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Colorado

$421+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Wed 2/251:45 pm
MEL
-
DEN
2 stops38h 04m
Multiple Airlines
Wed 3/49:31 pm
DEN
-
MEL
1 stop41h 59m
Multiple Airlines
Deal found 1/28$927
This Air Canada deal was found by Cheapflights users on 1/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/149:45 am
BNE
-
DEN
1 stop18h 43m
Air Canada
Sat 3/217:05 pm
DEN
-
BNE
1 stop20h 40m
Air Canada
Deal found 1/28$948
This Trip.com deal was found by Cheapflights users on 1/28. 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.
Sat 3/1411:50 am
BNE
-
DEN
2 stops28h 40m
Multiple Airlines
Sat 3/219:00 am
DEN
-
BNE
2 stops33h 35m
Multiple Airlines
Deal found 1/28$953
This Trip.com deal was found by Cheapflights users on 1/28. 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.
Sat 3/142:00 pm
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Sat 3/219:00 am
DEN
-
SYD
2 stops34h 35m
Multiple Airlines
Deal found 1/28$957
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Wed 4/221:10 pm
SYD
-
DEN
2 stops22h 39m
Multiple Airlines
Wed 5/201:35 pm
DEN
-
SYD
1 stop25h 55m
Multiple Airlines
Deal found 1/26$972
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Mon 2/22:00 pm
SYD
-
DEN
2 stops38h 30m
Multiple Airlines
Mon 2/166:00 am
DEN
-
SYD
1 stop31h 25m
Multiple Airlines
Deal found 1/27$977
This Air Canada deal was found by Cheapflights users on 1/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1810:45 am
BNE
-
DEN
2 stops50h 10m
Air Canada
Sat 2/218:05 am
DEN
-
BNE
1 stop31h 40m
Air Canada
Deal found 1/26$979
This Trip.com deal was found by Cheapflights users on 1/27. 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.
Sun 3/82:00 pm
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Sat 3/149:00 am
DEN
-
SYD
2 stops34h 35m
Multiple Airlines
Deal found 1/27$1,001
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Wed 2/2511:30 am
MEL
-
DEN
1 stop21h 04m
United Airlines
Wed 3/41:27 pm
DEN
-
MEL
1 stop26h 33m
United Airlines
Deal found 1/28$1,018
This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/197:10 am
MEL
-
DEN
2 stops30h 18m
Air Canada
Mon 2/237:05 pm
DEN
-
MEL
2 stops26h 10m
Air Canada
Deal found 1/27$1,023
This BYOjet deal was found by Cheapflights users on 1/26. 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.
Sat 4/259:55 am
SYD
-
DEN
2 stops25h 45m
Air New Zealand
Wed 5/203:44 pm
DEN
-
SYD
2 stops34h 26m
Air New Zealand
Deal found 1/26$1,027
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:45 pm
SYD
-
DEN
2 stops31h 21m
Multiple Airlines
Wed 5/202:57 pm
DEN
-
SYD
2 stops35h 53m
Multiple Airlines
Deal found 1/26$1,029

Find flight deals from Australia to Colorado

Keep the following information in mind while searching for Australia to Colorado flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$927
(Kiwi.com)

One-way from

$421
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$1,335
Provider with most accurate pricing for Sydney Kingsford Smith-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Denver Intl flights.
Search Deals
From Australia to Colorado
Search Deals
One-way flight from Australia to Colorado
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Sat 3/14

9:45 am-12:28 pm

1 stop18h 43m

Denver Intl

Sat 3/21

3:56 pm-11:30 am

2 stops27h 34m

$972

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Wed 2/18

10:45 am-7:55 pm

2 stops50h 10m

Denver Intl

Sat 2/21

5:20 am-8:45 am

2 stops34h 25m

$979

MelbourneDenver

MEL - DEN

MELDEN

Melbourne

Wed 2/25

11:30 am-2:34 pm

1 stop21h 04m

Denver Intl

Wed 3/4

1:27 pm-10:00 am

1 stop26h 33m

$1,018

MelbourneDenver

MEL - DEN

MELDEN

Melbourne

Thu 2/19

7:10 am-12:37 pm

2 stops23h 27m

Denver Intl

Mon 2/23

8:05 am-3:15 pm

2 stops37h 10m

$1,031

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Sat 3/14

10:40 am-2:55 pm

1 stop20h 15m

Denver Intl

Sat 3/21

8:00 pm-6:30 am

2 stops42h 30m

$1,077

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Sun 3/15

10:40 am-6:22 pm

2 stops23h 42m

Denver Intl

Sun 3/22

5:33 pm-6:30 am

2 stops20h 57m

$1,086

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Fri 2/27

11:45 am-7:48 pm

2 stops26h 03m

Aspen Pitkin County

Fri 3/6

4:01 pm-10:30 am

2 stops24h 29m

$1,092

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 4/23

1:15 pm-7:58 pm

2 stops22h 43m

Denver Intl

Tue 5/19

1:35 pm-7:30 am

1 stop25h 55m

$1,094

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 4/26

8:45 pm-12:06 pm

2 stops31h 21m

Denver Intl

Wed 5/20

2:57 pm-6:50 pm

2 stops35h 53m

$1,131

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 4/30

9:10 am-12:07 pm

1 stop18h 57m

Denver Intl

Sun 5/10

6:19 pm-7:05 am

1 stop20h 46m

$1,146

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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, February is the cheapest month in which you can book a flight from Australia to Colorado (average of $444). Flying from Australia to Colorado in December is currently the most expensive (average of $966). 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.

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 January 29, 2026.
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
981 reviews

Comfort

7.5

Crew

8.2

Food

7.0

Overall

7.5

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2026

SYD - LAX

Flight Cancelled after sitting on plane for 1 1/2 hours. Didn't fly till next day. Incurred change fees on my connection in LAX. Next Day flight late. Missed connection on American in LA. AA couldn't rebook. Had to pay $800 to rebook on SW Air.
Qantas Airways
7.5
Good
981 reviews
Qantas Airways
7.5
Good
981 reviews

Comfort

7.5

Crew

8.2

Food

7.0

Overall

7.5

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2026

SYD - LAX

Flight Cancelled after sitting on plane for 1 1/2 hours. Didn't fly till next day. Incurred change fees on my connection in LAX. Next Day flight late. Missed connection on American in LA. AA couldn't rebook. Had to pay $800 to rebook on SW Air.
United Airlines
7.4
Good
9,215 reviews
Qantas Airways
7.5
Good
981 reviews

Comfort

7.5

Crew

8.2

Food

7.0

Overall

7.5

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2026

SYD - LAX

Flight Cancelled after sitting on plane for 1 1/2 hours. Didn't fly till next day. Incurred change fees on my connection in LAX. Next Day flight late. Missed connection on American in LA. AA couldn't rebook. Had to pay $800 to rebook on SW Air.
American Airlines
7.2
Good
11,206 reviews
Qantas Airways
7.5
Good
981 reviews

Comfort

7.5

Crew

8.2

Food

7.0

Overall

7.5

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2026

SYD - LAX

Flight Cancelled after sitting on plane for 1 1/2 hours. Didn't fly till next day. Incurred change fees on my connection in LAX. Next Day flight late. Missed connection on American in LA. AA couldn't rebook. Had to pay $800 to rebook on SW Air.

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 $972, Air Canada can have you in Colorado from Australia in 18h 43m. Airlines will cover a distance of 8012 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 Qantas Airways ($353), Air Canada ($582), and United Airlines ($776).

  • 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, February is the cheapest month in which you can book a flight from Australia to Colorado (average of $444). Flying from Australia to Colorado in December is currently the most expensive (average of $966). 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 3 airlines flying from Australia to Colorado

Discover the top 3 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$718Average$929FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$899Average$1,427FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,057Average$1,106FlexibilityNo cancel feeOn-time71%

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