$843 Cheap Flights from Denver (DEN) to Perth (PER)

View $843 flight on Sat, Aug 1, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Perth Airport (PER)

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Cheap Flights from Denver to Perth (DEN-PER)

Prices were available within the past 7 days and start at $843 for one-way flights and $1,394 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Aug 10 - Thu, Aug 20
DEN
Denver
PER
Perth
$1,394 Roundtrip, found 5 days ago
$1,394
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Aug 10 from Denver to Perth, returning Thu, Aug 20, priced at $1,394 found 5 days ago
American Airlines
Mon, Aug 10 - Thu, Aug 20
DEN
Denver
PER
Perth
$1,469 Roundtrip, found 5 days ago
$1,469
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Aug 10 from Denver to Perth, returning Thu, Aug 20, priced at $1,469 found 5 days ago
American Airlines
Mon, Aug 10 - Thu, Aug 20
DEN
Denver
PER
Perth
$1,569 Roundtrip, found 5 days ago
$1,569
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Aug 10 from Denver to Perth, returning Thu, Aug 20, priced at $1,569 found 5 days ago
Qantas Airways
Fri, Feb 13 - Sun, Mar 1
DEN
Denver
PER
Perth
$1,570 Roundtrip, found 17 hours ago
$1,570
Roundtrip
found 17 hours ago
Select Qantas Airways flight, departing Fri, Feb 13 from Denver to Perth, returning Sun, Mar 1, priced at $1,570 found 17 hours ago
Singapore Airlines
Thu, May 7 - Mon, May 18
DEN
Denver
PER
Perth
$1,585 Roundtrip, found 4 hours ago
$1,585
Roundtrip
found 4 hours ago
Select Singapore Airlines flight, departing Thu, May 7 from Denver to Perth, returning Mon, May 18, priced at $1,585 found 4 hours ago
American Airlines
Sat, Aug 1 - Sun, Aug 16
DEN
Denver
PER
Perth
$1,596 Roundtrip, found 3 days ago
$1,596
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Aug 1 from Denver to Perth, returning Sun, Aug 16, priced at $1,596 found 3 days ago
American Airlines
Mon, Aug 10 - Thu, Aug 20
DEN
Denver
PER
Perth
$1,622 Roundtrip, found 5 days ago
$1,622
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Aug 10 from Denver to Perth, returning Thu, Aug 20, priced at $1,622 found 5 days ago
Singapore Airlines
Thu, May 7 - Mon, May 18
DEN
Denver
PER
Perth
$1,636 Roundtrip, found 4 hours ago
$1,636
Roundtrip
found 4 hours ago
Select Singapore Airlines flight, departing Thu, May 7 from Denver to Perth, returning Mon, May 18, priced at $1,636 found 4 hours ago
Air Canada
Sat, May 16 - Sun, May 24
DEN
Denver
PER
Perth
$1,679 Roundtrip, found 2 days ago
$1,679
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sat, May 16 from Denver to Perth, returning Sun, May 24, priced at $1,679 found 2 days ago
Qatar Airways
Tue, Mar 3 - Tue, Mar 17
DEN
Denver
PER
Perth
$1,834 Roundtrip, found 22 hours ago
$1,834
Roundtrip
found 22 hours ago
Select Qatar Airways flight, departing Tue, Mar 3 from Denver to Perth, returning Tue, Mar 17, priced at $1,834 found 22 hours ago

Alternative airports near Perth

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

Select flight to Perth Airport PER. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $2,107
PER
Perth Airport
CheapestClosest
Average driving time to city center14 min
Flights from $2,107

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Perth Airport (PER) cost?
Lock in a cheap one-way flight from $843 or cheap return flight from $1,394 from Denver Intl. Airport (DEN) to Perth Airport (PER) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Perth Airport (PER)?
Planning your getaway for August can help you save, as it's the cheapest month for flights between DEN and PER. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Perth Airport (PER)?
To find the cheapest airline that'll fly you from DEN to PER, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Denver Intl. Airport (DEN) to Perth Airport (PER)?
There are no daily direct flights from Denver Intl. Airport (DEN) to Perth Airport (PER). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from DEN to PER?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Denver Intl. Airport (DEN) to Perth Airport (PER)?
Choose a flight from Denver Intl. Airport (DEN) to Perth Airport (PER) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this 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 Denver Intl. Airport (DEN) to Perth Airport (PER) last-minute?
Last-minute bookings from DEN to PER are generally more expensive. To lock in the lowest prices, start looking for flights early. That said, if your travel plans are flexible, you may find a cheap ticket just before your departure.
Is it cheaper to book a DEN to PER flight and hotel package?
You'll generally save money by booking a DEN to PER flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your preferred flights and accommodations, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Perth Airport (PER)?
If you reserved your DEN to PER flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Denver Intl.
Destination airport
Perth
Airlines serving
Air Canada, Air New Zealand, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Lufthansa, Qantas Airways, Qatar Airways, Singapore Airlines, United
Roundtrip price
$1,393
Distance
10118 mi

Book with confidence

Denver to Perth Flights

The cheapest times to fly from Denver to Perth

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 Denver to Perth are during the month of August. You can find some of the cheapest flights from Denver to Perth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Perth

Sunday is one of the best days to book for cheap flights from Denver to Perth: 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 Denver to Perth

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 Denver to Perth in 2026. You can also book with separate airlines for your outbound and return journeys, from $843 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 Denver to Perth 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 Denver to Perth 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.

 

Denver to Perth Flights

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*Available to One Key members.