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$461+ Cheap flights from Australia to Colorado

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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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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 septiembre 15, 2025.

Round-trip from

$803
(Kiwi.com)

One-way from

$461
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,092
From Australia to Colorado
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One-way flight from Australia to Colorado
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Highest demand for flights based on searches. 18% potential increase in price ($245 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Australia to Colorado

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 septiembre 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/295:45 pmSYD - DEN
1 stop33h 33mMultiple Airlines
mié. 11/511:45 amDEN - SYD
1 stop25h 40mMultiple Airlines
Deal found 9/13$803
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/285:45 pmSYD - DEN
1 stop33h 33mMultiple Airlines
mar. 11/411:45 amDEN - SYD
1 stop25h 40mMultiple Airlines
Deal found 9/13$817
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/287:40 pmBNE - DEN
1 stop30h 38mMultiple Airlines
mar. 11/411:45 amDEN - BNE
1 stop24h 15mMultiple Airlines
Deal found 9/13$878
This Flighttix deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2911:20 amSYD - DEN
2 stops21h 12mBritish Airways
mié. 11/52:49 pmDEN - SYD
2 stops24h 11mBritish Airways
Deal found 9/13$911
This Trip.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/1910:30 amMEL - DEN
2 stops38h 06mMultiple Airlines
lun. 10/276:00 amDEN - MEL
2 stops34h 00mMultiple Airlines
Deal found 9/13$911
This Flighttix deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2811:20 amSYD - DEN
2 stops21h 12mBritish Airways
mar. 11/42:19 pmDEN - SYD
2 stops24h 41mBritish Airways
Deal found 9/13$919
This BYOjet deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/68:00 amMEL - DEN
2 stops22h 23mMultiple Airlines
jue. 11/2011:49 amDEN - MEL
2 stops32h 26mMultiple Airlines
Deal found 9/14$931
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2811:20 amSYD - DEN
2 stops21h 12mAmerican Airlines
mar. 11/42:19 pmDEN - SYD
2 stops24h 41mAmerican Airlines
Deal found 9/13$934
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2811:50 amSYD - DEN
1 stop19h 36mUnited Airlines
mar. 11/41:25 pmDEN - SYD
2 stops25h 50mUnited Airlines
Deal found 9/12$935
This Gotogate deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/286:40 amMEL - DEN
2 stops22h 57mMultiple Airlines
mar. 11/47:05 pmDEN - MEL
2 stops28h 20mMultiple Airlines
Deal found 9/13$937
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/126:45 pmSYD - DEN
1 stop32h 33mMultiple Airlines
dom. 10/196:00 amDEN - SYD
1 stop32h 30mMultiple Airlines
Deal found 9/14$938
This BestPriceTravel deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/307:40 pmBNE - DEN
1 stop31h 48mQantas Airways
jue. 11/64:45 pmDEN - BNE
1 stop19h 15mQantas Airways
Deal found 9/14$963

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated septiembre 15, 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

mié. 10/29

5:45 pm-10:18 am

1 stop33h 33m

Denver Intl

mié. 11/5

11:45 am-7:25 am

1 stop25h 40m

$803

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

mar. 10/28

5:45 pm-10:18 am

1 stop33h 33m

Denver Intl

mar. 11/4

11:45 am-7:25 am

1 stop25h 40m

$817

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

jue. 2/5

11:20 am-4:40 pm

2 stops47h 20m

Denver Intl

lun. 2/23

7:05 pm-2:40 pm

2 stops25h 35m

$877

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

mié. 2/4

11:15 am-7:15 pm

1 stop26h 00m

Denver Intl

dom. 2/22

1:00 pm-9:00 am

1 stop26h 00m

$887

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

dom. 2/15

11:20 am-12:37 pm

1 stop19h 17m

Denver Intl

mar. 2/24

3:43 pm-9:35 am

1 stop23h 52m

$900

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

lun. 2/16

11:20 am-7:18 pm

1 stop25h 58m

Denver Intl

jue. 2/26

7:05 pm-9:35 am

1 stop20h 30m

$905

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

mié. 10/29

11:20 am-3:32 pm

2 stops21h 12m

Denver Intl

mié. 11/5

2:49 pm-9:00 am

2 stops24h 11m

$911

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

mar. 10/28

9:45 am-6:03 pm

2 stops24h 18m

Denver Intl

mar. 11/4

7:05 pm-8:45 am

1 stop20h 40m

$913

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

mar. 2/17

11:15 am-3:07 pm

2 stops21h 52m

Denver Intl

mar. 3/3

12:21 pm-9:00 am

2 stops26h 39m

$920

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

lun. 2/16

11:15 am-8:15 am

2 stops39h 00m

Denver Intl

lun. 3/2

6:10 am-6:35 am

2 stops30h 25m

$927

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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 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 Australia to Colorado

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

Currently, October is the cheapest month in which you can book a flight from Australia to Colorado (average of $197). Flying from Australia to Colorado in March is currently the most expensive (average of $278). 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 septiembre 15, 2025.

When flying from Australia to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 septiembre 15, 2025.
Read reviews from past customers who have flown Qantas Airways, United Airlines, and American Airlines from Australia to Colorado. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
905 reviews

Comfort

7.5

Food

6.9

Overall

7.5

Boarding

7.7

Crew

8.2

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
Qantas Airways
7.5
Good
905 reviews
Qantas Airways
7.5
Good
905 reviews

Comfort

7.5

Food

6.9

Overall

7.5

Boarding

7.7

Crew

8.2

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
United Airlines
7.4
Good
8,929 reviews
Qantas Airways
7.5
Good
905 reviews

Comfort

7.5

Food

6.9

Overall

7.5

Boarding

7.7

Crew

8.2

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
American Airlines
7.2
Good
10,000 reviews
Qantas Airways
7.5
Good
905 reviews

Comfort

7.5

Food

6.9

Overall

7.5

Boarding

7.7

Crew

8.2

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
Air Canada
7.1
Good
10,000 reviews
Qantas Airways
7.5
Good
905 reviews

Comfort

7.5

Food

6.9

Overall

7.5

Boarding

7.7

Crew

8.2

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

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?

    For as low as $958, Air Canada can have you in Colorado from Australia in 21h 23m. Airlines will cover a distance of 8223 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Australia to Colorado are Delta ($509), Air Canada ($560), and United Airlines ($835).

  • 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 vacation 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, October is the cheapest month in which you can book a flight from Australia to Colorado (average of $197). Flying from Australia to Colorado in March is currently the most expensive (average of $278). 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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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 4 airlines flying from Australia to Colorado

Discover the top 4 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 2,558,603 searches. Data last updated septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$712Average$1,120FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$775Average$1,264FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$1,015Average$1,344FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,056Average$1,416FlexibilityNo cancel feeOn-time69%

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