Question 1

What is the cheapest month to fly to Sydney?

Accepted Answer

The month of August is, on average, the cheapest month to fly to Sydney from Adelaide, with most prices found around $239. If you aren’t able to travel to Sydney during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $242.

Question 2

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

Accepted Answer

Our data shows that Saturday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $355. The most expensive day to fly to Sydney is Monday, with ticket prices averaging around $547.

Question 3

How many flights depart from Adelaide to Sydney on average per day?

Accepted Answer

As of January 2026, there are 100 flights per day flying from Adelaide to Sydney. The most common time of day flights depart is 06:00, with 51% of flights taking off at midday.

Question 4

How many flights depart from Adelaide to Sydney on average per week?

Accepted Answer

706 flights are operational weekly from Adelaide to Sydney as of January 2026. The most popular departure day for this route is Fri, with 16% of flights per week taking off on this day.

Question 5

Which airline has the best punctuality record on Adelaide to Sydney flights?

Accepted Answer

According to our data, Qantas Airways have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

Question 6

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

Accepted Answer

You are more likely to see cheaper flights to Sydney from Adelaide when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $274 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 Adelaide for as low as $235 on momondo.

Question 7

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

Accepted Answer

According to our data, the cheapest time of day to fly to Sydney is in the evening. momondo users have found flights departing from Adelaide to Sydney in the evening for as low as $305. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are $823 on average. Flights to Sydney from Adelaide at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 8

What is the cheapest airline that flies from Adelaide to Sydney Kingsford Smith?

Accepted Answer

Jetstar is the most popular carrier operating from Adelaide to Sydney Kingsford Smith

Question 9

Which airlines fly to Sydney?

Accepted Answer

Jetstar, Virgin Australia and Qantas Airways are the top three most popular airlines that fly to Sydney from Adelaide according to our data. Jetstar is the first choice among our users, with 73% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 3 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Question 10

How have Adelaide to Sydney flight prices changed over time?

Accepted Answer

As of January 2026, prices for Adelaide to Sydney flights are approximately 8% more expensive when compared to flights at the same time last year.

Question 11

How often are flights from Adelaide to Sydney delayed?

Accepted Answer

Historically, on average around 17% of flights between Adelaide and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 87 minutes.

Question 12

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Question 13

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

Accepted Answer

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

Question 14

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

Accepted Answer

There are 4 cabin classes available to choose from on Adelaide 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.

Question 15

What is the most punctual flight time for Adelaide to Sydney flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Question 16

What is the best way to get in and out of airports in Adelaide and Sydney?

Accepted Answer

When you depart from Adelaide airport, you will depart from Adelaide International Airport. This airport has access to bus services, car hire services and taxis. Buses are a great form of transport to get to the airport in Adelaide. Bus route J1A departs from Stop W1 Currie St - Southside bus stop in the city centre and goes straight to the airport. At the airport, you will get off the bus at Stop 10 Adelaide Airport. This bus takes around 17min to reach the airport. Sydney Kingsford Smith Airport is the airport you will land at when you get into Sydney. This airport has access to taxi, bus and car hire services. A great way to get into the city centre is by bus. You can take Bus B 303 from bus stop General Homes Dr near Control Tower. You will then need to change at the Kensington bus stop and get on bus L3. From here you will go into the city centre of Sydney. You can also hire a car from one of the numerous car hire companies at Sydney Airport. Car hire companies can be found outside of Terminals 1 and 2. Hire car providers that you can book at Sydney Airport to include Thrifty, Avis, SIXT, Enterprise, Budget, Redspot, and Hertz.

Which cities can you get to from Syndey Airport?

The closest city to this airport is Sydney. Sydney, being the capital city in Australia, has many attractions and world-famous landmarks. One such landmark is the Sydney Opera House. If you want to travel around Australia and stay coastal, going to Wollongong, which is south of the airport, is a fun journey. This trip will take you around 1h by car. Another coastal city you could visit is Newcastle. This city is north of the airport and will take you around 2h to reach by car.

Question 17

Which airlines fly direct from Adelaide to Sydney?

Accepted Answer

There are direct flights from Adelaide to Sydney. Adelaide to Sydney flights that are direct can be taken with Jetstar, Virgin Australia, and Qantas Airways. There are also indirect flights from Adelaide to Sydney. These flight routes are provided by Jetstar, Rex, Virgin Australia, and Qantas Airways. Some of the cities you may stopover in include Melbourne or Brisbane. When you depart from Adelaide, you will catch flights from Adelaide International Airport (ADL). Sydney Kingsford Smith Airport (SYD) is your arrival airport in Sydney. You should take the direct flights as they are the fastest and are, more often, the cheaper flights. Multi-way and one way flights from Adelaide to Sydney can be found easily due to various daily flights.

Question 18

What are the benefits of the different airports in Adelaide and Sydney?

Accepted Answer

Adelaide International Airport has many facilities and services that you can use while waiting for your flight. Adelaide Airport is the main airport in the area and the fifth largest in Australia. The airport consists of one passenger terminal that serves both international and domestic flights. Some of the amenities and services at this airport include currency exchange offices, cash machines, prayer rooms, smoking areas, family rooms, a pharmacy, cafés, bars, restaurants, a duty-free shop, business lounges and an onsite hotel. Sydney Kingsford Smith Airport also has a wide variety of facilities. This airport is the most used in Australia, handling over 40 million passengers every year. The Sydney Airport has three main passenger terminals, with terminals 2 and 3 being domestic. Some of the amenities you will find at this airport are currency exchange shops, an onsite hotel, restaurants, bars, duty-free shops, cafes, business lounges, and convenience shops.

Question 19

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

Accepted Answer

Prices for flights from Adelaide Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

Question 20

How many operators does momondo search for flights from Adelaide Airport to Sydney Kingsford Smith Airport?

Accepted Answer

There are 3 operators available for flights from Adelaide Airport to Sydney Kingsford Smith Airport as of January 2026.

Question 21

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

Accepted Answer

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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Adelaide Airport to Sydney Kingsford Smith Airport.

Question 22

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

Accepted Answer

The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best price found	$166
Fastest flight time	1h 50m
Direct flights	Every day
Airports in Sydney	1 airport

Airline	Rating	Free cancellation	Price
Jetstar	PriceFrom $174	Free cancellation	Rating 6.5 502 reviews	Search Jetstar flights
Virgin Australia	PriceFrom $177	Free cancellation	Rating 7.6 430 reviews	Search Virgin Australia flights
Qantas Airways	PriceFrom $254	Free cancellation	Rating 7.5 969 reviews	Search Qantas Airways flights

Cheap flights from Adelaide to Sydney from $115

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Adelaide to Sydney departing on 17/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Adelaide to Sydney

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Jetstar flights from Adelaide to Sydney

Our best Jetstar deals on Adelaide to Sydney flight tickets

Virgin Australia flights from Adelaide to Sydney

Our best Virgin Australia deals on Adelaide to Sydney flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Adelaide to Sydney that are best for you.

See travel insights to Sydney from

How to get the cheapest flight ticket from Adelaide to Sydney

What is the cheapest month to fly to Sydney?

The month of August is, on average, the cheapest month to fly to Sydney from Adelaide, with most prices found around $239. If you aren’t able to travel to Sydney during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $242.

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

Our data shows that Saturday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $355. The most expensive day to fly to Sydney is Monday, with ticket prices averaging around $547.

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

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

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

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

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

There are 4 cabin classes available to choose from on Adelaide 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 Adelaide to Sydney flight prices changed over time?

As of January 2026, prices for Adelaide to Sydney flights are approximately 8% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Adelaide to Sydney Kingsford Smith?

Jetstar is the most popular carrier operating from Adelaide to Sydney Kingsford Smith

Which airlines fly to Sydney?

How often are flights from Adelaide to Sydney delayed?

Historically, on average around 17% of flights between Adelaide and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 87 minutes.

What is the most punctual flight time for Adelaide to Sydney flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Adelaide to Sydney flights?

According to our data, Qantas Airways have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

How many flights depart from Adelaide to Sydney on average per day?

As of January 2026, there are 100 flights per day flying from Adelaide to Sydney. The most common time of day flights depart is 06:00, with 51% of flights taking off at midday.

How many flights depart from Adelaide to Sydney on average per week?

706 flights are operational weekly from Adelaide to Sydney as of January 2026. The most popular departure day for this route is Fri, with 16% of flights per week taking off on this day.

When to book flights from Adelaide to Sydney

Cheap Adelaide to Sydney (ADL to SYD) flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Sydney

How far is Adelaide to Sydney Kingsford Smith by plane?

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

How many operators does momondo search for flights from Adelaide Airport to Sydney Kingsford Smith Airport?

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

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

What is the most popular plane model from Adelaide to Sydney?

What is the most popular airline from Adelaide to Sydney?

Best airlines flying from Adelaide to Sydney

Compare and see reviews for airlines that fly from Adelaide to Sydney with momondo

Virgin Australia Flights From Adelaide to Sydney

Qantas Airways Flights From Adelaide to Sydney

Travelling to a place near Sydney?

Why use momondo?

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

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

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

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

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing New South Wales