How long is the flight from Colorado to Australia?

Flight times from Colorado to Australia vary, but if you’re flying out of Denver and flying into Sydney (one of the most popular routes), then the duration is 19h 30m on average. Another popular route from Colorado to Australia is flying from Colorado Springs to Sydney, which will take roughly 24h 40m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Australia?

Qantas Airways, United Airlines and Air Canada 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 38% 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.

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

Qantas Airways, Air Canada, and Air New Zealand 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 refresh daily.

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

As of February 2026, 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.

$440 Cheap Flights from Colorado to Australia in 2026

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Find the cheapest flights from Colorado to Australia

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:35 pm - 7:30 am

DEN

SYD

25h 55m

1 stop

1:10 pm - 7:49 pm

SYD

DEN

22h 39m

2 stops

$829Multiple Airlines

Tue, Apr 21 - Wed, Apr 29

6:20 am - 10:25 am

DEN

BNE

35h 05m

2 stops

11:25 am - 11:30 pm

BNE

DEN

29h 05m

2 stops

$831Multiple Airlines

Sun, Feb 22 - Sun, Mar 8

7:25 pm - 7:45 am

DEN

BNE

44h 20m

2 stops

9:45 am - 12:37 pm

BNE

DEN

18h 52m

1 stop

$954Air Canada

Sun, Mar 8 - Sun, Mar 22

4:13 pm - 1:55 pm

DEN

ADL

54h 12m

3 stops

7:00 pm - 12:33 pm

ADL

DEN

33h 03m

2 stops

$1,106Air Canada

Sun, Apr 5 - Sat, Apr 18

8:30 pm - 9:30 am

DEN

ADL

43h 30m

2 stops

2:15 pm - 8:21 am

ADL

DEN

34h 36m

2 stops

$1,224United Airlines

Wed, Feb 25 - Wed, Mar 25

9:20 pm - 9:30 am

DEN

ADL

42h 40m

1 stop

2:15 pm - 4:40 pm

ADL

DEN

18h 55m

1 stop

$1,228United Airlines

Wed, Feb 25 - Wed, Mar 25

8:04 pm - 11:55 am

DEN

ADL

24h 21m

2 stops

5:10 pm - 5:48 pm

ADL

DEN

40h 08m

2 stops

$1,417Qantas Airways

Sun, Apr 5 - Sat, Apr 18

5:42 pm - 10:45 am

DEN

OOL

25h 03m

2 stops

11:55 am - 7:40 pm

OOL

DEN

23h 45m

2 stops

$1,485Air New Zealand

Wed, Apr 15 - Fri, Apr 24

5:42 pm - 10:45 am

DEN

OOL

25h 03m

2 stops

11:55 am - 7:40 pm

OOL

DEN

23h 45m

2 stops

$1,498Air New Zealand

Wed, Apr 15 - Sat, Apr 25

7:44 pm - 1:40 pm

DEN

ADL

25h 26m

2 stops

6:00 am - 12:29 pm

ADL

DEN

22h 59m

2 stops

$1,521Qantas Airways

Tue, Mar 24 - Tue, Mar 31

United Airlines flights from Colorado to Australia

Our best United Airlines deals on Colorado to Australia flight tickets

United Airlines

Mar 8

DEN11:35 amDenver Intl

26h 55m

1 stop

BNE6:30 amBrisbane

Mar 22

BNE10:40 amBrisbane

25h 34m

1 stop

DEN8:14 pmDenver Intl

$1,169

United Airlines

Jun 14

DEN11:35 amDenver Intl

26h 55m

2 stops

BNE6:30 amBrisbane

Jun 28

BNE10:30 amBrisbane

25h 09m

2 stops

DEN7:39 pmDenver Intl

$1,174

United Airlines

Jul 8

DEN10:00 amDenver Intl

28h 30m

2 stops

BNE6:30 amBrisbane

Jul 26

BNE10:30 amBrisbane

21h 44m

2 stops

DEN4:14 pmDenver Intl

$1,175

Air New Zealand flights from Colorado to Australia

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

Air New Zealand

Mar 8

DEN8:05 amDenver Intl

54h 55m

2 stops

BNE7:00 amBrisbane

Mar 15

BNE9:45 amBrisbane

39h 09m

2 stops

DEN8:54 amDenver Intl

$1,038

Air New Zealand

Apr 15

DEN5:42 pmDenver Intl

25h 03m

2 stops

OOL10:45 amCoolangatta Gold Coast

Apr 24

OOL11:55 amCoolangatta Gold Coast

23h 45m

2 stops

DEN7:40 pmDenver Intl

$1,485

Air New Zealand

Apr 15

DEN1:25 pmDenver Intl

29h 20m

2 stops

OOL10:45 amCoolangatta Gold Coast

Apr 25

OOL9:20 amCoolangatta Gold Coast

42h 58m

2 stops

DEN12:18 pmDenver Intl

$1,507

Fly from

Fly to

Route

Depart

Return

Price

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 4/21

1:35 pm-7:30 am

1 stop25h 55m

Sydney Kingsford Smith

Wed 4/29

1:10 pm-7:49 pm

2 stops22h 39m

$829

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 2/22

6:20 am-10:25 am

2 stops35h 05m

Brisbane

Sun 3/8

11:25 am-11:30 pm

2 stops29h 05m

$831

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 3/8

7:25 pm-7:45 am

2 stops44h 20m

Brisbane

Sun 3/22

9:45 am-12:37 pm

1 stop18h 52m

$954

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Sun 4/5

4:13 pm-1:55 pm

3 stops54h 12m

Adelaide

Sat 4/18

7:00 pm-12:33 pm

2 stops33h 03m

$1,106

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Wed 2/25

8:30 pm-9:30 am

2 stops43h 30m

Adelaide

Wed 3/25

2:15 pm-8:21 am

2 stops34h 36m

$1,224

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Wed 2/25

9:20 pm-9:30 am

1 stop42h 40m

Adelaide

Wed 3/25

2:15 pm-4:40 pm

1 stop18h 55m

$1,228

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Sun 4/5

8:04 pm-11:55 am

2 stops24h 21m

Adelaide

Sat 4/18

5:10 pm-5:48 pm

2 stops40h 08m

$1,417

DenverCoolangatta

DEN - OOL

DENOOL

Denver Intl

Wed 4/15

5:42 pm-10:45 am

2 stops25h 03m

Coolangatta Gold Coast

Fri 4/24

11:55 am-7:40 pm

2 stops23h 45m

$1,485

DenverCoolangatta

DEN - OOL

DENOOL

Denver Intl

Wed 4/15

5:42 pm-10:45 am

2 stops25h 03m

Coolangatta Gold Coast

Sat 4/25

11:55 am-7:40 pm

2 stops23h 45m

$1,498

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Tue 3/24

7:44 pm-1:40 pm

2 stops25h 26m

Adelaide

Tue 3/31

6:00 am-12:29 pm

2 stops22h 59m

$1,521

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 $866. If you aren’t able to travel during the month of April, then book flights to Australia from Colorado during March instead. Flights to Australia in March, while not as cheap as those in April, still average around $905.

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 $1,139 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 $1,004 on momondo.

Can stopping save me money on Colorado to Australia flights?

You could potentially save up to 24% 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

Fastest flight time	19h 00m
Direct flights	None

The fastest flight from Colorado to Australia takes 19h 00m

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 February 2026, 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
Delta	PriceFrom $157	Free Cancellation	Rating 7.9 8,175 reviews	Search Delta flights
Fiji Airways	PriceFrom $684	Free Cancellation	Rating 8.0 225 reviews	Search Fiji Airways flights
American Airlines	PriceFrom $724	Free Cancellation	Rating 7.2 11,258 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $745	Free Cancellation	Rating 8.0 11,866 reviews	Search Alaska Airlines flights
Qantas Airways	PriceFrom $765	Free Cancellation	Rating 7.5 988 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $827	Free Cancellation	Rating 7.1 10,699 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $834	Free Cancellation	Rating 8.0 582 reviews	Search Air New Zealand flights
United Airlines	PriceFrom $853	Free Cancellation	Rating 7.4 9,262 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.

An easier way to manage your Australia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities

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Complete your trip

Feeling lucky

Popular cities in Australia

Flights to Sydneyfrom $674

Flights to Melbournefrom $700

Flights to Brisbanefrom $663

Flights to Perthfrom $973

Flights to Adelaidefrom $758

Flights to Cairnsfrom $712

Flights to Coolangattafrom $871

Flights to Hobartfrom $976

Flights to Darwinfrom $1,155

Flights to Canberrafrom $733

Flights to Maroochydorefrom $1,121

Flights to Launcestonfrom $1,214

Cheap flights from Colorado to Australia from $440

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Australia departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Colorado to Australia

Cheap round-trip flights

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United Airlines flights from Colorado to Australia

Our best United Airlines deals on Colorado to Australia flight tickets

Air New Zealand flights from Colorado to Australia

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

momondo Fare Finder

Use the filters below to find and compare flights from Colorado to Australia that are best for you.

See travel insights to Australia from

How to get the cheapest flight ticket from Colorado to Australia

What is the cheapest month to fly to Australia?

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

Can stopping save me money on Colorado to Australia flights?

You could potentially save up to 24% on your flight if you consider stops on a Colorado to Australia flight.

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

Qantas Airways, Air Canada, and Air New Zealand are the most popular carriers operating from Colorado to Australia

What airlines fly to Australia?

How long is the flight from Colorado to Australia?

Cheap Colorado to Australia flight deals and tips

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

Fastest flight time

Direct flights

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

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

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

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

Best airlines flying from Colorado to Australia

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

Why use momondo?

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

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

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

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

An easier way to manage your Australia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Popular cities in Australia

Popular flights according to clicks in the last 7 days on momondo

Colorado flight routes

According to popular flight searches on momondo this year

Australia flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Australia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Australia

List of cabin classes available on flights landing in Australia. Availability may vary depending on flight origin and airline.

Complete your trip to Australia

Explore popular destinations other users love

According to popular flight searches on momondo this year