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$345+ 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
mars 8 — mars 151
sam. 3/8
sam. 3/15
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 mars 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$682
(Justfly.com)

One-way from

$345
(American Airlines)

Popular in

December

Cheapest in

April

Average price

$904
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 ($157 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in March 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 mars 3, 2025.

This American Airlines deal was found by Cheapflights users on 3/3. 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.
jeu. 3/67:50 pmDEN - BNE
1 stop40h 10mAmerican Airlines
mer. 3/1910:00 pmBNE - DEN
1 stop30h 51mAmerican Airlines
Deal found 3/3$668
This Flighttix deal was found by Cheapflights users on 3/3. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 3/61:14 pmDEN - BNE
1 stop22h 46mMultiple Airlines
mer. 3/1910:00 pmBNE - DEN
2 stops26h 19mMultiple Airlines
Deal found 3/3$675
This Justfly.com deal was found by Cheapflights users on 3/2. 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.
mar. 3/184:49 pmDEN - BNE
1 stop20h 41mQantas Airways
mer. 3/268:05 amBNE - DEN
1 stop21h 41mQantas Airways
Deal found 3/2$682
This American Airlines deal was found by Cheapflights users on 3/1. 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.
dim. 3/25:00 amDEN - MEL
1 stop30h 40mAmerican Airlines
dim. 3/94:20 pmMEL - DEN
1 stop20h 19mAmerican Airlines
Deal found 3/1$817
This Gurufare deal was found by Cheapflights users on 3/3. 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.
mer. 4/161:18 pmDEN - SYD
1 stop25h 47mQantas Airways
mar. 4/295:45 pmSYD - DEN
1 stop35h 01mQantas Airways
Deal found 3/3$829
This American Airlines deal was found by Cheapflights users on 3/3. 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.
sam. 5/38:09 amDEN - SYD
2 stops30h 56mAmerican Airlines
sam. 5/315:45 pmSYD - DEN
2 stops20h 54mAmerican Airlines
Deal found 3/3$830
This Alaska Airlines deal was found by Cheapflights users on 3/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/2212:01 pmDEN - SYD
1 stop27h 04mAlaska Airlines
dim. 8/39:10 amSYD - DEN
1 stop18h 21mAlaska Airlines
Deal found 3/1$851
This Gurufare deal was found by Cheapflights users on 3/3. 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.
mar. 10/215:42 pmDEN - MEL
2 stops23h 38mQantas Airways
jeu. 10/301:00 pmMEL - DEN
2 stops24h 27mQantas Airways
Deal found 3/3$859
This Fareboom deal was found by Cheapflights users on 3/2. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/11:29 pmDEN - SYD
2 stops27h 16mAir New Zealand
dim. 7/209:55 amSYD - DEN
2 stops25h 44mAir New Zealand
Deal found 3/2$870
This Jetabroad deal was found by Cheapflights users on 3/3. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/108:00 pmDEN - MEL
1 stop42h 35mMultiple Airlines
lun. 3/246:50 pmMEL - DEN
2 stops33h 51mMultiple Airlines
Deal found 3/3$898
This Delta deal was found by Cheapflights users on 3/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/197:17 pmDEN - SYD
1 stop19h 18mDelta
lun. 5/269:25 amSYD - DEN
1 stop24h 54mDelta
Deal found 3/1$931
This Travelocity deal was found by Cheapflights users on 3/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/215:42 pmDEN - AVV
2 stops27h 28mMultiple Airlines
jeu. 10/306:00 amAVV - DEN
2 stops28h 12mMultiple Airlines
Deal found 3/3$952

Find flights from Denver to Australia within your budget

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 mars 3, 2025.

Fly from

Denver

Fly to

Australia

Route

Depart

Return

Price

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

mar. 3/18

4:49 pm-5:30 am

1 stop20h 41m

Brisbane

mer. 3/26

8:05 am-1:46 pm

1 stop21h 41m

$682

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

jeu. 3/13

1:22 pm-5:00 am

1 stop23h 38m

Brisbane

dim. 3/23

10:00 pm-12:51 pm

1 stop30h 51m

$687

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

lun. 3/10

1:22 pm-7:35 am

1 stop25h 13m

Melbourne

lun. 3/24

12:00 pm-7:30 pm

1 stop24h 30m

$817

DenverSydney

DEN - SYD

DENSYD

Denver Intl

mer. 4/16

1:18 pm-7:05 am

1 stop25h 47m

Sydney Kingsford Smith

mar. 4/29

5:45 pm-12:46 pm

1 stop35h 01m

$829

DenverSydney

DEN - SYD

DENSYD

Denver Intl

sam. 5/3

8:09 am-7:05 am

2 stops30h 56m

Sydney Kingsford Smith

sam. 5/31

5:45 pm-10:39 pm

2 stops20h 54m

$830

DenverSydney

DEN - SYD

DENSYD

Denver Intl

mar. 5/20

8:20 pm-7:05 am

1 stop18h 45m

Sydney Kingsford Smith

dim. 5/25

9:10 am-3:56 pm

1 stop22h 46m

$851

DenverSydney

DEN - SYD

DENSYD

Denver Intl

mer. 5/28

5:47 pm-8:45 am

2 stops22h 58m

Sydney Kingsford Smith

mar. 6/17

11:50 am-7:40 pm

2 stops23h 50m

$883

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

lun. 3/10

8:00 pm-7:35 am

1 stop42h 35m

Melbourne

lun. 3/24

6:50 pm-11:41 am

2 stops33h 51m

$898

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

mar. 4/8

6:40 pm-5:00 am

1 stop42h 20m

Melbourne

mar. 4/29

3:05 pm-7:50 pm

1 stop20h 45m

$911

DenverSydney

DEN - SYD

DENSYD

Denver Intl

lun. 5/19

7:17 pm-6:35 am

1 stop19h 18m

Sydney Kingsford Smith

lun. 5/26

9:25 am-6:19 pm

1 stop24h 54m

$931

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 55 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.

Travel insights for flights from Denver to Australia

Get recent, data-driven insights about flights from Denver to Australia including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Denver to Australia (average of $1,051). 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 mars 3, 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 mars 3, 2025.
Read through reviews of airlines operating flights from Denver to Australia, such as Air Tahiti Nui, ANA and China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Crew

9.1

Food

7.8

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
8.7
Very good
61 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Crew

9.1

Food

7.8

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
8.4
Very good
833 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Crew

9.1

Food

7.8

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.

China Airlines
8.2
Very good
721 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Crew

9.1

Food

7.8

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.

Emirates
8.1
Very good
3,237 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Crew

9.1

Food

7.8

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
1,288 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

Crew

9.1

Food

7.8

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 American Airlines. According to our data, you can fly for as low as $345. Users have also found prices from $406 and $420 on Qantas Airways and Alaska Airlines, 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, February is the cheapest month in which you can book a flight from Denver to Australia (average of $1,051). 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 mars 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$686Average$1,069FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$696Average$1,299FlexibilityNo cancel feeOn-time74%
Alaska AirlinesCheapest$834Average$878FlexibilityNo cancel feeOn-time75%
DeltaCheapest$848Average$1,332FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$939Average$1,629FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$997Average$1,335FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,159Average$1,523FlexibilityNo cancel feeOn-time78%
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