How long is the flight from Colorado to Sydney?

A quick flight from Colorado to Sydney can take about 29h 25m. United Airlines provides one of the quickest options available for as low as $1,863. 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.

$692+ 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 27 September 2026.

Mon 26/1013:10 -

2 stops30h 25m

Wed 11/1106:00 -

3 stops35h 49m

Deal found 26/9$1,373

Tue 1/1213:54 -

2 stops38h 11m

Tue 15/1214:00 -

2 stops23h 45m

Deal found 26/9$1,375

Mon 9/1113:10 -

2 stops29h 25m

Mon 16/1114:00 -

3 stops37h 48m

Deal found 25/9$1,382

Wed 18/1107:35 -

1 stop29h 25m

Wed 9/1209:15 -

1 stop20h 06m

Deal found 23/9$1,863

Sun 8/1107:35 -

1 stop29h 25m

Thu 12/1109:10 -

1 stop20h 09m

Deal found 22/9$2,176

Wed 21/1019:12 -

1 stop19h 48m

Sun 25/1010:30 -

1 stop20h 06m

Deal found 22/9$2,176

Fri 25/1210:00 -

2 stops30h 35m

Sat 9/111:20 -

1 stop26h 55m

Deal found 22/9$2,250

Fri 25/1216:48 -

1 stop22h 17m

Sat 9/111:20 -

1 stop19h 30m

Deal found 22/9$2,841

Wed 18/1117:17 -

3 stops45h 18m

Wed 9/1222:20 -

2 stops42h 41m

Deal found 26/9$2,892

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 27 September 2026.

Wed 18/1112:05 -

2 stops27h 00m

Wed 9/1209:15 -

1 stop20h 06m

Deal found 23/9$1,870

Fri 25/1210:00 -

2 stops30h 35m

Sat 9/111:20 -

1 stop26h 55m

Deal found 22/9$2,250

Mon 9/1119:30 -

2 stops53h 55m

Thu 12/1121:35 -

2 stops37h 50m

Deal found 26/9$2,270

Thu 31/1218:30 -

1 stop20h 00m

Wed 20/110:40 -

1 stop18h 49m

Deal found 24/9$2,277

Tue 29/1219:59 -

1 stop19h 01m

Thu 21/111:20 -

1 stop19h 56m

Deal found 24/9$2,559

Sat 9/113:46 -

2 stops37h 04m

Sun 31/122:20 -

2 stops38h 36m

Deal found 26/9$2,630

Sun 8/1107:35 -

1 stop29h 25m

Thu 12/1109:10 -

1 stop20h 09m

Deal found 22/9$2,176

Fri 1/118:30 -

1 stop20h 00m

Tue 19/110:40 -

1 stop18h 49m

Deal found 24/9$2,277

Wed 21/1013:15 -

2 stops25h 40m

Sun 25/1010:30 -

1 stop20h 06m

Deal found 22/9$2,183

Thu 31/1218:30 -

1 stop20h 00m

Fri 22/110:40 -

1 stop18h 49m

Deal found 24/9$2,348

Mon 15/219:45 -

1 stop19h 20m

Sat 6/311:20 -

1 stop18h 43m

Deal found 26/9$2,488

Wed 16/1208:35 -

2 stops27h 50m

Tue 5/121:40 -

2 stops41h 29m

Deal found 22/9$3,454

Fri 25/1216:48 -

1 stop22h 17m

Sat 9/111:20 -

1 stop19h 30m

Deal found 22/9$2,841

Thu 10/1213:17 -

2 stops25h 13m

Tue 15/1210:40 -

2 stops24h 39m

Deal found 26/9$3,421

Wed 28/1015:30 -

3 stops60h 45m

Tue 3/1112:15 -

2 stops41h 26m

Deal found 22/9$4,409

Find flight deals from Colorado to Sydney

Round-trip from	$1,373
One-way from	$692
Popular in	December
Cheapest in	May
Average price	$1,679

26/10-11/11
5 total stops
66h 14m total
Colorado to Sydney

Search Deals

9/12-31/12
1 total stop
22h 39m total
Colorado to Sydney

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($488 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 September 2026

Search Deals

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

Wed 9/12

13:46-06:25

1 stop22h 39m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$692

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 8/12

22:50-06:25

2 stops37h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$744

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 13/11

22:55-06:25

1 stop37h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$778

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 30/11

22:50-06:25

2 stops37h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$971

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 1/12

07:40-06:25

2 stops28h 45m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,042

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Thu 10/12

12:08-06:25

2 stops24h 17m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,042

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Tue 29/12

11:19-09:20

2 stops28h 01m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,372

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Mon 11/1

10:34-09:05

2 stops28h 31m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,429

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Mon 11/1

17:37-10:25

3 stops46h 48m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,824

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Wed 18/11

12:05-09:05

2 stops27h 00m

Sydney Kingsford Smith

Wed 9/12

09:15-11:21

1 stop20h 06m

$1,870

Flights are sorted by cheapest return flights first.

Deals found on 25/9

Showing 1-10 of 25 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 $1,679). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,557). 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 $1,964 and $2,253 in October.
The cheapest return price found within the last 5 days was $1,373 on Multiple Airlines (26 Oct–11 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 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 29h 25m. United Airlines provides one of the quickest options available for as low as $1,863. 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, May is the cheapest month in which you can book a flight from Colorado to Sydney (average of $1,679). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,557). 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$1,285	Average$1,988	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 $692

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. 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 27 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 27 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 27 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 27 September 2026.

Last-minute flights from Colorado to SydneyDiscover last-minute flight deals from Colorado to Sydney. Data last updated 27 September 2026 and is based on user searches.

Discover last-minute flight deals from Colorado to Sydney. Data last updated 27 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 27 September 2026.

Search for one-way flight options from Colorado to Sydney. Find affordable one-way fares based on user searches. Data last updated 27 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 below average for this route at the moment.

Colorado to Sydney flights typically cost between $1,964 and $2,253 in October.The cheapest return price found within the last 5 days was $1,373 on Multiple Airlines (26 Oct–11 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 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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Alternative routes for Colorado to Sydney

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Complete your trip

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Book a non-stop flight to one of these other cities located in New South Wales.

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 27 September 2026.

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Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 September 2026.

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 27 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 27 September 2026.

Last-minute flights from Colorado to Sydney
Discover last-minute flight deals from Colorado to Sydney. Data last updated 27 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 27 September 2026.

Colorado to Sydney flights typically cost between $1,964 and $2,253 in October.
The cheapest return price found within the last 5 days was $1,373 on Multiple Airlines (26 Oct–11 Nov).