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

Air Canada is the most popular carrier operating from Australia to Colorado

What airlines fly to Colorado?

Qantas Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Colorado from Australia according to our data. Qantas Airways is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 4 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

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 18h 43m on average. Another popular route from Australia to Colorado is flying from Brisbane to Denver, which will take roughly 19h. Keep in mind that layovers or delays could extend your travel time.

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 4 operators available for flights from Australia to Colorado as of September 2025.

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.

$472 Cheap Flights from Australia to Colorado in 2025/26

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Find the cheapest flights from Australia to Colorado

Round-trip

One-way

Last minute

Recent round-trip flight deals from Australia to Colorado

2:15 pm - 12:57 amSYD-DEN

27h 42m2 stops

6:30 am - 12:30 pmDEN-SYD

36h 00m2 stops

$757Multiple Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

10:40 am - 2:03 pmSYD-ASE

21h 23m1 stop

1:37 pm - 7:30 amASE-SYD

24h 53m1 stop

$910Delta

Find Deal

Fri, Mar 6 - Tue, Mar 10

9:00 am - 12:37 pmSYD-DEN

21h 37m2 stops

8:45 am - 9:35 amDEN-SYD

30h 50m1 stop

$936Air Canada

Find Deal

Sat, Feb 7 - Wed, Feb 25

9:00 am - 12:37 pmSYD-DEN

21h 37m2 stops

7:05 pm - 6:05 pmDEN-SYD

29h 00m2 stops

$965Air Canada

Find Deal

Sat, Feb 7 - Wed, Feb 25

5:45 pm - 7:15 pmSYD-DEN

19h 30m1 stop

1:00 pm - 7:25 amDEN-SYD

24h 25m1 stop

$1,065Qantas Airways

Find Deal

Sat, Feb 7 - Wed, Feb 25

11:30 am - 2:34 pmMEL-DEN

21h 04m1 stop

5:33 pm - 9:30 amDEN-MEL

21h 57m1 stop

$1,149United Airlines

Find Deal

Fri, Feb 20 - Fri, Feb 27

11:30 am - 2:29 pmMEL-DEN

20h 59m1 stop

1:35 pm - 10:00 amDEN-MEL

26h 25m1 stop

$1,308United Airlines

Find Deal

Wed, Dec 24 - Mon, Jan 19

11:20 am - 4:05 pmSYD-DEN

22h 45m1 stop

12:55 pm - 9:00 amDEN-SYD

26h 05m1 stop

$1,405American Airlines

Find Deal

Tue, Nov 25 - Mon, Dec 15

11:20 am - 7:41 pmSYD-DEN

26h 21m1 stop

11:37 am - 9:00 amDEN-SYD

27h 23m2 stops

$1,447American Airlines

Find Deal

Fri, Dec 26 - Mon, Jan 26

6:05 am - 3:54 pmHBA-DEN

27h 49m2 stops

8:11 pm - 4:05 pmDEN-HBA

25h 54m2 stops

$1,451Qantas Airways

Find Deal

Sun, Dec 7 - Mon, Dec 29

Qantas Airways flights from Australia to Colorado

Our best Qantas Airways deals on Australia to Colorado flight tickets

Qantas Airways

Feb 7

SYD5:45 pmSydney Kingsford Smith

19h 30m

1 stop

DEN7:15 pmDenver Intl

Feb 25

DEN1:00 pmDenver Intl

24h 25m

1 stop

SYD7:25 amSydney Kingsford Smith

$1,065

Find similar

Qantas Airways

Dec 7

HBA6:05 amHobart

27h 49m

2 stops

DEN3:54 pmDenver Intl

Dec 29

DEN8:11 pmDenver Intl

25h 54m

2 stops

HBA4:05 pmHobart

$1,451

Find similar

Qantas Airways

Sep 22

SYD9:10 amSydney Kingsford Smith

17h 58m

1 stop

DEN11:08 amDenver Intl

Oct 5

DEN6:00 amDenver Intl

33h 05m

1 stop

SYD8:05 amSydney Kingsford Smith

$1,741

Find similar

United Airlines flights from Australia to Colorado

Our best United Airlines deals on Australia to Colorado flight tickets

United Airlines

Sep 19

SYD10:20 amSydney Kingsford Smith

22h 20m

2 stops

DEN4:40 pmDenver Intl

Sep 19

DEN7:20 pmDenver Intl

19h 35m

1 stop

SYD6:55 amSydney Kingsford Smith

$954

Find similar

United Airlines

Feb 20

MEL11:30 amMelbourne

21h 04m

1 stop

DEN2:34 pmDenver Intl

Feb 27

DEN5:33 pmDenver Intl

21h 57m

1 stop

MEL9:30 amMelbourne

$1,149

Find similar

United Airlines

Dec 24

MEL11:30 amMelbourne

20h 59m

1 stop

DEN2:29 pmDenver Intl

Jan 19

DEN1:35 pmDenver Intl

26h 25m

1 stop

MEL10:00 amMelbourne

$1,308

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 10/31

2:15 pm-12:57 am

2 stops27h 42m

Denver Intl

Fri 11/7

6:30 am-12:30 pm

2 stops36h 00m

$757

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Fri 3/6

10:40 am-2:03 pm

1 stop21h 23m

Aspen Pitkin County

Tue 3/10

1:37 pm-7:30 am

1 stop24h 53m

$910

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 2/7

9:00 am-12:37 pm

2 stops21h 37m

Denver Intl

Wed 2/25

8:45 am-9:35 am

1 stop30h 50m

$936

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 2/7

9:00 am-12:37 pm

2 stops21h 37m

Denver Intl

Wed 2/25

7:05 pm-6:05 pm

2 stops29h 00m

$965

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 2/7

5:45 pm-7:15 pm

1 stop19h 30m

Denver Intl

Wed 2/25

1:00 pm-7:25 am

1 stop24h 25m

$1,065

MelbourneDenver

MEL - DEN

MELDEN

Melbourne

Fri 2/20

11:30 am-2:34 pm

1 stop21h 04m

Denver Intl

Fri 2/27

5:33 pm-9:30 am

1 stop21h 57m

$1,149

MelbourneDenver

MEL - DEN

MELDEN

Melbourne

Wed 12/24

11:30 am-2:29 pm

1 stop20h 59m

Denver Intl

Mon 1/19

1:35 pm-10:00 am

1 stop26h 25m

$1,308

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 11/25

11:20 am-4:05 pm

1 stop22h 45m

Denver Intl

Mon 12/15

12:55 pm-9:00 am

1 stop26h 05m

$1,405

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 12/26

11:20 am-7:41 pm

1 stop26h 21m

Denver Intl

Mon 1/26

11:37 am-9:00 am

2 stops27h 23m

$1,447

HobartDenver

HBA - DEN

HBADEN

Hobart

Sun 12/7

6:05 am-3:54 pm

2 stops27h 49m

Denver Intl

Mon 12/29

8:11 pm-4:05 pm

2 stops25h 54m

$1,451

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 February is, on average, the cheapest month to fly to Colorado from Australia, with most prices found around $733. The month of March is another great option to travel to Colorado, with average flight prices from Australia averaging around $775.

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

The cheapest day to depart from Australia to Colorado is on a Tuesday when prices can be found for as low as $836. On the other hand, Friday is the most expensive day to depart from Australia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,702.

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

The cheapest time of day to fly to Colorado is in the morning when flights can be purchased for as low as $1,393. In the afternoon is when there is more demand to fly to Colorado, so prices are often more expensive at around $1,394 per ticket.

How far in advance should I book a flight 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 $1,071 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 $914 on momondo.

Can stopping save me money on Australia to Colorado flights?

You could potentially save up to 16% 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

Direct flights	None

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

Search flight deals

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 4 operators available for flights from Australia to Colorado as of September 2025.
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
Qantas Airways	PriceFrom $712	Free Cancellation	Rating 7.5 907 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $775	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Air Canada	PriceFrom $1,015	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
United Airlines	PriceFrom $1,056	Free Cancellation	Rating 7.4 8,926 reviews	Search United 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.