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$392+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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Cheap 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 March 11, 2026.

This Trip.com deal was found by Cheapflights users on 3/9. 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 4/59:20 am
DEN
-
BNE
2 stops33h 15m
Multiple Airlines
Tue 4/2111:35 am
BNE
-
DEN
2 stops24h 14m
Multiple Airlines
Deal found 3/9$820
This BusinessClass deal was found by Cheapflights users on 3/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:05 pm
DEN
-
BNE
1 stop20h 00m
Multiple Airlines
Mon 4/2710:00 am
BNE
-
DEN
2 stops38h 50m
Multiple Airlines
Deal found 3/10$908
This Trip.com deal was found by Cheapflights users on 3/8. 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 5/186:05 am
DEN
-
SYD
2 stops38h 00m
Multiple Airlines
Mon 6/11:15 pm
SYD
-
DEN
2 stops22h 02m
Multiple Airlines
Deal found 3/8$918
This Air Canada deal was found by Cheapflights users on 3/6. 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 5/137:50 pm
DEN
-
BNE
1 stop19h 15m
Air Canada
Wed 5/2710:00 am
BNE
-
DEN
1 stop23h 00m
Air Canada
Deal found 3/6$919
This BusinessClass deal was found by Cheapflights users on 3/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:05 pm
DEN
-
BNE
1 stop20h 00m
Multiple Airlines
Fri 4/2410:00 am
BNE
-
DEN
2 stops38h 50m
Multiple Airlines
Deal found 3/10$945
This Air Canada deal was found by Cheapflights users on 3/8. 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 5/137:50 pm
DEN
-
BNE
1 stop19h 15m
Air Canada
Fri 5/2210:00 am
BNE
-
DEN
1 stop23h 00m
Air Canada
Deal found 3/8$956
This Air Canada deal was found by Cheapflights users on 3/7. 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.
Mon 5/411:20 am
DEN
-
BNE
2 stops27h 45m
Multiple Airlines
Mon 5/188:50 pm
BNE
-
DEN
2 stops31h 43m
Multiple Airlines
Deal found 3/7$970
This Air Canada deal was found by Cheapflights users on 3/7. 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 4/227:05 pm
DEN
-
BNE
1 stop20h 00m
Air Canada
Wed 4/2910:00 am
BNE
-
DEN
1 stop18h 35m
Air Canada
Deal found 3/7$975
This Travelocity deal was found by Cheapflights users on 3/8. 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.
Sat 4/116:05 pm
DEN
-
ADL
3 stops50h 15m
Air Canada
Mon 4/207:00 pm
ADL
-
DEN
2 stops38h 20m
Air Canada
Deal found 3/8$982
This BusinessClass deal was found by Cheapflights users on 3/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:05 pm
DEN
-
ADL
2 stops50h 15m
Multiple Airlines
Mon 4/208:00 pm
ADL
-
DEN
2 stops32h 05m
Multiple Airlines
Deal found 3/8$984
This FlightHub deal was found by Cheapflights users on 3/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:19 am
DEN
-
BNE
2 stops27h 46m
Air Canada
Tue 4/2110:00 am
BNE
-
DEN
2 stops22h 03m
Air Canada
Deal found 3/7$985
This Air Canada deal was found by Cheapflights users on 3/10. 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 3/197:05 pm
DEN
-
BNE
1 stop20h 40m
Air Canada
Tue 4/148:45 pm
BNE
-
DEN
2 stops31h 48m
Air Canada
Deal found 3/10$990

Find flight deals from Colorado to Australia

Keep the following information in mind while searching for Colorado to Australia flight deals. Data was last updated March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$820
(Trip.com)

One-way from

$392
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$1,221
Provider with most accurate pricing for Denver Intl-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Sydney Kingsford Smith flights.
Search Deals
From Colorado to Australia
Search Deals
One-way flight from Colorado to Australia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($164 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 11, 2026.
Use the filters below to find and compare flights from Colorado to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Tue 4/21

7:05 pm-7:05 am

1 stop20h 00m

Brisbane

Wed 4/29

10:00 am-12:35 pm

1 stop18h 35m

$919

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Wed 4/22

11:20 am-7:05 am

2 stops27h 45m

Brisbane

Wed 4/29

10:00 am-12:35 pm

1 stop18h 35m

$985

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Wed 5/13

7:50 pm-7:05 am

1 stop19h 15m

Brisbane

Wed 5/27

6:05 pm-12:35 pm

2 stops34h 30m

$990

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Mon 3/23

7:05 pm-3:25 pm

2 stops27h 50m

Adelaide

Wed 4/8

7:35 pm-12:35 pm

2 stops32h 30m

$1,015

DenverMelbourne

DEN - AVV

DENAVV

Denver Intl

Thu 5/14

7:50 pm-10:50 pm

2 stops35h 00m

Melbourne Avalon

Thu 5/28

8:55 pm-5:00 pm

2 stops36h 05m

$1,063

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Wed 5/6

11:19 am-7:05 am

2 stops27h 46m

Brisbane

Sun 5/10

10:00 am-11:10 pm

1 stop29h 10m

$1,091

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 6/7

11:45 am-11:05 am

2 stops31h 20m

Brisbane

Sat 6/20

7:35 pm-6:32 am

2 stops50h 57m

$1,165

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Mon 3/16

7:45 am-9:20 am

1 stop33h 05m

Adelaide

Mon 3/23

2:15 pm-4:40 pm

1 stop18h 55m

$1,198

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Tue 4/7

9:55 am-11:30 am

3 stops33h 35m

Brisbane

Thu 4/30

8:45 pm-5:00 pm

2 stops36h 15m

$1,198

Colorado SpringsSydney

COS - SYD

COSSYD

Colorado Springs

Sat 5/9

11:43 am-7:00 am

2 stops51h 17m

Sydney Kingsford Smith

Wed 5/13

10:20 am-6:22 pm

2 stops24h 02m

$1,205

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 60 resultsSorted by cheapest first
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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, July is the cheapest month in which you can book a flight from Colorado to Australia (average of $167). Flying from Colorado to Australia in April is currently the most expensive (average of $822). 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 $919, Air Canada can have you in Australia from Colorado in 20h. The distance from Colorado to Australia is about 8012 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 $352. However, be on the lookout for offers from Alaska Airlines and Qantas Airways, 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, July is the cheapest month in which you can book a flight from Colorado to Australia (average of $167). Flying from Colorado to Australia in April is currently the most expensive (average of $822). 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 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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$117Average$1,203FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$682Average$1,061FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$698Average$1,091FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$745Average$856FlexibilityNo cancel feeOn-time75%
Qantas AirwaysCheapest$765Average$1,462FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$827Average$1,263FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$853Average$1,460FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$946Average$1,284FlexibilityNo cancel feeOn-time78%

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