Cheap flights from Denver International to Perth

Compare Denver International to Perth flight deals

Find the cheapest month or even day of the year to fly to Perth

Book the best Perth fare with no extra fees

Flight deals from Denver International to Perth

Looking for a cheap last-minute deal or the best round-trip flight from Denver International to Perth? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Denver International to Perth

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Perth flights are currently cheapest in August.

Denver International to Perth: Alternative routes

Compare routes from Denver International to Perth below. You may find an airport to fly into that's cheaper, faster, or easier than Perth.

Denver to Perth: Flight information

The things to know before you go.
Cheapest flight foundC$1,784
Cheapest month to flyAugust

Finding cheap flights from Denver International to Perth: Frequently asked questions

The best price we found for a round-trip flight from Denver International to Perth is C$1,784. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Denver International to Perth. But we found flights with one or more stops from C$1,784.
There are no flights flying from Denver International to Perth, as of July 2025.
The cheapest month to fly from Denver International to Perth is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Perth Airport on Monday, August 25, 2025.
No airlines currently offer direct flights between Denver International Airport and Perth Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Perth but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Perth is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Perth.

Travelling from Denver International Airport (DEN) to Perth Airport (PER): what you need to know

  • The timezone in Perth is UTC+8, which is 14 hours ahead of Denver.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Make sure you're at the airport on time to board your DEN to PER flight.

  • Travelling during a peak time such as July? School holidays and other popular periods can result in longer queues and delays at security. Be extra cautious and get there up to four hours ahead of international flights and two hours before a domestic departure.

  • If you'd like to tour another city along the way, look for a flight with a stopover. To see your options for tickets from Denver International Airport to Perth Airport, uncheck 'Direct flights only.' London Heathrow Airport is a sought-after stop between DEN and PER.

How to find the cheapest flights from Denver International Airport (DEN) to Perth Airport (PER)

  • Currently, C$812 is the lowest price we've seen for a one-way Denver International Airport to Perth Airport flight. The best price for a return plane ticket is C$1,784. Bear in mind that fares may change due to availability at the time of booking.

  • Don't wait until the last moment. You're more likely to get cheap tickets from DEN to PER if you book in advance. Airlines often offer some amazing early bird discounts.

  • Getting cheap flights from Denver International Airport to Perth Airport is easier if you're flexible with your dates. Use the 'Whole month' search tool to see the lowest fares across every month and score a great deal.

  • Spend less time searching for cheap flights from DEN to PER by creating a Price Alert. You'll get an email or notification through the app when fares go down.

  • Tailor your flights with filters. Select your departure and arrival times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Denver International Airport to Perth Airport.

Handy information about Denver International Airport (DEN)

  • DEN is located at 8500 Pena Boulevard.

  • Denver International Airport has an excellent on-time performance, reducing your chances of a delayed flight. Departures from DEN touch down on schedule 80.23% of the time.

  • Central Denver to Denver International Airport is approximately 40 kilometres. Depending on traffic, it'll take you about 35 minutes to get there if you're driving, catching a cab or ride-sharing.

  • You can expect a trip time of about 1 hour 30 minutes when using public transport.

  • Get your flight from Denver International Airport to Perth Airport off to a stress-free start. Only a short drive from DEN, book a night at Baymont by Wyndham Denver International Airport and be well-rested for the trip ahead.

Arriving at Perth Airport (PER)

Getting from Perth Airport (PER) to central Perth

  • Perth Airport to central Perth has a drive time of around 20 minutes. It's approximately 16 kilometres away.

  • Getting there by public transport will take you around 30 minutes.

When to fly to Perth Airport (PER)

  • July is the most popular month for flights from Denver International Airport to Perth Airport. To skip the crowds, visit Perth in February.

  • Before locking in your flight from Denver International Airport to Perth Airport, consider the kind of weather you like. January is the warmest month in Perth, with the temperature ranging from 17ºC (63ºF) to 35ºC (95ºF).

  • Search for cheap tickets from DEN to PER in August if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 8ºC (46ºF) and 20ºC (68ºF) on average.

Explore more of Australia

  • You've done Perth, now it's time to explore other corners of Australia. Journey about 40 kilometres south to Rockingham to tick off its top sights. From Penguin Island to The Catalpa Memorial and Point Peron, you've got a jam-packed schedule ahead.

  • Around 64 kilometres south of Perth, Mandurah is another essential stop in Australia. Get a taste of what this destination has to offer at Emma Blyth Gallery, Dolphin Quay and Len Howard Conservation Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.