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

View AU$1,239 flight on Thu, 13 Aug 2026Opens in a new window

Flight 1

Popular airlines from Denver International Airport (DEN) to Perth Airport (PER)

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 28 Sept - Mon, 12 Oct
DEN
Denver
PER
Perth
AU$2,539 Return, found 6 days ago
AU$2,539
Return
found 6 days ago
Select American Airlines flight, departing Mon, 28 Sept from Denver to Perth, returning Mon, 12 Oct, priced at AU$2,539 found 6 days ago
Air Canada
Sun, 23 Aug - Sun, 30 Aug
DEN
Denver
PER
Perth
AU$2,589 Return, found 5 days ago
AU$2,589
Return
found 5 days ago
Select Air Canada flight, departing Sun, 23 Aug from Denver to Perth, returning Sun, 30 Aug, priced at AU$2,589 found 5 days ago
Cathay Pacific
Mon, 28 Sept - Mon, 12 Oct
DEN
Denver
PER
Perth
AU$2,595 Return, found 6 days ago
AU$2,595
Return
found 6 days ago
Select Cathay Pacific flight, departing Mon, 28 Sept from Denver to Perth, returning Mon, 12 Oct, priced at AU$2,595 found 6 days ago
Cathay Pacific
Tue, 25 Aug - Wed, 9 Sept
DEN
Denver
PER
Perth
AU$2,595 Return, found 1 day ago
AU$2,595
Return
found 1 day ago
Select Cathay Pacific flight, departing Tue, 25 Aug from Denver to Perth, returning Wed, 9 Sept, priced at AU$2,595 found 1 day ago
Cathay Pacific
Sat, 29 Aug - Thu, 10 Sept
DEN
Denver
PER
Perth
AU$2,612 Return, found 1 day ago
AU$2,612
Return
found 1 day ago
Select Cathay Pacific flight, departing Sat, 29 Aug from Denver to Perth, returning Thu, 10 Sept, priced at AU$2,612 found 1 day ago
Cathay Pacific
Sun, 30 Aug - Thu, 10 Sept
DEN
Denver
PER
Perth
AU$2,648 Return, found 1 day ago
AU$2,648
Return
found 1 day ago
Select Cathay Pacific flight, departing Sun, 30 Aug from Denver to Perth, returning Thu, 10 Sept, priced at AU$2,648 found 1 day ago
Cathay Pacific
Sat, 29 Aug - Wed, 9 Sept
DEN
Denver
PER
Perth
AU$2,667 Return, found 1 day ago
AU$2,667
Return
found 1 day ago
Select Cathay Pacific flight, departing Sat, 29 Aug from Denver to Perth, returning Wed, 9 Sept, priced at AU$2,667 found 1 day ago
Cathay Pacific
Sun, 23 Aug - Sun, 30 Aug
DEN
Denver
PER
Perth
AU$2,670 Return, found 5 days ago
AU$2,670
Return
found 5 days ago
Select Cathay Pacific flight, departing Sun, 23 Aug from Denver to Perth, returning Sun, 30 Aug, priced at AU$2,670 found 5 days ago
Singapore Airlines
Wed, 23 Sept - Fri, 9 Oct
DEN
Denver
PER
Perth
AU$2,708 Return, found 6 days ago
AU$2,708
Return
found 6 days ago
Select Singapore Airlines flight, departing Wed, 23 Sept from Denver to Perth, returning Fri, 9 Oct, priced at AU$2,708 found 6 days ago
Qatar Airways
Mon, 28 Sept - Mon, 12 Oct
DEN
Denver
PER
Perth
AU$2,728 Return, found 6 days ago
AU$2,728
Return
found 6 days ago
Select Qatar Airways flight, departing Mon, 28 Sept from Denver to Perth, returning Mon, 12 Oct, priced at AU$2,728 found 6 days 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 centre is 14 minutes. Flights from AU$3,012
PER
Perth Airport
CheapestClosest
Average driving time to city centre14 min
Flights from AU$3,012

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER) cost?
You can find one-way and return flights from DEN to PER with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when DEN to PER ticket fares go up or down.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER)?
The cheapest months to fly from DEN to PER are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER)?
Enter DEN to PER and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER)?
Delta is one of the cheapest airlines offering connecting return flights from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER) with a layover in Los Angeles Intl. (LAX), with prices starting from around AU$2670 for flights that can be booked for departure within the next year. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER)?
There are approximately 26 connecting flights per day from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER). Some common connection points include Los Angeles Intl. (LAX), San Francisco Intl. (SFO), and Vancouver Intl. (YVR).
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from DEN to PER. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER)?
You'll generally find the most flights from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER) on a Saturday, with around 45 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, American Airlines, and Alaska Airlines. Flight schedules are fairly consistent throughout the week, with Saturday having only slightly more flights than other days.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER)?
The most popular departure times for flights from Denver Intl. (DEN) to Perth (PER) are in the evening, from 6pm to 9pm. Many major carriers, including United, Delta and American Airlines, offer flights during this window. Many travelers prefer this because it allows you to make the most of your day in Denver before your flight.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER)?
There are no nonstop flights from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER). Flights with two or more stops typically take around 25 hours. This route covers a significant distance of approximately 16,285 kilometres. Keep in mind that actual travel times can vary based on your specific routing and layover durations.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER)?
Yes, you can fly business class between DEN and PER. Airlines that offer business class service on this route include:
  • Air Canada
  • Alaska Airlines
  • United
  • Edelweiss Air
  • American Airlines
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Perth, WA (PER) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Perth, WA (PER) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Perth, WA (PER) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Perth, WA (PER) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Perth, WA (PER)?
If you booked your Denver, CO (DEN-Denver Intl.) to Perth, WA (PER) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket 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 if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Perth
Airlines serving
Air Canada, Air New Zealand, American Airlines, Cathay Pacific, Lufthansa, Qantas Airways, Qatar Airways, Singapore Airlines, United
Return price
AU$2,539
Distance
16188 km

Book with confidence

Your quick guide to flights from Denver to Perth

Pick up great flights from Denver to Perth

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Denver to Perth. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Denver to Perth that take around hours.

Find cheap flights from Denver to Perth

From the great flight deals with prices currently ranging from AU$2,539 to AU$2,728, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Denver to Perth around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Perth is normally in September.

Reasons to book your flight from Denver to Perth with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Denver to Perth across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Perth right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Denver to Perth

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*Available to Expedia members.