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$529+ Cheap flights from Denver (DEN) to Australia

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Denver to Australia

Keep the following information in mind while searching for Denver to Australia flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,194
(StudentUniverse)

One-way from

$529
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$915
Provider with most accurate pricing for Denver Intl-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Sydney Kingsford Smith flights.
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From Denver Intl to Australia
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One-way flight from Denver Intl to Australia
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Highest demand for flights based on searches. 12% potential increase in price ($153 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Denver to Australia

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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2512:55 pmDEN - BNE
1 stop23h 05mQantas Airways
Thu 12/259:45 amBNE - DEN
1 stop20h 46mQantas Airways
Deal found 4/30$900
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:49 pmDEN - BNE
1 stop22h 41mAmerican Airlines
Thu 12/257:25 pmBNE - DEN
2 stops19h 16mAmerican Airlines
Deal found 4/30$942
This Air Canada deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:10 pmDEN - BNE
1 stop20h 30mAir Canada
Wed 11/1910:45 amBNE - DEN
1 stop18h 52mAir Canada
Deal found 4/30$1,022
This Gurufare deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:57 pmDEN - SYD
2 stops43h 53mQantas Airways
Tue 11/117:30 amSYD - DEN
2 stops24h 06mQantas Airways
Deal found 4/30$1,124
This StudentUniverse deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:51 pmDEN - SYD
2 stops24h 39mFiji Airways
Tue 11/42:10 pmSYD - DEN
2 stops23h 48mFiji Airways
Deal found 4/30$1,135
This StudentUniverse deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/23:41 pmDEN - SYD
2 stops26h 54mAir New Zealand
Tue 9/3010:50 amSYD - DEN
2 stops23h 24mAir New Zealand
Deal found 4/30$1,150
This FlightHub deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:51 pmDEN - BNE
2 stops23h 34mFiji Airways
Sat 11/111:25 amBNE - DEN
2 stops24h 32mFiji Airways
Deal found 4/29$1,181
This Justfly.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/254:18 pmDEN - CNS
2 stops26h 42mQantas Airways
Thu 12/116:00 amCNS - DEN
2 stops24h 32mQantas Airways
Deal found 4/30$1,187
This Gurufare deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:51 pmDEN - BNE
2 stops23h 34mMultiple Airlines
Sat 11/19:45 amBNE - DEN
1 stop19h 48mMultiple Airlines
Deal found 4/29$1,187
This StudentUniverse deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/215:35 pmDEN - MEL
2 stops31h 10mAir New Zealand
Tue 11/412:05 pmMEL - DEN
2 stops25h 25mAir New Zealand
Deal found 4/28$1,194
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/317:05 pmDEN - SYD
2 stops51h 35mMultiple Airlines
Sun 6/85:45 pmSYD - DEN
1 stop32h 03mMultiple Airlines
Deal found 4/30$1,198
This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/274:59 pmDEN - CNS
2 stops25h 36mFiji Airways
Sat 12/1312:35 pmCNS - DEN
2 stops24h 20mFiji Airways
Deal found 4/30$1,198

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated May 1, 2025.
Use the filters below to find and compare flights from Denver to Australia that are best for you.

Fly from

Denver

Fly to

Australia

Route

Depart

Return

Price

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Fri 7/4

5:05 pm-8:45 am

2 stops23h 40m

Sydney Kingsford Smith

Sat 7/19

9:55 am-10:47 pm

2 stops28h 52m

$1,194

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Tue 10/21

5:35 pm-5:45 pm

2 stops31h 10m

Melbourne

Tue 11/4

12:05 pm-7:30 pm

2 stops25h 25m

$1,194

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 5/31

7:05 pm-2:40 pm

2 stops51h 35m

Sydney Kingsford Smith

Sun 6/8

5:45 pm-9:48 am

1 stop32h 03m

$1,198

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sat 6/21

6:35 pm-10:35 am

2 stops24h 00m

Brisbane

Tue 7/8

11:40 am-8:05 pm

2 stops24h 25m

$1,272

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 7/1

5:33 pm-7:30 am

1 stop21h 57m

Sydney Kingsford Smith

Thu 7/31

9:10 am-11:10 am

1 stop18h 00m

$1,310

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Tue 10/21

11:51 am-6:45 am

1 stop25h 54m

Melbourne

Tue 11/4

12:00 pm-3:48 pm

1 stop21h 48m

$1,342

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Tue 8/5

5:59 pm-8:15 am

1 stop22h 16m

Melbourne

Tue 8/19

10:55 am-10:18 pm

1 stop27h 23m

$1,351

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Wed 6/18

5:33 pm-5:25 am

1 stop19h 52m

Brisbane

Wed 7/2

8:05 pm-11:09 pm

1 stop19h 04m

$1,352

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 7/6

11:40 am-7:30 am

1 stop27h 50m

Sydney Kingsford Smith

Sat 7/19

10:25 am-5:44 pm

1 stop23h 19m

$1,374

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Tue 10/21

9:58 am-12:35 pm

3 stops33h 37m

Melbourne

Tue 11/4

8:10 am-12:29 pm

2 stops22h 19m

$1,375

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 48 results
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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 round-trip 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, March is the cheapest month in which you can book a flight from Denver to Australia (average of $1,043). Flying from Denver to Australia in December is currently the most expensive (average of $1,643). 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.

What is the cheapest time of day to fly from DEN to AU?

Find hourly flight availability from Denver to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Australia as you normally would.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 May 1, 2025.
Read through reviews of airlines operating flights from Denver to Australia, such as Air Tahiti Nui, ANA and Fiji Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Food

7.8

Crew

9.1

Comfort

8.1

Overall

8.8

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Food

7.8

Crew

9.1

Comfort

8.1

Overall

8.8

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very good
852 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Food

7.8

Crew

9.1

Comfort

8.1

Overall

8.8

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Fiji Airways
8.1
Very good
190 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Food

7.8

Crew

9.1

Comfort

8.1

Overall

8.8

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Singapore Airlines
8.1
Very good
1,292 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Food

7.8

Crew

9.1

Comfort

8.1

Overall

8.8

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Delta
8.0
Very good
7,934 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Food

7.8

Crew

9.1

Comfort

8.1

Overall

8.8

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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?

    If you book a flight to Australia from Denver, you will be flying from Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver.

  • What are the cheapest airlines to fly from Denver to Australia one-way?

    For one-way options, check prices for Fiji Airways. According to our data, you can fly for as low as $664. Users have also found prices from $796 and $808 on Alaska Airlines and Qantas Airways, respectively.

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

    The most popular flight routes from Denver to Australia are Denver Intl - Sydney Kingsford Smith, Denver Intl - Melbourne and 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 vacation 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, March is the cheapest month in which you can book a flight from Denver to Australia (average of $1,043). Flying from Denver to Australia in December is currently the most expensive (average of $1,643). 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

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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.
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Top 7 airlines flying from Denver to Australia

Discover the top 7 airlines 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 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$645Average$1,228FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$693Average$1,008FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$768Average$856FlexibilityNo cancel feeOn-time75%
Air New ZealandCheapest$834Average$1,537FlexibilityNo cancel feeOn-time78%
DeltaCheapest$848Average$1,301FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$950Average$1,313FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,054Average$1,570FlexibilityNo cancel feeOn-time69%

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