How long is the flight from Colorado to Australia?

For as low as $1,484, Air Canada can have you in Australia from Colorado in 19h 30m. The distance from Colorado to Australia is about 8348 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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 $424. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Colorado to Australia for a low price.

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 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.

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.

$376+ Cheap Flights from Colorado to Australia

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Cheap flight deals from Colorado to Australia

Cheapest

Best

Last-minute

One-way

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 28, 2026.

Tue 9/221:10 pm -

2 stops30h 40m

Tue 9/296:15 am -

3 stops33h 29m

Deal found 8/24

$975

Tue 9/221:10 pm -

2 stops29h 15m

Tue 9/2911:35 am -

3 stops28h 09m

Deal found 8/25

$975

Wed 9/2312:42 pm -

2 stops41h 43m

Wed 9/301:15 pm -

3 stops26h 29m

Deal found 8/24

$976

Fri 10/231:10 pm -

2 stops30h 25m

Wed 10/282:00 pm -

3 stops39h 42m

Deal found 8/25

$998

Wed 12/26:25 am -

2 stops36h 00m

Wed 12/91:45 pm -

2 stops27h 43m

Deal found 8/27

$1,015

Mon 10/191:10 pm -

2 stops31h 15m

Tue 11/31:45 pm -

3 stops40h 57m

Deal found 8/28

$1,017

Thu 9/109:05 am -

2 stops45h 20m

Tue 9/221:15 pm -

3 stops26h 29m

Deal found 8/26

$1,020

Thu 11/121:10 pm -

2 stops25h 25m

Tue 11/179:55 am -

2 stops25h 40m

Deal found 8/25

$1,023

Tue 10/201:10 pm -

2 stops30h 40m

Mon 10/262:00 pm -

3 stops26h 43m

Deal found 8/28

$1,030

Tue 11/39:10 am -

2 stops29h 45m

Fri 11/1312:10 pm -

2 stops23h 53m

Deal found 8/26

$1,149

Mon 11/29:50 am -

2 stops29h 05m

Mon 11/2312:10 pm -

2 stops23h 46m

Deal found 8/27

$1,170

Wed 10/218:00 am -

2 stops31h 45m

Sun 10/257:25 pm -

2 stops59h 11m

Deal found 8/27

$1,175

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 28, 2026.

Tue 11/241:13 pm -

2 stops42h 42m

Wed 12/28:30 am -

2 stops28h 39m

Deal found 8/25

$1,455

Wed 9/97:50 pm -

1 stop19h 30m

Mon 9/219:20 am -

1 stop29h 48m

Deal found 8/28

$1,484

Sun 11/87:35 am -

1 stop29h 25m

Thu 11/129:20 am -

1 stop19h 59m

Deal found 8/23

$1,499

Sun 11/296:47 pm -

2 stops45h 08m

Fri 12/118:30 am -

2 stops28h 39m

Deal found 8/25

$1,601

Sat 10/106:07 pm -

2 stops45h 43m

Sat 10/319:10 am -

2 stops25h 22m

Deal found 8/24

$1,619

Sun 11/13:30 pm -

2 stops54h 55m

Thu 11/510:00 pm -

2 stops41h 57m

Deal found 8/26

$1,714

Tue 9/225:45 pm -

2 stops27h 20m

Tue 9/297:55 am -

3 stops28h 18m

Deal found 8/25

$1,788

Mon 11/236:51 pm -

2 stops25h 14m

Wed 1/1310:20 am -

2 stops23h 13m

Deal found 8/25

$1,837

Mon 11/97:55 am -

3 stops37h 40m

Wed 11/111:20 am -

3 stops31h 36m

Deal found 8/27

$2,590

Thu 11/57:00 pm -

2 stops25h 35m

Tue 11/106:10 am -

2 stops23h 40m

Deal found 8/28

$1,469

Wed 10/219:40 am -

1 stop29h 15m

Sun 10/2510:30 am -

1 stop20h 06m

Deal found 8/27

$1,500

Fri 9/257:50 pm -

2 stops22h 50m

Tue 10/136:35 am -

2 stops27h 23m

Deal found 8/25

$1,504

Mon 10/266:42 pm -

2 stops35h 18m

Fri 10/308:40 am -

2 stops30h 07m

Deal found 8/25

$1,617

Sat 10/2412:22 pm -

1 stop25h 38m

Sat 11/710:10 am -

1 stop25h 36m

Deal found 8/25

$1,643

Tue 9/227:50 pm -

2 stops27h 40m

Tue 9/296:20 am -

2 stops26h 38m

Deal found 8/25

$1,495

Tue 9/89:40 am -

1 stop29h 15m

Thu 9/2410:20 am -

1 stop25h 47m

Deal found 8/25

$1,530

Fri 11/135:40 pm -

3 stops53h 25m

Thu 11/197:55 am -

2 stops22h 43m

Deal found 8/27

$1,552

Fri 10/97:10 pm -

1 stop20h 40m

Fri 10/1611:00 am -

1 stop24h 09m

Deal found 8/25

$1,643

Mon 9/2111:06 am -

2 stops43h 24m

Thu 10/112:05 am -

2 stops38h 36m

Deal found 8/25

$1,532

Sat 12/267:59 pm -

1 stop19h 01m

Tue 1/511:20 am -

1 stop26h 05m

Deal found 8/24

$1,858

Mon 9/146:11 pm -

3 stops47h 44m

Sun 9/277:45 pm -

3 stops42h 26m

Deal found 8/24

$1,760

Wed 12/27:00 pm -

1 stop20h 45m

Thu 12/2410:45 am -

1 stop18h 53m

Deal found 8/28

$1,608

Wed 10/2112:56 pm -

2 stops49h 14m

Sun 10/258:00 pm -

3 stops41h 21m

Deal found 8/27

$1,954

Sat 9/197:50 pm -

2 stops26h 30m

Sat 10/38:40 pm -

2 stops31h 16m

Deal found 8/28

$1,534

Mon 2/158:04 pm -

2 stops24h 01m

Mon 3/810:20 am -

2 stops23h 13m

Deal found 8/24

$1,870

Mon 1/251:35 pm -

1 stop23h 25m

Mon 2/81:20 pm -

1 stop19h 12m

Deal found 8/26

$1,751

Mon 11/212:36 pm -

1 stop25h 24m

Mon 11/2310:10 am -

1 stop19h 32m

Deal found 8/28

$1,760

Mon 11/93:30 pm -

2 stops36h 15m

Thu 11/1210:45 pm -

2 stops33h 54m

Deal found 8/24

$1,977

Mon 11/27:00 pm -

2 stops25h 05m

Mon 11/236:00 am -

2 stops24h 20m

Deal found 8/27

$1,541

Mon 1/257:45 pm -

1 stop19h 20m

Tue 2/91:20 pm -

1 stop19h 12m

Deal found 8/26

$1,751

Last-minute flights from Colorado to Australia
Discover last-minute flight deals from Colorado to Australia. Data last updated August 28, 2026 and is based on user searches.

Thu 9/109:05 am -

2 stops45h 20m

Tue 9/221:15 pm -

3 stops26h 29m

Deal found 8/26

$1,020

Sun 9/139:05 am -

2 stops34h 45m

Sun 10/46:00 am -

3 stops54h 37m

Deal found 8/27

$1,132

Sun 9/136:00 am -

2 stops47h 35m

Mon 9/285:55 pm -

2 stops40h 15m

Deal found 8/27

$1,219

Sun 9/1310:44 pm -

1 stop40h 01m

Sun 9/2712:35 am -

2 stops48h 57m

Deal found 8/27

$1,372

Wed 9/1612:42 pm -

1 stop26h 23m

Wed 9/239:10 am -

1 stop24h 22m

Deal found 8/25

$1,121

Sat 9/191:30 pm -

2 stops29h 25m

Sat 10/35:55 pm -

2 stops40h 09m

Deal found 8/28

$1,237

Tue 9/221:10 pm -

2 stops30h 40m

Tue 9/296:15 am -

3 stops33h 29m

Deal found 8/24

$975

Tue 9/221:10 pm -

2 stops29h 15m

Tue 9/2911:35 am -

3 stops28h 09m

Deal found 8/25

$975

Wed 9/2312:42 pm -

2 stops41h 43m

Wed 9/301:15 pm -

3 stops26h 29m

Deal found 8/24

$976

Thu 9/241:10 pm -

1 stop25h 35m

Thu 10/11:20 pm -

2 stops41h 45m

Deal found 8/25

$1,248

Fri 9/251:10 pm -

1 stop26h 20m

Wed 9/301:15 pm -

2 stops36h 17m

Deal found 8/26

$1,119

Sat 9/261:10 pm -

1 stop25h 35m

Sat 10/39:45 am -

2 stops24h 48m

Deal found 8/27

$1,273

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 28, 2026.

Mon 9/1410:44 pm -

1 stop38h 16m

Deal found 8/25

$376

Tue 11/171:10 pm -

1 stop26h 20m

Deal found 8/25

$383

Sat 9/261:10 pm -

1 stop26h 20m

Deal found 8/25

$385

Sat 9/1910:44 pm -

1 stop40h 46m

Deal found 8/25

$387

Fri 9/2510:44 pm -

1 stop40h 46m

Deal found 8/25

$399

Mon 11/1610:55 pm -

1 stop40h 35m

Deal found 8/25

$400

Mon 10/2610:55 pm -

1 stop38h 30m

Deal found 8/25

$413

Tue 11/171:10 pm -

2 stops32h 25m

Deal found 8/25

$433

Fri 9/181:10 pm -

1 stop26h 20m

Deal found 8/25

$434

Thu 9/241:46 pm -

2 stops25h 44m

Deal found 8/25

$436

Thu 11/199:10 am -

2 stops52h 25m

Deal found 8/25

$443

Wed 11/1810:55 pm -

2 stops40h 50m

Deal found 8/25

$461

Find flight deals from Colorado to Australia

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$975 (Trip.com)
One-way from	$376 (Kiwi.com)
Popular in	December
Cheapest in	May
Average price	$1,362

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 Colorado to Australia

Search Deals

One-way flight from Colorado to Australia

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($203 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($39 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverPerth

DEN Denver Intl - PER Perth

DENPER

Denver Intl

Tue 11/24

1:13 pm-10:55 pm

2 stops42h 42m

Perth

Wed 12/2

8:30 am-10:09 pm

2 stops28h 39m

$1,455

DenverAdelaide

DEN Denver Intl - ADL Adelaide

DENADL

Denver Intl

Thu 11/5

7:00 pm-2:05 pm

2 stops25h 35m

Adelaide

Tue 11/10

6:10 am-12:20 pm

2 stops23h 40m

$1,469

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 9/9

7:50 pm-7:20 am

1 stop19h 30m

Sydney Kingsford Smith

Mon 9/21

9:20 am-11:08 pm

1 stop29h 48m

$1,484

DenverCanberra

DEN Denver Intl - CBR Canberra

DENCBR

Denver Intl

Tue 9/22

7:50 pm-3:30 pm

2 stops27h 40m

Canberra

Tue 9/29

6:20 am-4:58 pm

2 stops26h 38m

$1,495

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Sun 11/8

7:35 am-7:00 am

1 stop29h 25m

Sydney Kingsford Smith

Thu 11/12

9:20 am-11:19 am

1 stop19h 59m

$1,499

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Wed 10/21

9:40 am-7:55 am

1 stop29h 15m

Sydney Kingsford Smith

Sun 10/25

10:30 am-1:36 pm

1 stop20h 06m

$1,500

DenverCanberra

DEN Denver Intl - CBR Canberra

DENCBR

Denver Intl

Fri 9/25

7:50 pm-10:40 am

2 stops22h 50m

Canberra

Tue 10/13

6:35 am-4:58 pm

2 stops27h 23m

$1,504

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Tue 9/8

9:40 am-6:55 am

1 stop29h 15m

Sydney Kingsford Smith

Thu 9/24

10:20 am-8:07 pm

1 stop25h 47m

$1,530

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Mon 9/21

11:06 am-10:30 pm

2 stops43h 24m

Brisbane

Thu 10/1

12:05 am-10:41 pm

2 stops38h 36m

$1,532

DenverMelbourne

DEN Denver Intl - AVV Melbourne Avalon

DENAVV

Denver Intl

Sat 9/19

7:50 pm-2:20 pm

2 stops26h 30m

Melbourne Avalon

Sat 10/3

8:40 pm-11:56 am

2 stops31h 16m

$1,534

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/25

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

DEN-BNE

DEN-MEL

COS-SYD

DEN-AVV

DEN-ADL

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

USCO-AU0

DEN-BNE

DEN-MEL

COS-SYD

DEN-AVV

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

Currently, April is the cheapest month in which you can book a flight from Colorado to Australia (average of $1,132). Flying from Colorado to Australia in December is currently the most expensive (average of $1,849). 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.

How far ahead should I book a flight from Colorado to Australia?

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colorado to Australia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

How long is the flight from Colorado to Australia?
For as low as $1,484, Air Canada can have you in Australia from Colorado in 19h 30m. The distance from Colorado to Australia is about 8348 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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 $424. However, be on the lookout for offers from United Airlines and Delta, 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, April is the cheapest month in which you can book a flight from Colorado to Australia (average of $1,132). Flying from Colorado to Australia in December is currently the most expensive (average of $1,849). 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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Top 7 airlines flying from Colorado to Australia

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$117	Average$895	FlexibilityNo cancel fee	On-timeN/A
Fiji Airways	Cheapest$682	Average$741	FlexibilityNo cancel fee	On-time74%
Air Canada	Cheapest$827	Average$1,366	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$844	Average$1,595	FlexibilityNo cancel fee	On-time71%
Qantas Airways	Cheapest$849	Average$1,398	FlexibilityNo cancel fee	On-time74%
United Airlines	Cheapest$853	Average$1,503	FlexibilityNo cancel fee	On-time69%
Air New Zealand	Cheapest$946	Average$1,312	FlexibilityNo cancel fee	On-time78%

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$376+ 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 9/14. 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

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 28, 2026.

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 28, 2026.

Best flights from Colorado to AustraliaDiscover 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 28, 2026.

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 28, 2026.

Last-minute flights from Colorado to AustraliaDiscover last-minute flight deals from Colorado to Australia. Data last updated August 28, 2026 and is based on user searches.

Discover last-minute flight deals from Colorado to Australia. Data last updated August 28, 2026 and is based on user searches.

One-way flights from Colorado to AustraliaSearch for one-way flight options from Colorado to Australia. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.

Search for one-way flight options from Colorado to Australia. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.

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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.

Cheapflights Insights

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

How far ahead should I book a flight from Colorado to Australia?

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colorado to Australia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

How long is the flight from Colorado to Australia?

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

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.

Complete your trip

Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Colorado to Australia by cabin class

Find flights from Colorado to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Colorado and Australia flights

Browse other Colorado and Australia flight options. Last updated on August 28, 2026.

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Find a return flight route from Australia

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Top 7 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 28, 2026.

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 28, 2026.

Last-minute flights from Colorado to Australia
Discover last-minute flight deals from Colorado to Australia. Data last updated August 28, 2026 and is based on user searches.

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 28, 2026.