How long is the flight from Australia to Colorado?

Flight times from Australia to Colorado vary, but if you’re flying out of Sydney and flying into Denver (one of the most popular routes), then the duration is 21h 38m on average. Another popular route from Australia to Colorado is flying from Brisbane to Denver, which will take roughly 22h 53m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Colorado?

Air Canada, American Airlines and United Airlines are the top three most popular airlines that fly to Colorado from Australia according to our data. Air Canada is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 3 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

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

Delta, American Airlines, and Singapore Airlines are the most popular carriers operating from Australia to Colorado

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

Prices for flights from Australia to Colorado are updated daily.

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

There are 3 operators available for flights from Australia to Colorado as of July 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Australia to Colorado.

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

The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$379 Cheap Flights from Australia to Colorado in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Colorado

Round-trip

One-way

Last minute

Recent round-trip flight deals from Australia to Colorado

Enter your travel dates to find the best prices.

11:20 am - 4:24 pm

SYD

COS

23h 04m

2 stops

11:34 am - 9:35 am

COS

SYD

28h 01m

2 stops

$745Air Canada

Thu, Nov 5 - Mon, Nov 9

11:50 pm - 12:44 am

BNE

DEN

40h 54m

2 stops

1:10 pm - 10:25 am

DEN

BNE

29h 15m

2 stops

$831Multiple Airlines

Sat, Sep 5 - Thu, Sep 10

11:20 am - 12:38 pm

SYD

DEN

19h 18m

1 stop

7:00 pm - 2:40 pm

DEN

SYD

25h 40m

2 stops

$860Multiple Airlines

Thu, Jan 21 - Sun, Jan 31

11:20 am - 6:04 pm

SYD

DEN

24h 44m

2 stops

7:00 pm - 2:40 pm

DEN

SYD

25h 40m

2 stops

$860Multiple Airlines

Thu, Jan 21 - Sun, Jan 31

10:20 am - 4:36 pm

SYD

DEN

23h 16m

2 stops

3:53 pm - 4:40 pm

DEN

SYD

30h 47m

2 stops

$866Air Canada

Wed, Oct 28 - Sun, Nov 1

10:20 am - 4:26 pm

SYD

DEN

23h 06m

1 stop

7:00 pm - 2:40 pm

DEN

SYD

25h 40m

2 stops

$866Air Canada

Wed, Oct 28 - Sun, Nov 1

9:10 am - 8:13 pm

SYD

ASE

27h 03m

2 stops

12:56 pm - 8:05 am

ASE

SYD

26h 09m

2 stops

$970American Airlines

Wed, Sep 30 - Mon, Oct 12

9:30 am - 1:31 pm

SYD

ASE

20h 01m

1 stop

8:30 am - 8:00 am

ASE

SYD

30h 30m

2 stops

$988United Airlines

Wed, Sep 30 - Mon, Oct 12

9:20 am - 11:19 am

SYD

COS

19h 59m

1 stop

12:02 pm - 7:00 am

COS

SYD

48h 58m

2 stops

$989United Airlines

Thu, Nov 5 - Mon, Nov 9

11:20 am - 8:26 pm

SYD

ASE

51h 06m

2 stops

7:30 am - 6:55 am

ASE

SYD

29h 25m

1 stop

$1,066American Airlines

Sun, Nov 22 - Wed, Nov 25

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Singapore Airlines flights from Australia to Colorado

Our best Singapore Airlines deals on Australia to Colorado flight tickets

Singapore Airlines

Sep 22

PER1:45 pmPerth

44h 00m

2 stops

DEN7:45 pmDenver Intl

Oct 13

DEN8:00 amDenver Intl

40h 40m

3 stops

PER2:40 pmPerth

$2,473

Singapore Airlines

Aug 10

BNE6:10 pmBrisbane

41h 35m

3 stops

DEN7:45 pmDenver Intl

Aug 22

DEN8:00 amDenver Intl

40h 55m

3 stops

BNE4:55 pmBrisbane

$4,080

Air New Zealand flights from Australia to Colorado

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

Air New Zealand

Oct 14

BNE11:20 amBrisbane

27h 09m

2 stops

DEN10:29 pmDenver Intl

Oct 31

DEN4:05 pmDenver Intl

25h 55m

2 stops

BNE10:00 amBrisbane

$1,116

Air New Zealand

Sep 9

SYD9:55 amSydney Kingsford Smith

26h 31m

2 stops

ASE8:26 pmAspen Pitkin County

Sep 16

ASE8:05 amAspen Pitkin County

42h 05m

2 stops

SYD6:10 pmSydney Kingsford Smith

$1,119

Air New Zealand

Sep 1

MEL12:10 pmMelbourne

23h 35m

2 stops

DEN7:45 pmDenver Intl

Sep 15

DEN1:30 pmDenver Intl

29h 25m

2 stops

MEL10:55 amMelbourne

$1,135

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyColorado Springs

SYD - COS

SYDCOS

Sydney Kingsford Smith

Thu 11/5

11:20 am-4:24 pm

2 stops23h 04m

Colorado Springs

Mon 11/9

11:34 am-9:35 am

2 stops28h 01m

$745

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Sat 9/5

11:50 pm-12:44 am

2 stops40h 54m

Denver Intl

Thu 9/10

1:10 pm-10:25 am

2 stops29h 15m

$831

Quickest round-trip

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 1/21

11:20 am-12:38 pm

1 stop19h 18m

Denver Intl

Sun 1/31

7:00 pm-2:40 pm

2 stops25h 40m

$860

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 1/21

11:20 am-6:04 pm

2 stops24h 44m

Denver Intl

Sun 1/31

7:00 pm-2:40 pm

2 stops25h 40m

$860

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 10/28

10:20 am-4:36 pm

2 stops23h 16m

Denver Intl

Sun 11/1

3:53 pm-4:40 pm

2 stops30h 47m

$866

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 10/28

10:20 am-4:26 pm

1 stop23h 06m

Denver Intl

Sun 11/1

7:00 pm-2:40 pm

2 stops25h 40m

$866

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Wed 9/30

9:10 am-8:13 pm

2 stops27h 03m

Aspen Pitkin County

Mon 10/12

12:56 pm-8:05 am

2 stops26h 09m

$970

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Wed 9/30

9:30 am-1:31 pm

1 stop20h 01m

Aspen Pitkin County

Mon 10/12

8:30 am-8:00 am

2 stops30h 30m

$988

SydneyColorado Springs

SYD - COS

SYDCOS

Sydney Kingsford Smith

Thu 11/5

9:20 am-11:19 am

1 stop19h 59m

Colorado Springs

Mon 11/9

12:02 pm-7:00 am

2 stops48h 58m

$989

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Sun 11/22

11:20 am-8:26 pm

2 stops51h 06m

Aspen Pitkin County

Wed 11/25

7:30 am-6:55 am

1 stop29h 25m

$1,066

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Australia to Colorado

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 Colorado?

The month of March is, on average, the cheapest month to fly to Colorado from Australia, with most prices found around $1,066. The month of October is another great option to travel to Colorado, with average flight prices from Australia averaging around $1,078.

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

You are more likely to see cheaper flights to Colorado from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $1,257 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Australia for as low as $998 on momondo.

Can stopping save me money on Australia to Colorado flights?

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

Cheap Australia to Colorado flight deals and tips

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

Fastest flight time	18h 11m
Direct flights	None

The fastest flight from Australia to Colorado takes 18h 11m

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

Search flight deals

Frequently asked questions about flying from Australia to Colorado

When did momondo last update prices for flights from Australia to Colorado?
Prices for flights from Australia to Colorado are updated daily.
How many operators does momondo search for flights from Australia to Colorado?
There are 3 operators available for flights from Australia to Colorado as of July 2026.
How old do you have to be to fly from Australia to Colorado?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Australia to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Australia to Colorado

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $889	Free Cancellation	Rating 7.4 10,049 reviews	Search United Airlines flights
Air Canada	PriceFrom $907	Free Cancellation	Rating 7.1 11,402 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,687	Free Cancellation	Rating 7.1 11,837 reviews	Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Australia to Colorado. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Australia to Colorado with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Australia to Colorado 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 Australia to Colorado right now. Can momondo alert me if prices change?

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