How long is the flight from Colorado to Sydney?

A quick flight from Colorado to Sydney can take about 25h 53m. United Airlines provides one of the quickest options available for as low as $2,133. The distance between Colorado and Sydney is about 13435 km. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

What are the most popular routes from Colorado to Sydney?

The most popular route from Colorado to Sydney is Denver Intl - Sydney Kingsford Smith. You may also consider Aspen Pitkin County - Sydney Kingsford Smith or Colorado Springs - Sydney Kingsford Smith.

What is the cheapest time of day to fly from CO to SYD?

When flying from Colorado to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Sydney from Colorado?

Located just 7.5 km from the city centre, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Sydney from Colorado.

Can I find deals for flights from Colorado to Sydney that include hotel bookings?

Yes. In addition to deals on Colorado to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Colorado to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Sydney.

Can I find deals for business class flights from Colorado to Sydney?

Yes. Cheapflights offers flight deals from Colorado to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$739+ Cheap Flights from Colorado to Sydney

Cheap flight deals from Colorado to Sydney

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Colorado to Sydney
Explore the most affordable flight options available from Colorado to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2026.

Tue 22/913:10 -

2 stops30h 40m

Tue 29/906:15 -

3 stops33h 29m

Deal found 24/8$1,362

Wed 23/912:42 -

2 stops41h 43m

Wed 30/913:15 -

3 stops26h 29m

Deal found 24/8$1,363

Tue 20/1013:10 -

2 stops30h 40m

Mon 26/1014:00 -

3 stops36h 48m

Deal found 21/8$1,366

Sat 24/1013:10 -

2 stops28h 25m

Wed 4/1111:50 -

2 stops23h 45m

Deal found 23/8$1,415

Sat 19/913:10 -

2 stops30h 40m

Sun 27/906:00 -

3 stops46h 51m

Deal found 23/8$1,480

Tue 3/1109:10 -

2 stops29h 25m

Thu 12/1111:50 -

2 stops24h 13m

Deal found 23/8$1,485

Mon 2/1113:10 -

2 stops29h 25m

Fri 20/1114:00 -

3 stops39h 24m

Deal found 24/8$1,531

Mon 26/1013:30 -

2 stops28h 05m

Wed 11/1111:50 -

2 stops22h 22m

Deal found 21/8$1,591

Wed 21/1008:00 -

2 stops44h 50m

Sun 25/1019:25 -

2 stops59h 11m

Deal found 24/8$1,662

Wed 4/1112:54 -

1 stop24h 01m

Wed 18/1114:05 -

1 stop24h 12m

Deal found 22/8$1,797

Tue 1/1211:30 -

2 stops27h 50m

Wed 23/1213:20 -

2 stops25h 27m

Deal found 21/8$1,834

Tue 22/917:01 -

2 stops21h 59m

Tue 29/909:30 -

2 stops28h 12m

Deal found 23/8$1,835

Best flights from Colorado to Sydney
Discover carefully curated flight deals from Colorado to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 August 2026.

Tue 1/1211:30 -

2 stops27h 50m

Wed 23/1213:20 -

2 stops25h 27m

Deal found 21/8$1,834

Tue 6/1017:57 -

2 stops31h 53m

Tue 13/1020:45 -

2 stops31h 47m

Deal found 22/8$2,070

Tue 6/1012:22 -

1 stop26h 28m

Tue 13/1010:15 -

1 stop18h 11m

Deal found 22/8$2,282

Sat 26/1219:59 -

1 stop19h 01m

Tue 5/111:20 -

1 stop26h 05m

Deal found 24/8$2,595

Wed 21/1012:56 -

2 stops49h 14m

Sun 25/1019:30 -

3 stops41h 51m

Deal found 24/8$2,728

Tue 22/917:01 -

2 stops21h 59m

Tue 29/909:30 -

2 stops28h 12m

Deal found 23/8$1,835

Wed 4/1115:18 -

2 stops23h 47m

Wed 18/1109:15 -

2 stops25h 42m

Deal found 22/8$1,835

Wed 9/908:22 -

2 stops32h 18m

Mon 21/914:05 -

2 stops36h 30m

Deal found 20/8$2,073

Sat 21/1114:55 -

2 stops24h 10m

Sat 5/1211:50 -

2 stops20h 35m

Deal found 21/8$1,973

Sun 8/1107:35 -

1 stop29h 25m

Thu 12/1109:20 -

1 stop19h 59m

Deal found 24/8$2,094

Sat 9/106:30 -

1 stop32h 00m

Sun 31/110:40 -

1 stop25h 30m

Deal found 21/8$2,807

Wed 21/1019:12 -

1 stop19h 48m

Sun 25/1010:30 -

1 stop20h 06m

Deal found 21/8$2,094

Tue 8/909:40 -

1 stop29h 15m

Thu 24/910:20 -

1 stop25h 47m

Deal found 25/8$2,137

Thu 1/1018:35 -

3 stops48h 10m

Thu 15/1022:10 -

2 stops52h 40m

Deal found 24/8$3,482

Fri 18/1214:48 -

2 stops34h 57m

Mon 28/1221:40 -

2 stops33h 08m

Deal found 23/8$3,874

Sun 20/1211:20 -

1 stop28h 00m

Tue 5/111:50 -

1 stop26h 38m

Deal found 20/8$3,504

Fri 18/1221:15 -

1 stop41h 50m

Mon 28/1211:50 -

1 stop19h 01m

Deal found 24/8$3,592

Find flight deals from Colorado to Sydney

Round-trip from	$1,362
One-way from	$739
Popular in	December
Cheapest in	May
Average price	$1,902

22/9-29/9
5 total stops
64h 09m total
Colorado to Sydney

Search Deals

19/9
3 total stops
50h 20m total
Colorado to Sydney

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($395 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($77 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Tue 1/12

11:30-09:20

2 stops27h 50m

Sydney Kingsford Smith

Wed 23/12

13:20-20:47

2 stops25h 27m

$1,834

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Tue 22/9

17:01-07:00

2 stops21h 59m

Sydney Kingsford Smith

Tue 29/9

09:30-21:42

2 stops28h 12m

$1,835

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Wed 4/11

15:18-09:05

2 stops23h 47m

Sydney Kingsford Smith

Wed 18/11

09:15-16:57

2 stops25h 42m

$1,835

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Sat 21/11

14:55-09:05

2 stops24h 10m

Sydney Kingsford Smith

Sat 5/12

11:50-14:25

2 stops20h 35m

$1,973

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 6/10

17:57-18:50

2 stops31h 53m

Sydney Kingsford Smith

Tue 13/10

20:45-11:32

2 stops31h 47m

$2,070

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 9/9

08:22-08:40

2 stops32h 18m

Sydney Kingsford Smith

Mon 21/9

14:05-10:35

2 stops36h 30m

$2,073

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Sun 8/11

07:35-07:00

1 stop29h 25m

Sydney Kingsford Smith

Thu 12/11

09:20-11:19

1 stop19h 59m

$2,094

Fastest return journey

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Wed 21/10

19:12-08:00

1 stop19h 48m

Sydney Kingsford Smith

Sun 25/10

10:30-13:36

1 stop20h 06m

$2,094

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Tue 8/9

09:40-06:55

1 stop29h 15m

Sydney Kingsford Smith

Thu 24/9

10:20-20:07

1 stop25h 47m

$2,137

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 6/10

12:22-07:50

1 stop26h 28m

Sydney Kingsford Smith

Tue 13/10

10:15-11:26

1 stop18h 11m

$2,282

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 29 resultsSorted by cheapest first

Best time to book a flight from Colorado to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Colorado with our price prediction graph.

DEN-SYD

COS-SYD

ASE-SYD

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Sydney

USCO-SYD

DEN-SYD

COS-SYD

ASE-SYD

What is the cheapest month to book a flight from Colorado to Sydney?

Currently, May is the cheapest month in which you can book a flight from Colorado to Sydney (average of $1,648). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,510). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Colorado to Sydney?

Airfare is below average for this route at the moment.

Colorado to Sydney flights typically cost between $1,402 and $2,302 in September.
The cheapest return price found within the last 5 days was $1,362 on Multiple Airlines (22 Sept–29 Sept).

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

The price you pay for your flight from Colorado to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

What airport do you fly into for flights to Sydney from Colorado?
Located just 7.5 km from the city centre, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Sydney from Colorado.
How long is the flight from Colorado to Sydney?
A quick flight from Colorado to Sydney can take about 25h 53m. United Airlines provides one of the quickest options available for as low as $2,133. The distance between Colorado and Sydney is about 13435 km. This flight may include one or multiple stops.
What are the most popular routes from Colorado to Sydney?
The most popular route from Colorado to Sydney is Denver Intl - Sydney Kingsford Smith. You may also consider Aspen Pitkin County - Sydney Kingsford Smith or Colorado Springs - Sydney Kingsford Smith.
Can I find deals for flights from Colorado to Sydney that include hotel bookings?
Yes. In addition to deals on Colorado to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Colorado to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Sydney.
Can I find deals for business class flights from Colorado to Sydney?
Yes. Cheapflights offers flight deals from Colorado to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Colorado to Sydney?
Currently, May is the cheapest month in which you can book a flight from Colorado to Sydney (average of $1,648). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,510). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Colorado to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$1,261	Average$1,951	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Colorado to Sydney?

Cheapflights helps you search for flights from Colorado to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Colorado to Sydney?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sydney from Colorado.

Can Cheapflights find flights from Colorado to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Colorado to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Colorado to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Colorado today and book when prices fit your budget.

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Cheap flights from Colorado to Sydney from $739

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Colorado to Sydney

Cheapest flights from Colorado to SydneyExplore the most affordable flight options available from Colorado to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2026.

Explore the most affordable flight options available from Colorado to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2026.

Best flights from Colorado to SydneyDiscover carefully curated flight deals from Colorado to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 August 2026.

Discover carefully curated flight deals from Colorado to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 August 2026.

Last-minute flights from Colorado to SydneyDiscover last-minute flight deals from Colorado to Sydney. Data last updated 25 August 2026 and is based on user searches.

Discover last-minute flight deals from Colorado to Sydney. Data last updated 25 August 2026 and is based on user searches.

One-way flights from Colorado to SydneySearch for one-way flight options from Colorado to Sydney. Find affordable one-way fares based on user searches. Data last updated 25 August 2026.

Search for one-way flight options from Colorado to Sydney. Find affordable one-way fares based on user searches. Data last updated 25 August 2026.

Find flight deals from Colorado to Sydney

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

Best time to book a flight from Colorado to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Colorado with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Colorado to Sydney?

How much does it cost for a return flight from Colorado to Sydney?

Airfare is below average for this route at the moment.

Colorado to Sydney flights typically cost between $1,402 and $2,302 in September.The cheapest return price found within the last 5 days was $1,362 on Multiple Airlines (22 Sept–29 Sept).

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

The price you pay for your flight from Colorado to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

What airport do you fly into for flights to Sydney from Colorado?

How long is the flight from Colorado to Sydney?

What are the most popular routes from Colorado to Sydney?

Can I find deals for flights from Colorado to Sydney that include hotel bookings?

How can I find direct flights from Colorado to Sydney?

Can I find deals for business class flights from Colorado to Sydney?

What is the cheapest month to book a flight from Colorado to Sydney?

Travelling to a place near Sydney?

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Search flights from Colorado to Sydney by cabin class

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Colorado and Sydney flights

Browse other Colorado and Sydney flight options. Last updated on 25 August 2026.

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Top airline flying from Colorado to Sydney

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How does Cheapflights help users find flights from Colorado to Sydney?

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Can Cheapflights find flights from Colorado to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from Colorado to Sydney become cheaper?

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Cheapest flights from Colorado to Sydney
Explore the most affordable flight options available from Colorado to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2026.

Best flights from Colorado to Sydney
Discover carefully curated flight deals from Colorado to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 August 2026.

Last-minute flights from Colorado to Sydney
Discover last-minute flight deals from Colorado to Sydney. Data last updated 25 August 2026 and is based on user searches.

One-way flights from Colorado to Sydney
Search for one-way flight options from Colorado to Sydney. Find affordable one-way fares based on user searches. Data last updated 25 August 2026.

Colorado to Sydney flights typically cost between $1,402 and $2,302 in September.
The cheapest return price found within the last 5 days was $1,362 on Multiple Airlines (22 Sept–29 Sept).