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$444+ Cheap flights from Colorado to Australia

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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheap flight deals from Colorado to Australia

Keep the following information in mind while searching for Colorado to Australia flight deals. Data was last updated January 14, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$844
(Trip.com)

One-way from

$444
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$1,291
Provider with most accurate pricing for Denver Intl-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Sydney Kingsford Smith flights.
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From Colorado to Australia
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One-way flight from Colorado to Australia
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Highest demand for flights based on searches. 20% potential increase in price ($284 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Colorado to Australia

Cheapest flights from Colorado to Australia
Explore the most affordable flight options available from Colorado to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 14, 2026.

This Trip.com deal was found by Cheapflights users on 1/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:50 am
DEN
-
BNE
2 stops29h 45m
Multiple Airlines
Sat 3/711:50 am
BNE
-
DEN
2 stops29h 40m
Multiple Airlines
Deal found 1/14$815
This Trip.com deal was found by Cheapflights users on 1/13. 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.
Fri 2/276:00 am
DEN
-
BNE
2 stops35h 25m
Multiple Airlines
Fri 3/611:25 am
BNE
-
DEN
2 stops30h 05m
Multiple Airlines
Deal found 1/13$859
This Trip.com deal was found by Cheapflights users on 1/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/411:25 am
DEN
-
SYD
2 stops31h 10m
Multiple Airlines
Mon 2/92:00 pm
SYD
-
DEN
2 stops27h 29m
Multiple Airlines
Deal found 1/12$866
This Trip.com deal was found by Cheapflights users on 1/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:30 am
DEN
-
MEL
2 stops33h 00m
Multiple Airlines
Wed 2/186:45 am
MEL
-
DEN
2 stops28h 36m
Multiple Airlines
Deal found 1/12$877
This Trip.com deal was found by Cheapflights users on 1/13. 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.
Mon 2/96:05 am
DEN
-
SYD
1 stop32h 55m
Multiple Airlines
Fri 2/207:05 am
SYD
-
DEN
2 stops29h 00m
Multiple Airlines
Deal found 1/13$925
This Air Canada deal was found by Cheapflights users on 1/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/87:25 pm
DEN
-
BNE
2 stops44h 20m
Air Canada
Sun 3/229:45 am
BNE
-
DEN
1 stop18h 52m
Air Canada
Deal found 1/12$949
This Trip.com deal was found by Cheapflights users on 1/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1011:30 am
DEN
-
MEL
2 stops27h 55m
Multiple Airlines
Tue 2/1712:10 pm
MEL
-
DEN
2 stops23h 50m
Multiple Airlines
Deal found 1/12$971
This Air Canada deal was found by Cheapflights users on 1/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/54:11 pm
DEN
-
BNE
1 stop22h 54m
Multiple Airlines
Sat 4/188:40 pm
BNE
-
DEN
2 stops31h 58m
Multiple Airlines
Deal found 1/13$976
This Air Canada deal was found by Cheapflights users on 1/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/87:25 pm
DEN
-
BNE
2 stops44h 20m
Multiple Airlines
Sun 3/225:00 am
BNE
-
DEN
2 stops23h 37m
Multiple Airlines
Deal found 1/12$989
This Gurufare deal was found by Cheapflights users on 1/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:05 am
DEN
-
BNE
1 stop31h 40m
Air New Zealand
Thu 2/2610:45 am
BNE
-
DEN
2 stops39h 08m
Air New Zealand
Deal found 1/12$996
This Travelocity deal was found by Cheapflights users on 1/13. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:25 am
DEN
-
BNE
1 stop29h 40m
Air Canada
Fri 5/2210:00 am
BNE
-
DEN
1 stop24h 17m
Air Canada
Deal found 1/13$1,001
This Trip.com deal was found by Cheapflights users on 1/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:00 am
DEN
-
MEL
2 stops36h 25m
Multiple Airlines
Fri 3/61:55 pm
MEL
-
DEN
2 stops28h 35m
Multiple Airlines
Deal found 1/12$1,002

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Australia 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 14, 2026.
Use the filters below to find and compare flights from Colorado to Australia that are best for you.

Fly from

Colorado

Fly to

Australia

Route

Depart

Return

Price

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Fri 2/27

6:00 am-10:25 am

2 stops35h 25m

Brisbane

Fri 3/6

11:25 am-12:30 am

2 stops30h 05m

$859

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Tue 2/10

11:30 am-9:25 am

2 stops27h 55m

Melbourne

Tue 2/17

12:10 pm-6:00 pm

2 stops23h 50m

$971

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 4/5

4:11 pm-7:05 am

1 stop22h 54m

Brisbane

Sat 4/18

8:40 pm-12:38 pm

2 stops31h 58m

$976

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 3/8

7:25 pm-7:45 am

2 stops44h 20m

Brisbane

Sun 3/22

9:45 am-8:54 am

2 stops39h 09m

$989

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 2/22

8:05 am-8:45 am

1 stop31h 40m

Brisbane

Thu 2/26

10:45 am-8:53 am

2 stops39h 08m

$996

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 2/22

7:05 pm-8:45 am

1 stop20h 40m

Brisbane

Thu 2/26

10:45 am-12:37 pm

1 stop18h 52m

$1,002

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Sun 4/5

7:05 pm-2:35 pm

2 stops28h 00m

Adelaide

Sat 4/18

7:35 pm-12:33 pm

2 stops32h 28m

$1,006

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Thu 2/26

8:05 am-8:45 am

1 stop31h 40m

Brisbane

Thu 3/5

10:45 am-8:54 am

2 stops39h 09m

$1,020

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sat 2/28

3:56 pm-8:45 am

1 stop23h 49m

Brisbane

Sat 3/7

10:45 am-7:54 am

2 stops38h 09m

$1,020

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Sun 2/22

6:00 am-9:25 am

2 stops33h 25m

Melbourne

Fri 3/20

12:10 pm-12:30 am

2 stops29h 20m

$1,025

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

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

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

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

Currently, March is the cheapest month in which you can book a flight from Colorado to Australia (average of $415). Flying from Colorado to Australia in December is currently the most expensive (average of $827). 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.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Australia. 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 Colorado to Australia?

    For as low as $1,141, Air Canada can have you in Australia from Colorado in 23h 22m. The distance from Colorado to Australia is about 8781 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $353. However, be on the lookout for offers from Qantas Airways and Alaska Airlines, as they are both options that can get you from Colorado to Australia for a low price.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Colorado to Australia (average of $415). Flying from Colorado to Australia in December is currently the most expensive (average of $827). 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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Top 8 airlines flying from Colorado to Australia

Discover the top 8 airlines that operate flights from Colorado to Australia. 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 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$277Average$1,380FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$684Average$1,319FlexibilityNo cancel feeOn-time74%
Alaska AirlinesCheapest$745Average$856FlexibilityNo cancel feeOn-time75%
Qantas AirwaysCheapest$765Average$1,254FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$803Average$898FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$827Average$1,282FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$834Average$1,296FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$853Average$1,485FlexibilityNo cancel feeOn-time69%

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