How long is the flight from Colorado to Sydney?

A quick flight from Colorado to Sydney can take about 26h 29m. Alaska Airlines provides one of the quickest options available for as low as $1,921. The distance between Colorado and Sydney is about 13234 km. This flight may include one or multiple stops. Find deals

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. Find deals

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 are the most popular airlines that fly from Colorado to Sydney?

When booking a flight from Colorado to Sydney, you may want to consider flying on American Airlines, Qantas Airways or United Airlines as they are the most popular for this route.

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.

$673+ Flights from Colorado to Sydney

Q: How much does it cost for a return flight from Colorado to Sydney?

Airfare is typical for this route at the moment. Colorado to Sydney flights typically cost between $1,338 and $2,110 in November. The cheapest return flight price found within the last 3 days was $1,521 on Alaska Airlines (11 Nov-18 Nov). Find deals

Cheap flight deals from Colorado to Sydney

Round-trip from	$1,521
One-way from	$673
Popular in	December
Cheapest in	April
Average price	$1,549

Alaska Airlines
11/11-18/11
4 total stops
62h 30m total
Colorado to Sydney

Search Deals

1/11
2 total stops
30h 00m total
Colorado to Sydney

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($489 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($77 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Colorado to Sydney

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 17 September 2025.

Tue 11/1120:02DEN - SYD

2 stops29h 43mAlaska Airlines

Tue 18/1121:40SYD - DEN

2 stops32h 47mAlaska Airlines

Deal found 14/9$1,521

Tue 4/1120:02DEN - SYD

2 stops29h 43mAlaska Airlines

Sun 16/1121:40SYD - DEN

2 stops35h 01mAlaska Airlines

Deal found 16/9$1,522

Wed 22/1018:20DEN - SYD

2 stops32h 25mAlaska Airlines

Sat 1/1121:40SYD - DEN

2 stops32h 47mAlaska Airlines

Deal found 15/9$1,546

Thu 30/1020:02DEN - SYD

2 stops30h 43mAlaska Airlines

Tue 18/1121:40SYD - DEN

2 stops38h 10mAlaska Airlines

Deal found 16/9$1,548

Wed 22/1018:20DEN - SYD

2 stops32h 25mAlaska Airlines

Fri 31/1021:40SYD - DEN

2 stops37h 10mAlaska Airlines

Deal found 15/9$1,560

Fri 31/1007:00DEN - SYD

2 stops43h 45mAlaska Airlines

Sun 16/1121:40SYD - DEN

2 stops35h 01mAlaska Airlines

Deal found 16/9$1,561

Tue 4/1120:02DEN - SYD

2 stops29h 43mAlaska Airlines

Thu 20/1121:40SYD - DEN

2 stops44h 21mAlaska Airlines

Deal found 16/9$1,566

Wed 22/1018:20DEN - SYD

2 stops32h 25mAlaska Airlines

Tue 28/1021:40SYD - DEN

2 stops34h 01mAlaska Airlines

Deal found 15/9$1,570

Thu 16/1018:20DEN - SYD

2 stops32h 25mAlaska Airlines

Sat 25/1021:40SYD - DEN

2 stops31h 47mAlaska Airlines

Deal found 15/9$1,572

Thu 30/1020:02DEN - SYD

2 stops30h 43mAlaska Airlines

Sat 15/1121:40SYD - DEN

2 stops32h 47mAlaska Airlines

Deal found 16/9$1,573

Fri 31/1007:00DEN - SYD

2 stops43h 45mAlaska Airlines

Thu 20/1121:40SYD - DEN

2 stops44h 21mAlaska Airlines

Deal found 16/9$1,579

Fri 31/1007:00DEN - SYD

2 stops43h 45mAlaska Airlines

Sat 15/1121:40SYD - DEN

2 stops32h 47mAlaska Airlines

Deal found 16/9$1,587

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 17 September 2025.

Wed 22/1018:20DEN - SYD

2 stops32h 25mAlaska Airlines

Sat 1/1121:40SYD - DEN

2 stops32h 47mAlaska Airlines

Deal found 16/9$1,548

Thu 13/1112:01ASE - SYD

1 stop26h 29mDelta

Mon 17/1110:40SYD - ASE

1 stop19h 42mDelta

Deal found 16/9$1,921

Mon 5/119:37DEN - SYD

1 stop19h 28mUnited Airlines

Mon 19/111:20SYD - DEN

2 stops26h 35mUnited Airlines

Deal found 16/9$2,048

Thu 30/1012:10COS - SYD

2 stops27h 35mAir New Zealand

Thu 6/1119:15SYD - COS

2 stops58h 12mAir New Zealand

Deal found 15/9$2,120

Tue 4/1120:02DEN - SYD

2 stops29h 43mAlaska Airlines

Thu 20/1121:40SYD - DEN

2 stops44h 21mAlaska Airlines

Deal found 16/9$1,566

Thu 30/1009:59COS - SYD

2 stops29h 36mAir Canada

Thu 6/1111:20SYD - COS

3 stops45h 09mAir Canada

Deal found 15/9$3,389

Wed 5/1120:02DEN - SYD

2 stops29h 43mAlaska Airlines

Fri 21/1121:40SYD - DEN

2 stops43h 00mAlaska Airlines

Deal found 16/9$1,612

Tue 30/1213:08DEN - SYD

1 stop25h 22mDelta

Tue 13/110:40SYD - DEN

1 stop18h 52mDelta

Deal found 14/9$2,042

Tue 21/1015:00DEN - SYD

2 stops35h 45mAlaska Airlines

Fri 31/1021:40SYD - DEN

2 stops30h 54mAlaska Airlines

Deal found 14/9$1,692

Wed 1/1010:45ASE - SYD

1 stop28h 15mUnited Airlines

Sat 25/1010:30SYD - ASE

1 stop19h 06mUnited Airlines

Deal found 15/9$2,180

Sun 2/1120:02DEN - SYD

2 stops29h 43mAlaska Airlines

Thu 20/1121:40SYD - DEN

2 stops44h 21mAlaska Airlines

Deal found 16/9$1,702

Wed 5/1119:19DEN - SYD

1 stop19h 11mDelta

Fri 21/1110:40SYD - DEN

1 stop19h 03mDelta

Deal found 16/9$2,117

Thu 25/1207:10DEN - SYD

2 stops31h 20mDelta

Wed 14/110:40SYD - DEN

1 stop25h 29mDelta

Deal found 14/9$2,123

Thu 13/1115:34ASE - SYD

2 stops23h 31mUnited Airlines

Mon 17/1111:20SYD - ASE

2 stops21h 16mUnited Airlines

Deal found 14/9$2,360

Thu 11/1206:05DEN - SYD

2 stops32h 25mDelta

Tue 6/114:15SYD - DEN

1 stop21h 54mDelta

Deal found 14/9$2,123

Thu 30/1007:30COS - SYD

1 stop30h 30mUnited Airlines

Thu 6/1111:50SYD - COS

1 stop27h 48mUnited Airlines

Deal found 15/9$2,417

Fri 31/1013:50COS - SYD

1 stop24h 05mQantas Airways

Fri 7/1114:05SYD - COS

1 stop24h 22mQantas Airways

Deal found 16/9$36,080

Fri 31/1012:04COS - SYD

2 stops27h 56mAmerican Airlines

Fri 7/1111:20SYD - COS

2 stops22h 27mAmerican Airlines

Deal found 16/9$36,678

Fri 31/1013:50COS - SYD

2 stops24h 35mMultiple Airlines

Fri 7/1114:05SYD - COS

1 stop19h 42mMultiple Airlines

Deal found 16/9$36,681

Last-minute flights from Colorado to Sydney
Discover last-minute flight deals from Colorado to Sydney. Data last updated 17 September 2025 and is based on user searches.

Wed 24/921:23DEN - SYD

2 stops30h 22mAlaska Airlines

Fri 3/1021:40SYD - DEN

2 stops30h 13mAlaska Airlines

Deal found 15/9$1,675

Wed 24/921:23DEN - SYD

2 stops30h 22mAlaska Airlines

Sat 4/1021:40SYD - DEN

2 stops30h 13mAlaska Airlines

Deal found 15/9$1,758

Wed 24/921:23DEN - SYD

2 stops30h 22mAlaska Airlines

Sun 5/1021:40SYD - DEN

2 stops31h 13mAlaska Airlines

Deal found 15/9$2,045

Wed 24/921:23DEN - SYD

2 stops30h 22mAlaska Airlines

Tue 7/1021:40SYD - DEN

2 stops33h 26mAlaska Airlines

Deal found 15/9$2,158

Wed 24/911:35DEN - SYD

1 stop27h 45mAir Canada

Tue 7/1010:20SYD - DEN

1 stop19h 09mAir Canada

Deal found 15/9$2,294

Wed 24/911:35DEN - SYD

1 stop27h 45mAir Canada

Mon 6/1010:20SYD - DEN

1 stop19h 09mAir Canada

Deal found 15/9$2,304

Thu 25/921:23DEN - SYD

2 stops30h 22mAlaska Airlines

Fri 3/1021:40SYD - DEN

2 stops30h 13mAlaska Airlines

Deal found 15/9$1,702

Thu 25/921:23DEN - SYD

2 stops30h 22mAlaska Airlines

Sat 4/1021:40SYD - DEN

2 stops30h 13mAlaska Airlines

Deal found 15/9$1,786

Thu 25/921:23DEN - SYD

2 stops30h 22mAlaska Airlines

Thu 9/1021:40SYD - DEN

2 stops41h 06mAlaska Airlines

Deal found 15/9$2,227

Fri 26/919:05DEN - SYD

2 stops35h 15mAir Canada

Wed 8/1010:20SYD - DEN

1 stop19h 09mAir Canada

Deal found 15/9$2,322

Wed 1/1010:45ASE - SYD

1 stop28h 15mUnited Airlines

Sat 25/1010:30SYD - ASE

1 stop19h 06mUnited Airlines

Deal found 15/9$2,180

Thu 30/1012:10COS - SYD

2 stops27h 35mAir New Zealand

Thu 6/1119:15SYD - COS

2 stops58h 12mAir New Zealand

Deal found 15/9$2,120

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 17 September 2025.

Sat 1/1110:00DEN - SYD

2 stops30h 00mMultiple Airlines

Deal found 14/9$673

Wed 29/1010:00DEN - SYD

2 stops54h 50mMultiple Airlines

Deal found 13/9$728

Wed 19/1110:00DEN - SYD

2 stops27h 25mMultiple Airlines

Deal found 14/9$733

Sun 21/906:00DEN - SYD

3 stops58h 00mMultiple Airlines

Deal found 14/9$776

Thu 5/212:35DEN - SYD

2 stops26h 25mMultiple Airlines

Deal found 13/9$782

Tue 17/212:35DEN - SYD

2 stops26h 25mMultiple Airlines

Deal found 14/9$790

Sat 22/1106:14DEN - SYD

2 stops31h 11mMultiple Airlines

Deal found 15/9$799

Wed 24/922:29DEN - SYD

3 stops39h 36mMultiple Airlines

Deal found 14/9$803

Tue 3/219:50DEN - SYD

2 stops41h 35mMultiple Airlines

Deal found 15/9$809

Sun 23/1108:00DEN - SYD

2 stops29h 25mMultiple Airlines

Deal found 15/9$866

Thu 20/1112:54COS - SYD

2 stops26h 11mUnited Airlines

Deal found 15/9$1,272

Fri 21/1118:02COS - SYD

2 stops44h 28mDelta

Deal found 15/9$1,301

Fly from

Fly to

Route

Depart

Return

Price

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 22/10

18:20-19:45

2 stops32h 25m

Sydney Kingsford Smith

Sat 1/11

21:40-13:27

2 stops32h 47m

$1,548

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 4/11

20:02-19:45

2 stops29h 43m

Sydney Kingsford Smith

Thu 20/11

21:40-00:01

2 stops44h 21m

$1,566

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 5/11

20:02-19:45

2 stops29h 43m

Sydney Kingsford Smith

Fri 21/11

21:40-22:40

2 stops43h 00m

$1,612

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 21/10

15:00-19:45

2 stops35h 45m

Sydney Kingsford Smith

Fri 31/10

21:40-11:34

2 stops30h 54m

$1,692

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 2/11

20:02-19:45

2 stops29h 43m

Sydney Kingsford Smith

Thu 20/11

21:40-00:01

2 stops44h 21m

$1,702

AspenSydney

ASE - SYD

ASESYD

Aspen Pitkin County

Thu 13/11

12:01-08:30

1 stop26h 29m

Sydney Kingsford Smith

Mon 17/11

10:40-12:22

1 stop19h 42m

$1,921

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 30/12

13:08-08:30

1 stop25h 22m

Sydney Kingsford Smith

Tue 13/1

10:40-11:32

1 stop18h 52m

$2,042

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 5/1

19:37-09:05

1 stop19h 28m

Sydney Kingsford Smith

Mon 19/1

11:20-19:55

2 stops26h 35m

$2,048

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 5/11

19:19-08:30

1 stop19h 11m

Sydney Kingsford Smith

Fri 21/11

10:40-11:43

1 stop19h 03m

$2,117

Colorado SpringsSydney

COS - SYD

COSSYD

Colorado Springs

Thu 30/10

12:10-08:45

2 stops27h 35m

Sydney Kingsford Smith

Thu 6/11

19:15-11:27

2 stops58h 12m

$2,120

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 34 results

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.

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

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 $129). Flying from Colorado to Sydney in October is currently the most expensive (average of $171). 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.

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.

How much does it cost for a return flight from Colorado to Sydney?

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 26h 29m. Alaska Airlines provides one of the quickest options available for as low as $1,921. The distance between Colorado and Sydney is about 13234 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 $129). Flying from Colorado to Sydney in October is currently the most expensive (average of $171). 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 3 airlines flying from Colorado to Sydney

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$299	Average$1,395	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	Cheapest$463	Average$2,192	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Qantas Airways	Cheapest$1,232	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 $673

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Colorado to Sydney

Keep the following information in mind while searching for Colorado to Sydney flight deals. Data was last updated 17 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 17 September 2025.

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 17 September 2025.

Cheapflights Fare Finder

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

Everything you need to know about your flight from Colorado to Sydney

What is the cheapest month to book a flight from Colorado to Sydney?

What is the cheapest time of day to fly from CO to SYD?

Find hourly flight availability from Colorado to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

How much does it cost for a return flight from Colorado to Sydney?

Related info for your journey

Find useful and relevant information for your journey from Colorado to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Colorado to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Colorado to Sydney

Fly with Cheapflights

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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 17 September 2025.