How long is the flight from Colorado to Sydney?

A quick flight from Colorado to Sydney can take about 23h 55m. United Airlines provides one of the quickest options available for as low as $2,285. 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.

$714+ 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 4 November 2026.

Fri 25/1214:31 -

1 stop21h 54m

Wed 20/114:55 -

2 stops23h 24m

Deal found 1/11$1,430

Wed 9/1213:46 -

1 stop25h 14m

Sun 20/1207:05 -

2 stops31h 23m

Deal found 1/11$1,775

Thu 5/1112:54 -

1 stop23h 31m

Wed 11/1114:00 -

2 stops21h 35m

Deal found 3/11$1,778

Thu 26/1114:20 -

1 stop22h 05m

Sat 5/1206:20 -

3 stops31h 25m

Deal found 2/11$1,814

Tue 1/1219:40 -

2 stops56h 10m

Sat 5/1219:25 -

2 stops38h 45m

Deal found 1/11$1,848

Tue 1/1208:35 -

2 stops27h 50m

Sat 5/1206:10 -

3 stops35h 58m

Deal found 1/11$1,853

Thu 5/1119:25 -

2 stops43h 10m

Wed 11/1111:50 -

2 stops24h 06m

Deal found 3/11$1,864

Sun 1/1116:44 -

2 stops47h 51m

Sat 14/1109:55 -

2 stops24h 17m

Deal found 31/10$1,911

Sat 28/1107:55 -

2 stops30h 40m

Fri 18/1209:55 -

2 stops24h 35m

Deal found 1/11$1,919

Thu 12/1114:17 -

1 stop24h 48m

Mon 16/1111:20 -

1 stop20h 16m

Deal found 2/11$3,288

Sun 8/1113:20 -

2 stops25h 45m

Thu 12/1111:20 -

2 stops21h 00m

Deal found 2/11$3,301

Thu 17/1205:30 -

2 stops30h 50m

Thu 24/1209:10 -

1 stop20h 09m

Deal found 2/11$4,125

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 4 November 2026.

Wed 24/212:04 -

1 stop24h 56m

Sun 28/209:15 -

1 stop20h 08m

Deal found 3/11$2,204

Tue 19/115:10 -

2 stops23h 55m

Tue 26/111:50 -

2 stops28h 01m

Deal found 31/10$2,285

Tue 17/1112:52 -

1 stop25h 38m

Tue 1/1210:40 -

1 stop19h 17m

Deal found 2/11$2,291

Tue 19/110:20 -

2 stops40h 30m

Tue 26/118:30 -

3 stops44h 32m

Deal found 31/10$2,848

Tue 19/108:03 -

1 stop28h 52m

Tue 26/114:05 -

1 stop22h 35m

Deal found 31/10$3,539

Mon 16/1119:56 -

1 stop18h 34m

Mon 30/1110:40 -

1 stop26h 24m

Deal found 3/11$2,291

Tue 19/108:45 -

2 stops30h 35m

Tue 26/109:20 -

1 stop20h 05m

Deal found 31/10$2,476

Tue 17/1112:24 -

3 stops48h 31m

Tue 1/1216:20 -

2 stops40h 50m

Deal found 2/11$5,001

Fri 18/1213:27 -

1 stop23h 28m

Fri 25/1214:05 -

1 stop20h 14m

Deal found 2/11$5,052

Wed 18/1106:00 -

2 stops32h 30m

Sat 28/1110:40 -

1 stop26h 24m

Deal found 1/11$2,370

Wed 9/1212:49 -

2 stops25h 41m

Sun 20/1210:40 -

2 stops29h 57m

Deal found 31/10$2,370

Sat 5/1213:17 -

2 stops25h 13m

Thu 31/1210:40 -

1 stop27h 42m

Deal found 30/10$2,442

Sun 20/1221:15 -

1 stop41h 50m

Thu 31/1211:20 -

1 stop26h 29m

Deal found 1/11$3,813

Sat 28/1119:59 -

1 stop18h 31m

Fri 18/1210:40 -

1 stop31h 22m

Deal found 3/11$2,950

Fri 18/1207:30 -

2 stops35h 20m

Fri 25/1211:50 -

2 stops28h 09m

Deal found 2/11$4,700

Thu 17/1205:30 -

2 stops30h 50m

Thu 24/1209:10 -

1 stop20h 09m

Deal found 2/11$4,125

Wed 16/1219:40 -

1 stop19h 25m

Tue 5/111:20 -

1 stop26h 25m

Deal found 30/10$4,548

Fri 18/1216:59 -

2 stops24h 06m

Fri 25/1210:25 -

3 stops26h 05m

Deal found 2/11$6,895

Fri 18/1213:47 -

2 stops22h 33m

Fri 25/1209:15 -

1 stop20h 04m

Deal found 2/11$4,834

Find flight deals from Colorado to Sydney

Round-trip from	$1,341
One-way from	$714
Popular in	December
Cheapest in	April
Average price	$1,969

6/2-17/2
3 total stops
46h 22m total
Colorado to Sydney

Search Deals

1/3-31/12
2 total stops
40h 55m total
Colorado to Sydney

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($627 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($131 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

Mon 1/2

09:20-09:00

1 stop29h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$844

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

$1,212

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 12/2

08:50-09:35

2 stops30h 45m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,264

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Fri 15/1

11:32-09:00

1 stop27h 28m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,308

Fastest return journey

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 5/1

13:11-06:35

2 stops23h 24m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,341

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 1/3

21:11-09:05

1 stop41h 54m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,590

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 15/1

12:00-08:30

1 stop26h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,674

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 2/1

21:15-21:50

2 stops54h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,688

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Tue 29/12

08:05-08:30

2 stops30h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,709

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Sun 10/1

15:01-10:45

3 stops49h 44m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,739

Flights are sorted by cheapest return flights first.

Deals found on 3/11

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

ASE-SYD

COS-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

ASE-SYD

COS-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 $1,691). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,992). 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 $1,843 and $2,522 in February.
The cheapest return price found within the last 5 days was $1,341 on Multiple Airlines (6 Feb–17 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 23h 55m. United Airlines provides one of the quickest options available for as low as $2,285. 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, April is the cheapest month in which you can book a flight from Colorado to Sydney (average of $1,691). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,992). 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$1,254	Average$2,339	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 $714

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/3. 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 4 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 4 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 4 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 4 November 2026.

Last-minute flights from Colorado to SydneyDiscover last-minute flight deals from Colorado to Sydney. Data last updated 4 November 2026 and is based on user searches.

Discover last-minute flight deals from Colorado to Sydney. Data last updated 4 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 4 November 2026.

Search for one-way flight options from Colorado to Sydney. Find affordable one-way fares based on user searches. Data last updated 4 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 $1,843 and $2,522 in February.The cheapest return price found within the last 5 days was $1,341 on Multiple Airlines (6 Feb–17 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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Alternative routes for Colorado to 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 4 November 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 4 November 2026.

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 4 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 4 November 2026.

Last-minute flights from Colorado to Sydney
Discover last-minute flight deals from Colorado to Sydney. Data last updated 4 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 4 November 2026.

Colorado to Sydney flights typically cost between $1,843 and $2,522 in February.
The cheapest return price found within the last 5 days was $1,341 on Multiple Airlines (6 Feb–17 Feb).