How long is the flight from Colorado to Sydney?

A quick flight from Colorado to Sydney can take about 19h 35m. United Airlines provides one of the quickest options available for as low as $2,316. 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.

$824+ 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 10 November 2026.

Tue 17/1122:55 -

1 stop37h 30m

Fri 4/1214:00 -

2 stops37h 31m

Deal found 10/11$1,557

Sat 14/1112:54 -

1 stop23h 31m

Fri 4/1214:00 -

2 stops37h 31m

Deal found 10/11$1,562

Wed 11/1112:54 -

1 stop23h 31m

Fri 4/1214:00 -

2 stops37h 31m

Deal found 10/11$1,625

Mon 16/1122:55 -

1 stop37h 30m

Fri 4/1214:00 -

2 stops23h 51m

Deal found 10/11$1,664

Sun 15/1112:54 -

1 stop23h 31m

Fri 4/1214:00 -

2 stops37h 31m

Deal found 10/11$1,706

Wed 11/1113:30 -

2 stops25h 05m

Wed 18/1111:50 -

2 stops22h 22m

Deal found 10/11$1,804

Fri 13/1115:37 -

2 stops22h 58m

Wed 18/1109:55 -

2 stops24h 17m

Deal found 8/11$1,806

Tue 1/1213:54 -

1 stop22h 31m

Tue 8/1211:15 -

1 stop22h 38m

Deal found 7/11$1,828

Tue 10/1119:09 -

2 stops43h 26m

Tue 17/1119:25 -

2 stops40h 31m

Deal found 9/11$1,848

Sat 28/1111:43 -

2 stops26h 52m

Fri 18/1211:50 -

2 stops25h 59m

Deal found 10/11$1,930

Thu 24/1212:26 -

1 stop26h 04m

Thu 31/1210:40 -

1 stop20h 10m

Deal found 9/11$2,894

Thu 24/1211:40 -

2 stops28h 55m

Thu 31/1211:20 -

1 stop22h 47m

Deal found 9/11$3,222

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 10 November 2026.

Wed 24/212:04 -

1 stop24h 56m

Sun 28/209:15 -

1 stop20h 08m

Deal found 7/11$2,299

Mon 23/1119:59 -

1 stop18h 31m

Wed 2/1210:40 -

1 stop19h 17m

Deal found 10/11$2,313

Tue 12/106:15 -

2 stops36h 45m

Sat 23/111:05 -

2 stops29h 21m

Deal found 10/11$2,674

Thu 7/112:58 -

1 stop23h 57m

Thu 21/114:05 -

1 stop20h 53m

Deal found 9/11$3,297

Wed 3/214:39 -

1 stop24h 26m

Sun 7/213:20 -

1 stop18h 38m

Deal found 7/11$2,299

Fri 20/1112:52 -

1 stop25h 38m

Mon 23/1110:40 -

1 stop26h 24m

Deal found 6/11$2,389

Sat 9/112:25 -

3 stops48h 30m

Sun 31/116:20 -

2 stops40h 50m

Deal found 9/11$5,267

Thu 14/113:50 -

2 stops37h 00m

Sat 30/122:20 -

2 stops37h 07m

Deal found 5/11$2,677

Wed 9/1209:00 -

2 stops27h 25m

Wed 16/1212:45 -

3 stops27h 19m

Deal found 10/11$2,763

Thu 24/1218:30 -

1 stop20h 00m

Mon 28/1210:40 -

1 stop18h 51m

Deal found 6/11$2,781

Sat 9/112:10 -

2 stops50h 55m

Sat 23/113:20 -

2 stops23h 34m

Deal found 5/11$3,004

Thu 24/1212:26 -

1 stop26h 04m

Thu 31/1210:40 -

1 stop20h 10m

Deal found 9/11$2,894

Fri 5/317:50 -

2 stops33h 25m

Sun 14/315:50 -

3 stops48h 19m

Deal found 9/11$3,006

Thu 7/117:11 -

2 stops21h 54m

Thu 21/109:20 -

2 stops28h 48m

Deal found 9/11$3,038

Wed 3/213:47 -

2 stops27h 18m

Sun 7/208:30 -

2 stops23h 47m

Deal found 6/11$4,008

Sat 9/117:33 -

3 stops47h 27m

Sat 23/115:15 -

2 stops47h 47m

Deal found 5/11$3,381

Thu 24/1214:27 -

2 stops24h 53m

Thu 31/1211:20 -

2 stops23h 10m

Deal found 9/11$3,697

Thu 7/117:33 -

3 stops46h 52m

Thu 21/119:50 -

3 stops43h 12m

Deal found 9/11$3,490

Tue 19/112:25 -

3 stops48h 30m

Tue 26/116:20 -

3 stops48h 59m

Deal found 6/11$5,322

Thu 4/212:25 -

3 stops48h 30m

Thu 18/216:20 -

3 stops43h 00m

Deal found 8/11$5,322

Sun 20/1219:15 -

1 stop19h 50m

Thu 7/111:20 -

1 stop19h 08m

Deal found 9/11$4,488

Find flight deals from Colorado to Sydney

Round-trip from	$1,375
One-way from	$824
Popular in	December
Cheapest in	May
Average price	$1,990

20/2-24/2
3 total stops
46h 22m total
Colorado to Sydney

Search Deals

17/2-31/12
1 total stop
37h 56m total
Colorado to Sydney

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($724 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($148 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 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

Fri 19/3

07:00-06:25

2 stops30h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,005

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 1/1

06:00-06:25

2 stops30h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,211

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 30/12

19:30-19:25

2 stops53h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,224

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 26/12

07:07-06:25

2 stops29h 18m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,368

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 15/1

06:15-20:50

2 stops44h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,596

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 1/1

06:05-08:30

2 stops32h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,728

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 15/1

07:20-08:30

1 stop31h 10m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,773

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Tue 29/12

07:30-10:35

2 stops33h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,811

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Tue 29/12

07:30-07:00

1 stop29h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,999

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Sat 9/1

20:20-08:35

2 stops42h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$2,144

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Showing 1-10 of 44 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 $1,709). Flying from Colorado to Sydney in December is currently the most expensive (average of $3,155). 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 $1,863 and $2,550 in February.
The cheapest return price found within the last 5 days was $1,375 on Multiple Airlines (20 Feb–24 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 20 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 19h 35m. United Airlines provides one of the quickest options available for as low as $2,316. 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 $1,709). Flying from Colorado to Sydney in December is currently the most expensive (average of $3,155). 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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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 $824

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/2. 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 10 November 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 10 November 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 10 November 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 10 November 2026.

Last-minute flights from Colorado to SydneyDiscover last-minute flight deals from Colorado to Sydney. Data last updated 10 November 2026 and is based on user searches.

Discover last-minute flight deals from Colorado to Sydney. Data last updated 10 November 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 10 November 2026.

Search for one-way flight options from Colorado to Sydney. Find affordable one-way fares based on user searches. Data last updated 10 November 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 $1,863 and $2,550 in February.The cheapest return price found within the last 5 days was $1,375 on Multiple Airlines (20 Feb–24 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 20 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 10 November 2026.

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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 10 November 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 10 November 2026.

Last-minute flights from Colorado to Sydney
Discover last-minute flight deals from Colorado to Sydney. Data last updated 10 November 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 10 November 2026.

Colorado to Sydney flights typically cost between $1,863 and $2,550 in February.
The cheapest return price found within the last 5 days was $1,375 on Multiple Airlines (20 Feb–24 Feb).