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 Colorado Springs (a popular airport in Colorado) to Sydney (the most popular airport in Australia), then the flight time is 23h 15m on average. If you fly from Aspen (another popular airport in Colorado) to Sydney, then the average flight time is 23h 30m.

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

Air Canada, Fiji Airways, and Delta are the most popular carriers operating from Colorado to Australia

Which airlines fly to Australia?

Qantas Airways, American Airlines and United Airlines are the top three most popular airlines that fly to Australia from Colorado according to our data. Qantas Airways is the first choice among our users, with 66% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 3 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

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 August 2025, there are 3 operators 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.

$687 Cheap Flights from Colorado to Australia in 2025

1 adult

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Find the cheapest flights from Colorado to Australia

Round-trip

One-way

Last minute

Cheap return flights

15:43 - 10:35DEN-BNE

26h 52m2 stops

11:35 - 00:36BNE-DEN

29h 01m2 stops

$1,378

Find Deal

Fri, 19 Sep - Fri, 26 Sep

18:34 - 10:35DEN-BNE

24h 01m2 stops

11:35 - 00:36BNE-DEN

29h 01m2 stops

$1,382

Find Deal

Fri, 19 Sep - Fri, 26 Sep

11:49 - 09:35DEN-SYD

27h 46m1 stop

11:20 - 12:37SYD-DEN

19h 17m1 stop

$1,401Air Canada

Find Deal

Tue, 11 Nov - Tue, 25 Nov

15:53 - 09:35DEN-SYD

23h 42m1 stop

08:00 - 12:23SYD-DEN

22h 23m2 stops

$1,422Air Canada

Find Deal

Sun, 16 Nov - Sun, 30 Nov

21:28 - 10:00DEN-BNE

44h 32m2 stops

11:15 - 22:27BNE-DEN

27h 12m2 stops

$1,739Air New Zealand

Find Deal

Sat, 11 Oct - Mon, 20 Oct

08:02 - 08:30DEN-BNE

32h 28m2 stops

19:35 - 19:40BNE-DEN

40h 05m2 stops

$1,746Air New Zealand

Find Deal

Sun, 7 Sep - Sun, 21 Sep

06:00 - 22:40DEN-PER

50h 40m2 stops

09:15 - 11:29PER-DEN

40h 14m2 stops

$1,918Cathay Pacific

Find Deal

Sun, 24 Aug - Sun, 31 Aug

07:21 - 06:55DEN-PER

33h 34m2 stops

08:30 - 20:13PER-DEN

50h 43m2 stops

$1,972Cathay Pacific

Find Deal

Fri, 31 Oct - Sun, 23 Nov

11:40 - 06:45DEN-MEL

27h 05m1 stop

12:00 - 15:49MEL-DEN

21h 49m1 stop

$2,020Qantas Airways

Find Deal

Wed, 1 Oct - Tue, 16 Dec

13:00 - 09:30DEN-MEL

26h 30m1 stop

12:00 - 19:15MEL-DEN

25h 15m1 stop

$2,021Qantas Airways

Find Deal

Tue, 20 Jan - Sun, 1 Feb

Air Canada flights from Colorado to Australia

Our best Air Canada deals on Colorado to Australia flight tickets

Air Canada

11 Nov

DEN11:49Denver Intl

27h 46m

1 stop

SYD09:35Sydney Kingsford Smith

25 Nov

SYD11:20Sydney Kingsford Smith

19h 17m

1 stop

DEN12:37Denver Intl

$1,401

Find similar

Air Canada

16 Nov

DEN15:53Denver Intl

23h 42m

1 stop

SYD09:35Sydney Kingsford Smith

30 Nov

SYD08:00Sydney Kingsford Smith

22h 23m

2 stops

DEN12:23Denver Intl

$1,422

Find similar

Air Canada

16 Nov

DEN19:05Denver Intl

25h 35m

2 stops

SYD14:40Sydney Kingsford Smith

30 Nov

SYD09:00Sydney Kingsford Smith

21h 23m

2 stops

DEN12:23Denver Intl

$1,450

Find similar

Air New Zealand flights from Colorado to Australia

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

Air New Zealand

11 Oct

DEN21:28Denver Intl

44h 32m

2 stops

BNE10:00Brisbane

20 Oct

BNE11:15Brisbane

27h 12m

2 stops

DEN22:27Denver Intl

$1,739

Find similar

Air New Zealand

7 Sept

DEN08:02Denver Intl

32h 28m

2 stops

BNE08:30Brisbane

21 Sept

BNE19:35Brisbane

40h 05m

2 stops

DEN19:40Denver Intl

$1,746

Find similar

Air New Zealand

9 Sept

DEN10:15Denver Intl

30h 30m

2 stops

SYD08:45Sydney Kingsford Smith

14 Dec

SYD11:45Sydney Kingsford Smith

36h 42m

2 stops

DEN06:27Denver Intl

$1,747

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Fri 19/9

15:43-10:35

2 stops26h 52m

Brisbane

Fri 26/9

11:35-00:36

2 stops29h 01m

$1,378

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Fri 19/9

18:34-10:35

2 stops24h 01m

Brisbane

Fri 26/9

11:35-00:36

2 stops29h 01m

$1,382

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 11/11

11:49-09:35

1 stop27h 46m

Sydney Kingsford Smith

Tue 25/11

11:20-12:37

1 stop19h 17m

$1,401

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 16/11

15:53-09:35

1 stop23h 42m

Sydney Kingsford Smith

Sun 30/11

08:00-12:23

2 stops22h 23m

$1,422

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sat 11/10

21:28-10:00

2 stops44h 32m

Brisbane

Mon 20/10

11:15-22:27

2 stops27h 12m

$1,739

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 7/9

08:02-08:30

2 stops32h 28m

Brisbane

Sun 21/9

19:35-19:40

2 stops40h 05m

$1,746

DenverPerth

DEN - PER

DENPER

Denver Intl

Sun 24/8

06:00-22:40

2 stops50h 40m

Perth

Sun 31/8

09:15-11:29

2 stops40h 14m

$1,918

DenverPerth

DEN - PER

DENPER

Denver Intl

Fri 31/10

07:21-06:55

2 stops33h 34m

Perth

Sun 23/11

08:30-20:13

2 stops50h 43m

$1,972

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Wed 1/10

11:40-06:45

1 stop27h 05m

Melbourne

Tue 16/12

12:00-15:49

1 stop21h 49m

$2,020

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Tue 20/1

13:00-09:30

1 stop26h 30m

Melbourne

Sun 1/2

12:00-19:15

1 stop25h 15m

$2,021

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 $1,342. If you don’t want to visit Australia in April, then you should wait until May to fly from Colorado, when ticket prices are also cheap, with an average price of $1,370.

What is the cheapest day to depart on your flight to Australia?

On average, the least expensive day to fly to Australia from Colorado is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,752. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Colorado to Australia on a Tuesday will generally be more expensive and average around $2,380. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Australia?

According to our data, the cheapest time of day to fly to Australia is at midday. momondo users have found flights departing from Colorado to Australia at midday for as low as $1,443. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the evening, with an average ticket price of $2,150. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight 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 $1,641 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 $1,416 on momondo.

Can stopping save me money on Colorado to Australia flights?

You could potentially save up to 15% 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	$687
Fastest flight time	19h 15m
Direct flights	None
Airports in Australia	5 airports

The best one-way flight to Australia from Colorado in the past 72 hours is $687. The best return flight deal from Colorado to Australia found on momondo in the last 72 hours is $1,378.

The fastest flight from Colorado to Australia takes 19h 15m

There are no direct flights from Colorado to Australia. Popular non-direct routes for this connection are Denver Intl Airport - Melbourne Airport, Denver Intl Airport - Adelaide Airport and Denver Intl Airport - Sydney Kingsford Smith Airport.

There are 5 airports near Australia: Melbourne Avalon (AVV), Melbourne (MEL), Brisbane (BNE), Adelaide (ADL), Sydney Kingsford Smith (SYD)

Search flight deals

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 August 2025, there are 3 operators 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
American Airlines	PriceFrom $307	Free cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $476	Free cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,266	Free cancellation	Rating 7.5 887 reviews	Search Qantas Airways 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.