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$513+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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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 abril 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$877
(United Airlines)

One-way from

$513
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,128
Provider with most accurate pricing for Sydney Kingsford Smith-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Denver Intl flights.
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From Australia to Colorado
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One-way flight from Australia to Colorado
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Highest demand for flights based on searches. 20% potential increase in price ($303 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($43 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 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 abril 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/27. 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.
lun. 6/910:20 amSYD - DEN
2 stops38h 08mUnited Airlines
mié. 6/118:02 amDEN - SYD
1 stop30h 53mUnited Airlines
Deal found 4/27$877
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/194:20 pmSYD - DEN
2 stops37h 38mMultiple Airlines
mar. 9/93:02 pmDEN - SYD
2 stops31h 38mMultiple Airlines
Deal found 4/28$1,006
This BYOjet 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/511:50 amSYD - DEN
2 stops23h 43mAir New Zealand
mar. 8/197:15 pmDEN - SYD
2 stops21h 30mAir New Zealand
Deal found 4/28$1,111
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/159:10 amSYD - DEN
1 stop23h 51mAmerican Airlines
mié. 7/211:40 amDEN - SYD
1 stop27h 25mAmerican Airlines
Deal found 4/29$1,140
This Aunt Betty 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/57:30 amSYD - DEN
2 stops23h 25mAir Canada
mar. 8/194:19 pmDEN - SYD
1 stop23h 01mAir Canada
Deal found 4/28$1,207
This BestPriceTravel 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/59:10 amSYD - DEN
1 stop29h 59mQantas Airways
mar. 8/196:00 amDEN - SYD
1 stop33h 05mQantas Airways
Deal found 4/28$1,232
This flugladen.de 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/1212:55 pmMEL - DEN
2 stops25h 48mMultiple Airlines
jue. 6/194:17 pmDEN - MEL
2 stops27h 58mMultiple Airlines
Deal found 4/28$1,255
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/2410:55 amMEL - DEN
2 stops28h 51mUnited Airlines
mié. 7/303:40 pmDEN - MEL
2 stops24h 35mUnited Airlines
Deal found 4/28$1,264
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/58:55 amSYD - DEN
2 stops48h 06mJapan Airlines
jue. 6/196:00 amDEN - SYD
2 stops56h 20mJapan Airlines
Deal found 4/28$1,283
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/179:25 amSYD - DEN
2 stops28h 19mDelta
lun. 6/307:21 pmDEN - SYD
1 stop19h 14mDelta
Deal found 4/28$1,285
This BestPriceTravel 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/2910:20 amBNE - DEN
1 stop23h 58mAir Canada
mar. 8/1211:25 amDEN - BNE
2 stops27h 40mAir Canada
Deal found 4/28$1,324
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/1411:50 amSYD - DEN
2 stops45h 58mANA
lun. 9/81:35 pmDEN - SYD
2 stops27h 50mANA
Deal found 4/29$1,337

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 abril 29, 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

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

lun. 6/9

10:20 am-8:28 am

2 stops38h 08m

Denver Intl

mié. 6/11

8:02 am-6:55 am

1 stop30h 53m

$877

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

lun. 5/19

4:20 pm-1:58 pm

2 stops37h 38m

Denver Intl

mar. 9/9

3:02 pm-2:40 pm

2 stops31h 38m

$1,006

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

mar. 8/5

11:50 am-7:33 pm

2 stops23h 43m

Denver Intl

mar. 8/19

7:15 pm-8:45 am

2 stops21h 30m

$1,111

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

dom. 6/15

9:10 am-5:01 pm

1 stop23h 51m

Denver Intl

mié. 7/2

11:40 am-7:05 am

1 stop27h 25m

$1,140

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

mar. 8/5

7:30 am-2:55 pm

2 stops23h 25m

Denver Intl

mar. 8/19

4:19 pm-7:20 am

1 stop23h 01m

$1,207

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

mar. 8/5

9:10 am-11:09 pm

1 stop29h 59m

Denver Intl

mar. 8/19

6:00 am-7:05 am

1 stop33h 05m

$1,232

MelbourneDenver

MEL - DEN

MELDEN

Melbourne

jue. 6/12

12:55 pm-10:43 pm

2 stops25h 48m

Denver Intl

jue. 6/19

4:17 pm-12:15 pm

2 stops27h 58m

$1,255

MelbourneDenver

MEL - DEN

MELDEN

Melbourne

mar. 6/24

10:55 am-11:46 pm

2 stops28h 51m

Denver Intl

mié. 7/30

3:40 pm-8:15 am

2 stops24h 35m

$1,264

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

jue. 6/5

8:55 am-5:01 pm

2 stops48h 06m

Denver Intl

jue. 6/19

6:00 am-6:20 am

2 stops56h 20m

$1,283

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

mar. 6/17

9:25 am-9:44 pm

2 stops28h 19m

Denver Intl

lun. 6/30

12:50 pm-6:35 am

2 stops25h 45m

$1,285

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 47 results
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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 abril 29, 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 abril 29, 2025.
Read reviews from past customers who have flown Air Tahiti Nui, Korean Air and Japan Airlines 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
8.8
Very good
62 reviews

Boarding

8.7

Crew

9.1

Entertainment

7.3

Overall

8.8

Food

7.8

Comfort

8.1

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

Boarding

8.7

Crew

9.1

Entertainment

7.3

Overall

8.8

Food

7.8

Comfort

8.1

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.
Korean Air
8.4
Very good
1,066 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Boarding

8.7

Crew

9.1

Entertainment

7.3

Overall

8.8

Food

7.8

Comfort

8.1

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
1,459 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Boarding

8.7

Crew

9.1

Entertainment

7.3

Overall

8.8

Food

7.8

Comfort

8.1

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
855 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Boarding

8.7

Crew

9.1

Entertainment

7.3

Overall

8.8

Food

7.8

Comfort

8.1

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

Boarding

8.7

Crew

9.1

Entertainment

7.3

Overall

8.8

Food

7.8

Comfort

8.1

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 Air Canada ($735), Qantas Airways ($853), and United Airlines ($878).

  • 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

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Alternative routes for Australia to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$712Average$1,222FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$737Average$1,491FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$775Average$1,349FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$1,015Average$1,344FlexibilityNo cancel feeOn-time67%

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