How long is the flight from Colorado to Sydney?

A quick flight from Colorado to Sydney can take about 18h 34m. United Airlines provides one of the quickest options available for as low as $2,290. 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.

$828+ 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 20 October 2026.

Wed 28/1015:53 -

1 stop23h 42m

Tue 3/1111:20 -

1 stop23h 06m

Deal found 19/10$1,447

Mon 16/1113:30 -

2 stops26h 05m

Mon 23/1111:20 -

2 stops23h 16m

Deal found 19/10$1,454

Mon 23/1119:00 -

1 stop20h 35m

Sat 12/1219:25 -

2 stops35h 18m

Deal found 19/10$1,522

Mon 16/1122:55 -

1 stop37h 30m

Tue 1/1221:40 -

2 stops29h 50m

Deal found 17/10$1,602

Tue 27/1013:10 -

1 stop24h 15m

Thu 12/1114:00 -

2 stops22h 03m

Deal found 18/10$1,606

Tue 27/1013:10 -

1 stop24h 15m

Wed 11/1114:00 -

2 stops37h 45m

Deal found 18/10$1,636

Wed 4/1111:39 -

2 stops27h 56m

Wed 11/1111:20 -

1 stop19h 23m

Deal found 19/10$1,639

Mon 19/1023:59 -

2 stops39h 21m

Wed 28/1010:20 -

1 stop19h 00m

Deal found 19/10$1,646

Mon 16/1113:30 -

2 stops26h 05m

Mon 23/1111:20 -

3 stops29h 24m

Deal found 19/10$1,672

Mon 2/1112:54 -

1 stop24h 01m

Thu 19/1107:20 -

2 stops23h 07m

Deal found 19/10$1,712

Mon 2/1114:17 -

1 stop24h 48m

Thu 19/1111:20 -

1 stop20h 16m

Deal found 19/10$1,843

Wed 2/1214:05 -

2 stops24h 30m

Wed 9/1211:50 -

2 stops26h 01m

Deal found 18/10$1,873

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 20 October 2026.

Mon 2/1112:54 -

1 stop24h 01m

Thu 19/1107:20 -

2 stops23h 07m

Deal found 19/10$1,712

Mon 2/1114:17 -

1 stop24h 48m

Thu 19/1111:20 -

1 stop20h 16m

Deal found 16/10$1,844

Wed 2/1214:05 -

1 stop25h 00m

Wed 9/1209:55 -

2 stops27h 56m

Deal found 18/10$2,030

Wed 4/1120:30 -

2 stops52h 55m

Thu 19/1121:35 -

2 stops37h 50m

Deal found 18/10$2,284

Mon 16/1119:56 -

1 stop18h 34m

Mon 30/1110:40 -

1 stop26h 24m

Deal found 17/10$2,290

Wed 24/217:31 -

2 stops46h 04m

Fri 5/308:45 -

2 stops31h 37m

Deal found 15/10$2,333

Sun 8/1111:14 -

2 stops28h 21m

Thu 12/1111:20 -

2 stops30h 39m

Deal found 19/10$2,495

Wed 24/210:33 -

2 stops25h 52m

Fri 5/314:05 -

1 stop20h 43m

Deal found 15/10$2,498

Wed 24/217:31 -

2 stops33h 19m

Thu 4/322:20 -

2 stops42h 02m

Deal found 15/10$2,333

Tue 12/118:46 -

2 stops32h 04m

Sat 23/122:20 -

2 stops42h 06m

Deal found 15/10$2,583

Wed 20/112:22 -

3 stops48h 33m

Wed 27/116:20 -

3 stops48h 59m

Deal found 19/10$5,253

Wed 23/1205:01 -

2 stops57h 29m

Tue 29/1213:35 -

1 stop27h 36m

Deal found 17/10$2,708

Wed 2/1213:00 -

2 stops23h 25m

Wed 9/1211:05 -

3 stops27h 19m

Deal found 18/10$2,768

Wed 23/1212:27 -

1 stop26h 03m

Wed 30/1210:40 -

1 stop24h 45m

Deal found 18/10$2,933

Sun 8/1107:35 -

1 stop29h 25m

Thu 12/1109:10 -

1 stop20h 09m

Deal found 18/10$3,291

Fri 12/215:00 -

2 stops25h 35m

Sun 21/211:50 -

2 stops28h 25m

Deal found 18/10$3,372

Mon 15/319:15 -

2 stops33h 00m

Sun 28/316:00 -

3 stops47h 59m

Deal found 15/10$3,115

Sat 19/1219:48 -

1 stop40h 37m

Fri 1/111:10 -

1 stop26h 20m

Deal found 15/10$3,799

Sun 20/1212:00 -

2 stops34h 25m

Fri 1/111:10 -

1 stop26h 20m

Deal found 15/10$3,860

Wed 4/1107:55 -

3 stops40h 00m

Wed 18/1112:15 -

2 stops41h 41m

Deal found 18/10$3,277

Find flight deals from Colorado to Sydney

Round-trip from	$1,429
One-way from	$828
Popular in	December
Cheapest in	April
Average price	$2,032

5/2-13/2
4 total stops
57h 34m 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. 17% potential increase in price ($582 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($99 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

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 9/12

16:35-06:25

2 stops43h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$911

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Mon 2/11

14:17-09:05

1 stop24h 48m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$918

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Sat 14/11

17:05-07:00

2 stops43h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$927

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 11/11

09:15-06:25

2 stops27h 10m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$961

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sun 21/3

09:20-20:15

2 stops41h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$970

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 21/11

21:55-06:25

2 stops38h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$989

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 29/12

22:48-06:25

1 stop37h 37m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,020

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Sun 21/2

11:55-07:00

1 stop25h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,099

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

$1,211

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 4/1

19:30-19:25

2 stops53h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,211

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 40 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 $2,715). 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 $1,737 and $2,536 in February.
The cheapest return price found within the last 5 days was $1,429 on Multiple Airlines (5 Feb–13 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 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 18h 34m. United Airlines provides one of the quickest options available for as low as $2,290. 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, 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 $2,715). 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$2,002	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 $828

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. 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 20 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 20 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 20 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 20 October 2026.

Last-minute flights from Colorado to SydneyDiscover last-minute flight deals from Colorado to Sydney. Data last updated 20 October 2026 and is based on user searches.

Discover last-minute flight deals from Colorado to Sydney. Data last updated 20 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 20 October 2026.

Search for one-way flight options from Colorado to Sydney. Find affordable one-way fares based on user searches. Data last updated 20 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 $1,737 and $2,536 in February.The cheapest return price found within the last 5 days was $1,429 on Multiple Airlines (5 Feb–13 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 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 20 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?

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 20 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 20 October 2026.

Last-minute flights from Colorado to Sydney
Discover last-minute flight deals from Colorado to Sydney. Data last updated 20 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 20 October 2026.

Colorado to Sydney flights typically cost between $1,737 and $2,536 in February.
The cheapest return price found within the last 5 days was $1,429 on Multiple Airlines (5 Feb–13 Feb).