What is the cheapest month to book a flight from Sydney to Adelaide with Qantas Airways?

Currently, the most affordable month to book a Qantas Airways flight from Sydney to Adelaide in May, with an average price of $286. Conversely, traveling with Qantas Airways from Sydney to Adelaide in April will be the most expensive, with an average cost of $607. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Qantas Airways flight availability from Sydney to Adelaide

The most Qantas Airways flights from SYD to ADL are scheduled on a Monday (8 on average). You will have fewer Qantas Airways flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

In terms of precipitation, rainfall in Adelaide ranges from 10.0 - 60.0 inches per month. July is typically the wettest month, when rainfall can reach 60.0 mm. January is typically the driest time to visit Adelaide when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Adelaide, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 11.0 C).

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Qantas Airways flights from Sydney to Adelaide in 2026

Popular in	December
Cheapest in	January
Average price (all airlines)	$311

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For Economy class flights, the cheapest month to fly this route is May. The most expensive months are April and August.

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Qantas Airways flights from Sydney to Adelaide in 2026

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Average price (all airlines)

Which month is the cheapest to fly Economy class from Sydney to Adelaide?

For Economy class flights, the cheapest month to fly this route is May. The most expensive months are April and August.

Weekly Qantas Airways flight availability from Sydney to Adelaide

The most Qantas Airways flights from SYD to ADL are scheduled on a Monday (8 on average). You will have fewer Qantas Airways flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Adelaide by month

In terms of precipitation, rainfall in Adelaide ranges from 10.0 - 60.0 inches per month. July is typically the wettest month, when rainfall can reach 60.0 mm. January is typically the driest time to visit Adelaide when rainfall is around 10.0 mm.

Temperature in Adelaide by month

Best time to book a flight from Sydney to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Sydney with our price prediction graph.

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Qantas Airways flights from Sydney to Adelaide (SYD - ADL)

Qantas Airways flights from Sydney to Adelaide in 2026

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Cheapest in

Average price (all airlines)

Which month is the cheapest to fly Economy class from Sydney to Adelaide?

For Economy class flights, the cheapest month to fly this route is May. The most expensive months are April and August.

Weekly Qantas Airways flight availability from Sydney to Adelaide

The most Qantas Airways flights from SYD to ADL are scheduled on a Monday (8 on average). You will have fewer Qantas Airways flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Adelaide by month

In terms of precipitation, rainfall in Adelaide ranges from 10.0 - 60.0 inches per month. July is typically the wettest month, when rainfall can reach 60.0 mm. January is typically the driest time to visit Adelaide when rainfall is around 10.0 mm.

Temperature in Adelaide by month

Best time to book a flight from Sydney to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Sydney with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Sydney to Adelaide on another airline

Consider alternative airlines that serve the Adelaide area. Flight routes are based on user searches made on Cheapflights and were last updated on 19 August 2026.

Other Qantas Airways flights from Sydney

Browse through other Qantas Airways flights departing from Sydney. Flight routes are based on user searches made on Cheapflights and were last updated on 19 August 2026.

Complete your trip

Complete your trip to Adelaide by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines serving Sydney and Adelaide

Choose from other airlines serving Sydney and Adelaide.

Other popular destinations in South Pacific

If Adelaide is not for you, choose from these other destinations located in South Pacific. Flight routes are based on user searches made on Cheapflights and were last updated on 19 August 2026.

Popular flights with Qantas Airways

Browse through some of the most popular routes that Qantas Airways offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 19 August 2026.

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