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Cheap flights from Denver to Perth from $1,431

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PER
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Denver to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Perth (PER). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 25 November 2025.

Round-trip from

$2,169

One-way from

$1,431

Popular in

May

Cheapest in

December

Average price

$1,954
26/2-4/3
  • 26/2-4/3
  • 4 total stops
  • 79h 57m total
  • Denver to Perth
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23/12
  • 23/12
  • 3 total stops
  • 58h 49m total
  • Denver to Perth
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($248 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($105 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from Denver to Perth

Enter your travel dates to find the best prices.

Cheapest flights from Denver to Perth
Explore the most affordable flight options available from Denver to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 November 2025.

Mon 8/1219:15DEN - PER
2 stops36h 40mMultiple Airlines
Sat 7/300:25PER - DEN
2 stops32h 55mMultiple Airlines
Deal found 21/11$2,236
Mon 15/1219:15DEN - PER
2 stops36h 40mMultiple Airlines
Sun 15/308:30PER - DEN
2 stops42h 10mMultiple Airlines
Deal found 21/11$2,914
Mon 29/1219:05DEN - PER
2 stops35h 30mAir Canada
Sun 18/122:30PER - DEN
2 stops29h 07mAir Canada
Deal found 23/11$3,143
Mon 29/1208:45DEN - PER
2 stops45h 50mAir Canada
Sat 17/116:45PER - DEN
2 stops34h 52mAir Canada
Deal found 23/11$3,149
Mon 29/1219:05DEN - PER
2 stops35h 30mAir Canada
Wed 14/122:30PER - DEN
2 stops33h 00mAir Canada
Deal found 23/11$3,220
Mon 8/1209:54DEN - PER
3 stops37h 36mAir Canada
Sun 8/322:30PER - DEN
2 stops28h 07mAir Canada
Deal found 21/11$3,316
Wed 31/1206:02DEN - PER
2 stops45h 43mQatar Airways
Thu 15/122:45PER - DEN
2 stops39h 50mQatar Airways
Deal found 23/11$3,370
Mon 29/1219:05DEN - PER
2 stops35h 30mAir Canada
Fri 16/116:45PER - DEN
2 stops40h 14mAir Canada
Deal found 23/11$3,381

Cheapflights Fare Finder

 
Customise your flight search to find flights from Denver to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 25 November 2025.
Use the filters below to find and compare flights from Denver to Perth that are best for you.

Fly from

Denver

Fly to

Perth

Route

Depart

Return

Price

DenverPerth

DEN - PER

DENPER

Denver Intl

Mon 8/12

19:15-22:55

2 stops36h 40m

Perth

Sat 7/3

00:25-18:20

2 stops32h 55m

$2,236

DenverPerth

DEN - PER

DENPER

Denver Intl

Sat 28/2

09:17-22:55

2 stops46h 38m

Perth

Sat 7/3

00:25-18:34

2 stops33h 09m

$2,313

DenverPerth

DEN - PER

DENPER

Denver Intl

Fri 27/2

07:00-06:55

2 stops32h 55m

Perth

Sat 7/3

00:25-18:20

2 stops32h 55m

$2,313

DenverPerth

DEN - PER

DENPER

Denver Intl

Fri 20/2

20:04-06:55

2 stops43h 51m

Perth

Thu 26/2

00:25-22:36

2 stops37h 11m

$2,442

DenverPerth

DEN - PER

DENPER

Denver Intl

Thu 26/2

18:12-14:45

2 stops29h 33m

Perth

Wed 4/3

01:15-22:37

3 stops36h 22m

$2,544

DenverPerth

DEN - PER

DENPER

Denver Intl

Sat 17/1

12:53-22:55

2 stops43h 02m

Perth

Fri 23/1

00:25-18:53

2 stops33h 28m

$2,666

DenverPerth

DEN - PER

DENPER

Denver Intl

Tue 23/12

22:51-00:40

3 stops58h 49m

$1,431

DenverPerth

DEN - PER

DENPER

Denver Intl

Mon 22/12

22:29-14:30

3 stops49h 01m

$1,553

DenverPerth

DEN - PER

DENPER

Denver Intl

Tue 23/12

19:05-21:35

2 stops35h 30m

$1,777

DenverPerth

DEN - PER

DENPER

Denver Intl

Sun 21/12

22:51-22:55

2 stops57h 04m

$1,980

Flights are sorted by cheapest return flights first.

Deals found on 23/11

Showing 1-10 of 15 results
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Best time to book a flight from Denver to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Denver with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Perth

What is the cheapest month to book a flight from Denver to Perth?

Currently, December is the cheapest month in which you can book a flight from Denver to Perth (average of $1,827). Flying from Denver to Perth in May is currently the most expensive (average of $2,233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Denver to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Denver to Perth that include hotel bookings?

    Yes. In addition to deals on Denver to Perth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Denver to Perth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Perth.

  • Can I find deals for business class flights from Denver to Perth?

    Yes. Cheapflights offers flight deals from Denver to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Perth?

    Currently, December is the cheapest month in which you can book a flight from Denver to Perth (average of $1,827). Flying from Denver to Perth in May is currently the most expensive (average of $2,233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Scarborough
Mandurah
Fremantle
Rottnest Island

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Can Cheapflights find flights from Denver to Perth with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Denver to Perth, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Denver to Perth become cheaper?

Yes, Cheapflights offers price alerts on Denver to Perth flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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