How long is the flight from Colorado to Sydney?

There are many flights that can get you from Colorado to Sydney in 23h 51m. Fly via United Airlines, Delta, or Cathay Pacific to get the fastest option. There are 8348 mi between Colorado and Sydney. This flight may include one or multiple stops.

What are the cheapest airlines to fly from Colorado to Sydney one-way?

$411 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Qantas Airways and Delta, with prices starting from $424 and $623, respectively.

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, Aspen Pitkin County - Sydney Kingsford Smith or Colorado Springs - 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 Qantas Airways, Air Canada or United Airlines when booking your flight. These represent the most popular airlines when flying from Colorado to Sydney.

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 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.

$538+ Cheap Flights from Colorado to Sydney

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Colorado to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Colorado to Sydney

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 August 14, 2026.

Wed 9/1612:42 pm -

2 stops31h 08m

Wed 10/72:15 pm -

3 stops26h 29m

Deal found 8/14

$982

Mon 11/912:02 pm -

2 stops30h 33m

Thu 11/122:00 pm -

2 stops28h 25m

Deal found 8/12

$990

Thu 10/226:30 am -

1 stop32h 00m

Thu 10/292:00 pm -

2 stops36h 55m

Deal found 8/10

$1,022

Sun 11/812:02 pm -

2 stops30h 33m

Mon 11/162:00 pm -

2 stops28h 25m

Deal found 8/10

$1,023

Sat 10/2410:29 pm -

1 stop38h 56m

Tue 11/102:00 pm -

2 stops37h 55m

Deal found 8/10

$1,024

Fri 11/612:02 pm -

2 stops40h 03m

Mon 11/162:00 pm -

2 stops28h 25m

Deal found 8/10

$1,028

Wed 10/2112:17 pm -

1 stop26h 13m

Thu 10/292:00 pm -

2 stops36h 55m

Deal found 8/10

$1,045

Fri 10/3010:29 pm -

1 stop38h 56m

Wed 11/42:00 pm -

2 stops22h 12m

Deal found 8/10

$1,050

Sat 10/2412:17 pm -

1 stop25h 08m

Thu 10/292:00 pm -

2 stops36h 55m

Deal found 8/10

$1,051

Tue 10/2712:02 pm -

1 stop25h 23m

Tue 11/32:00 pm -

2 stops37h 55m

Deal found 8/10

$1,055

Thu 8/137:12 pm -

1 stop19h 48m

Mon 8/249:30 am -

1 stop26h 56m

Deal found 8/12

$1,288

Wed 11/181:28 pm -

2 stops25h 37m

Wed 12/29:15 am -

1 stop19h 52m

Deal found 8/9

$1,308

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 August 14, 2026.

Tue 9/89:40 am -

1 stop29h 15m

Wed 9/239:30 am -

1 stop26h 56m

Deal found 8/10

$1,308

Fri 9/2512:02 pm -

1 stop26h 48m

Fri 10/29:15 am -

1 stop27h 05m

Deal found 8/10

$1,408

Wed 8/265:34 pm -

2 stops33h 16m

Sun 8/308:45 pm -

2 stops31h 35m

Deal found 8/10

$1,516

Thu 11/57:03 am -

2 stops30h 12m

Tue 11/1011:05 am -

2 stops48h 34m

Deal found 8/13

$1,572

Tue 9/82:15 pm -

2 stops24h 45m

Tue 9/229:30 am -

1 stop20h 04m

Deal found 8/11

$1,308

Wed 11/185:10 pm -

2 stops21h 55m

Wed 12/211:20 am -

2 stops26h 48m

Deal found 8/9

$1,312

Tue 1/1912:59 pm -

1 stop23h 51m

Tue 2/910:40 am -

1 stop25h 30m

Deal found 8/12

$1,509

Tue 9/82:15 pm -

2 stops24h 45m

Thu 9/249:30 am -

1 stop27h 25m

Deal found 8/10

$1,362

Mon 10/267:10 pm -

1 stop19h 20m

Thu 11/510:40 am -

1 stop18h 46m

Deal found 8/10

$1,559

Fri 9/253:20 pm -

2 stops23h 35m

Fri 10/29:30 am -

1 stop20h 01m

Deal found 8/10

$1,408

Fri 9/251:00 pm -

2 stops25h 50m

Mon 10/510:15 am -

2 stops29h 25m

Deal found 8/11

$1,564

Sat 11/287:49 pm -

1 stop18h 41m

Fri 12/1810:40 am -

1 stop31h 18m

Deal found 8/12

$1,630

Sat 11/712:05 pm -

1 stop24h 55m

Wed 11/119:15 am -

1 stop20h 04m

Deal found 8/13

$1,498

Sat 11/72:17 pm -

1 stop24h 48m

Wed 11/1111:20 am -

1 stop20h 16m

Deal found 8/10

$1,498

Sat 11/142:17 pm -

1 stop24h 48m

Wed 11/1811:20 am -

1 stop20h 16m

Deal found 8/13

$1,498

Tue 11/176:25 am -

3 stops41h 30m

Tue 12/13:50 pm -

3 stops49h 09m

Deal found 8/10

$2,709

Mon 9/287:45 pm -

1 stop19h 15m

Mon 10/511:20 am -

1 stop18h 11m

Deal found 8/13

$1,908

Sun 11/155:25 am -

2 stops33h 05m

Sun 12/610:40 am -

1 stop19h 07m

Deal found 8/13

$3,194

Fri 12/189:15 pm -

1 stop41h 50m

Mon 12/2811:20 am -

1 stop18h 58m

Deal found 8/11

$2,572

Thu 12/179:15 pm -

1 stop41h 50m

Thu 12/311:20 pm -

1 stop25h 08m

Deal found 8/12

$2,621

Last-minute flights from Colorado to Sydney
Discover last-minute flight deals from Colorado to Sydney. Data last updated August 14, 2026 and is based on user searches.

Thu 8/137:12 pm -

1 stop19h 48m

Mon 8/249:30 am -

1 stop26h 56m

Deal found 8/12

$1,288

Thu 8/139:40 am -

1 stop29h 15m

Sat 8/2210:20 am -

1 stop25h 32m

Deal found 8/12

$1,338

Wed 8/195:45 pm -

2 stops23h 00m

Wed 9/911:55 am -

2 stops26h 23m

Deal found 8/11

$1,137

Tue 9/82:15 pm -

2 stops24h 45m

Tue 9/229:30 am -

1 stop20h 04m

Deal found 8/11

$1,308

Tue 9/82:15 pm -

2 stops24h 45m

Wed 9/239:30 am -

1 stop20h 04m

Deal found 8/10

$1,312

Wed 9/911:45 am -

2 stops29h 00m

Wed 9/169:55 am -

2 stops25h 50m

Deal found 8/10

$1,174

Fri 9/117:06 pm -

1 stop20h 24m

Tue 9/299:10 am -

1 stop24h 22m

Deal found 8/13

$1,153

Wed 9/1612:42 pm -

2 stops31h 08m

Wed 10/72:15 pm -

3 stops26h 29m

Deal found 8/14

$982

Sun 9/209:05 am -

2 stops45h 20m

Mon 9/281:15 pm -

3 stops36h 31m

Deal found 8/10

$1,119

Thu 9/249:05 am -

2 stops44h 45m

Wed 9/306:50 am -

3 stops32h 54m

Deal found 8/11

$1,164

Mon 9/281:10 pm -

1 stop26h 20m

Mon 10/52:15 pm -

2 stops36h 17m

Deal found 8/11

$1,112

Mon 9/282:55 pm -

2 stops24h 05m

Mon 10/511:20 am -

2 stops22h 06m

Deal found 8/14

$1,313

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 August 14, 2026.

Sat 9/121:10 pm -

3 stops50h 20m

Deal found 8/13

$538

Sat 9/191:10 pm -

3 stops50h 20m

Deal found 8/13

$544

Thu 9/35:05 am -

3 stops58h 25m

Deal found 8/10

$552

Sat 10/3112:02 pm -

3 stops52h 43m

Deal found 8/12

$584

Fri 10/3010:29 pm -

3 stops53h 21m

Deal found 8/12

$590

Tue 9/810:39 pm -

1 stop40h 51m

Deal found 8/13

$595

Wed 10/2812:02 pm -

1 stop25h 23m

Deal found 8/12

$596

Fri 9/117:06 pm -

2 stops56h 04m

Deal found 8/13

$602

Wed 9/910:44 pm -

1 stop40h 46m

Deal found 8/13

$608

Mon 9/1410:44 pm -

1 stop40h 46m

Deal found 8/13

$612

Tue 12/2911:18 am -

2 stops28h 02m

Deal found 8/12

$858

Fri 1/151:40 pm -

1 stop25h 25m

Deal found 8/13

$858

Find flight deals from Colorado to Sydney

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$982 (Trip.com)
One-way from	$538 (Kiwi.com)
Popular in	December
Cheapest in	May
Average price	$1,418

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

Search Deals

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

Search Deals

From Colorado to Sydney Kingsford Smith

Search Deals

One-way flight from Colorado to Sydney Kingsford Smith

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($212 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Tue 9/8

9:40 am-6:55 am

1 stop29h 15m

Sydney Kingsford Smith

Wed 9/23

9:30 am-8:26 pm

1 stop26h 56m

$1,308

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Tue 9/8

2:15 pm-7:00 am

2 stops24h 45m

Sydney Kingsford Smith

Tue 9/22

9:30 am-1:34 pm

1 stop20h 04m

$1,308

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Wed 11/18

5:10 pm-9:05 am

2 stops21h 55m

Sydney Kingsford Smith

Wed 12/2

11:20 am-8:08 pm

2 stops26h 48m

$1,312

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Tue 9/8

2:15 pm-7:00 am

2 stops24h 45m

Sydney Kingsford Smith

Thu 9/24

9:30 am-8:55 pm

1 stop27h 25m

$1,362

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Fri 9/25

12:02 pm-6:50 am

1 stop26h 48m

Sydney Kingsford Smith

Fri 10/2

9:15 am-8:20 pm

1 stop27h 05m

$1,408

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Fri 9/25

3:20 pm-6:55 am

2 stops23h 35m

Sydney Kingsford Smith

Fri 10/2

9:30 am-1:31 pm

1 stop20h 01m

$1,408

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Sat 11/7

12:05 pm-7:00 am

1 stop24h 55m

Sydney Kingsford Smith

Wed 11/11

9:15 am-11:19 am

1 stop20h 04m

$1,498

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Sat 11/7

2:17 pm-9:05 am

1 stop24h 48m

Sydney Kingsford Smith

Wed 11/11

11:20 am-1:36 pm

1 stop20h 16m

$1,498

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Sat 11/14

2:17 pm-9:05 am

1 stop24h 48m

Sydney Kingsford Smith

Wed 11/18

11:20 am-1:36 pm

1 stop20h 16m

$1,498

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 1/19

12:59 pm-6:50 am

1 stop23h 51m

Sydney Kingsford Smith

Tue 2/9

10:40 am-6:10 pm

1 stop25h 30m

$1,509

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 38 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 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

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 $1,180). Flying from Colorado to Sydney in December is currently the most expensive (average of $1,797). 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 to fly round-trip from Colorado to Sydney?

Airfare is below average for this route at the moment.

Colorado to Sydney flights typically cost between $1,054 and $1,804 in September.
The cheapest round-trip price found within the last 5 days was $982 on Multiple Airlines (Sep 16-Oct 7).

How far ahead should I book a flight from Colorado to Sydney?

To ensure you get the cheapest price possible for a flight from Colorado to Sydney, you should look to book at least 5 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 23h 51m. Fly via United Airlines, Delta, or Cathay Pacific to get the fastest option. There are 8348 mi between Colorado and Sydney. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Colorado to Sydney one-way?
$411 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Qantas Airways and Delta, with prices starting from $424 and $623, respectively.
What are the most popular routes from Colorado to Sydney?
Most travelers choose Denver Intl - Sydney Kingsford Smith, Aspen Pitkin County - Sydney Kingsford Smith or Colorado Springs - 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, May is the cheapest month in which you can book a flight from Colorado to Sydney (average of $1,180). Flying from Colorado to Sydney in December is currently the most expensive (average of $1,797). 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

Coogee

Manly

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Popular flights

Sydney flight routes

Top destinations

Alternative routes for Colorado to Sydney

Los Angeles to Sydney flights

San Francisco to Sydney flights

John F Kennedy Intl to Sydney flights

Newark to Sydney flights

Seattle to Sydney flights

Dallas/Fort Worth to Sydney flights

George Bush Intcntl to Sydney flights

Ontario to Sydney flights

Dulles Intl to Sydney flights

O'Hare Intl to Sydney flights

Baltimore to Sydney flights

Boston to Sydney flights

Reagan-National to Sydney flights

Denver to Sydney flights

Honolulu to Sydney flights

Detroit to Sydney flights

Orlando to Sydney flights

San Diego to Sydney flights

Atlanta to Sydney flights

Minneapolis to Sydney flights

San Jose to Sydney flights

Portland to Sydney flights

Salt Lake City to Sydney flights

Nashville to Sydney flights

Sky Harbor Intl to Sydney flights

Oakland to Sydney flights

Love Field to Sydney flights

Austin to Sydney flights

Raleigh to Sydney flights

Philadelphia to Sydney flights

Pittsburgh to Sydney flights

Tampa to Sydney flights

Charlotte to Sydney flights

Miami to Sydney flights

Lexington to Sydney flights

St. Louis to Sydney flights

Cincinnati to Sydney flights

Cleveland to Sydney flights

San Antonio to Sydney flights

Kansas City to Sydney flights

Burbank to Sydney flights

Las Vegas to Sydney flights

Memphis to Sydney flights

Syracuse to Sydney flights

Fort Myers to Sydney flights

Top 7 airlines flying from Colorado to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$215	Average$1,350	FlexibilityNo cancel fee	On-timeN/A
Fiji Airways	Cheapest$684	Average$781	FlexibilityNo cancel fee	On-time74%
Qantas Airways	Cheapest$849	Average$1,368	FlexibilityNo cancel fee	On-time74%
United Airlines	Cheapest$853	Average$1,457	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$895	Average$1,545	FlexibilityNo cancel fee	On-time71%
Air Canada	Cheapest$1,029	Average$1,357	FlexibilityNo cancel fee	On-time67%
Air New Zealand	Cheapest$1,144	Average$1,286	FlexibilityNo cancel fee	On-time78%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$538+ 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 9/12. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 August 14, 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 August 14, 2026.

Best flights from Colorado to SydneyDiscover 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 August 14, 2026.

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 August 14, 2026.

Last-minute flights from Colorado to SydneyDiscover last-minute flight deals from Colorado to Sydney. Data last updated August 14, 2026 and is based on user searches.

Discover last-minute flight deals from Colorado to Sydney. Data last updated August 14, 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 August 14, 2026.

Search for one-way flight options from Colorado to Sydney. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.

Find flight deals from Colorado to Sydney

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

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

How much does it cost to fly round-trip from Colorado to Sydney?

Airfare is below average for this route at the moment.

Colorado to Sydney flights typically cost between $1,054 and $1,804 in September.The cheapest round-trip price found within the last 5 days was $982 on Multiple Airlines (Sep 16-Oct 7).

How far ahead should I book a flight from Colorado to Sydney?

To ensure you get the cheapest price possible for a flight from Colorado to Sydney, you should look to book at least 5 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 cheapest airlines to fly from Colorado to Sydney one-way?

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Sydney

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

Complete your trip

Complete your trip to Sydney by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Colorado to Sydney by cabin class

Find flights from Colorado to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Colorado and Sydney flights

Browse other Colorado and Sydney flight options. Last updated on August 14, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Sydney

Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2026.

Colorado to Sydney flights

Consider these flights traveling from Colorado to Sydney.

Top 7 airlines flying from Colorado to Sydney

100% Free

Book with Flexibility

Travel Smart

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 August 14, 2026.

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 August 14, 2026.

Last-minute flights from Colorado to Sydney
Discover last-minute flight deals from Colorado to Sydney. Data last updated August 14, 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 August 14, 2026.

Colorado to Sydney flights typically cost between $1,054 and $1,804 in September.
The cheapest round-trip price found within the last 5 days was $982 on Multiple Airlines (Sep 16-Oct 7).