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 return flight from Denver International Airport to Perth Airport? If you want to travel next month, return fares start from $3,797. Find the lowest prices on one-way and return 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 March.

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 found$3,205
Cheapest month to flyOctober

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

The best price we found for a return flight from Denver International to Perth is $3,205. 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 $3,205.
As of June 2026, there are no flights flying from Denver International to Perth.
The cheapest month to fly from Denver International to Perth is usually October.
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 Wednesday, 21 October 2026.
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, Singapore Airlines offers the cheapest flight tickets to Perth.

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

  • Perth's timezone is UTC+8, making Perth 15 hours ahead of Denver.

  • Leave plenty of time to make your DEN to PER flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, it's a good idea to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead for an international flight when you fly during a high season in general.

  • If you'd love to visit a different city along the way, look for a flight with a stopover. To see all your options for tickets from Denver International Airport to Perth Airport, deselect 'Direct flights only.' London Heathrow Airport is a well-known stop between DEN and PER.

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

  • Right now, $1,814 is the lowest price we've seen for a one-way Denver International Airport to Perth Airport flight. The best price for a return ticket is $3,205. Bear in mind that fares could change due to availability when booking.

  • To find cheap tickets from DEN to PER, book ahead. Airlines usually offer the most competitive fares when flights are first released.

  • Getting cheap flights from Denver International Airport to Perth Airport is easier if you're flexible with your dates. Use the 'Whole month' tool to see the lowest prices throughout the month and snap up a great deal.

  • You don't need to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll update you the moment there's a change in price on cheap flights from DEN to PER.

  • Choose your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on 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 earns top marks for its on-time performance. 80% of flights that depart DEN reach their destination without delay.

  • To get to Denver International Airport from central Denver, it takes about 35 minutes if you're travelling by car. This depends on traffic though. It's approximately 40 kilometres from the airport to the city centre.

  • Planning to take public transport? Expect a trip time of around 35 minutes.

  • Spending the night in a hotel can take the hassle out of getting to the airport on time. If you want somewhere to stay before your flight from Denver International Airport to Perth Airport, take a look at Baymont by Wyndham Denver International Airport. It's a quick drive from DEN.

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 11 kilometres away.

  • Getting there on public transport will take you roughly 25 minutes.

When to fly to Perth Airport (PER)

  • It's time to choose your travel dates for your flight from Denver International Airport to Perth Airport. July is the most popular month to head to Perth. If you'd like a quieter vibe, go in March.

  • Book your flight from Denver International Airport to Perth Airport for February if you'd like to visit Perth during its warmest month. Expect temperatures of between 18ºC and 32ºC.

  • If you like travelling in cooler conditions, search for a cheap ticket from DEN to PER in July. Average temperatures are between 9ºC and 18ºC then.

Explore more of Australia

  • You've visited Perth, now it's time to explore other corners of Australia. Journey about 40 kilometres south to Rockingham to tick off its leading sights. From Penguin Island to Rockingham Wild Encounters and Penguin Island Sand Bar, there's plenty to keep you busy.

  • Around 64 kilometres south of Perth, Mandurah is another favourite stop in Australia. Experience the best of this destination with a visit to Silver Sands Beach, Yalgorup National Park and Town Beach.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.