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Cheap flights from Australia to Colorado from $603

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Australia to Colorado

Enter your travel dates to find the best prices.

Cheapest flights from Australia to Colorado
Explore the most affordable flight options available from Australia to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Mon 8/1212:00MEL - DEN
1 stop30h 17mMultiple Airlines
Wed 24/1206:00DEN - MEL
1 stop33h 30mMultiple Airlines
Deal found 26/11$1,302
Thu 4/1211:20SYD - DEN
1 stop19h 03mAir Canada
Mon 8/1211:18DEN - SYD
2 stops28h 17mAir Canada
Deal found 25/11$1,305
Wed 3/1211:20SYD - DEN
2 stops41h 01mAir Canada
Mon 12/119:05DEN - SYD
2 stops29h 00mAir Canada
Deal found 25/11$1,324
Thu 4/1211:20SYD - DEN
1 stop19h 03mAir Canada
Mon 12/119:05DEN - SYD
2 stops29h 00mAir Canada
Deal found 25/11$1,356
Fri 5/1211:20SYD - DEN
2 stops41h 01mAir Canada
Mon 12/119:05DEN - SYD
2 stops29h 00mAir Canada
Deal found 25/11$1,398
Thu 27/1119:40BNE - DEN
1 stop37h 25mAmerican Airlines
Mon 1/1219:17DEN - BNE
1 stop40h 43mAmerican Airlines
Deal found 25/11$1,448
Sat 6/1216:00SYD - DEN
2 stops36h 21mAir Canada
Mon 12/119:05DEN - SYD
2 stops29h 00mAir Canada
Deal found 25/11$1,471
Tue 9/1211:20SYD - DEN
2 stops47h 20mAir Canada
Mon 12/115:53DEN - SYD
2 stops32h 12mAir Canada
Deal found 25/11$1,482
Sun 7/1211:20SYD - DEN
1 stop19h 17mAir Canada
Mon 12/119:05DEN - SYD
2 stops29h 00mAir Canada
Deal found 25/11$1,504
Wed 3/1211:20SYD - DEN
1 stop24h 19mQantas Airways
Tue 13/117:29DEN - SYD
1 stop43h 26mQantas Airways
Deal found 25/11$1,518
Wed 3/1211:20SYD - DEN
2 stops41h 01mAir Canada
Sun 11/108:05DEN - SYD
1 stop31h 30mAir Canada
Deal found 25/11$1,547
Wed 24/1211:50SYD - ASE
1 stop20h 37mUnited Airlines
Sat 17/119:27ASE - SYD
1 stop40h 53mUnited Airlines
Deal found 26/11$1,702

Cheap flight deals from Australia to Colorado

Keep the following information in mind while searching for Australia to Colorado flight deals. Data was last updated 27 November 2025.

Round-trip from

$1,224

One-way from

$603

Popular in

December

Cheapest in

February

Average price

$1,525
Air Canada
  • Air Canada
  • 19/1-2/2
  • 2 total stops
  • 41h 59m total
  • Australia to Colorado
Search Deals
2/2
  • 2/2
  • 2 total stops
  • 27h 31m total
  • Australia to Colorado
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($533 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($100 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Australia to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 27 November 2025.
Use the filters below to find and compare flights from Australia to Colorado that are best for you.

Fly from

Australia

Fly to

Colorado

Route

Depart

Return

Price

SydneyColorado Springs

SYD - COS

SYDCOS

Sydney Kingsford Smith

Thu 19/3

17:45-12:48

2 stops36h 03m

Colorado Springs

Mon 23/3

12:30-06:55

2 stops49h 25m

$1,399

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Fri 20/3

11:20-13:08

1 stop18h 48m

Aspen Pitkin County

Tue 24/3

18:49-09:00

2 stops45h 11m

$1,453

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 9/12

11:20-12:23

1 stop19h 03m

Denver Intl

Mon 12/1

12:52-06:55

1 stop24h 03m

$1,518

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 8/12

11:20-15:54

1 stop22h 34m

Denver Intl

Mon 12/1

15:17-06:55

1 stop21h 38m

$1,518

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 6/12

17:45-12:06

1 stop36h 21m

Denver Intl

Tue 13/1

17:29-06:55

1 stop43h 26m

$1,593

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 7/12

17:45-18:44

1 stop18h 59m

Denver Intl

Sat 10/1

12:53-07:25

1 stop24h 32m

$1,593

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 7/12

17:45-18:44

1 stop18h 59m

Denver Intl

Wed 7/1

12:53-07:25

1 stop24h 32m

$1,593

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Sat 14/2

11:50-09:52

2 stops39h 02m

Denver Intl

Thu 19/2

22:51-05:00

1 stop37h 09m

$1,599

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 22/1

13:55-18:18

2 stops22h 23m

Denver Intl

Mon 26/1

11:22-19:05

2 stops37h 43m

$1,657

PerthDenver

PER - DEN

PERDEN

Perth

Wed 18/2

22:55-17:44

2 stops33h 49m

Denver Intl

Sun 22/2

08:05-21:35

2 stops46h 30m

$1,720

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 49 results
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Best time to book a flight from Australia to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Australia 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 Australia to Colorado

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

Currently, February is the cheapest month in which you can book a flight from Australia to Colorado (average of $684). Flying from Australia to Colorado in December is currently the most expensive (average of $1,490). 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 AU to CO?

Find hourly flight availability from Australia to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 November 2025.

It’s optimal to fly from Australia to Colorado at midday. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly return from Australia to Colorado. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Australia to Colorado flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated 27 November 2025.
Get a feel of what it's like to fly with Air New Zealand, Virgin Australia, andQantas Airways from Australia to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
537 reviews
Check prices

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Air New Zealand
8.0
Very Good
537 reviews
Air New Zealand
8.0
Very Good
537 reviews
Check prices

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Virgin Australia
7.6
Good
425 reviews
Air New Zealand
8.0
Very Good
537 reviews
Check prices

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Qantas Airways
7.5
Good
944 reviews
Air New Zealand
8.0
Very Good
537 reviews
Check prices

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
United Airlines
7.4
Good
9,046 reviews
Air New Zealand
8.0
Very Good
537 reviews
Check prices

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Air Canada
7.1
Good
10,481 reviews
Air New Zealand
8.0
Very Good
537 reviews
Check prices

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Food

7.4

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.

Related info for your journey

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

  • How long is the flight from Australia to Colorado?

    Departing from Australia to Colorado will take you 19h 03m. The distance from Australia to Colorado is about 13435 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Australia to Colorado that include hotel bookings?

    Yes. In addition to deals on Australia to Colorado flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Australia to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Colorado.

  • Can I find deals for business class flights from Australia to Colorado?

    Yes. Cheapflights offers flight deals from Australia to Colorado 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 Australia to Colorado?

    Currently, February is the cheapest month in which you can book a flight from Australia to Colorado (average of $684). Flying from Australia to Colorado in December is currently the most expensive (average of $1,490). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Australia to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Australia to Colorado

Discover the top 6 airlines that operate flights from Australia to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$984Average$1,675FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,318Average$1,674FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,324Average$1,597FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,362Average$2,255FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,375Average$2,914FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
American AirlinesCheapest$1,636Average$1,738FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Australia to Colorado?

When you search for this flight from Australia to Colorado, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Australia to Colorado?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Australia to Colorado for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Australia to Colorado with no change fees?

Yes, we can. To see specific flights from Australia to Colorado with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Australia to Colorado become cheaper?

Not ready to book yet? You can track prices for flights from Australia to Colorado on Cheapflights with our Price Alert feature and get notified when better prices are available.

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