
$110
    Cheapest
  • $150
    Mon
  • $137
    Tue
  • $126
    Wed
  • $137
    Thu
  • $158
    Fri
  • $146
    Sat
  • $150
    Sun

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 $75 on Cheapest nonstop routes (e.g. CNS to SYD on Sat, Apr 4), while Jetstar Airways offers Cheapest nonstop round-trips from $146 departing on Sat, Mar 28 and returning on Mon, Mar 30.
  • 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 around 2 hours 57 minutes to fly from Cairns (CNS) to Sydney (SYD).
  • 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 69 flight per week flying from Cairns to Sydney. You can check the weekly schedule for popular airlines on this route below: Virgin Australia: S/M/T/W/T/F/S -- VA1422 (15:58)
  • 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 Sat, Apr 4, with one-way flights priced at just $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 March flight calendar, it's currently cheapest to fly from Cairns to Sydney on March 27, 2026 with Jetstar Airways, with prices starting at $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).
  • 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 airlines offer the cheapest nonstop flights from Cairns to Sydney?

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

Based on Trip.com data from the past 12 months, Jetstar Airways offers the cheapest nonstop flights from Cairns to Sydney, with an average price of $134.

$106
$134
$163
$191
$219
Jetstar Airways
$134
Jetstar Airways
Virgin Australia
$165
Virgin Australia
Qantas Airways
$219
Qantas Airways

Which airlines operate the most flights from Cairns to Sydney?

Data is based on the number of flights from Cairns to Sydney operated by each airline on Trip.com in the past month.

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

9
16
24
31
Qantas Airways
31
Qantas Airways
Hawaiian Airlines
26
Hawaiian Airlines
Jetstar Airways
22
Jetstar Airways
Singapore Airlines
16
Singapore Airlines
Virgin Australia
16
Virgin Australia
Qatar Airways
16
Qatar Airways

How many flights are there each day from Cairns to Sydney?

Data is based on the number of flights from Cairns to Sydney for each day of the week on Trip.com over the last month.

Based on Trip.com data from the past month, the most flights from Cairns to Sydney depart on Saturday, and the fewest flights depart on Tuesday/Wednesday.

154
128
102
76
Highest
125
Mon
102
Tue
102
Wed
114
Thu
137
Fri
154
Sat
136
Sun