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$399+ Cheap flights from Colorado 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Colorado to Australia

Discover tips and strategies to find the most affordable flight options for your journey from Colorado (USCO) to Australia (AU0). 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 January 21, 2025.

Round-trip from

$804
(Justfly.com)

One-way from

$399
(Trip.com)
From Colorado to Australia
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One-way flight from Colorado to Australia
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Find flight deals from Colorado to Australia

Cheapest flights from Colorado to Australia
Explore the most affordable flight options available from Colorado to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Justfly.com deal was found by Cheapflights users on 1/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/161:00 pmDEN - BNE
1 stop23h 00mQantas Airways
Wed 2/269:40 amBNE - DEN
1 stop21h 09mQantas Airways
Deal found 1/21$804
This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/141:00 pmDEN - BNE
1 stop23h 00mAmerican Airlines
Fri 2/2110:00 pmBNE - DEN
1 stop31h 28mAmerican Airlines
Deal found 1/21$825
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/164:49 pmDEN - SYD
1 stop20h 46mQantas Airways
Wed 4/210:10 amSYD - DEN
1 stop26h 20mQantas Airways
Deal found 1/21$839
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Thu 2/202:39 pmDEN - SYD
1 stop21h 56mAmerican Airlines
Thu 3/65:25 pmSYD - DEN
1 stop19h 55mAmerican Airlines
Deal found 1/19$855
This Flighttix deal was found by Cheapflights users on 1/19. 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.
Thu 2/201:00 pmDEN - SYD
1 stop24h 25mMultiple Airlines
Thu 3/65:25 pmSYD - DEN
2 stops22h 34mMultiple Airlines
Deal found 1/19$862
This Ovago deal was found by Cheapflights users on 1/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/25:52 pmDEN - OOL
2 stops24h 48mQantas Airways
Tue 6/107:00 amOOL - DEN
2 stops24h 51mQantas Airways
Deal found 1/20$870
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 2/67:53 pmDEN - SYD
1 stop19h 07mAlaska Airlines
Fri 2/2111:15 amSYD - DEN
1 stop19h 13mAlaska Airlines
Deal found 1/20$884
This Trip.com deal was found by Cheapflights users on 1/19. 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.
Thu 2/63:56 pmDEN - MEL
2 stops26h 49mMultiple Airlines
Mon 2/101:45 pmMEL - DEN
2 stops24h 02mMultiple Airlines
Deal found 1/19$948
This Travelocity deal was found by Cheapflights users on 1/19. 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.
Thu 2/67:53 pmDEN - AVV
2 stops33h 22mMultiple Airlines
Mon 2/106:00 amAVV - DEN
2 stops24h 29mMultiple Airlines
Deal found 1/19$985
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/76:45 pmASE - SYD
1 stop20h 30mUnited Airlines
Fri 3/1411:20 amSYD - ASE
2 stops20h 50mUnited Airlines
Deal found 1/20$1,019
This Expedia deal was found by Cheapflights users on 1/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/25:52 pmDEN - BNE
2 stops24h 58mMultiple Airlines
Mon 6/98:45 pmBNE - DEN
2 stops37h 03mMultiple Airlines
Deal found 1/21$1,031
This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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.
Sun 10/195:02 pmDEN - MEL
2 stops25h 03mQantas Airways
Sun 11/29:30 amMEL - DEN
2 stops24h 17mQantas Airways
Deal found 1/20$1,042

Find flights from Colorado to Australia within your budget

Customize your flight search to find flights from Colorado 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 2/16

1:00 pm-5:00 am

1 stop23h 00m

Brisbane

Wed 2/26

9:40 am-1:49 pm

1 stop21h 09m

$804

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Fri 2/14

1:00 pm-5:00 am

1 stop23h 00m

Brisbane

Fri 2/21

10:00 pm-12:28 pm

1 stop31h 28m

$825

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 3/16

4:49 pm-6:35 am

1 stop20h 46m

Sydney Kingsford Smith

Wed 4/2

10:10 am-7:30 pm

1 stop26h 20m

$839

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 2/20

2:39 pm-6:35 am

1 stop21h 56m

Sydney Kingsford Smith

Thu 3/6

5:25 pm-7:20 pm

1 stop19h 55m

$855

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 2/20

1:00 pm-7:25 am

1 stop24h 25m

Sydney Kingsford Smith

Thu 3/6

5:25 pm-9:59 pm

2 stops22h 34m

$862

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 2/6

1:00 pm-9:00 am

1 stop26h 00m

Sydney Kingsford Smith

Mon 2/24

11:15 am-12:28 pm

1 stop19h 13m

$884

DenverCoolangatta

DEN - OOL

DENOOL

Denver Intl

Mon 6/2

5:52 pm-10:40 am

2 stops24h 48m

Coolangatta Gold Coast

Mon 6/9

7:00 am-5:47 pm

2 stops26h 47m

$915

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Thu 2/6

3:56 pm-12:45 pm

2 stops26h 49m

Melbourne

Mon 2/10

1:45 pm-7:47 pm

2 stops24h 02m

$948

DenverMelbourne

DEN - AVV

DENAVV

Denver Intl

Thu 2/6

7:53 pm-11:15 pm

2 stops33h 22m

Melbourne Avalon

Mon 2/10

6:00 am-12:29 pm

2 stops24h 29m

$985

AspenSydney

ASE - SYD

ASESYD

Aspen Pitkin County

Fri 3/7

6:45 pm-9:15 am

1 stop20h 30m

Sydney Kingsford Smith

Fri 3/14

11:20 am-3:10 pm

2 stops20h 50m

$1,019

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 56 results
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Best time to book a flight from Colorado to Australia

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

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

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

Currently, February is the cheapest month in which you can book a flight from Colorado to Australia (average of $1,051). Flying from Colorado 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 CO to AU?

Find hourly flight availability from Colorado 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 January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado 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 January 21, 2025.
See what other customers who have flown with Air Canada, Qantas Airways and American Airlines from Colorado to Australia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Crew

9.1

Food

7.8

Overall

8.8

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2

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

Comfort

8.1

Crew

9.1

Food

7.8

Overall

8.8

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2

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
852 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Crew

9.1

Food

7.8

Overall

8.8

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2

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
3,358 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Crew

9.1

Food

7.8

Overall

8.8

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2

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
1,328 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Crew

9.1

Food

7.8

Overall

8.8

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2

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

Comfort

8.1

Crew

9.1

Food

7.8

Overall

8.8

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2

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 Colorado to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The cheapest airline one-way is Qantas Airways, with whom users have recently found tickets for as low as $402. However, be on the lookout for offers from American Airlines and Alaska Airlines, as they are both options that can get you from Colorado to Australia for a low price.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Colorado to Australia (average of $1,051). Flying from Colorado 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.

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Alternative routes for Colorado to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Colorado to Australia

Discover the top 8 airlines that operate flights from Colorado 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$686Average$1,091FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$693Average$1,473FlexibilityNo cancel feeOn-time74%
Alaska AirlinesCheapest$834Average$878FlexibilityNo cancel feeOn-time75%
DeltaCheapest$848Average$1,308FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$873Average$1,683FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$910Average$1,313FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,220Average$1,520FlexibilityNo cancel feeOn-time78%
Singapore AirlinesCheapest$1,529Average$1,839FlexibilityNo cancel feeOn-time81%
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