How long is the flight from Colorado to Australia?

The flight from Colorado to Australia depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Denver (a popular airport in Colorado) to Sydney (the most popular airport in Australia), then the flight time is 22h 03m on average. If you fly from Aspen (another popular airport in Colorado) to Sydney, then the average flight time is 24h 26m.

What is the cheapest airline that flies from Colorado to Australia?

Fiji Airways, Delta, and United Airlines are the most popular carriers operating from Colorado to Australia

When did momondo last update prices for flights from Colorado to Australia?

Prices for flights from Colorado to Australia are refreshed on a daily basis.

How many operators does momondo search for flights from Colorado to Australia?

As of November 2026, there is 1 operator available to choose from for flights from Colorado to Australia.

How old do you have to be to fly from Colorado to Australia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Australia.

What documentation or ID do you need to fly to Australia?

The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$754 Cheap Flights from Colorado to Australia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Australia

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:22 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

22h 03m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-DEN Denver Intl

24h 19m2 stops Nadi Los Angeles

$1,357Multiple Airlines

Sat, 20 Feb - Wed, 24 Feb

14:22 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

22h 03m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-DEN Denver Intl

24h 19m2 stops Nadi Los Angeles

$1,381Multiple Airlines

Sat, 20 Feb - Wed, 24 Feb

09:20 - 10:30DEN Denver Intl-BNE Brisbane

32h 10m2 stops Los Angeles Nadi

11:25 - 20:19BNE Brisbane-DEN Denver Intl

25h 54m2 stops Nadi Los Angeles

$1,406Multiple Airlines

Wed, 17 Feb - Wed, 24 Feb

22:29 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

37h 56m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-DEN Denver Intl

24h 19m2 stops Nadi Los Angeles

$1,411Multiple Airlines

Thu, 28 Jan - Wed, 17 Feb

14:22 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

22h 03m1 stop Los Angeles

14:00 - 09:31SYD Sydney Kingsford Smith-DEN Denver Intl

37h 31m2 stops Nadi Los Angeles

$1,415Multiple Airlines

Sat, 30 Jan - Fri, 19 Feb

09:20 - 05:50DEN Denver Intl-BNE Brisbane

27h 30m1 stop Los Angeles

11:25 - 20:19BNE Brisbane-DEN Denver Intl

25h 54m2 stops Nadi Los Angeles

$1,459Multiple Airlines

Wed, 17 Feb - Wed, 24 Feb

09:20 - 10:30DEN Denver Intl-BNE Brisbane

32h 10m2 stops Los Angeles Nadi

11:25 - 20:19BNE Brisbane-DEN Denver Intl

25h 54m2 stops Nadi Los Angeles

$1,470Multiple Airlines

Wed, 17 Feb - Wed, 24 Feb

09:20 - 05:50DEN Denver Intl-BNE Brisbane

27h 30m1 stop Los Angeles

11:25 - 20:19BNE Brisbane-DEN Denver Intl

25h 54m2 stops Nadi Los Angeles

$1,472Multiple Airlines

Thu, 18 Feb - Wed, 24 Feb

15:45 - 16:50DEN Denver Intl-PER Perth

35h 05m2 stops Los Angeles Auckland Intl

18:50 - 18:05PER Perth-DEN Denver Intl

37h 15m2 stops Auckland Intl San Francisco

$2,099Air New Zealand

Mon, 15 Mar - Mon, 22 Mar

07:45 - 16:50DEN Denver Intl-PER Perth

42h 05m2 stops Los Angeles Auckland Intl

18:50 - 16:11PER Perth-DEN Denver Intl

36h 21m2 stops Auckland Intl Los Angeles

$2,099Air New Zealand

Sun, 28 Feb - Sun, 7 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

15:37 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

22h 58m2 stops San Francisco Auckland Intl

09:55 - 16:12SYD Sydney Kingsford Smith-DEN Denver Intl

24h 17m2 stops Auckland Intl Los Angeles

$1,815Air New Zealand

Fri, 13 Nov - Wed, 18 Nov

09:44 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

26h 41m2 stops Las Vegas Harry Reid Intl Los Angeles

11:20 - 17:35SYD Sydney Kingsford Smith-DEN Denver Intl

24h 15m1 stop Los Angeles

$2,300Multiple Airlines

Fri, 13 Nov - Wed, 18 Nov

09:44 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

26h 41m2 stops Las Vegas Harry Reid Intl Los Angeles

11:05 - 23:44SYD Sydney Kingsford Smith-DEN Denver Intl

30h 39m3 stops Brisbane Los Angeles Las Vegas Harry Reid Intl

$2,301Multiple Airlines

Fri, 13 Nov - Wed, 18 Nov

09:50 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

28h 45m2 stops Los Angeles Auckland Intl

11:20 - 16:12SYD Sydney Kingsford Smith-DEN Denver Intl

22h 52m1 stop Los Angeles

$2,316Air New Zealand

Fri, 13 Nov - Sun, 15 Nov

09:10 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

27h 15m1 stop Los Angeles

11:20 - 17:35SYD Sydney Kingsford Smith-DEN Denver Intl

24h 15m1 stop Los Angeles

$2,323Multiple Airlines

Fri, 13 Nov - Wed, 18 Nov

09:50 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

28h 45m2 stops San Francisco Auckland Intl

11:50 - 17:56SYD Sydney Kingsford Smith-DEN Denver Intl

24h 06m2 stops Auckland Intl Los Angeles

$2,379Air New Zealand

Fri, 13 Nov - Sun, 15 Nov

14:14 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

22h 11m2 stops Phoenix Sky Harbor Intl Los Angeles

08:35 - 23:53SYD Sydney Kingsford Smith-DEN Denver Intl

33h 18m3 stops Brisbane Los Angeles Phoenix Sky Harbor Intl

$2,859Multiple Airlines

Fri, 13 Nov - Sun, 15 Nov

12:54 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

23h 31m1 stop Los Angeles

11:15 - 15:11SYD Sydney Kingsford Smith-DEN Denver Intl

21h 56m1 stop Los Angeles

$2,967Multiple Airlines

Fri, 13 Nov - Sun, 15 Nov

14:17 - 09:05ASE Aspen Pitkin County-SYD Sydney Kingsford Smith

24h 48m1 stop Los Angeles

11:20 - 13:36SYD Sydney Kingsford Smith-ASE Aspen Pitkin County

20h 16m1 stop Los Angeles

$3,341United Airlines

Thu, 12 Nov - Mon, 16 Nov

17:25 - 09:20DEN Denver Intl-SYD Sydney Kingsford Smith

21h 55m1 stop San Francisco

11:50 - 14:24SYD Sydney Kingsford Smith-DEN Denver Intl

20h 34m1 stop San Francisco

$3,347United Airlines

Mon, 9 Nov - Fri, 13 Nov

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Air New Zealand flights from Colorado to Australia

Our best Air New Zealand deals on Colorado to Australia flight tickets

Air New Zealand

10 Feb

DEN11:31Denver Intl

27h 04m

2 stops

SYD08:35Sydney Kingsford Smith

21 Feb

SYD09:55Sydney Kingsford Smith

27h 50m

2 stops

DEN19:45Denver Intl

$1,737

Air New Zealand

1 Feb

DEN11:31Denver Intl

27h 04m

2 stops

SYD08:35Sydney Kingsford Smith

17 Feb

SYD14:05Sydney Kingsford Smith

22h 01m

2 stops

DEN18:06Denver Intl

$1,747

Air New Zealand

3 May

DEN13:29Denver Intl

27h 16m

2 stops

SYD08:45Sydney Kingsford Smith

17 May

SYD09:55Sydney Kingsford Smith

25h 35m

2 stops

DEN19:30Denver Intl

$1,748

United Airlines flights from Colorado to Australia

Our best United Airlines deals on Colorado to Australia flight tickets

United Airlines

24 Feb

COS12:04Colorado Springs

24h 56m

1 stop

SYD07:00Sydney Kingsford Smith

28 Feb

SYD09:15Sydney Kingsford Smith

20h 08m

1 stop

COS11:23Colorado Springs

$2,239

United Airlines

24 Feb

COS17:04Colorado Springs

22h 01m

2 stops

SYD09:05Sydney Kingsford Smith

28 Feb

SYD09:15Sydney Kingsford Smith

22h 25m

2 stops

COS13:40Colorado Springs

$2,246

United Airlines

24 Feb

COS12:04Colorado Springs

24h 56m

1 stop

SYD07:00Sydney Kingsford Smith

28 Feb

SYD09:15Sydney Kingsford Smith

20h 08m

1 stop

COS11:23Colorado Springs

$2,310

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 20/2

14:22-06:25

1 stop22h 03m

Sydney Kingsford Smith

Wed 24/2

14:00-20:19

2 stops24h 19m

$1,357

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 20/2

14:22-06:25

1 stop22h 03m

Sydney Kingsford Smith

Wed 24/2

14:00-20:19

2 stops24h 19m

$1,381

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Wed 17/2

09:20-10:30

2 stops32h 10m

Brisbane

Wed 24/2

11:25-20:19

2 stops25h 54m

$1,406

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Thu 28/1

22:29-06:25

1 stop37h 56m

Sydney Kingsford Smith

Wed 17/2

14:00-20:19

2 stops24h 19m

$1,411

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 30/1

14:22-06:25

1 stop22h 03m

Sydney Kingsford Smith

Fri 19/2

14:00-09:31

2 stops37h 31m

$1,415

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Wed 17/2

09:20-05:50

1 stop27h 30m

Brisbane

Wed 24/2

11:25-20:19

2 stops25h 54m

$1,459

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Wed 17/2

09:20-10:30

2 stops32h 10m

Brisbane

Wed 24/2

11:25-20:19

2 stops25h 54m

$1,470

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Thu 18/2

09:20-05:50

1 stop27h 30m

Brisbane

Wed 24/2

11:25-20:19

2 stops25h 54m

$1,472

DenverPerth

DEN Denver Intl - PER Perth

DENPER

Denver Intl

Mon 15/3

15:45-16:50

2 stops35h 05m

Perth

Mon 22/3

18:50-18:05

2 stops37h 15m

$2,099

DenverPerth

DEN Denver Intl - PER Perth

DENPER

Denver Intl

Sun 28/2

07:45-16:50

2 stops42h 05m

Perth

Sun 7/3

18:50-16:11

2 stops36h 21m

$2,099

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Colorado to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Australia?

In general, April is the cheapest month to fly from Colorado to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,706. If you don’t want to visit Australia in April, then you should wait until June to fly from Colorado, when ticket prices are also cheap, with an average price of $1,757.

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

You are more likely to see cheaper flights to Australia from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $2,046 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Colorado for as low as $1,543 on momondo.

Can stopping save me money on Colorado to Australia flights?

You could potentially save up to 10% on your flight if you consider stops on a Colorado to Australia flight.

Cheap Colorado to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Australia

Best price found	$754
Fastest flight time	21h 30m
Direct flights	None

The best one-way flight to Australia from Colorado in the past 72 hours is $754. The best return flight deal from Colorado to Australia found on momondo in the last 72 hours is $1,357.

The fastest flight from Colorado to Australia takes 21h 30m

There are no direct flights from Colorado to Australia. There are no popular flight routes from Colorado to Australia.

Search flight deals

Frequently asked questions about flying from Colorado to Australia

When did momondo last update prices for flights from Colorado to Australia?
Prices for flights from Colorado to Australia are refreshed on a daily basis.
How many operators does momondo search for flights from Colorado to Australia?
As of November 2026, there is 1 operator available to choose from for flights from Colorado to Australia.
How old do you have to be to fly from Colorado to Australia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Australia.
What documentation or ID do you need to fly to Australia?
The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Colorado to Australia

Compare and see reviews for airlines that fly from Colorado to Australia with momondo

Airline	Rating	Free cancellation	Price
Air New Zealand	PriceFrom $2,303	Free cancellation	Rating 8.0 683 reviews		Search Air New Zealand flights

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Australia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Colorado to Australia. momondo saves you time and could save you money on your trip.

Can I find flights from Colorado to Australia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Australia from Colorado with this policy.

How can momondo help me find flights from Colorado to Australia?

Once you have performed a search for Colorado to Australia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Colorado to Australia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Colorado to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.