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Cheap Flights from Sydney to Adelaide

Popular airlines from Sydney to Adelaide

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

Explore the cheapest flights from Sydney to Adelaide in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at S$ 105, and round-trip direct tickets start at S$ 204.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Sydney to Adelaide

The distance between Sydney and Adelaide is approximately 1,157.09km. It takes around 2 hours 7 minutes on average to fly from Sydney to Adelaide. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight priceS$ 105
Cheapest return ticket priceS$ 204
Off-season for travelOctober
Peak season for travelJanuary
Flight distance1,157.09km
Average flight time2 hours 7 minutes
Popular airlineJetstar Airways
Flight statistics for the Sydney–Adelaide route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Sydney to Adelaide.

What is the cheapest month for one-way flights from Sydney to Adelaide?

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

Based on Trip.com’s data, the cheapest month for flights from Sydney to Adelaide is May, with an average price of S$ 102, and the most expensive month is October, with an average price of up to S$ 134.

S$ 134
S$ 118
S$ 102
S$ 86
    Cheapest
  • S$ 114
    Mar
  • S$ 105
    Apr
  • S$ 102
    May
  • S$ 115
    Jun
  • S$ 111
    Jul
  • S$ 105
    Aug
  • S$ 110
    Sep
  • S$ 134
    Oct
  • S$ 118
    Nov
  • S$ 116
    Dec
  • S$ 106
    Jan
  • S$ 120
    Feb

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

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

Based on Trip.com’s data, the cheapest month for round-trip flights from Sydney to Adelaide is January, with an average price of S$ 272, and the most expensive month is October, with an average price of up to S$ 407.

S$ 407
S$ 340
S$ 272
S$ 205
    Cheapest
  • S$ 296
    Mar
  • S$ 374
    Apr
  • S$ 309
    May
  • S$ 354
    Jun
  • S$ 378
    Jul
  • S$ 290
    Aug
  • S$ 337
    Sep
  • S$ 407
    Oct
  • S$ 338
    Nov
  • S$ 406
    Dec
  • S$ 272
    Jan
  • S$ 354
    Feb

What is the cheapest day to fly from Sydney to Adelaide during Hari Raya Puasa?

Based on Trip.com's data over the past 3 days, these are the lowest one-way airfares from Sydney to Adelaide during Hari Raya Puasa.

During Hari Raya Puasa, flights from Sydney to Adelaide are cheapest on Mar 18, with the lowest fare of S$ 106.

S$ 139
S$ 123
S$ 106
S$ 90
  • S$ 121
    Mar 17
  • S$ 106
    Mar 18
  • S$ 117
    Mar 19
  • S$ 139
    Mar 20
  • S$ 112
    Mar 21
  • S$ 125
    Mar 22
  • S$ 115
    Mar 23

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Sydney (SYD) to Adelaide (ADL)?

    Based on Trip.com data, Jetstar Airways offers one-way fares as low as S$ 105 on Cheapest nonstop routes (e.g. SYD to ADL on Wed, Apr 29), while Jetstar Airways offers Cheapest nonstop round-trips from S$ 204 departing on Tue, Mar 24 and returning on Thu, Mar 26.
  • At the moment, you can catch a direct flight from Sydney to Adelaide with the following airlines, including: Jetstar Airways Qantas Airways Virgin Australia 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 7 minutes to fly from Sydney (SYD) to Adelaide (ADL).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sydney to Adelaide 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 132 flight per week flying from Sydney to Adelaide. You can check the weekly schedule for popular airlines on this route below: Qantas Airways: S/M/T/W/T/F/S -- QF733 (10:09)
  • To find best deals on flights from Sydney to Adelaide, 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 Wed, Apr 29, with one-way flights priced at just S$ 105.
    · 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 Adelaide travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Sydney to Adelaide is October, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Sydney to Adelaide on March 18, 2026 with Jetstar Airways, with prices starting at S$ 198.
  • You can land at any one of the following hubs in Adelaide, with Sydney Airport to Adelaide Airport (SYD-ADL) is by far the most common option on this route: Adelaide Airport (ADL).
  • The time difference between Adelaide and Sydney is 0h.
  • Tickets can only be changed or cancelled 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.