How long is the flight from Colorado to Australia?

Flight times from Colorado to Australia vary, but if you’re flying out of Colorado Springs and flying into Sydney (one of the most popular routes), then the duration is 21h 42m on average. Another popular route from Colorado to Australia is flying from Denver to Sydney, which will take roughly 23h 22m. Keep in mind that layovers or delays could extend your travel time.

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

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

What 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 39% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 8 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 refresh daily.

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

As of November 2025, there are 8 operators available to choose from for flights from Colorado to Australia.

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

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 Colorado to Australia.

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

The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$530 Cheap Flights from Colorado to Australia in 2025/26

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Find the cheapest flights from Colorado to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:21 am - 7:05 amDEN-BNE

27h 44m2 stops

8:45 pm - 12:33 pmBNE-DEN

31h 48m2 stops

$783Multiple Airlines

Find Deal

Sun, Apr 5 - Sat, Apr 18

7:10 am - 10:20 amDEN-BNE

34h 10m2 stops

11:50 am - 6:17 pmBNE-DEN

23h 27m2 stops

$891Multiple Airlines

Find Deal

Mon, Feb 2 - Sat, Feb 7

7:05 pm - 12:35 pmDEN-MEL

24h 30m2 stops

6:40 am - 12:33 pmMEL-DEN

22h 53m2 stops

$1,147Air Canada

Find Deal

Wed, Mar 11 - Wed, Apr 1

7:05 pm - 2:15 pmDEN-MEL

25h 10m2 stops

7:10 am - 12:37 pmMEL-DEN

22h 27m2 stops

$1,148Air Canada

Find Deal

Sat, Feb 28 - Thu, Mar 12

8:30 pm - 9:30 amDEN-ADL

43h 30m2 stops

2:55 pm - 10:44 pmADL-DEN

25h 19m1 stop

$1,215United Airlines

Find Deal

Fri, Feb 13 - Mon, Mar 2

9:20 pm - 9:30 amDEN-ADL

42h 40m1 stop

2:55 pm - 12:58 amADL-DEN

27h 33m1 stop

$1,219United Airlines

Find Deal

Fri, Feb 13 - Mon, Mar 2

5:29 pm - 12:35 pmDEN-SYD

25h 06m2 stops

2:00 pm - 6:13 pmSYD-DEN

22h 13m2 stops

$1,228Fiji Airways

Find Deal

Thu, Feb 5 - Tue, Feb 10

4:05 pm - 9:55 amDEN-BNE

24h 50m2 stops

11:10 am - 6:11 pmBNE-DEN

24h 01m2 stops

$1,244Air New Zealand

Find Deal

Tue, Nov 25 - Thu, Dec 25

11:30 am - 8:45 amDEN-SYD

27h 15m2 stops

1:55 pm - 6:19 pmSYD-DEN

22h 24m2 stops

$1,248Air New Zealand

Find Deal

Sat, Dec 6 - Sun, Dec 21

5:29 pm - 12:25 pmDEN-MEL

24h 56m2 stops

1:45 pm - 6:13 pmMEL-DEN

22h 28m2 stops

$1,282Fiji Airways

Find Deal

Thu, Jan 29 - Tue, Feb 10

Fiji Airways flights from Colorado to Australia

Our best Fiji Airways deals on Colorado to Australia flight tickets

Fiji Airways

Feb 5

DEN5:29 pmDenver Intl

25h 06m

2 stops

SYD12:35 pmSydney Kingsford Smith

Feb 10

SYD2:00 pmSydney Kingsford Smith

22h 13m

2 stops

DEN6:13 pmDenver Intl

$1,228

Find similar

Fiji Airways

Jan 29

DEN5:29 pmDenver Intl

24h 56m

2 stops

MEL12:25 pmMelbourne

Feb 10

MEL1:45 pmMelbourne

22h 28m

2 stops

DEN6:13 pmDenver Intl

$1,282

Find similar

Fiji Airways

Jan 31

DEN5:29 pmDenver Intl

24h 56m

2 stops

MEL12:25 pmMelbourne

May 2

MEL1:30 pmMelbourne

22h 23m

2 stops

DEN7:53 pmDenver Intl

$1,381

Find similar

Qantas Airways flights from Colorado to Australia

Our best Qantas Airways deals on Colorado to Australia flight tickets

Qantas Airways

Jan 23

DEN7:23 pmDenver Intl

19h 37m

1 stop

SYD9:00 amSydney Kingsford Smith

Feb 4

SYD5:45 pmSydney Kingsford Smith

19h 08m

1 stop

DEN6:53 pmDenver Intl

$1,280

Find similar

Qantas Airways

Jan 29

DEN7:23 pmDenver Intl

20h 07m

1 stop

MEL9:30 amMelbourne

Apr 30

MEL9:45 amMelbourne

22h 19m

1 stop

DEN4:04 pmDenver Intl

$1,285

Find similar

Qantas Airways

Jan 17

DEN7:23 pmDenver Intl

19h 37m

1 stop

SYD9:00 amSydney Kingsford Smith

Feb 10

SYD11:20 amSydney Kingsford Smith

18h 58m

1 stop

DEN12:18 pmDenver Intl

$1,299

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 4/5

11:21 am-7:05 am

2 stops27h 44m

Brisbane

Sat 4/18

8:45 pm-12:33 pm

2 stops31h 48m

$783

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Mon 2/2

7:10 am-10:20 am

2 stops34h 10m

Brisbane

Sat 2/7

11:50 am-6:17 pm

2 stops23h 27m

$891

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Wed 3/11

7:05 pm-12:35 pm

2 stops24h 30m

Melbourne

Wed 4/1

6:40 am-12:33 pm

2 stops22h 53m

$1,147

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Sat 2/28

7:05 pm-2:15 pm

2 stops25h 10m

Melbourne

Thu 3/12

7:10 am-12:37 pm

2 stops22h 27m

$1,148

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Fri 2/13

8:30 pm-9:30 am

2 stops43h 30m

Adelaide

Mon 3/2

2:55 pm-10:44 pm

1 stop25h 19m

$1,215

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Fri 2/13

9:20 pm-9:30 am

1 stop42h 40m

Adelaide

Mon 3/2

2:55 pm-12:58 am

1 stop27h 33m

$1,219

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 2/5

5:29 pm-12:35 pm

2 stops25h 06m

Sydney Kingsford Smith

Tue 2/10

2:00 pm-6:13 pm

2 stops22h 13m

$1,228

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Tue 11/25

4:05 pm-9:55 am

2 stops24h 50m

Brisbane

Thu 12/25

11:10 am-6:11 pm

2 stops24h 01m

$1,244

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 12/6

11:30 am-8:45 am

2 stops27h 15m

Sydney Kingsford Smith

Sun 12/21

1:55 pm-6:19 pm

2 stops22h 24m

$1,248

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Thu 1/29

5:29 pm-12:25 pm

2 stops24h 56m

Melbourne

Tue 2/10

1:45 pm-6:13 pm

2 stops22h 28m

$1,282

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 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?

The month of April is, on average, the cheapest month to fly to Australia from Colorado, with most prices found around $864. If you aren’t able to travel during the month of April, then book flights to Australia from Colorado during May instead. Flights to Australia in May, while not as cheap as those in April, still average around $864.

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

The cheapest day to depart from Colorado to Australia is on a Tuesday. Travelers who choose to depart for Australia on a Tuesday will often find tickets for as low as $1,197. On the other hand, Thursday is the most expensive day to depart from Colorado because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,362.

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

Flying to Australia from Colorado at noon is the least expensive time of day to depart. momondo users have found prices as low as $933 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,292 on average. Flights to Australia from Colorado in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,029 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Colorado for as low as $906 on momondo.

Can stopping save me money on Colorado to Australia flights?

You could potentially save up to 23% 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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Colorado to Australia?
Prices for flights from Colorado to Australia refresh daily.
How many operators does momondo search for flights from Colorado to Australia?
As of November 2025, there are 8 operators available to choose from for flights from Colorado to Australia.
How old do you have to be to fly from Colorado to Australia?
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 Colorado to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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
Qantas Airways	PriceFrom $645	Free Cancellation	Rating 7.5 930 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $693	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $745	Free Cancellation	Rating 8.0 11,259 reviews	Search Alaska Airlines flights
Delta	PriceFrom $830	Free Cancellation	Rating 7.9 8,003 reviews	Search Delta flights
Air New Zealand	PriceFrom $834	Free Cancellation	Rating 8.0 525 reviews	Search Air New Zealand flights
Air Canada	PriceFrom $1,009	Free Cancellation	Rating 7.1 10,429 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $1,159	Free Cancellation	Rating 8.1 209 reviews	Search Fiji Airways flights
United Airlines	PriceFrom $1,260	Free Cancellation	Rating 7.4 9,011 reviews	Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to Australia for you.

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 all potential Colorado to Australia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.