How far ahead should I book a flight from Sydney to Perth with Qantas Airways?

Booking with Qantas Airways 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Perth. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, the most affordable month to book a Qantas Airways flight from Sydney to Perth in February, with an average price of $872. Conversely, traveling with Qantas Airways from Sydney to Perth in June will be the most expensive, with an average cost of $1,143. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Qantas Airways flight availability from Sydney to Perth

The most Qantas Airways flights from SYD to PER are scheduled on a Thursday (8 on average). You will have fewer Qantas Airways flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

In terms of precipitation, rainfall in Perth ranges from 0.0 - 170.0 inches per month. June is typically the wettest month, when rainfall can reach 170.0 mm. January is typically the driest time to visit Perth when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Perth, 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 24.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 12.0 C).

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Qantas Airways flights from Sydney to Perth in 2026

Popular in	December
Cheapest in	May
Average price (all airlines)	$617

Highest demand for flights from Sydney Kingsford Smith to Perth; 5% potential price increase.

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The best time to book a flight to Perth with Qantas Airways is 51 days before departure. On average, fares are higher if you book 36 days before departure.

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

For Economy class flights, the cheapest month to fly this route is February. The most expensive months are June and January.

Best time to book a flight from Sydney to Perth

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

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Qantas Airways flights from Sydney to Perth in 2026

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Average price (all airlines)

When is the best time to book a flight to Perth with Qantas Airways?

The best time to book a flight to Perth with Qantas Airways is 51 days before departure. On average, fares are higher if you book 36 days before departure.

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

For Economy class flights, the cheapest month to fly this route is February. The most expensive months are June and January.

Weekly Qantas Airways flight availability from Sydney to Perth

The most Qantas Airways flights from SYD to PER are scheduled on a Thursday (8 on average). You will have fewer Qantas Airways flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Perth by month

In terms of precipitation, rainfall in Perth ranges from 0.0 - 170.0 inches per month. June is typically the wettest month, when rainfall can reach 170.0 mm. January is typically the driest time to visit Perth when rainfall is around 0.0 mm.

Temperature in Perth by month

Best time to book a flight from Sydney to Perth

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

Browse thousands of different options on Cheapflights for your next trip

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Fly from Sydney to Perth on another airline

Consider alternative airlines that serve the Perth area. Flight routes are based on user searches made on Cheapflights and were last updated on 22 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 22 August 2026.

Complete your trip

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

Other airlines serving Sydney and Perth

Choose from other airlines serving Sydney and Perth.

Other popular destinations in South Pacific

If Perth 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 22 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 22 August 2026.

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Qantas Airways flights from Sydney to Perth (SYD - PER)

Qantas Airways flights from Sydney to Perth in 2026

Popular in

Cheapest in

Average price (all airlines)

When is the best time to book a flight to Perth with Qantas Airways?

The best time to book a flight to Perth with Qantas Airways is 51 days before departure. On average, fares are higher if you book 36 days before departure.

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

For Economy class flights, the cheapest month to fly this route is February. The most expensive months are June and January.

Weekly Qantas Airways flight availability from Sydney to Perth

The most Qantas Airways flights from SYD to PER are scheduled on a Thursday (8 on average). You will have fewer Qantas Airways flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Perth by month

In terms of precipitation, rainfall in Perth ranges from 0.0 - 170.0 inches per month. June is typically the wettest month, when rainfall can reach 170.0 mm. January is typically the driest time to visit Perth when rainfall is around 0.0 mm.

Temperature in Perth by month

Best time to book a flight from Sydney to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth 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 Perth on another airline

Consider alternative airlines that serve the Perth area. Flight routes are based on user searches made on Cheapflights and were last updated on 22 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 22 August 2026.

Complete your trip

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

Other airlines serving Sydney and Perth

Choose from other airlines serving Sydney and Perth.

Other popular destinations in South Pacific

If Perth 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 22 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 22 August 2026.

See what others are saying about Qantas Airways

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