Cheap flights from Australia to Colorado from $674

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
16 Nov — 23 Nov1
1 adult
1 adult, Economy

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 17 October 2025.

Sat 8/1110:35MEL - DEN
2 stops25h 23mAir New Zealand
Sat 15/1113:45DEN - MEL
2 stops25h 40mAir New Zealand
Deal found 16/10$1,415
Sat 1/1112:10MEL - DEN
2 stops22h 48mAir New Zealand
Wed 12/1113:25DEN - MEL
2 stops27h 30mAir New Zealand
Deal found 16/10$1,432
Wed 29/1008:35MEL - DEN
2 stops30h 32mAir New Zealand
Wed 5/1116:05DEN - MEL
2 stops24h 50mAir New Zealand
Deal found 16/10$1,537
Tue 21/1011:15BNE - DEN
2 stops23h 04mAir New Zealand
Mon 3/1116:05DEN - BNE
2 stops24h 50mAir New Zealand
Deal found 16/10$1,558
Sun 16/1110:35MEL - DEN
2 stops29h 20mAir New Zealand
Mon 24/1110:12DEN - MEL
2 stops29h 13mAir New Zealand
Deal found 16/10$1,709
Mon 3/1112:00MEL - DEN
2 stops29h 09mAmerican Airlines
Sun 9/1106:00DEN - MEL
1 stop29h 00mAmerican Airlines
Deal found 16/10$1,720
Tue 18/1106:00MEL - DEN
2 stops23h 31mAmerican Airlines
Mon 24/1108:13DEN - MEL
1 stop26h 47mAmerican Airlines
Deal found 16/10$1,752
Tue 9/1212:10BNE - DEN
2 stops25h 07mAmerican Airlines
Sun 18/108:45DEN - BNE
2 stops28h 15mAmerican Airlines
Deal found 16/10$1,758
Tue 9/1212:10BNE - DEN
2 stops25h 07mAmerican Airlines
Mon 5/116:55DEN - BNE
1 stop20h 35mAmerican Airlines
Deal found 16/10$1,763
Thu 13/1112:00MEL - DEN
1 stop24h 43mAmerican Airlines
Sun 23/1116:45DEN - MEL
2 stops25h 55mAmerican Airlines
Deal found 16/10$1,763
Mon 3/1112:00MEL - DEN
2 stops22h 21mAmerican Airlines
Mon 10/1112:26DEN - MEL
2 stops28h 09mAmerican Airlines
Deal found 16/10$1,774
Sat 1/1112:00MEL - DEN
2 stops24h 26mAmerican Airlines
Wed 12/1109:11DEN - MEL
1 stop25h 49mAmerican Airlines
Deal found 16/10$1,795

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 17 October 2025.

Round-trip from

$1,415

One-way from

$674

Popular in

December

Cheapest in

February

Average price

$1,590
Air New Zealand
  • Air New Zealand
  • 8/11-15/11
  • 4 total stops
  • 51h 03m total
  • Australia to Colorado
15/1
  • 15/1
  • 2 total stops
  • 23h 45m total
  • Australia to Colorado
Highest demand for flights based on searches. 17% potential increase in price ($526 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($99 potential savings vs. average return price).
Average for round-trip flights in October 2025

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 17 October 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

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 9/3

11:45-17:57

2 stops23h 12m

Denver Intl

Tue 24/3

17:51-08:45

2 stops21h 54m

$1,580

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 10/3

14:00-14:53

1 stop17h 53m

Denver Intl

Wed 25/3

21:25-09:05

1 stop18h 40m

$1,626

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Thu 5/3

10:45-19:55

2 stops50h 10m

Denver Intl

Mon 9/3

07:45-07:45

2 stops32h 00m

$1,701

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 10/3

11:20-12:40

1 stop18h 20m

Denver Intl

Wed 25/3

17:01-09:00

2 stops22h 59m

$1,717

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 9/3

13:05-15:45

1 stop19h 40m

Denver Intl

Tue 24/3

13:10-09:00

1 stop26h 50m

$1,732

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 17/2

21:40-23:51

2 stops20h 11m

Denver Intl

Wed 25/2

12:35-19:45

2 stops37h 10m

$1,740

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 10/3

09:55-17:57

2 stops25h 02m

Denver Intl

Wed 25/3

17:51-18:05

2 stops31h 14m

$1,743

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Thu 11/12

12:10-18:16

2 stops23h 06m

Denver Intl

Sun 18/1

19:23-06:00

1 stop17h 37m

$1,758

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Fri 6/3

11:20-20:51

2 stops27h 31m

Aspen Pitkin County

Tue 10/3

18:51-09:00

2 stops45h 09m

$1,788

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 14/2

21:40-11:39

2 stops31h 59m

Denver Intl

Tue 24/2

19:50-19:45

2 stops29h 55m

$1,841

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 60 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 $685). Flying from Australia to Colorado in December is currently the most expensive (average of $1,515). 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 17 October 2025.

It’s optimal to fly from Australia to Colorado at midday. By choosing this option you can save up to 21% 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 17 October 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.

Entertainment

7.5

Food

7.4

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Entertainment

7.5

Food

7.4

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Entertainment

7.5

Food

7.4

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Entertainment

7.5

Food

7.4

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Entertainment

7.5

Food

7.4

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Entertainment

7.5

Food

7.4

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

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 17h 53m. 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.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $972. Air Canada flights start at $1,025 while deals on Delta start at $1,172 one-way.

  • 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 $685). Flying from Australia to Colorado in December is currently the most expensive (average of $1,515). 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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Top 7 airlines flying from Australia to Colorado

Discover the top 7 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 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$999Average$1,924FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,320Average$1,721FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,326Average$1,617FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,468Average$2,258FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,579Average$2,665FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
American AirlinesCheapest$1,627Average$1,747FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qatar AirwaysCheapest$2,749Average$2,800FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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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?

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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.

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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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