What airlines fly to Australia?

United Airlines, Qantas Airways and Air New Zealand are the top three most popular airlines that fly to Australia from Colorado according to our data. United Airlines is the first choice among our users, with 36% 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?

Fiji Airways is the most popular carrier operating from Colorado to Australia

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 21h 48m. Keep in mind that layovers or delays could extend your travel time.

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 March 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.

$410 Cheap Flights from Colorado to Australia in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

7:20 am - 11:50 am

DEN

SYD

36h 30m

2 stops

1:15 pm - 8:06 pm

SYD

DEN

22h 51m

2 stops

$863Multiple Airlines

Tue, May 26 - Tue, Jun 2

7:00 am - 11:50 am

DEN

SYD

36h 50m

2 stops

6:00 am - 12:38 am

SYD

DEN

34h 38m

2 stops

$875Multiple Airlines

Thu, May 7 - Thu, May 14

6:00 am - 10:10 pm

DEN

SYD

48h 10m

2 stops

6:00 am - 12:38 am

SYD

DEN

34h 38m

2 stops

$883Multiple Airlines

Mon, May 4 - Fri, May 8

9:10 am - 7:05 am

DEN

BNE

29h 55m

1 stop

10:00 am - 8:45 am

BNE

DEN

38h 45m

2 stops

$942Air Canada

Wed, May 13 - Wed, May 27

11:20 am - 7:05 am

DEN

BNE

27h 45m

2 stops

10:00 am - 8:45 am

BNE

DEN

38h 45m

2 stops

$943Air Canada

Wed, May 13 - Wed, May 27

6:30 am - 9:00 am

DEN

MEL

34h 30m

2 stops

9:30 pm - 6:10 pm

MEL

DEN

36h 40m

2 stops

$1,190China Eastern

Mon, Aug 10 - Tue, Aug 25

6:30 am - 9:00 am

DEN

MEL

34h 30m

2 stops

9:30 pm - 6:10 pm

MEL

DEN

36h 40m

2 stops

$1,192China Eastern

Mon, Aug 10 - Tue, Aug 25

4:21 pm - 7:20 pm

DEN

MEL

34h 59m

2 stops

7:30 am - 7:39 pm

MEL

DEN

28h 09m

2 stops

$1,198Fiji Airways

Sat, Aug 8 - Sat, Aug 22

8:00 am - 11:55 am

DEN

PER

37h 55m

2 stops

10:45 pm - 11:59 pm

PER

DEN

39h 14m

2 stops

$1,659Qatar Airways

Thu, Apr 23 - Thu, Apr 30

8:00 am - 11:55 am

DEN

PER

37h 55m

2 stops

10:45 pm - 11:01 pm

PER

DEN

38h 16m

2 stops

$1,701Qatar Airways

Wed, May 6 - Wed, May 13

Air Canada flights from Colorado to Australia

Our best Air Canada deals on Colorado to Australia flight tickets

Air Canada

May 13

DEN9:10 amDenver Intl

29h 55m

1 stop

BNE7:05 amBrisbane

May 27

BNE10:00 amBrisbane

38h 45m

2 stops

DEN8:45 amDenver Intl

$942

Air Canada

May 13

DEN11:20 amDenver Intl

27h 45m

2 stops

BNE7:05 amBrisbane

May 27

BNE10:00 amBrisbane

38h 45m

2 stops

DEN8:45 amDenver Intl

$943

Air Canada

May 13

DEN7:50 pmDenver Intl

19h 15m

1 stop

BNE7:05 amBrisbane

May 27

BNE10:00 amBrisbane

23h 00m

1 stop

DEN5:00 pmDenver Intl

$956

Turkish Airlines flights from Colorado to Australia

Our best Turkish Airlines deals on Colorado to Australia flight tickets

Turkish Airlines

May 10

DEN8:25 pmDenver Intl

55h 15m

2 stops

MEL7:40 pmMelbourne

May 23

MEL9:35 pmMelbourne

36h 50m

2 stops

DEN6:25 pmDenver Intl

$1,390

Turkish Airlines

Apr 4

DEN8:25 pmDenver Intl

54h 45m

2 stops

SYD7:10 pmSydney Kingsford Smith

May 1

SYD9:05 pmSydney Kingsford Smith

37h 20m

2 stops

DEN6:25 pmDenver Intl

$1,511

Turkish Airlines

Apr 2

DEN8:25 pmDenver Intl

54h 45m

2 stops

SYD8:10 pmSydney Kingsford Smith

May 1

SYD9:05 pmSydney Kingsford Smith

37h 20m

2 stops

DEN6:25 pmDenver Intl

$1,561

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 5/26

7:20 am-11:50 am

2 stops36h 30m

Sydney Kingsford Smith

Tue 6/2

1:15 pm-8:06 pm

2 stops22h 51m

$863

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 5/7

7:00 am-11:50 am

2 stops36h 50m

Sydney Kingsford Smith

Thu 5/14

6:00 am-12:38 am

2 stops34h 38m

$875

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 5/4

6:00 am-10:10 pm

2 stops48h 10m

Sydney Kingsford Smith

Fri 5/8

6:00 am-12:38 am

2 stops34h 38m

$883

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Wed 5/13

9:10 am-7:05 am

1 stop29h 55m

Brisbane

Wed 5/27

10:00 am-8:45 am

2 stops38h 45m

$942

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Wed 5/13

11:20 am-7:05 am

2 stops27h 45m

Brisbane

Wed 5/27

10:00 am-8:45 am

2 stops38h 45m

$943

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Mon 8/10

6:30 am-9:00 am

2 stops34h 30m

Melbourne

Tue 8/25

9:30 pm-6:10 pm

2 stops36h 40m

$1,190

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Mon 8/10

6:30 am-9:00 am

2 stops34h 30m

Melbourne

Tue 8/25

9:30 pm-6:10 pm

2 stops36h 40m

$1,192

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Sat 8/8

4:21 pm-7:20 pm

2 stops34h 59m

Melbourne

Sat 8/22

7:30 am-7:39 pm

2 stops28h 09m

$1,198

DenverPerth

DEN - PER

DENPER

Denver Intl

Thu 4/23

8:00 am-11:55 am

2 stops37h 55m

Perth

Thu 4/30

10:45 pm-11:59 pm

2 stops39h 14m

$1,659

DenverPerth

DEN - PER

DENPER

Denver Intl

Wed 5/6

8:00 am-11:55 am

2 stops37h 55m

Perth

Wed 5/13

10:45 pm-11:01 pm

2 stops38h 16m

$1,701

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 $1,165. 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 $1,221.

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 $1,362 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 $1,148 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

Fastest flight time	19h 15m
Direct flights	None

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

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 March 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 $117	Free Cancellation	Rating 7.9 8,339 reviews	Search Delta flights
Fiji Airways	PriceFrom $682	Free Cancellation	Rating 8.1 236 reviews	Search Fiji Airways flights
Alaska Airlines	PriceFrom $745	Free Cancellation	Rating 7.9 12,120 reviews	Search Alaska Airlines flights
Qantas Airways	PriceFrom $800	Free Cancellation	Rating 7.5 1,011 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $827	Free Cancellation	Rating 7.1 10,844 reviews	Search Air Canada flights
United Airlines	PriceFrom $853	Free Cancellation	Rating 7.4 9,493 reviews	Search United Airlines flights
American Airlines	PriceFrom $874	Free Cancellation	Rating 7.1 11,503 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $946	Free Cancellation	Rating 8.0 621 reviews	Search Air New Zealand 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.