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Cheap flights from Denver to Perth from $870

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PER
24 May — 31 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 24 April 2026.

Thu 4/607:00
DEN
-
PER
2 stops42h 15m
Multiple Airlines
Thu 11/610:30
PER
-
DEN
2 stops28h 10m
Multiple Airlines
Deal found 20/4$2,278
Fri 21/812:59
DEN
-
PER
2 stops33h 31m
Multiple Airlines
Sun 30/813:45
PER
-
DEN
2 stops35h 45m
Multiple Airlines
Deal found 20/4$2,386
Fri 21/807:58
DEN
-
PER
2 stops38h 32m
Singapore Airlines
Sun 30/813:45
PER
-
DEN
2 stops43h 45m
Singapore Airlines
Deal found 22/4$2,506
Fri 21/812:39
DEN
-
PER
2 stops44h 01m
Cathay Pacific
Sun 30/808:20
PER
-
DEN
2 stops40h 49m
Cathay Pacific
Deal found 19/4$2,600
Sat 13/621:20
DEN
-
PER
2 stops52h 40m
Air New Zealand
Fri 3/716:25
PER
-
DEN
2 stops36h 02m
Air New Zealand
Deal found 21/4$2,701
Fri 12/615:43
DEN
-
PER
2 stops34h 17m
Air New Zealand
Mon 22/612:25
PER
-
DEN
2 stops37h 48m
Air New Zealand
Deal found 21/4$2,712
Wed 28/1015:30
DEN
-
PER
2 stops37h 15m
Qatar Airways
Sat 31/1022:45
PER
-
DEN
2 stops40h 03m
Qatar Airways
Deal found 19/4$2,720
Tue 19/510:07
DEN
-
PER
2 stops39h 53m
Air New Zealand
Tue 26/523:45
PER
-
DEN
2 stops26h 28m
Air New Zealand
Deal found 19/4$2,739
Wed 1/718:08
DEN
-
PER
2 stops32h 52m
Qantas Airways
Wed 15/707:45
PER
-
DEN
2 stops47h 55m
Qantas Airways
Deal found 21/4$2,822

Find 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 24 April 2026.

Round-trip from

$2,278

One-way from

$870

Popular in

May

Cheapest in

December

Average price

$2,196
4/6-11/6
  • 4/6-11/6
  • 4 total stops
  • 70h 25m total
  • Denver to Perth
Search Deals
15/9
  • 15/9
  • 3 total stops
  • 47h 27m total
  • Denver to Perth
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($722 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($168 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 24 April 2026.
Use the filters below to find and compare flights from Denver to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverPerth

DEN - PER

DENPER

Denver Intl

Thu 4/6

07:00-15:15

2 stops42h 15m

Perth

Thu 11/6

10:30-00:40

2 stops28h 10m

$2,278

DenverPerth

DEN - PER

DENPER

Denver Intl

Fri 21/8

12:59-12:30

2 stops33h 31m

Perth

Sun 30/8

13:45-11:30

2 stops35h 45m

$2,386

DenverPerth

DEN - PER

DENPER

Denver Intl

Fri 21/8

12:39-22:40

2 stops44h 01m

Perth

Sun 30/8

08:20-11:09

2 stops40h 49m

$2,600

DenverPerth

DEN - PER

DENPER

Denver Intl

Sat 13/6

21:20-16:00

2 stops52h 40m

Perth

Fri 3/7

16:25-14:27

2 stops36h 02m

$2,701

DenverPerth

DEN - PER

DENPER

Denver Intl

Tue 19/5

10:07-16:00

2 stops39h 53m

Perth

Tue 26/5

23:45-12:13

2 stops26h 28m

$2,739

DenverPerth

DEN - PER

DENPER

Denver Intl

Fri 21/8

07:58-12:30

2 stops38h 32m

Perth

Sun 30/8

16:55-22:59

3 stops44h 04m

$3,105
Fastest return journey

DenverPerth

DEN - PER

DENPER

Denver Intl

Fri 21/8

13:29-11:15

2 stops31h 46m

Perth

Sun 30/8

23:45-19:30

3 stops33h 45m

$3,109

DenverPerth

DEN - PER

DENPER

Denver Intl

Thu 10/9

09:40-15:45

2 stops40h 05m

Perth

Mon 14/9

22:40-19:33

2 stops34h 53m

$3,116

DenverPerth

DEN - PER

DENPER

Denver Intl

Thu 10/9

14:13-18:35

2 stops38h 22m

Perth

Mon 14/9

22:45-23:17

2 stops38h 32m

$3,118
Cheapest one-way

DenverPerth

DEN - PER

DENPER

Denver Intl

Fri 4/9

21:25-21:40

3 stops58h 15m

$999

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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

How much does it cost for a return flight from Denver to Perth?

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.

  • How long is the flight from Denver to Perth?

    Cathay Pacific can get you from Denver to Perth in just under 44h 01m. Your travel time can differ by up to . There are 16272 km between Denver and Perth.

  • 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.

See more FAQs

Travelling to a place near Perth?

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

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Why should you use Cheapflights to find cheap flight tickets from Denver to Perth?

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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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