HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Australia

$544+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
Sep 8 — Sep 151
Tue 9/8
Tue 9/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Australia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 9, 2026.

This Trip.com deal was found by Cheapflights users on 8/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:30 am -
2 stops46h 35m
Mon 11/96:00 am -
2 stops36h 25m
Deal found 8/6$976
This Trip.com deal was found by Cheapflights users on 8/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:10 pm -
2 stops30h 40m
Tue 9/296:15 am -
3 stops33h 29m
Deal found 8/7$1,001
This Trip.com deal was found by Cheapflights users on 8/8. 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.
Wed 12/96:25 am -
2 stops36h 10m
Wed 12/162:00 pm -
2 stops27h 28m
Deal found 8/8$1,003
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 10/1912:17 pm -
1 stop26h 13m
Thu 10/292:00 pm -
2 stops36h 55m
Deal found 8/4$1,005
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Thu 10/226:30 am -
1 stop32h 00m
Thu 10/292:00 pm -
2 stops36h 55m
Deal found 8/4$1,017
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Sat 10/1712:17 pm -
1 stop26h 13m
Thu 10/292:00 pm -
2 stops36h 55m
Deal found 8/4$1,018
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Tue 11/312:02 pm -
1 stop24h 48m
Tue 11/1711:25 am -
2 stops39h 30m
Deal found 8/5$1,021
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Tue 9/17:25 am -
1 stop32h 05m
Tue 9/81:15 pm -
2 stops44h 17m
Deal found 8/4$1,024
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 10/1912:17 pm -
1 stop26h 13m
Wed 10/282:00 pm -
2 stops36h 55m
Deal found 8/4$1,025
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 10/1912:17 pm -
1 stop26h 13m
Sun 10/252:00 pm -
2 stops41h 37m
Deal found 8/4$1,027
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Sat 10/1712:17 pm -
1 stop26h 13m
Wed 10/282:00 pm -
2 stops36h 55m
Deal found 8/4$1,038
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Fri 9/111:10 pm -
1 stop25h 35m
Thu 10/152:20 pm -
2 stops27h 05m
Deal found 8/4$1,039

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 August 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$976
(Trip.com)

One-way from

$544
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,418
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. 13% potential increase in price ($212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 9, 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

DenverAdelaide

DEN Denver Intl - ADL Adelaide

DENADL

Denver Intl

Mon 12/28

9:15 pm-10:55 am

2 stops44h 10m

Adelaide

Mon 1/11

12:05 pm-5:50 pm

2 stops23h 15m

$1,188

DenverAdelaide

DEN Denver Intl - ADL Adelaide

DENADL

Denver Intl

Wed 11/4

1:30 pm-10:55 am

2 stops27h 55m

Adelaide

Wed 11/11

12:05 pm-9:27 pm

2 stops26h 52m

$1,190

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Tue 9/8

9:40 am-6:55 am

1 stop29h 15m

Sydney Kingsford Smith

Wed 9/23

9:30 am-8:26 pm

1 stop26h 56m

$1,308

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Tue 9/8

3:20 pm-6:55 am

2 stops23h 35m

Sydney Kingsford Smith

Tue 9/22

10:20 am-7:52 pm

1 stop25h 32m

$1,312

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Tue 9/8

4:45 pm-7:00 am

2 stops22h 15m

Sydney Kingsford Smith

Thu 9/24

9:30 am-1:31 pm

1 stop20h 01m

$1,358

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Mon 9/7

4:45 pm-7:00 am

2 stops22h 15m

Sydney Kingsford Smith

Thu 9/24

10:20 am-9:58 pm

2 stops27h 38m

$1,362

Colorado SpringsMelbourne

COS Colorado Springs - MEL Melbourne

COSMEL

Colorado Springs

Thu 10/1

10:27 am-7:30 am

2 stops53h 03m

Melbourne

Sat 10/17

12:10 pm-9:42 pm

2 stops26h 32m

$1,470

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Wed 11/4

2:17 pm-9:05 am

1 stop24h 48m

Sydney Kingsford Smith

Sun 11/8

11:20 am-1:36 pm

1 stop20h 16m

$1,498

DenverAdelaide

DEN Denver Intl - ADL Adelaide

DENADL

Denver Intl

Thu 11/5

7:00 pm-1:55 pm

2 stops25h 25m

Adelaide

Mon 11/9

6:10 am-12:38 pm

2 stops23h 58m

$1,514

DenverAdelaide

DEN Denver Intl - ADL Adelaide

DENADL

Denver Intl

Thu 11/5

7:00 pm-1:55 pm

2 stops25h 25m

Adelaide

Wed 11/11

6:10 am-12:38 pm

2 stops23h 58m

$1,514

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, April is the cheapest month in which you can book a flight from Colorado to Australia (average of $1,136). Flying from Colorado to Australia in December is currently the most expensive (average of $1,848). 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.

How far ahead should I book a flight from Colorado to Australia?

Booking 6 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colorado to Australia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $1,509, Air New Zealand can have you in Australia from Colorado in 18h 55m. The distance from Colorado to Australia is about 8348 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 $411. However, be on the lookout for offers from Qantas Airways and United 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, April is the cheapest month in which you can book a flight from Colorado to Australia (average of $1,136). Flying from Colorado to Australia in December is currently the most expensive (average of $1,848). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Colorado to Australia

Discover the top 7 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 August 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$117Average$908FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$682Average$741FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$827Average$1,340FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$849Average$1,399FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$853Average$1,498FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$895Average$1,545FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$946Average$1,272FlexibilityNo cancel feeOn-time78%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights