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$423+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
abr. 27 — may. 41
dom. 4/27
dom. 5/4
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 abril 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,096
(StudentUniverse)

One-way from

$423
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$871
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 ($159 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 22, 2025.

This Justfly.com deal was found by Cheapflights users on 4/22. 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.
sáb. 12/64:19 pmDEN - BNE
1 stop19h 41mQantas Airways
sáb. 12/279:45 amBNE - DEN
1 stop23h 07mQantas Airways
Deal found 4/22$900
This StudentUniverse deal was found by Cheapflights users on 4/21. 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.
mar. 8/55:59 pmDEN - SYD
2 stops24h 36mAir New Zealand
mar. 8/199:55 amSYD - DEN
2 stops25h 44mAir New Zealand
Deal found 4/21$1,094
This KAYAK deal was found by Cheapflights users on 4/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/308:57 pmDEN - SYD
2 stops43h 53mQantas Airways
mar. 11/117:30 amSYD - DEN
2 stops24h 06mQantas Airways
Deal found 4/22$1,123
This StudentUniverse deal was found by Cheapflights users on 4/21. 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.
mar. 6/106:31 pmDEN - SYD
2 stops25h 14mFiji Airways
mar. 9/161:15 pmSYD - DEN
2 stops22h 45mFiji Airways
Deal found 4/21$1,134
This Travelocity deal was found by Cheapflights users on 4/22. 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.
vie. 11/284:59 pmDEN - CNS
2 stops25h 21mMultiple Airlines
dom. 12/1412:05 pmCNS - DEN
2 stops44h 44mMultiple Airlines
Deal found 4/22$1,154
This Justfly.com deal was found by Cheapflights users on 4/22. 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. 11/254:18 pmDEN - CNS
2 stops26h 42mQantas Airways
jue. 12/116:00 amCNS - DEN
2 stops24h 32mQantas Airways
Deal found 4/22$1,186
This FlightHub deal was found by Cheapflights users on 4/21. 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.
mar. 8/56:35 pmDEN - BNE
2 stops23h 50mFiji Airways
jue. 8/1411:40 amBNE - DEN
2 stops24h 17mFiji Airways
Deal found 4/21$1,206
This Gurufare deal was found by Cheapflights users on 4/22. 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.
lun. 9/18:02 amDEN - MEL
2 stops34h 48mAir New Zealand
mié. 10/17:35 amMEL - DEN
2 stops26h 39mAir New Zealand
Deal found 4/22$1,210
This Air Canada deal was found by Cheapflights users on 4/21. 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.
dom. 11/27:05 pmDEN - BNE
1 stop20h 35mAir Canada
mié. 11/1910:45 amBNE - DEN
1 stop22h 48mAir Canada
Deal found 4/21$1,231
This Air Canada deal was found by Cheapflights users on 4/21. 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.
dom. 11/211:50 amDEN - SYD
1 stop27h 45mAir Canada
mar. 11/1111:20 amSYD - DEN
1 stop19h 09mAir Canada
Deal found 4/21$1,234
This Trip.com deal was found by Cheapflights users on 4/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/57:30 amDEN - SYD
2 stops31h 35mMultiple Airlines
lun. 6/169:10 amSYD - DEN
1 stop21h 20mMultiple Airlines
Deal found 4/22$1,246
This Gurufare deal was found by Cheapflights users on 4/22. 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.
vie. 11/284:59 pmDEN - MEL
2 stops24h 21mQantas Airways
dom. 12/712:00 pmMEL - DEN
1 stop21h 49mQantas Airways
Deal found 4/22$1,299

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 abril 22, 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

lun. 7/21

3:40 pm-8:45 am

2 stops25h 05m

Sydney Kingsford Smith

lun. 8/11

11:50 am-7:40 pm

2 stops23h 50m

$1,096

DenverSydney

DEN - SYD

DENSYD

Denver Intl

mar. 6/10

6:31 pm-11:45 am

2 stops25h 14m

Sydney Kingsford Smith

mar. 9/16

1:15 pm-8:00 pm

2 stops22h 45m

$1,134

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

mar. 8/5

6:35 pm-10:25 am

2 stops23h 50m

Brisbane

jue. 8/14

11:40 am-7:57 pm

2 stops24h 17m

$1,206

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

mar. 7/1

9:24 pm-10:50 am

2 stops45h 26m

Melbourne

mié. 7/16

12:05 pm-7:33 pm

2 stops23h 28m

$1,236

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

dom. 9/21

7:52 am-7:05 am

1 stop31h 13m

Brisbane

mié. 10/1

10:00 am-12:29 pm

1 stop18h 29m

$1,241

DenverSydney

DEN - SYD

DENSYD

Denver Intl

jue. 6/5

7:30 am-7:05 am

2 stops31h 35m

Sydney Kingsford Smith

lun. 6/16

9:10 am-2:30 pm

1 stop21h 20m

$1,246

DenverSydney

DEN - SYD

DENSYD

Denver Intl

lun. 6/16

5:33 pm-7:05 am

1 stop21h 32m

Sydney Kingsford Smith

mar. 7/8

5:45 pm-11:09 pm

1 stop21h 24m

$1,263

DenverSydney

DEN - SYD

DENSYD

Denver Intl

lun. 6/16

11:40 am-7:30 am

1 stop27h 50m

Sydney Kingsford Smith

mar. 7/8

5:45 pm-11:44 pm

2 stops21h 59m

$1,328

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

dom. 6/22

5:59 pm-8:15 am

1 stop22h 16m

Melbourne

mar. 7/8

10:55 am-4:36 pm

1 stop21h 41m

$1,346

DenverSydney

DEN - SYD

DENSYD

Denver Intl

lun. 6/16

7:17 pm-7:00 am

1 stop19h 43m

Sydney Kingsford Smith

mié. 7/2

10:20 am-12:14 pm

1 stop17h 54m

$1,353

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 56 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, February is the cheapest month in which you can book a flight from Denver to Australia (average of $1,046). 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 abril 22, 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 abril 22, 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

Crew

9.1

Food

7.8

Comfort

8.1

Boarding

8.7

Overall

8.8

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
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Crew

9.1

Food

7.8

Comfort

8.1

Boarding

8.7

Overall

8.8

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
8.3
Very good
847 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Crew

9.1

Food

7.8

Comfort

8.1

Boarding

8.7

Overall

8.8

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.
Fiji Airways
8.1
Very good
188 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Crew

9.1

Food

7.8

Comfort

8.1

Boarding

8.7

Overall

8.8

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
1,290 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Crew

9.1

Food

7.8

Comfort

8.1

Boarding

8.7

Overall

8.8

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
8.0
Very good
3,205 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Crew

9.1

Food

7.8

Comfort

8.1

Boarding

8.7

Overall

8.8

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 Fiji Airways. According to our data, you can fly for as low as $621. Users have also found prices from $720 and $753 on Qantas Airways and American 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 $1,046). 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 abril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$645Average$1,228FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$693Average$1,009FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$768Average$856FlexibilityNo cancel feeOn-time75%
Air New ZealandCheapest$834Average$1,547FlexibilityNo cancel feeOn-time78%
DeltaCheapest$848Average$1,295FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$951Average$1,317FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,032Average$1,574FlexibilityNo cancel feeOn-time69%

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