$538 Cheap Flights from Phoenix (PHX) to Sydney (SYD)

View $538 flight on Tue, Sep 9, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Sydney Airport (SYD)

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Cheap Flights from Phoenix to Sydney (PHX-SYD)

Prices were available within the past 7 days and start at $538 for one-way flights and $1,083 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Mon, Sep 8 - Fri, Sep 12
PHX
Phoenix
SYD
Sydney
$1,083 Roundtrip, found 3 days ago
$1,083
Roundtrip
found 3 days ago
Select All Nippon Airways flight, departing Mon, Sep 8 from Phoenix to Sydney, returning Fri, Sep 12, priced at $1,083 found 3 days ago
All Nippon Airways
Tue, Sep 9 - Thu, Sep 25
PHX
Phoenix
SYD
Sydney
$1,086 Roundtrip, found 1 hour ago
$1,086
Roundtrip
found 1 hour ago
Select All Nippon Airways flight, departing Tue, Sep 9 from Phoenix to Sydney, returning Thu, Sep 25, priced at $1,086 found 1 hour ago
All Nippon Airways
Mon, Sep 8 - Fri, Sep 12
PHX
Phoenix
SYD
Sydney
$1,095 Roundtrip, found 3 days ago
$1,095
Roundtrip
found 3 days ago
Select All Nippon Airways flight, departing Mon, Sep 8 from Phoenix to Sydney, returning Fri, Sep 12, priced at $1,095 found 3 days ago
All Nippon Airways
Mon, Sep 8 - Fri, Sep 12
PHX
Phoenix
SYD
Sydney
$1,096 Roundtrip, found 3 days ago
$1,096
Roundtrip
found 3 days ago
Select All Nippon Airways flight, departing Mon, Sep 8 from Phoenix to Sydney, returning Fri, Sep 12, priced at $1,096 found 3 days ago
Air New Zealand
Tue, Nov 4 - Wed, Nov 19
PHX
Phoenix
SYD
Sydney
$1,107 Roundtrip, found 1 hour ago
$1,107
Roundtrip
found 1 hour ago
Select Air New Zealand flight, departing Tue, Nov 4 from Phoenix to Sydney, returning Wed, Nov 19, priced at $1,107 found 1 hour ago
Alaska Airlines
Fri, Aug 29 - Fri, Sep 5
PHX
Phoenix
SYD
Sydney
$1,178 Roundtrip, found 4 days ago
$1,178
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Aug 29 from Phoenix to Sydney, returning Fri, Sep 5, priced at $1,178 found 4 days ago
Hawaiian Airlines
Mon, Aug 11 - Tue, Aug 19
PHX
Phoenix
SYD
Sydney
$1,179 Roundtrip, found 1 day ago
$1,179
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, Aug 11 from Phoenix to Sydney, returning Tue, Aug 19, priced at $1,179 found 1 day ago
Air Canada
Sun, Mar 8 - Sun, Mar 22
PHX
Phoenix
SYD
Sydney
$1,272 Roundtrip, found 3 hours ago
$1,272
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Sun, Mar 8 from Phoenix to Sydney, returning Sun, Mar 22, priced at $1,272 found 3 hours ago
All Nippon Airways
Mon, Mar 2 - Mon, Mar 9
PHX
Phoenix
SYD
Sydney
$1,284 Roundtrip, found 3 days ago
$1,284
Roundtrip
found 3 days ago
Select All Nippon Airways flight, departing Mon, Mar 2 from Phoenix to Sydney, returning Mon, Mar 9, priced at $1,284 found 3 days ago
China Eastern Airlines
Tue, Sep 2 - Fri, Sep 5
PHX
Phoenix
SYD
Sydney
$1,371 Roundtrip, found 4 days ago
$1,371
Roundtrip
found 4 days ago
Select China Eastern Airlines flight, departing Tue, Sep 2 from Phoenix to Sydney, returning Fri, Sep 5, priced at $1,371 found 4 days ago

Find the cheapest month to fly from Phoenix (PHX) to Sydney (SYD)

May is typically the cheapest month to fly

From $859 - $1,561 per traveler.

Graph displaying average flight prices per month

Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $1,342
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city center16 min
Flights from $1,342
Flights from Phoenix (PHX) to Sydney (SYD)
Origin airport
Sky Harbor Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air New Zealand, Air Tahiti Nui, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Delta, Hawaiian Airlines, Japan Airlines, Korean Air, Qantas Airways, United
Roundtrip price
$1,083
Distance
7803 mi

Phoenix to Sydney Flights

The cheapest times to fly from Phoenix to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Sydney are during the month of September. You can find some of the cheapest flights from Phoenix to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Sydney

Sunday is one of the best days to book for cheap flights from Phoenix to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $538 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Kingsford Smith Intl. Airport (SYD) cost?
Discover the latest flight deals from PHX to SYD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PHX to SYD?
The cheapest flights from PHX to SYD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PHX to SYD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PHX to SYD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Kingsford Smith Intl. Airport (SYD)?
Direct flights from Sky Harbor Intl. Airport (PHX) to Kingsford Smith Intl. Airport (SYD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHX to SYD?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Kingsford Smith Intl. Airport (SYD)?
Book a flight from Sky Harbor Intl. Airport (PHX) to Kingsford Smith Intl. Airport (SYD) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Kingsford Smith Intl. Airport (SYD) last-minute?
Booking your plane ticket from PHX to SYD right before your getaway is generally more expensive. However, if you're flexible with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a PHX to SYD flight and hotel package?
Securing a PHX to SYD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Kingsford Smith Intl. Airport (SYD)?
If you reserved your PHX to SYD flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.