How long does it take to fly to Sydney?

If you’re flying from a popular airport in Colorado, such as Denver or Colorado Springs, and flying into Sydney, then you can expect flight times to average 23h 20m and 25h 52m, respectively.

What is the cheapest airline that flies from Colorado to Sydney Kingsford Smith?

United Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Colorado to Sydney Kingsford Smith

When did momondo last update prices for flights from Colorado to Sydney Kingsford Smith Airport?

Prices for flights from Colorado to Sydney Kingsford Smith Airport were last updated today.

How many operators does momondo search for flights from Colorado to Sydney Kingsford Smith Airport?

As of June 2026, there is 1 operator available to choose from for flights from Colorado to Sydney Kingsford Smith Airport.

How old do you have to be to fly from Colorado to Sydney Kingsford Smith Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The necessary travel and health documents for your Sydney Kingsford Smith Airport 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 licence 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.

$623 Cheap Flights from Colorado to Sydney in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:25 - 11:50

DEN

SYD

36h 25m

2 stops

17:50 - 10:03

SYD

DEN

32h 13m

1 stop

$1,553Multiple Airlines

Tue, 11 Aug - Tue, 18 Aug

07:00 - 11:50

DEN

SYD

36h 50m

2 stops

17:50 - 00:44

SYD

DEN

22h 54m

1 stop

$1,577Multiple Airlines

Thu, 13 Aug - Sat, 5 Sep

06:30 - 12:50

DEN

SYD

37h 20m

2 stops

18:50 - 09:40

SYD

DEN

31h 50m

1 stop

$1,582Multiple Airlines

Tue, 13 Oct - Tue, 20 Oct

13:30 - 07:00

COS

SYD

25h 30m

2 stops

10:20 - 18:47

SYD

COS

24h 27m

2 stops

$1,727United Airlines

Wed, 5 Aug - Wed, 12 Aug

11:53 - 08:45

ASE

SYD

28h 52m

2 stops

19:20 - 19:52

SYD

ASE

40h 32m

2 stops

$1,862Air New Zealand

Thu, 13 Aug - Sat, 22 Aug

09:40 - 06:55

ASE

SYD

29h 15m

1 stop

10:20 - 19:52

SYD

ASE

25h 32m

1 stop

$1,864United Airlines

Thu, 13 Aug - Sat, 22 Aug

07:00 - 07:20

COS

SYD

32h 20m

3 stops

09:20 - 08:40

SYD

COS

39h 20m

2 stops

$2,748Air Canada

Thu, 13 Aug - Mon, 17 Aug

15:51 - 06:55

COS

SYD

23h 04m

1 stop

12:00 - 18:40

SYD

COS

22h 40m

1 stop

$2,872Qantas Airways

Wed, 5 Aug - Wed, 12 Aug

07:45 - 07:20

COS

SYD

31h 35m

3 stops

09:20 - 08:40

SYD

COS

39h 20m

2 stops

$3,121Air Canada

Thu, 13 Aug - Mon, 17 Aug

17:13 - 06:55

COS

SYD

21h 42m

1 stop

12:00 - 18:40

SYD

COS

22h 40m

1 stop

$3,633Qantas Airways

Thu, 13 Aug - Mon, 17 Aug

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United Airlines flights from Colorado to Sydney

Our best United Airlines deals on Colorado to Sydney flight tickets

United Airlines

5 Aug

COS13:30Colorado Springs

25h 30m

2 stops

SYD07:00Sydney Kingsford Smith

12 Aug

SYD10:20Sydney Kingsford Smith

24h 27m

2 stops

COS18:47Colorado Springs

$1,727

United Airlines

13 Aug

ASE09:40Aspen Pitkin County

29h 15m

1 stop

SYD06:55Sydney Kingsford Smith

22 Aug

SYD10:20Sydney Kingsford Smith

25h 32m

1 stop

ASE19:52Aspen Pitkin County

$1,864

United Airlines

13 Aug

ASE09:40Aspen Pitkin County

29h 15m

1 stop

SYD06:55Sydney Kingsford Smith

22 Aug

SYD10:20Sydney Kingsford Smith

25h 32m

1 stop

ASE19:52Aspen Pitkin County

$1,865

Qantas Airways flights from Colorado to Sydney

Our best Qantas Airways deals on Colorado to Sydney flight tickets

Qantas Airways

5 Aug

COS15:51Colorado Springs

23h 04m

1 stop

SYD06:55Sydney Kingsford Smith

12 Aug

SYD12:00Sydney Kingsford Smith

22h 40m

1 stop

COS18:40Colorado Springs

$2,872

Qantas Airways

13 Aug

COS17:13Colorado Springs

21h 42m

1 stop

SYD06:55Sydney Kingsford Smith

17 Aug

SYD12:00Sydney Kingsford Smith

22h 40m

1 stop

COS18:40Colorado Springs

$3,633

Qantas Airways

13 Aug

COS17:13Colorado Springs

21h 42m

1 stop

SYD06:55Sydney Kingsford Smith

17 Aug

SYD12:00Sydney Kingsford Smith

18h 54m

1 stop

COS14:54Colorado Springs

$3,850

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 11/8

07:25-11:50

2 stops36h 25m

Sydney Kingsford Smith

Tue 18/8

17:50-10:03

1 stop32h 13m

$1,553

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 13/8

07:00-11:50

2 stops36h 50m

Sydney Kingsford Smith

Sat 5/9

17:50-00:44

1 stop22h 54m

$1,577

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 13/10

06:30-12:50

2 stops37h 20m

Sydney Kingsford Smith

Tue 20/10

18:50-09:40

1 stop31h 50m

$1,582

Colorado SpringsSydney

COS - SYD

COSSYD

Colorado Springs

Wed 5/8

13:30-07:00

2 stops25h 30m

Sydney Kingsford Smith

Wed 12/8

10:20-18:47

2 stops24h 27m

$1,727

AspenSydney

ASE - SYD

ASESYD

Aspen Pitkin County

Thu 13/8

11:53-08:45

2 stops28h 52m

Sydney Kingsford Smith

Sat 22/8

19:20-19:52

2 stops40h 32m

$1,862

AspenSydney

ASE - SYD

ASESYD

Aspen Pitkin County

Thu 13/8

09:40-06:55

1 stop29h 15m

Sydney Kingsford Smith

Sat 22/8

10:20-19:52

1 stop25h 32m

$1,864

Colorado SpringsSydney

COS - SYD

COSSYD

Colorado Springs

Thu 13/8

07:00-07:20

3 stops32h 20m

Sydney Kingsford Smith

Mon 17/8

09:20-08:40

2 stops39h 20m

$2,748

Colorado SpringsSydney

COS - SYD

COSSYD

Colorado Springs

Wed 5/8

15:51-06:55

1 stop23h 04m

Sydney Kingsford Smith

Wed 12/8

12:00-18:40

1 stop22h 40m

$2,872

Colorado SpringsSydney

COS - SYD

COSSYD

Colorado Springs

Thu 13/8

07:45-07:20

3 stops31h 35m

Sydney Kingsford Smith

Mon 17/8

09:20-08:40

2 stops39h 20m

$3,121

Fastest return journey

Colorado SpringsSydney

COS - SYD

COSSYD

Colorado Springs

Thu 13/8

17:13-06:55

1 stop21h 42m

Sydney Kingsford Smith

Mon 17/8

12:00-18:40

1 stop22h 40m

$3,633

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Colorado to Sydney

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 Sydney?

The month of September is, on average, the cheapest month to fly to Sydney from Colorado, with most prices found around $106. If you aren’t able to travel to Sydney during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $164.

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

You are more likely to see cheaper flights to Sydney from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,910 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Colorado for as low as $1,678 on momondo.

Cheap Colorado to Sydney flight deals and tips

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

Fastest flight time	23h 20m
Direct flights	None

The fastest flight from Colorado to Sydney takes 23h 20m

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

Search flight deals

Frequently asked questions about flying from Colorado to Sydney

When did momondo last update prices for flights from Colorado to Sydney Kingsford Smith Airport?
Prices for flights from Colorado to Sydney Kingsford Smith Airport were last updated today.
How many operators does momondo search for flights from Colorado to Sydney Kingsford Smith Airport?
As of June 2026, there is 1 operator available to choose from for flights from Colorado to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Colorado to Sydney Kingsford Smith Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The necessary travel and health documents for your Sydney Kingsford Smith Airport 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 licence 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 Sydney

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

Airline	Rating	Free cancellation	Price
Qantas Airways	PriceFrom $1,308	Free cancellation	Rating 7.5 1,050 reviews		Search Qantas Airways flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Manly

Coogee

Leura

Lithgow

Bondi Beach

Cronulla

Randwick

Charlestown

Newport

Swansea

Why use momondo?

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

It is quick and easy to find Colorado to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

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

Yes. momondo enables you to select and highlight flights to Sydney from Colorado with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Colorado.

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

Yes. momondo can track prices for Colorado to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.