How long is the flight from Colorado to Sydney?

There are many flights that can get you from Colorado to Sydney in 19h 34m. Fly via Air Canada, United Airlines, or Delta to get the fastest option. There are 8348 mi between Colorado and Sydney. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

What are the most popular routes from Colorado to Sydney?

Most travelers choose Denver Intl - Sydney Kingsford Smith, Colorado Springs - Sydney Kingsford Smith or Aspen Pitkin County - Sydney Kingsford Smith when deciding on the best route from Colorado to Sydney.

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

Consider American Airlines, Qantas Airways or United Airlines when booking your flight. These represent the most popular airlines when flying from Colorado to Sydney.

What airport do you fly into for flights to Sydney from Colorado?

Located just 4.6 mi from the city center, 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 vacation 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.

$414+ Flights from Colorado to Sydney

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Cheap flight deals from Colorado to Sydney

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$928 (Trip.com)
One-way from	$414 (Kiwi.com)
Popular in	December
Cheapest in	April
Average price	$1,265

Provider with most accurate pricing for Denver Intl-Sydney Kingsford Smith flight deals.

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Provider most trusted by Cheapflights users for Denver Intl-Sydney Kingsford Smith flights.

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From Colorado to Sydney Kingsford Smith

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One-way flight from Colorado to Sydney Kingsford Smith

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Highest demand for flights based on searches. 16% potential increase in price ($199 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).

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Average for round-trip flights in November 2025

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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 November 26, 2025.

Mon 12/18:31 amDEN - SYD

2 stops43h 19mMultiple Airlines

Mon 12/82:00 pmSYD - DEN

2 stops28h 17mMultiple Airlines

Deal found 11/24

$1,012

Tue 12/910:00 amDEN - SYD

2 stops27h 25mMultiple Airlines

Fri 12/125:45 pmSYD - DEN

1 stop24h 32mMultiple Airlines

Deal found 11/25

$1,049

Wed 12/246:00 amDEN - SYD

1 stop31h 25mMultiple Airlines

Wed 1/145:45 pmSYD - DEN

1 stop33h 45mMultiple Airlines

Deal found 11/24

$1,068

Mon 12/18:13 amDEN - SYD

2 stops29h 12mMultiple Airlines

Tue 12/911:20 amSYD - DEN

2 stops26h 40mMultiple Airlines

Deal found 11/24

$1,161

Sun 11/3012:35 pmDEN - SYD

1 stop24h 50mMultiple Airlines

Fri 12/125:45 pmSYD - DEN

1 stop24h 32mMultiple Airlines

Deal found 11/24

$1,284

Sun 11/3012:35 pmDEN - SYD

1 stop24h 50mMultiple Airlines

Mon 12/85:45 pmSYD - DEN

1 stop24h 32mMultiple Airlines

Deal found 11/24

$1,307

Mon 12/810:50 pmDEN - SYD

1 stop38h 35mMultiple Airlines

Wed 12/247:25 amSYD - DEN

2 stops44h 41mMultiple Airlines

Deal found 11/25

$1,315

Wed 11/267:51 amDEN - SYD

1 stop29h 34mMultiple Airlines

Wed 12/35:45 pmSYD - DEN

2 stops22h 44mMultiple Airlines

Deal found 11/25

$1,318

Wed 12/312:17 pmASE - SYD

1 stop26h 13mDelta

Sun 12/710:40 amSYD - ASE

1 stop19h 58mDelta

Deal found 11/25

$1,650

Wed 11/2612:10 pmCOS - SYD

1 stop24h 50mUnited Airlines

Wed 12/311:50 amSYD - COS

1 stop28h 00mUnited Airlines

Deal found 11/25

$2,011

Wed 12/31:35 pmASE - SYD

1 stop23h 25mUnited Airlines

Sun 12/711:50 amSYD - ASE

1 stop20h 11mUnited Airlines

Deal found 11/23

$2,011

Fri 12/123:33 pmCOS - SYD

2 stops23h 32mUnited Airlines

Mon 12/222:00 pmSYD - COS

2 stops22h 55mUnited Airlines

Deal found 11/25

$2,066

Best flights from Colorado to Sydney
Discover carefully curated flight deals from Colorado to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 26, 2025.

Wed 2/118:05 amDEN - SYD

1 stop31h 30mAir Canada

Thu 2/2611:20 amSYD - DEN

2 stops23h 33mAir Canada

Deal found 11/24

$1,096

Mon 2/97:41 pmDEN - SYD

1 stop19h 34mUnited Airlines

Sun 3/111:50 amSYD - DEN

1 stop20h 42mUnited Airlines

Deal found 11/24

$1,160

Sun 1/253:40 pmDEN - SYD

2 stops22h 50mDelta

Sun 2/810:40 amSYD - DEN

2 stops22h 10mDelta

Deal found 11/24

$1,165

Thu 2/1211:38 amDEN - SYD

2 stops38h 07mAlaska Airlines

Sun 3/19:40 pmSYD - DEN

2 stops31h 02mAlaska Airlines

Deal found 11/24

$1,373

Wed 1/283:58 pmDEN - SYD

1 stop20h 22mUnited Airlines

Mon 2/911:20 amSYD - DEN

1 stop21h 10mUnited Airlines

Deal found 11/24

$1,160

Mon 2/912:46 pmDEN - SYD

2 stops25h 44mDelta

Sun 3/110:40 amSYD - DEN

2 stops22h 22mDelta

Deal found 11/24

$1,165

Wed 2/113:58 pmDEN - SYD

1 stop20h 22mUnited Airlines

Sun 3/12:00 pmSYD - DEN

1 stop18h 43mUnited Airlines

Deal found 11/24

$1,160

Fri 1/95:09 pmDEN - SYD

2 stops32h 36mAlaska Airlines

Sun 1/189:40 pmSYD - DEN

2 stops31h 58mAlaska Airlines

Deal found 11/24

$1,392

Sat 1/248:32 pmDEN - SYD

1 stop40h 28mUnited Airlines

Mon 2/911:20 amSYD - DEN

1 stop18h 59mUnited Airlines

Deal found 11/24

$1,168

Fri 12/1212:45 pmCOS - SYD

1 stop24h 10mQantas Airways

Mon 12/222:05 pmSYD - COS

1 stop19h 49mQantas Airways

Deal found 11/25

$3,045

Wed 1/285:09 pmDEN - SYD

2 stops32h 36mAlaska Airlines

Fri 2/139:40 pmSYD - DEN

2 stops31h 02mAlaska Airlines

Deal found 11/24

$1,406

Fri 1/307:41 pmDEN - SYD

1 stop19h 34mUnited Airlines

Thu 2/1212:10 pmSYD - DEN

1 stop18h 08mUnited Airlines

Deal found 11/24

$1,260

Tue 12/211:41 amDEN - SYD

2 stops38h 04mAlaska Airlines

Fri 12/129:40 pmSYD - DEN

2 stops31h 05mAlaska Airlines

Deal found 11/24

$1,454

Fri 12/123:33 pmCOS - SYD

3 stops48h 02mMultiple Airlines

Mon 12/2211:45 amSYD - COS

2 stops28h 09mMultiple Airlines

Deal found 11/25

$3,913

Sat 2/283:40 pmCOS - SYD

2 stops45h 20mUnited Airlines

Wed 3/412:10 pmSYD - COS

2 stops22h 20mUnited Airlines

Deal found 11/24

$2,032

Fri 12/123:33 pmCOS - SYD

2 stops23h 32mUnited Airlines

Mon 12/222:00 pmSYD - COS

2 stops22h 55mUnited Airlines

Deal found 11/25

$2,066

Tue 12/304:46 pmCOS - SYD

2 stops28h 04mQantas Airways

Mon 2/97:15 pmSYD - COS

2 stops40h 26mQantas Airways

Deal found 11/24

$7,249

Tue 12/3012:38 pmCOS - SYD

2 stops32h 12mQantas Airways

Sun 2/87:15 pmSYD - COS

2 stops36h 54mQantas Airways

Deal found 11/24

$7,272

Last-minute flights from Colorado to Sydney
Discover last-minute flight deals from Colorado to Sydney. Data last updated November 26, 2025 and is based on user searches.

Wed 11/267:51 amDEN - SYD

1 stop29h 34mMultiple Airlines

Wed 12/35:45 pmSYD - DEN

2 stops22h 44mMultiple Airlines

Deal found 11/25

$1,318

Wed 11/2612:10 pmCOS - SYD

1 stop24h 50mUnited Airlines

Wed 12/311:50 amSYD - COS

1 stop28h 00mUnited Airlines

Deal found 11/25

$2,011

Sun 11/3012:35 pmDEN - SYD

1 stop24h 50mMultiple Airlines

Fri 12/125:45 pmSYD - DEN

1 stop24h 32mMultiple Airlines

Deal found 11/24

$1,284

Sun 11/3012:35 pmDEN - SYD

1 stop24h 50mMultiple Airlines

Mon 12/85:45 pmSYD - DEN

1 stop24h 32mMultiple Airlines

Deal found 11/24

$1,307

Mon 12/18:31 amDEN - SYD

2 stops43h 19mMultiple Airlines

Mon 12/82:00 pmSYD - DEN

2 stops28h 17mMultiple Airlines

Deal found 11/24

$1,012

Mon 12/18:13 amDEN - SYD

2 stops29h 12mMultiple Airlines

Tue 12/911:20 amSYD - DEN

2 stops26h 40mMultiple Airlines

Deal found 11/24

$1,161

Wed 12/312:17 pmASE - SYD

1 stop26h 13mDelta

Sun 12/710:40 amSYD - ASE

1 stop19h 58mDelta

Deal found 11/25

$1,650

Wed 12/31:35 pmASE - SYD

1 stop23h 25mUnited Airlines

Sun 12/711:50 amSYD - ASE

1 stop20h 11mUnited Airlines

Deal found 11/23

$2,011

Mon 12/810:50 pmDEN - SYD

1 stop38h 35mMultiple Airlines

Wed 12/247:25 amSYD - DEN

2 stops44h 41mMultiple Airlines

Deal found 11/25

$1,315

Tue 12/910:00 amDEN - SYD

2 stops27h 25mMultiple Airlines

Fri 12/125:45 pmSYD - DEN

1 stop24h 32mMultiple Airlines

Deal found 11/25

$1,049

Fri 12/123:33 pmCOS - SYD

2 stops23h 32mUnited Airlines

Mon 12/222:00 pmSYD - COS

2 stops22h 55mUnited Airlines

Deal found 11/25

$2,066

Wed 12/246:00 amDEN - SYD

1 stop31h 25mMultiple Airlines

Wed 1/145:45 pmSYD - DEN

1 stop33h 45mMultiple Airlines

Deal found 11/24

$1,068

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 November 26, 2025.

Sat 2/712:00 pmDEN - SYD

2 stops30h 35mMultiple Airlines

Deal found 11/26

$414

Sun 2/156:00 amDEN - SYD

2 stops36h 35mMultiple Airlines

Deal found 11/25

$422

Sat 12/65:01 pmDEN - SYD

1 stop20h 24mMultiple Airlines

Deal found 11/25

$577

Sun 12/76:00 amDEN - SYD

1 stop31h 25mMultiple Airlines

Deal found 11/24

$597

Thu 2/1212:25 pmASE - SYD

1 stop24h 25mDelta

Deal found 11/24

$644

Thu 2/124:01 pmASE - SYD

3 stops36h 14mMultiple Airlines

Deal found 11/24

$1,297

Fly from

Fly to

Route

Depart

Return

Price

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 2/11

8:05 am-9:35 am

1 stop31h 30m

Sydney Kingsford Smith

Thu 2/26

11:20 am-4:53 pm

2 stops23h 33m

$1,096

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 2/9

7:41 pm-9:15 am

1 stop19h 34m

Sydney Kingsford Smith

Sun 3/1

11:50 am-2:32 pm

1 stop20h 42m

$1,160

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 1/28

3:58 pm-6:20 am

1 stop20h 22m

Sydney Kingsford Smith

Mon 2/9

11:20 am-2:30 pm

1 stop21h 10m

$1,160

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 2/11

3:58 pm-6:20 am

1 stop20h 22m

Sydney Kingsford Smith

Sun 3/1

2:00 pm-2:43 pm

1 stop18h 43m

$1,160

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 1/25

3:40 pm-8:30 am

2 stops22h 50m

Sydney Kingsford Smith

Sun 2/8

10:40 am-2:50 pm

2 stops22h 10m

$1,165

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 2/9

12:46 pm-8:30 am

2 stops25h 44m

Sydney Kingsford Smith

Sun 3/1

10:40 am-3:02 pm

2 stops22h 22m

$1,165

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 1/24

8:32 pm-7:00 am

1 stop40h 28m

Sydney Kingsford Smith

Mon 2/9

11:20 am-12:19 pm

1 stop18h 59m

$1,168

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Fri 1/30

7:41 pm-9:15 am

1 stop19h 34m

Sydney Kingsford Smith

Thu 2/12

12:10 pm-12:18 pm

1 stop18h 08m

$1,260

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 2/12

11:38 am-7:45 pm

2 stops38h 07m

Sydney Kingsford Smith

Sun 3/1

9:40 pm-10:42 am

2 stops31h 02m

$1,373

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Fri 1/9

5:09 pm-7:45 pm

2 stops32h 36m

Sydney Kingsford Smith

Sun 1/18

9:40 pm-11:38 am

2 stops31h 58m

$1,392

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Showing 1-10 of 26 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 round-trip 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, June is the cheapest month in which you can book a flight from Colorado to Sydney (average of $669). Flying from Colorado to Sydney in January is currently the most expensive (average of $861). 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?

It’s typically best to fly out from Colorado to Sydney in the evening. Doing so could potentially save you 28% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Colorado to Sydney?

Travelers seeking maximum savings on their Colorado to Sydney flight should consider departing on Saturday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

What airport do you fly into for flights to Sydney from Colorado?
Located just 4.6 mi from the city center, 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?
There are many flights that can get you from Colorado to Sydney in 19h 34m. Fly via Air Canada, United Airlines, or Delta to get the fastest option. There are 8348 mi between Colorado and Sydney. This flight may include one or multiple stops.
What are the most popular routes from Colorado to Sydney?
Most travelers choose Denver Intl - Sydney Kingsford Smith, Colorado Springs - Sydney Kingsford Smith or Aspen Pitkin County - Sydney Kingsford Smith when deciding on the best route from Colorado to Sydney.
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 vacation 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, June is the cheapest month in which you can book a flight from Colorado to Sydney (average of $669). Flying from Colorado to Sydney in January is currently the most expensive (average of $861). 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

Parramatta

Wollongong

Manly

Coogee

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Top 8 airlines flying from Colorado to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$745	Average$856	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$786	Average$1,379	FlexibilityNo cancel fee	On-timeN/A
Fiji Airways	Cheapest$791	Average$1,356	FlexibilityNo cancel fee	On-time74%
Qantas Airways	Cheapest$805	Average$899	FlexibilityNo cancel fee	On-time74%
American Airlines	Cheapest$830	Average$864	FlexibilityNo cancel fee	On-time71%
Air New Zealand	Cheapest$834	Average$1,266	FlexibilityNo cancel fee	On-time78%
United Airlines	Cheapest$853	Average$1,460	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$1,009	Average$1,266	FlexibilityNo cancel fee	On-time67%

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$414+ Cheap flights from Colorado to Sydney (SYD)

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Colorado to Sydney with Cheapflights

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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 November 26, 2025.

Most accurate provider

Most trusted provider

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 November 26, 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 November 26, 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 November 26, 2025.

What is the cheapest day to fly from Colorado to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Colorado to Sydney. Price data was last updated on December 16, 2024.

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?

Traveling to a place near Sydney?

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Alternative routes for Colorado to Sydney

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Top 8 airlines flying from Colorado to Sydney

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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 November 26, 2025.