How long is the flight from Colorado to Australia?

For as low as $1,304, Air New Zealand can have you in Australia from Colorado in 23h 55m. The distance from Colorado to Australia is about 8753 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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.

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).

What is the cheapest month to fly from Colorado to Australia?

Flights from Colorado to Australia lean towards being more expensive in December. Prices are generally better when you fly from Colorado to Australia in April, with the cheapest ticket starting at $806.

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.

$456+ Flights from Colorado to Australia

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Cheap flight deals from Colorado to Australia

Round-trip from	$991 (Trip.com)
One-way from	$456 (Trip.com)
Popular in	December
Cheapest in	April
Average price	$1,110

From Colorado to Australia

Search Deals

One-way flight from Colorado to Australia

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($195 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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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 August 20, 2025.

Mon 9/83:43 pmDEN - MEL

2 stops28h 42mMultiple Airlines

Mon 9/221:30 pmMEL - DEN

2 stops27h 06mMultiple Airlines

Deal found 8/18

$991

Tue 11/1111:45 amDEN - SYD

2 stops30h 45mMultiple Airlines

Mon 11/242:00 pmSYD - DEN

2 stops25h 50mMultiple Airlines

Deal found 8/19

$1,006

Thu 10/301:23 pmDEN - SYD

2 stops25h 02mMultiple Airlines

Fri 11/711:15 amSYD - DEN

2 stops30h 44mMultiple Airlines

Deal found 8/18

$1,037

Wed 10/223:46 pmDEN - SYD

2 stops23h 59mAir New Zealand

Mon 11/39:55 amSYD - DEN

2 stops24h 31mAir New Zealand

Deal found 8/18

$1,097

Tue 9/233:02 pmDEN - SYD

2 stops31h 38mMultiple Airlines

Tue 10/146:45 pmSYD - DEN

1 stop32h 34mMultiple Airlines

Deal found 8/19

$1,111

Sun 11/25:00 amDEN - BNE

2 stops35h 55mAir New Zealand

Wed 11/1911:10 amBNE - DEN

2 stops23h 48mAir New Zealand

Deal found 8/19

$1,112

Mon 11/101:45 pmDEN - SYD

2 stops25h 00mAir New Zealand

Sun 11/231:55 pmSYD - DEN

2 stops23h 45mAir New Zealand

Deal found 8/19

$1,114

Wed 10/223:42 pmDEN - BNE

2 stops24h 03mAir New Zealand

Sun 11/211:10 amBNE - DEN

2 stops28h 10mAir New Zealand

Deal found 8/18

$1,114

Wed 11/124:05 pmDEN - SYD

2 stops22h 40mAir New Zealand

Wed 11/261:55 pmSYD - DEN

2 stops26h 00mAir New Zealand

Deal found 8/19

$1,115

Wed 10/223:46 pmDEN - SYD

2 stops23h 59mAir New Zealand

Sun 11/21:55 pmSYD - DEN

2 stops26h 00mAir New Zealand

Deal found 8/18

$1,117

Mon 12/89:30 amDEN - SYD

2 stops33h 00mMultiple Airlines

Sun 12/142:50 pmSYD - DEN

2 stops23h 40mMultiple Airlines

Deal found 8/20

$1,120

Sat 11/18:37 pmDEN - SYD

2 stops43h 08mAir New Zealand

Mon 11/101:55 pmSYD - DEN

2 stops24h 25mAir New Zealand

Deal found 8/18

$1,125

Best flights from Colorado to Australia
Discover carefully curated flight deals from Colorado to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2025.

Tue 11/1111:45 amDEN - SYD

2 stops30h 45mMultiple Airlines

Mon 11/242:00 pmSYD - DEN

2 stops25h 50mMultiple Airlines

Deal found 8/19

$1,006

Tue 11/114:05 pmDEN - SYD

2 stops24h 25mAir New Zealand

Mon 11/241:55 pmSYD - DEN

2 stops22h 03mAir New Zealand

Deal found 8/19

$1,097

Sat 2/75:01 pmDEN - BNE

2 stops24h 09mFiji Airways

Sat 2/1411:25 amBNE - DEN

2 stops25h 37mFiji Airways

Deal found 8/18

$1,169

Sun 2/83:43 pmDEN - MEL

2 stops27h 52mAir Canada

Sat 2/217:10 amMEL - DEN

2 stops23h 19mAir Canada

Deal found 8/19

$1,181

Thu 11/1312:00 pmASE - SYD

1 stop26h 30mDelta

Mon 11/1710:40 amSYD - ASE

1 stop26h 04mDelta

Deal found 8/17

$1,226

Wed 11/193:35 pmCOS - MEL

2 stops23h 55mUnited Airlines

Sun 11/3011:30 amMEL - COS

2 stops39h 11mUnited Airlines

Deal found 8/18

$1,304

Tue 11/1112:21 pmDEN - PER

2 stops43h 29mCathay Pacific

Tue 11/1812:15 amPER - DEN

2 stops37h 07mCathay Pacific

Deal found 8/18

$1,407

Tue 11/1112:33 pmDEN - PER

2 stops32h 27mQatar Airways

Wed 11/1910:45 pmPER - DEN

2 stops38h 42mQatar Airways

Deal found 8/18

$1,574

Wed 11/1912:45 pmCOS - MEL

1 stop22h 15mQantas Airways

Sun 11/306:30 pmMEL - COS

2 stops35h 15mQantas Airways

Deal found 8/18

$1,658

Mon 9/83:43 pmDEN - MEL

2 stops28h 42mMultiple Airlines

Mon 9/221:30 pmMEL - DEN

2 stops27h 06mMultiple Airlines

Deal found 8/19

$1,034

Wed 10/223:46 pmDEN - SYD

2 stops23h 59mAir New Zealand

Mon 11/39:55 amSYD - DEN

2 stops24h 31mAir New Zealand

Deal found 8/18

$1,097

Thu 10/301:23 pmDEN - SYD

2 stops25h 02mMultiple Airlines

Fri 11/711:15 amSYD - DEN

2 stops30h 44mMultiple Airlines

Deal found 8/18

$1,037

Last-minute flights from Colorado to Australia
Discover last-minute flight deals from Colorado to Australia. Data last updated August 20, 2025 and is based on user searches.

Tue 9/27:05 pmDEN - SYD

1 stop20h 15mAir Canada

Tue 9/99:20 amSYD - DEN

2 stops24h 43mAir Canada

Deal found 8/18

$1,177

Mon 9/83:43 pmDEN - MEL

2 stops28h 42mMultiple Airlines

Mon 9/221:30 pmMEL - DEN

2 stops27h 06mMultiple Airlines

Deal found 8/18

$991

Tue 9/911:15 amDEN - ADL

2 stops32h 50mMultiple Airlines

Sat 9/2012:35 pmADL - DEN

2 stops27h 21mMultiple Airlines

Deal found 8/19

$1,131

Tue 9/163:02 pmDEN - SYD

2 stops31h 38mMultiple Airlines

Tue 9/305:45 pmSYD - DEN

1 stop39h 28mMultiple Airlines

Deal found 8/19

$1,134

Tue 9/1611:35 amDEN - SYD

1 stop27h 45mAir Canada

Mon 10/610:20 amSYD - DEN

2 stops24h 43mAir Canada

Deal found 8/20

$1,178

Wed 9/1710:55 pmDEN - SYD

2 stops41h 05mMultiple Airlines

Fri 9/265:45 pmSYD - DEN

1 stop32h 33mMultiple Airlines

Deal found 8/20

$1,173

Wed 9/178:55 pmDEN - SYD

2 stops41h 10mMultiple Airlines

Sat 10/116:45 pmSYD - DEN

1 stop32h 33mMultiple Airlines

Deal found 8/18

$1,174

Sun 9/218:02 amDEN - BNE

2 stops32h 28mAir New Zealand

Mon 10/139:00 amBNE - DEN

2 stops29h 27mAir New Zealand

Deal found 8/19

$1,178

Mon 9/2210:29 pmDEN - SYD

2 stops39h 36mMultiple Airlines

Mon 10/136:45 pmSYD - DEN

1 stop23h 07mMultiple Airlines

Deal found 8/19

$1,175

Tue 9/233:02 pmDEN - SYD

2 stops31h 38mMultiple Airlines

Tue 10/146:45 pmSYD - DEN

1 stop32h 34mMultiple Airlines

Deal found 8/19

$1,111

Tue 9/233:02 pmDEN - SYD

2 stops31h 38mMultiple Airlines

Wed 10/156:45 pmSYD - DEN

1 stop32h 33mMultiple Airlines

Deal found 8/19

$1,135

Tue 9/233:02 pmDEN - SYD

2 stops31h 38mMultiple Airlines

Mon 10/136:45 pmSYD - DEN

1 stop23h 07mMultiple Airlines

Deal found 8/19

$1,139

One-way flights from Colorado to Australia
Search for one-way flight options from Colorado to Australia. Find affordable one-way fares based on user searches. Data last updated August 20, 2025.

Thu 10/3010:00 amDEN - SYD

2 stops30h 00mMultiple Airlines

Deal found 8/19

$456

Sat 11/110:00 amDEN - SYD

2 stops30h 00mMultiple Airlines

Deal found 8/20

$466

Mon 9/1510:29 pmDEN - SYD

2 stops48h 11mMultiple Airlines

Deal found 8/19

$473

Sat 9/276:33 pmDEN - SYD

2 stops43h 32mMultiple Airlines

Deal found 8/19

$508

Wed 10/158:39 pmDEN - SYD

3 stops50h 01mMultiple Airlines

Deal found 8/18

$520

Mon 9/156:34 pmDEN - PER

3 stops43h 56mMultiple Airlines

Deal found 8/18

$524

Fri 9/1210:55 pmDEN - SYD

2 stops47h 45mMultiple Airlines

Deal found 8/19

$525

Tue 9/911:15 amDEN - MEL

2 stops51h 15mMultiple Airlines

Deal found 8/18

$526

Mon 10/63:43 pmDEN - BNE

2 stops50h 12mMultiple Airlines

Deal found 8/18

$555

Tue 9/210:55 pmDEN - MEL

2 stops39h 35mMultiple Airlines

Deal found 8/19

$565

Tue 9/93:02 pmDEN - AVV

3 stops39h 48mMultiple Airlines

Deal found 8/18

$566

Tue 9/1611:15 amDEN - PER

3 stops58h 55mMultiple Airlines

Deal found 8/18

$576

Fly from

Fly to

Route

Depart

Return

Price

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 11/11

11:45 am-12:30 pm

2 stops30h 45m

Sydney Kingsford Smith

Mon 11/24

2:00 pm-9:50 pm

2 stops25h 50m

$1,006

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Mon 9/8

3:43 pm-12:25 pm

2 stops28h 42m

Melbourne

Mon 9/22

1:30 pm-12:36 am

2 stops27h 06m

$1,034

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 10/30

1:23 pm-7:25 am

2 stops25h 02m

Sydney Kingsford Smith

Fri 11/7

11:15 am-11:59 pm

2 stops30h 44m

$1,037

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 11/11

4:05 pm-10:30 am

2 stops24h 25m

Sydney Kingsford Smith

Mon 11/24

1:55 pm-5:58 pm

2 stops22h 03m

$1,097

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 10/22

3:46 pm-8:45 am

2 stops23h 59m

Sydney Kingsford Smith

Mon 11/3

9:55 am-4:26 pm

2 stops24h 31m

$1,097

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 11/17

4:05 pm-8:45 am

2 stops22h 40m

Sydney Kingsford Smith

Mon 11/24

1:55 pm-5:58 pm

2 stops22h 03m

$1,097

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 11/2

8:00 am-9:55 am

2 stops32h 55m

Brisbane

Wed 11/19

11:10 am-5:50 pm

2 stops23h 40m

$1,112

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 11/2

5:00 am-9:55 am

2 stops35h 55m

Brisbane

Wed 11/19

11:10 am-5:58 pm

2 stops23h 48m

$1,112

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 11/10

1:45 pm-8:45 am

2 stops25h 00m

Sydney Kingsford Smith

Sun 11/23

1:55 pm-7:40 pm

2 stops23h 45m

$1,114

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Wed 10/22

3:42 pm-7:45 am

2 stops24h 03m

Brisbane

Sun 11/2

11:10 am-11:20 pm

2 stops28h 10m

$1,114

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 60 results

...

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.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Australia

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 $1,030). Flying from Colorado to Australia in December is currently the most expensive (average of $1,620). 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?

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.

Related info for your journey

How long is the flight from Colorado to Australia?
For as low as $1,304, Air New Zealand can have you in Australia from Colorado in 23h 55m. The distance from Colorado to Australia is about 8753 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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 $1,030). Flying from Colorado to Australia in December is currently the most expensive (average of $1,620). 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

Top 8 airlines flying from Colorado to Australia

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$645	Average$1,243	FlexibilityNo cancel fee	On-time74%
American Airlines	Cheapest$693	Average$992	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$745	Average$856	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$830	Average$1,265	FlexibilityNo cancel fee	On-timeN/A
Air New Zealand	Cheapest$834	Average$1,321	FlexibilityNo cancel fee	On-time78%
Air Canada	Cheapest$962	Average$1,300	FlexibilityNo cancel fee	On-time67%
Fiji Airways	Cheapest$1,159	Average$1,283	FlexibilityNo cancel fee	On-time74%
United Airlines	Cheapest$1,159	Average$1,570	FlexibilityNo cancel fee	On-time69%

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$456+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Colorado to Australia

Keep the following information in mind while searching for Colorado to Australia flight deals. Data was last updated August 20, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Colorado to Australia

Cheapest flights from Colorado to AustraliaExplore 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 August 20, 2025.

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 August 20, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado to Australia that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Australia

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

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 August 20, 2025.

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.

How long is the flight from Colorado to Australia?

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

How can I find direct flights from Colorado to Australia?

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

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

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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.

Top 8 airlines flying from Colorado to Australia

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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 August 20, 2025.