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

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

How long does it take to fly to Sydney?

If you’re flying from a popular airport in Colorado, such as Denver or Aspen, and flying into Sydney, then you can expect flight times to average 22h 03m and 24h 26m, respectively.

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 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.

$754 Cheap Flights from Colorado to Sydney in 2026/27

Find the cheapest flights from Colorado to Sydney

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:22 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

22h 03m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-DEN Denver Intl

24h 19m2 stops Nadi Los Angeles

$1,357Multiple Airlines

Sat, 20 Feb - Wed, 24 Feb

14:22 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

22h 03m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-DEN Denver Intl

24h 19m2 stops Nadi Los Angeles

$1,381Multiple Airlines

Sat, 20 Feb - Wed, 24 Feb

14:22 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

22h 03m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-DEN Denver Intl

24h 19m2 stops Nadi Los Angeles

$1,403Multiple Airlines

Sat, 30 Jan - Sat, 13 Feb

22:29 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

37h 56m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-DEN Denver Intl

24h 19m2 stops Nadi Los Angeles

$1,411Multiple Airlines

Thu, 28 Jan - Wed, 17 Feb

14:22 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

22h 03m1 stop Los Angeles

14:00 - 09:31SYD Sydney Kingsford Smith-DEN Denver Intl

37h 31m2 stops Nadi Los Angeles

$1,415Multiple Airlines

Sat, 30 Jan - Fri, 19 Feb

14:22 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

22h 03m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-DEN Denver Intl

24h 19m2 stops Nadi Los Angeles

$1,422Multiple Airlines

Wed, 27 Jan - Sat, 13 Feb

14:22 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

22h 03m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-DEN Denver Intl

24h 19m2 stops Nadi Los Angeles

$1,438Multiple Airlines

Fri, 29 Jan - Sat, 13 Feb

14:22 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

22h 03m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-DEN Denver Intl

24h 19m2 stops Nadi Los Angeles

$1,441Multiple Airlines

Sat, 30 Jan - Wed, 10 Feb

14:22 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

22h 03m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-DEN Denver Intl

24h 19m2 stops Nadi Los Angeles

$1,443Multiple Airlines

Sat, 30 Jan - Fri, 12 Feb

14:22 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

22h 03m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-DEN Denver Intl

24h 19m2 stops Nadi Los Angeles

$1,457Multiple Airlines

Wed, 27 Jan - Wed, 10 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

15:37 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

22h 58m2 stops San Francisco Auckland Intl

09:55 - 16:12SYD Sydney Kingsford Smith-DEN Denver Intl

24h 17m2 stops Auckland Intl Los Angeles

$1,815Air New Zealand

Fri, 13 Nov - Wed, 18 Nov

19:09 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

43h 26m2 stops Los Angeles Auckland Intl

19:25 - 17:56SYD Sydney Kingsford Smith-DEN Denver Intl

40h 31m2 stops Auckland Intl Los Angeles

$1,857Air New Zealand

Tue, 10 Nov - Tue, 17 Nov

20:30 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

42h 05m2 stops Houston George Bush Intcntl Auckland Intl

11:20 - 16:12SYD Sydney Kingsford Smith-DEN Denver Intl

22h 52m1 stop Los Angeles

$2,138Air New Zealand

Sun, 15 Nov - Mon, 30 Nov

19:25 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

43h 10m2 stops Houston George Bush Intcntl Auckland Intl

11:20 - 12:17SYD Sydney Kingsford Smith-DEN Denver Intl

18h 57m1 stop Los Angeles

$2,147Air New Zealand

Sun, 15 Nov - Mon, 30 Nov

13:25 - 09:20DEN Denver Intl-SYD Sydney Kingsford Smith

25h 55m1 stop San Francisco

19:25 - 17:56SYD Sydney Kingsford Smith-DEN Denver Intl

40h 31m2 stops Auckland Intl Los Angeles

$2,162Air New Zealand

Tue, 10 Nov - Tue, 17 Nov

20:30 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

42h 05m2 stops Houston George Bush Intcntl Auckland Intl

14:05 - 17:56SYD Sydney Kingsford Smith-DEN Denver Intl

21h 51m2 stops Auckland Intl Los Angeles

$2,186Air New Zealand

Sun, 15 Nov - Mon, 30 Nov

20:30 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

42h 05m2 stops Houston George Bush Intcntl Auckland Intl

17:20 - 17:54SYD Sydney Kingsford Smith-DEN Denver Intl

42h 34m2 stops Auckland Intl Los Angeles

$2,204Air New Zealand

Sun, 15 Nov - Mon, 30 Nov

20:30 - 10:35DEN Denver Intl-SYD Sydney Kingsford Smith

44h 05m2 stops Houston George Bush Intcntl Auckland Intl

11:20 - 12:18SYD Sydney Kingsford Smith-DEN Denver Intl

18h 58m1 stop Los Angeles

$2,218Air New Zealand

Sun, 15 Nov - Mon, 23 Nov

07:30 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

28h 55m2 stops Las Vegas Harry Reid Intl Ontario

06:10 - 20:16SYD Sydney Kingsford Smith-DEN Denver Intl

32h 06m3 stops Coolangatta Gold Coast Nadi Los Angeles

$2,229Multiple Airlines

Sun, 15 Nov - Mon, 23 Nov

09:10 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

27h 15m1 stop Los Angeles

06:10 - 20:16SYD Sydney Kingsford Smith-DEN Denver Intl

32h 06m3 stops Coolangatta Gold Coast Nadi Los Angeles

$2,261Multiple Airlines

Sun, 15 Nov - Mon, 23 Nov

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Air New Zealand flights from Colorado to Sydney

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

Air New Zealand

10 Feb

DEN11:31Denver Intl

27h 04m

2 stops

SYD08:35Sydney Kingsford Smith

21 Feb

SYD09:55Sydney Kingsford Smith

27h 50m

2 stops

DEN19:45Denver Intl

$1,737

Air New Zealand

13 Nov

DEN15:37Denver Intl

22h 58m

2 stops

SYD08:35Sydney Kingsford Smith

18 Nov

SYD09:55Sydney Kingsford Smith

24h 17m

2 stops

DEN16:12Denver Intl

$1,815

Air New Zealand

10 Nov

DEN19:09Denver Intl

43h 26m

2 stops

SYD08:35Sydney Kingsford Smith

17 Nov

SYD19:25Sydney Kingsford Smith

40h 31m

2 stops

DEN17:56Denver Intl

$1,857

United Airlines flights from Colorado to Sydney

Our best United Airlines deals on Colorado to Sydney flight tickets

United Airlines

24 Feb

COS12:04Colorado Springs

24h 56m

1 stop

SYD07:00Sydney Kingsford Smith

28 Feb

SYD09:15Sydney Kingsford Smith

20h 08m

1 stop

COS11:23Colorado Springs

$2,310

United Airlines

3 Feb

ASE14:39Aspen Pitkin County

24h 26m

1 stop

SYD09:05Sydney Kingsford Smith

7 Feb

SYD13:20Sydney Kingsford Smith

18h 38m

1 stop

ASE13:58Aspen Pitkin County

$2,312

United Airlines

3 Feb

ASE20:20Aspen Pitkin County

18h 45m

1 stop

SYD09:05Sydney Kingsford Smith

7 Feb

SYD13:20Sydney Kingsford Smith

21h 26m

2 stops

ASE16:46Aspen Pitkin County

$2,317

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 20/2

14:22-06:25

1 stop22h 03m

Sydney Kingsford Smith

Wed 24/2

14:00-20:19

2 stops24h 19m

$1,357

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 20/2

14:22-06:25

1 stop22h 03m

Sydney Kingsford Smith

Wed 24/2

14:00-20:19

2 stops24h 19m

$1,381

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 30/1

14:22-06:25

1 stop22h 03m

Sydney Kingsford Smith

Sat 13/2

14:00-20:19

2 stops24h 19m

$1,403

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Thu 28/1

22:29-06:25

1 stop37h 56m

Sydney Kingsford Smith

Wed 17/2

14:00-20:19

2 stops24h 19m

$1,411

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 30/1

14:22-06:25

1 stop22h 03m

Sydney Kingsford Smith

Fri 19/2

14:00-09:31

2 stops37h 31m

$1,415

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 27/1

14:22-06:25

1 stop22h 03m

Sydney Kingsford Smith

Sat 13/2

14:00-20:19

2 stops24h 19m

$1,422

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 29/1

14:22-06:25

1 stop22h 03m

Sydney Kingsford Smith

Sat 13/2

14:00-20:19

2 stops24h 19m

$1,438

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 30/1

14:22-06:25

1 stop22h 03m

Sydney Kingsford Smith

Wed 10/2

14:00-20:19

2 stops24h 19m

$1,441

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 30/1

14:22-06:25

1 stop22h 03m

Sydney Kingsford Smith

Fri 12/2

14:00-20:19

2 stops24h 19m

$1,443

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 27/1

14:22-06:25

1 stop22h 03m

Sydney Kingsford Smith

Wed 10/2

14:00-20:19

2 stops24h 19m

$1,457

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 $1,718. If you aren’t able to travel to Sydney during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,718.

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 $2,046 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 $1,543 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

Best price found	$754
Fastest flight time	22h 03m
Direct flights	None

The best one-way flight to Sydney from Colorado in the past 72 hours is $754. The best return flight deal from Colorado to Sydney found on momondo in the last 72 hours is $1,357.

The fastest flight from Colorado to Sydney takes 22h 03m

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 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.

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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.