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Cheap flights from Denver to Australia from $771

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
25 Jun — 2 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Denver to Australia

Enter your travel dates to find the best prices.

Cheapest flights from Denver to Australia
Explore the most affordable flight options available from Denver to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 May 2026.

Mon 28/918:10
DEN
-
ADL
3 stops50h 10m
Air Canada
Tue 6/1006:10
ADL
-
DEN
2 stops22h 51m
Air Canada
Deal found 24/5$1,435
Fri 3/712:32
DEN
-
SYD
2 stops32h 38m
Multiple Airlines
Sun 2/813:15
SYD
-
DEN
3 stops28h 14m
Multiple Airlines
Deal found 24/5$1,626
Thu 30/718:10
DEN
-
MEL
2 stops33h 10m
Multiple Airlines
Sat 15/807:30
MEL
-
DEN
2 stops28h 08m
Multiple Airlines
Deal found 22/5$1,637
Tue 25/822:39
DEN
-
SYD
2 stops52h 31m
Multiple Airlines
Sat 5/917:50
SYD
-
DEN
1 stop22h 50m
Multiple Airlines
Deal found 22/5$1,699
Wed 16/912:02
DEN
-
SYD
1 stop27h 28m
Multiple Airlines
Wed 30/917:50
SYD
-
DEN
1 stop19h 40m
Multiple Airlines
Deal found 21/5$1,707
Tue 8/922:39
DEN
-
MEL
1 stop40h 06m
Multiple Airlines
Tue 15/909:45
MEL
-
DEN
1 stop27h 45m
Multiple Airlines
Deal found 25/5$1,711
Wed 1/707:25
DEN
-
MEL
1 stop31h 20m
Multiple Airlines
Wed 22/709:45
MEL
-
DEN
1 stop19h 28m
Multiple Airlines
Deal found 25/5$1,729
Tue 13/1012:17
DEN
-
MEL
1 stop25h 28m
Multiple Airlines
Fri 30/1023:15
MEL
-
DEN
1 stop35h 57m
Multiple Airlines
Deal found 25/5$1,731
Mon 5/1012:02
DEN
-
SYD
1 stop26h 28m
Multiple Airlines
Mon 19/1018:50
SYD
-
DEN
1 stop31h 50m
Multiple Airlines
Deal found 25/5$1,739
Tue 25/822:39
DEN
-
SYD
2 stops52h 31m
Multiple Airlines
Sun 6/917:50
SYD
-
DEN
1 stop22h 50m
Multiple Airlines
Deal found 22/5$1,745
Tue 30/607:25
DEN
-
MEL
1 stop31h 20m
Multiple Airlines
Tue 14/709:45
MEL
-
DEN
1 stop19h 28m
Multiple Airlines
Deal found 26/5$1,746
Thu 25/618:10
DEN
-
MEL
2 stops33h 10m
Multiple Airlines
Sat 11/707:30
MEL
-
DEN
2 stops28h 11m
Multiple Airlines
Deal found 26/5$1,757

Find flight deals from Denver to Australia

Keep the following information in mind while searching for Denver to Australia flight deals. Data was last updated 26 May 2026.

Round-trip from

$1,435

One-way from

$771

Popular in

December

Cheapest in

August

Average price

$1,725
Air Canada
  • Air Canada
  • 28/9-6/10
  • 5 total stops
  • 73h 01m total
  • Denver to Australia
Search Deals
7/11
  • 7/11
  • 3 total stops
  • 50h 28m total
  • Denver to Australia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($321 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($73 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Denver to Australia 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 26 May 2026.
Use the filters below to find and compare flights from Denver to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Mon 28/9

18:10-11:50

3 stops50h 10m

Adelaide

Tue 6/10

06:10-12:31

2 stops22h 51m

$1,435

DenverMelbourne

DEN - AVV

DENAVV

Denver Intl

Mon 9/11

19:00-14:05

2 stops25h 05m

Melbourne Avalon

Tue 24/11

06:00-12:29

2 stops24h 29m

$2,117

DenverMelbourne

DEN - AVV

DENAVV

Denver Intl

Mon 19/10

19:50-14:10

2 stops25h 20m

Melbourne Avalon

Mon 2/11

06:00-12:29

2 stops24h 29m

$2,117

DenverMelbourne

DEN - AVV

DENAVV

Denver Intl

Tue 10/11

19:00-15:35

2 stops26h 35m

Melbourne Avalon

Wed 18/11

06:00-12:08

2 stops24h 08m

$2,125

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Mon 14/9

17:45-10:55

2 stops25h 40m

Adelaide

Sun 27/9

13:25-12:13

2 stops38h 18m

$2,134

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Fri 13/11

16:45-12:35

2 stops25h 50m

Sydney Kingsford Smith

Fri 4/12

14:00-18:44

2 stops22h 44m

$2,169

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 10/6

19:05-18:50

2 stops31h 45m

Sydney Kingsford Smith

Fri 10/7

20:45-19:25

2 stops38h 40m

$2,171

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Mon 6/7

19:50-13:30

2 stops26h 10m

Adelaide

Mon 13/7

18:55-17:13

2 stops37h 48m

$2,173

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Tue 8/9

06:30-12:40

2 stops38h 10m

Melbourne

Sun 13/9

11:00-18:10

2 stops47h 10m

$2,187

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Thu 2/7

18:10-13:55

3 stops52h 15m

Adelaide

Mon 27/7

19:00-20:22

3 stops40h 52m

$2,255

Flights are sorted by cheapest return flights first.

Deals found on 25/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Denver to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia 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 Australia

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

Currently, January is the cheapest month in which you can book a flight from Denver to Australia (average of $100). Flying from Denver to Australia in November is currently the most expensive (average of $1,039). 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.

How far ahead should I book a flight from Denver to Australia?

The best time to book flights from Denver to Australia is 33 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated 26 May 2026.
Read through reviews of airlines operating flights from Denver to Australia, such as Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
1,042 reviews
Check prices

Crew

8.1

Food

7.0

Boarding

7.7

Comfort

7.5

Overall

7.5

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.
Qantas Airways
7.5
Good
1,042 reviews
Qantas Airways
7.5
Good
1,042 reviews
Check prices

Crew

8.1

Food

7.0

Boarding

7.7

Comfort

7.5

Overall

7.5

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.

Related info for your journey

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

  • What airport do you fly from for flights from Denver to Australia?

    Denver Intl (DEN), located 29.7 km from the city centre, is the airport you fly out of when you book flights from Denver to Australia.

  • How long is the flight from Denver to Australia?

    A quick flight from Denver to Australia can take about 27h 28m. Air Canada provides one of the quickest options available for as low as $2,134. There are 14511 km between Denver and Australia. This flight may include one or multiple stops.

  • What are the most popular routes from Denver to Australia?

    The most popular route from Denver to Australia is Denver Intl - Melbourne. You may also consider Denver Intl - Sydney Kingsford Smith or Denver Intl - Brisbane.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denver to Australia 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 Australia?

    Currently, January is the cheapest month in which you can book a flight from Denver to Australia (average of $100). Flying from Denver to Australia in November is currently the most expensive (average of $1,039). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Denver to Australia

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Melbourne flights
Colorado Springs to Melbourne flights
Denver to Sydney flights
Denver to Brisbane flights
Denver to Perth flights
Denver to Darwin flights

Top airline flying from Denver to Australia

Discover the top airline that operate flights from Denver to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 26 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,259Average$1,908FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Denver to Australia?

Deals for Denver to Australia flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Australia from Denver by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Australia from Denver shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Denver to Australia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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