HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colorado

$505+ Cheap flights from Australia to Colorado

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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Australia to Colorado with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Australia to Colorado

Keep the following information in mind while searching for Australia to Colorado flight deals. Data was last updated June 12, 2025.

Round-trip from

$1,007
(American Airlines)

One-way from

$505
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$902
From Australia to Colorado
Search Deals
One-way flight from Australia to Colorado
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($340 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Australia to Colorado

Cheapest flights from Australia to Colorado
Explore the most affordable flight options available from Australia to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 9/103:05 pmMEL - DEN
1 stop23h 04mAmerican Airlines
Sun 9/286:00 amDEN - MEL
1 stop32h 45mAmerican Airlines
Deal found 6/12$1,007
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 9/410:55 amMEL - DEN
2 stops21h 45mUnited Airlines
Thu 9/47:20 pmDEN - MEL
1 stop20h 55mUnited Airlines
Deal found 6/10$1,011
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 6/1410:20 amSYD - DEN
2 stops38h 08mUnited Airlines
Mon 6/165:00 amDEN - SYD
1 stop33h 55mUnited Airlines
Deal found 6/10$1,022
This BYOjet deal was found by Cheapflights users on 6/11. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/158:45 amSYD - DEN
2 stops30h 53mAir New Zealand
Thu 8/2111:39 amDEN - SYD
2 stops29h 06mAir New Zealand
Deal found 6/11$1,026
This BYOjet deal was found by Cheapflights users on 6/10. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1612:15 pmBNE - DEN
2 stops26h 14mAir New Zealand
Wed 8/64:35 pmDEN - BNE
2 stops23h 55mAir New Zealand
Deal found 6/10$1,029
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 10/19:25 amSYD - DEN
1 stop18h 05mDelta
Tue 10/77:15 pmDEN - SYD
1 stop19h 20mDelta
Deal found 6/11$1,029
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 10/277:25 pmBNE - DEN
1 stop31h 56mAmerican Airlines
Sun 11/1612:52 pmDEN - BNE
1 stop24h 38mAmerican Airlines
Deal found 6/12$1,031
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 6/259:25 amSYD - COS
2 stops28h 51mDelta
Tue 7/18:15 amCOS - SYD
2 stops30h 20mDelta
Deal found 6/11$1,033
This BYOjet deal was found by Cheapflights users on 6/9. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/412:05 pmMEL - DEN
2 stops25h 54mAir New Zealand
Sat 10/111:30 pmDEN - MEL
2 stops38h 05mAir New Zealand
Deal found 6/9$1,062
This Jettzy deal was found by Cheapflights users on 6/12. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/810:00 amBNE - DEN
1 stop25h 30mAir Canada
Mon 8/187:05 pmDEN - BNE
1 stop20h 00mAir Canada
Deal found 6/12$1,078
This Delta deal was found by Cheapflights users on 6/12. 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.
Sun 7/279:25 amSYD - ASE
1 stop24h 26mDelta
Sun 8/312:05 pmASE - SYD
1 stop26h 30mDelta
Deal found 6/12$1,126
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/49:10 amSYD - DEN
1 stop18h 00mAmerican Airlines
Fri 8/226:00 amDEN - SYD
1 stop33h 05mAmerican Airlines
Deal found 6/11$1,164

Cheapflights Fare Finder

Customize your flight search to find flights from Australia to Colorado 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 June 12, 2025.
Use the filters below to find and compare flights from Australia to Colorado that are best for you.

Fly from

Australia

Fly to

Colorado

Route

Depart

Return

Price

MelbourneDenver

MEL - DEN

MELDEN

Melbourne

Wed 9/10

3:05 pm-10:09 pm

1 stop23h 04m

Denver Intl

Sun 9/28

6:00 am-6:45 am

1 stop32h 45m

$1,007

MelbourneDenver

MEL - DEN

MELDEN

Melbourne

Thu 9/4

10:55 am-4:40 pm

2 stops21h 45m

Denver Intl

Thu 9/4

7:20 pm-8:15 am

1 stop20h 55m

$1,011

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 8/15

8:45 am-11:38 pm

2 stops30h 53m

Denver Intl

Thu 8/21

11:39 am-8:45 am

2 stops29h 06m

$1,026

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 10/1

9:25 am-6:55 pm

2 stops25h 30m

Denver Intl

Tue 10/7

5:30 am-7:35 am

2 stops33h 05m

$1,029

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Wed 7/16

12:15 pm-10:29 pm

2 stops26h 14m

Denver Intl

Wed 8/6

4:35 pm-8:30 am

2 stops23h 55m

$1,029

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Mon 10/27

7:25 pm-11:21 am

1 stop31h 56m

Denver Intl

Sun 11/16

12:52 pm-6:30 am

1 stop24h 38m

$1,031

SydneyColorado Springs

SYD - COS

SYDCOS

Sydney Kingsford Smith

Wed 6/25

9:25 am-10:16 pm

2 stops28h 51m

Colorado Springs

Tue 7/1

8:15 am-6:35 am

2 stops30h 20m

$1,033

MelbourneDenver

MEL - DEN

MELDEN

Melbourne

Thu 9/4

12:05 pm-9:59 pm

2 stops25h 54m

Denver Intl

Sat 10/11

1:30 pm-8:35 pm

2 stops38h 05m

$1,062

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Fri 8/8

10:00 am-7:30 pm

1 stop25h 30m

Denver Intl

Mon 8/18

7:05 pm-7:05 am

1 stop20h 00m

$1,078

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Sun 7/27

9:25 am-5:51 pm

1 stop24h 26m

Aspen Pitkin County

Sun 8/3

12:05 pm-6:35 am

1 stop26h 30m

$1,126

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 58 results
1
2
3
...
6

Best time to book a flight from Australia to Colorado

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

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

Currently, October is the cheapest month in which you can book a flight from Australia to Colorado (average of $197). Flying from Australia to Colorado in March is currently the most expensive (average of $278). 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 AU to CO?

Find hourly flight availability from Australia to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Australia to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Colorado by month

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

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

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

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Air Tahiti Nui, Japan Airlines and ANA from Australia to Colorado. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

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
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

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.
Japan Airlines
8.3
Very good
1,489 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

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
882 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

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
3,264 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

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
1,302 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

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 Australia to Colorado. 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 Australia to Colorado one-way?

    The cheapest airlines for a one-way flight from Australia to Colorado are United Airlines ($645), American Airlines ($718), and Air Canada ($780).

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Australia to Colorado (average of $197). Flying from Australia to Colorado in March is currently the most expensive (average of $278). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Australia to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
Melbourne to Los Angeles flights
Sydney to Los Angeles flights
Melbourne to John F Kennedy Intl flights
Brisbane to Los Angeles flights
Melbourne to Newark flights
Melbourne to Dallas/Fort Worth flights
Sydney to John F Kennedy Intl flights
Sydney to San Francisco flights
Melbourne to LaGuardia flights
Melbourne to San Francisco flights
Sydney to Newark flights
Sydney to LaGuardia flights
Auckland to Los Angeles flights
Papeete to Los Angeles flights
Sydney to Honolulu flights
Sydney to Dallas/Fort Worth flights
Melbourne to Honolulu flights
Auckland to John F Kennedy Intl flights
Sydney to Boston flights
Sydney to Ontario flights
Melbourne to Seattle flights
Avalon to Los Angeles flights
Melbourne to O'Hare Intl flights
Melbourne to Ontario flights
Brisbane to Newark flights
Melbourne to Hobby flights
Brisbane to San Francisco flights
Brisbane to John F Kennedy Intl flights
Brisbane to LaGuardia flights
Perth to Los Angeles flights
Sydney to Seattle flights
Perth to John F Kennedy Intl flights
Auckland to Newark flights
Melbourne to Denver flights
Avalon to Honolulu flights
Sydney to Hobby flights
Auckland to Honolulu flights
Auckland to LaGuardia flights
Brisbane to Dallas/Fort Worth flights
Perth to Newark flights
Brisbane to Ontario flights
Melbourne to San Jose flights
Brisbane to Honolulu flights
Auckland to San Francisco flights
Melbourne to George Bush Intcntl flights
Sydney to O'Hare Intl flights
Sydney to Santa Ana flights
Nadi to San Francisco flights

Top 4 airlines flying from Australia to Colorado

Discover the top 4 airlines that operate flights from Australia to Colorado. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$712Average$1,120FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$737Average$1,449FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$775Average$1,232FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$1,015Average$1,344FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.