How long is the flight from Colorado to Sydney?

A quick flight from Colorado to Sydney can take about 24h 55m. United Airlines provides one of the quickest options available for as low as $1,820. The distance between Colorado and Sydney is about 13390 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 Colorado Springs - Sydney Kingsford Smith or Aspen Pitkin County - 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.

$686+ 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 15 September 2026.

Tue 8/1206:25 -

2 stops36h 10m

Fri 5/214:00 -

2 stops24h 19m

Deal found 10/9$1,464

Tue 27/1013:10 -

2 stops39h 40m

Tue 3/1109:55 -

2 stops25h 40m

Deal found 12/9$1,514

Mon 19/1013:10 -

2 stops30h 40m

Mon 26/1014:00 -

3 stops36h 09m

Deal found 14/9$1,524

Sun 1/1113:10 -

2 stops25h 25m

Sun 15/1114:05 -

2 stops21h 58m

Deal found 12/9$1,526

Wed 28/1013:10 -

2 stops30h 25m

Wed 4/1114:00 -

3 stops27h 49m

Deal found 13/9$1,572

Mon 21/913:46 -

3 stops30h 04m

Fri 16/1014:15 -

3 stops39h 26m

Deal found 11/9$1,587

Mon 26/1016:05 -

2 stops23h 30m

Wed 11/1114:05 -

2 stops21h 51m

Deal found 15/9$1,596

Sun 18/1007:40 -

2 stops32h 05m

Wed 28/1011:50 -

2 stops25h 10m

Deal found 11/9$1,597

Wed 23/1213:32 -

2 stops25h 03m

Wed 27/109:55 -

2 stops25h 55m

Deal found 10/9$1,598

Thu 29/1012:05 -

2 stops40h 45m

Thu 5/1111:50 -

2 stops27h 55m

Deal found 14/9$1,766

Tue 17/1112:05 -

1 stop24h 55m

Wed 16/1209:15 -

1 stop20h 06m

Deal found 11/9$1,820

Sun 15/1112:05 -

1 stop24h 55m

Wed 16/1209:15 -

1 stop20h 06m

Deal found 11/9$1,824

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 15 September 2026.

Mon 23/1112:05 -

1 stop24h 55m

Tue 15/1211:50 -

2 stops20h 44m

Deal found 13/9$1,820

Tue 17/1119:56 -

1 stop18h 34m

Tue 1/1210:40 -

1 stop18h 47m

Deal found 11/9$2,118

Tue 16/212:59 -

2 stops38h 16m

Mon 22/215:50 -

3 stops49h 09m

Deal found 15/9$3,132

Mon 23/1113:20 -

2 stops23h 40m

Wed 16/1211:50 -

2 stops22h 34m

Deal found 11/9$1,820

Sat 21/1117:10 -

2 stops21h 55m

Mon 14/1209:20 -

1 stop19h 48m

Deal found 10/9$1,886

Sat 21/1117:10 -

2 stops22h 10m

Tue 15/1209:20 -

1 stop20h 01m

Deal found 11/9$1,888

Sat 28/1106:00 -

2 stops32h 30m

Fri 18/1210:40 -

1 stop31h 23m

Deal found 13/9$2,297

Sun 15/1114:27 -

3 stops46h 28m

Sun 29/1116:20 -

2 stops40h 50m

Deal found 14/9$4,893

Tue 17/1112:05 -

1 stop24h 55m

Fri 18/1211:50 -

2 stops26h 57m

Deal found 11/9$1,888

Mon 23/1112:05 -

1 stop24h 55m

Thu 17/1209:20 -

1 stop19h 59m

Deal found 11/9$1,888

Mon 16/1114:55 -

2 stops24h 10m

Sun 13/1209:15 -

1 stop20h 06m

Deal found 14/9$1,895

Fri 20/1111:34 -

2 stops27h 31m

Mon 14/1209:20 -

1 stop19h 48m

Deal found 10/9$1,949

Sun 15/1116:05 -

2 stops31h 50m

Mon 30/1115:50 -

3 stops49h 09m

Deal found 11/9$3,634

Sun 20/1218:30 -

1 stop20h 00m

Mon 28/1210:40 -

1 stop18h 52m

Deal found 10/9$3,482

Thu 29/1014:55 -

2 stops23h 05m

Thu 5/1109:20 -

1 stop19h 59m

Deal found 14/9$1,975

Thu 12/1114:17 -

1 stop24h 48m

Mon 16/1111:20 -

1 stop20h 16m

Deal found 10/9$2,103

Tue 17/1112:24 -

3 stops48h 31m

Tue 1/1216:20 -

2 stops40h 50m

Deal found 14/9$4,893

Sun 8/1112:05 -

2 stops27h 15m

Thu 12/1109:20 -

1 stop19h 59m

Deal found 13/9$2,108

Sat 16/112:09 -

3 stops48h 46m

Sat 30/116:20 -

2 stops40h 50m

Deal found 10/9$4,920

Wed 21/1019:12 -

1 stop19h 48m

Sun 25/1010:30 -

1 stop20h 06m

Deal found 12/9$2,143

Thu 17/1206:00 -

1 stop30h 20m

Sun 27/1211:50 -

1 stop19h 01m

Deal found 10/9$3,677

Fri 18/1221:15 -

1 stop41h 50m

Mon 28/1211:20 -

1 stop19h 00m

Deal found 12/9$4,246

Find flight deals from Colorado to Sydney

Round-trip from	$1,464
One-way from	$686
Popular in	December
Cheapest in	May
Average price	$1,660

8/12-5/2
4 total stops
60h 29m total
Colorado to Sydney

Search Deals

17/11-31/12
1 total stop
37h 30m total
Colorado to Sydney

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($474 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($78 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Thu 29/10

09:10-06:25

1 stop28h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$804

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 31/10

09:15-06:25

2 stops28h 10m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$849

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 27/10

09:15-06:25

2 stops28h 10m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$855

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 30/11

11:10-06:25

2 stops49h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$862

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Sun 15/11

07:00-09:05

2 stops32h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$972

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Sat 21/11

18:25-07:00

2 stops42h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$981

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 30/10

07:30-09:50

3 stops57h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,079

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 12/10

22:55-09:00

2 stops41h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,126

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Wed 18/11

12:54-20:50

2 stops37h 56m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,150

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Thu 19/11

08:20-07:15

2 stops52h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,153

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 39 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 $1,653). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,517). 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 typical for this route at the moment.

Colorado to Sydney flights typically cost between $1,177 and $2,058 in December.
The cheapest return price found within the last 5 days was $1,464 on Multiple Airlines (8 Dec–5 Feb).

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 13 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 24h 55m. United Airlines provides one of the quickest options available for as low as $1,820. The distance between Colorado and Sydney is about 13390 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 Colorado Springs - Sydney Kingsford Smith or Aspen Pitkin County - 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 $1,653). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,517). 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$1,264	Average$1,957	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights

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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 $686

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/11. 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 15 September 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 15 September 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 15 September 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 15 September 2026.

Last-minute flights from Colorado to SydneyDiscover last-minute flight deals from Colorado to Sydney. Data last updated 15 September 2026 and is based on user searches.

Discover last-minute flight deals from Colorado to Sydney. Data last updated 15 September 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 15 September 2026.

Search for one-way flight options from Colorado to Sydney. Find affordable one-way fares based on user searches. Data last updated 15 September 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 typical for this route at the moment.

Colorado to Sydney flights typically cost between $1,177 and $2,058 in December.The cheapest return price found within the last 5 days was $1,464 on Multiple Airlines (8 Dec–5 Feb).

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 13 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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Complete your trip

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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 15 September 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?

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

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 15 September 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 15 September 2026.

Last-minute flights from Colorado to Sydney
Discover last-minute flight deals from Colorado to Sydney. Data last updated 15 September 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 15 September 2026.

Colorado to Sydney flights typically cost between $1,177 and $2,058 in December.
The cheapest return price found within the last 5 days was $1,464 on Multiple Airlines (8 Dec–5 Feb).