How long is the flight from Colorado to Sydney?

A quick flight from Colorado to Sydney can take about 25h 55m. United Airlines provides one of the quickest options available for as low as $1,617. 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 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.

$846+ 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 12 October 2026.

Fri 6/1112:54 -

2 stops29h 41m

Thu 19/1114:00 -

2 stops22h 03m

Deal found 8/10$1,549

Mon 2/1109:10 -

2 stops33h 25m

Mon 16/1114:00 -

3 stops27h 53m

Deal found 7/10$1,583

Sun 25/1011:34 -

2 stops28h 06m

Mon 2/1109:15 -

1 stop20h 04m

Deal found 10/10$1,617

Mon 26/1016:05 -

2 stops23h 30m

Wed 11/1114:05 -

2 stops21h 51m

Deal found 8/10$1,692

Mon 2/1114:17 -

1 stop24h 48m

Thu 19/1111:20 -

1 stop20h 16m

Deal found 9/10$1,699

Sat 21/1119:25 -

2 stops43h 10m

Mon 7/1214:05 -

2 stops21h 49m

Deal found 11/10$1,722

Sun 25/1021:16 -

2 stops42h 19m

Wed 11/1111:50 -

2 stops24h 10m

Deal found 8/10$1,723

Tue 17/1111:35 -

2 stops27h 00m

Tue 1/1219:25 -

2 stops40h 29m

Deal found 9/10$1,738

Sat 28/1106:00 -

2 stops32h 35m

Fri 18/1214:05 -

2 stops21h 50m

Deal found 7/10$1,742

Mon 16/1114:17 -

2 stops26h 18m

Mon 30/1117:20 -

2 stops44h 31m

Deal found 8/10$1,789

Mon 16/1114:17 -

1 stop24h 48m

Mon 30/1111:20 -

1 stop26h 31m

Deal found 8/10$1,928

Sun 6/1213:40 -

2 stops25h 25m

Sat 19/1209:10 -

1 stop20h 09m

Deal found 8/10$2,000

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 12 October 2026.

Sun 25/1012:05 -

1 stop25h 55m

Mon 2/1109:15 -

1 stop20h 04m

Deal found 10/10$1,617

Mon 2/1112:04 -

1 stop26h 26m

Sat 14/1110:40 -

1 stop21h 02m

Deal found 7/10$1,699

Mon 2/1112:54 -

2 stops26h 06m

Sat 14/1111:15 -

3 stops27h 02m

Deal found 10/10$2,143

Mon 9/1119:30 -

2 stops53h 55m

Thu 12/1121:35 -

2 stops37h 50m

Deal found 11/10$2,282

Wed 10/218:46 -

1 stop20h 14m

Fri 12/211:20 -

1 stop19h 38m

Deal found 8/10$3,359

Mon 2/1114:17 -

1 stop24h 48m

Thu 19/1111:20 -

1 stop20h 16m

Deal found 9/10$1,699

Mon 2/1114:17 -

1 stop24h 48m

Sat 14/1111:20 -

1 stop20h 16m

Deal found 10/10$1,699

Mon 16/1112:23 -

1 stop26h 07m

Mon 30/1110:40 -

1 stop21h 02m

Deal found 10/10$2,243

Mon 16/1108:45 -

2 stops30h 20m

Mon 30/1111:20 -

1 stop26h 31m

Deal found 8/10$1,935

Fri 12/206:30 -

1 stop32h 00m

Mon 15/210:40 -

2 stops22h 29m

Deal found 8/10$2,379

Sun 6/1211:10 -

2 stops25h 10m

Sun 13/1209:15 -

1 stop20h 06m

Deal found 8/10$2,000

Wed 18/1112:52 -

1 stop25h 38m

Sat 28/1110:40 -

1 stop31h 16m

Deal found 11/10$2,389

Sun 1/1107:55 -

3 stops40h 00m

Sat 14/1119:10 -

3 stops40h 46m

Deal found 9/10$6,208

Sun 8/1107:35 -

1 stop29h 25m

Thu 12/1109:10 -

1 stop20h 09m

Deal found 8/10$2,243

Wed 21/1019:12 -

1 stop19h 48m

Sun 25/1010:30 -

1 stop20h 06m

Deal found 10/10$2,243

Sat 13/213:26 -

1 stop25h 34m

Mon 15/211:20 -

1 stop19h 38m

Deal found 8/10$3,752

Tue 10/1115:30 -

3 stops59h 45m

Tue 17/1119:10 -

3 stops69h 58m

Deal found 11/10$4,516

Fri 12/218:30 -

3 stops47h 45m

Fri 26/222:10 -

2 stops55h 05m

Deal found 8/10$5,547

Wed 28/1020:20 -

2 stops46h 55m

Sun 22/1122:10 -

3 stops55h 25m

Deal found 9/10$5,932

Thu 29/1012:22 -

2 stops54h 53m

Sat 21/1122:10 -

3 stops43h 20m

Deal found 11/10$7,160

Find flight deals from Colorado to Sydney

Round-trip from	$1,549
One-way from	$846
Popular in	December
Cheapest in	April
Average price	$2,088

6/11-19/11
4 total stops
51h 44m total
Colorado to Sydney

Search Deals

United Airlines
2/11-31/12
1 total stop
24h 48m total
Colorado to Sydney

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($500 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($81 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Mon 2/11

08:45-09:05

2 stops30h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$846

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 4/12

09:12-20:15

2 stops41h 03m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$897

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 21/11

22:29-19:45

2 stops51h 16m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$918

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 15/2

09:20-09:00

1 stop29h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$972

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 17/2

14:22-19:45

2 stops35h 23m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$986

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sun 22/11

22:50-20:15

3 stops51h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$998

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Sat 21/11

17:05-09:05

2 stops46h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,055

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sun 7/2

19:54-19:45

2 stops29h 51m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,114

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 26/3

22:50-10:05

3 stops42h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,137

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 20/11

06:42-06:25

3 stops29h 43m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,195

Flights are sorted by cheapest return flights first.

Deals found on 9/10

Showing 1-10 of 34 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, April is the cheapest month in which you can book a flight from Colorado to Sydney (average of $1,689). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,572). 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 $1,629 and $2,548 in November.
The cheapest return price found within the last 5 days was $1,549 on Multiple Airlines (6 Nov–19 Nov).

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 21 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 55m. United Airlines provides one of the quickest options available for as low as $1,617. 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 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, April is the cheapest month in which you can book a flight from Colorado to Sydney (average of $1,689). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,572). 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$1,292	Average$2,000	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 $846

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. 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 12 October 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 12 October 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 12 October 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 12 October 2026.

Last-minute flights from Colorado to SydneyDiscover last-minute flight deals from Colorado to Sydney. Data last updated 12 October 2026 and is based on user searches.

Discover last-minute flight deals from Colorado to Sydney. Data last updated 12 October 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 12 October 2026.

Search for one-way flight options from Colorado to Sydney. Find affordable one-way fares based on user searches. Data last updated 12 October 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 $1,629 and $2,548 in November.The cheapest return price found within the last 5 days was $1,549 on Multiple Airlines (6 Nov–19 Nov).

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 21 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 12 October 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 12 October 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 12 October 2026.

Last-minute flights from Colorado to Sydney
Discover last-minute flight deals from Colorado to Sydney. Data last updated 12 October 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 12 October 2026.

Colorado to Sydney flights typically cost between $1,629 and $2,548 in November.
The cheapest return price found within the last 5 days was $1,549 on Multiple Airlines (6 Nov–19 Nov).