$157+ Cheap flights from Colorado

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DEN — SYD
13 Sep — 20 Sep1
1 adult
1 adult, Economy, 0 bags

Find flights from Colorado within your budget

 
Find flights departing from Colorado that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 14 August 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Sun 25/10

07:55-10:00

2 stops34h 05m

Brisbane

Sat 31/10

18:10-23:15

2 stops45h 05m

$1,637

DenverAdelaide

DEN Denver Intl - ADL Adelaide

DENADL

Denver Intl

Wed 4/11

13:30-10:55

2 stops27h 55m

Adelaide

Wed 11/11

12:05-21:27

2 stops26h 52m

$1,688

DenverAdelaide

DEN Denver Intl - ADL Adelaide

DENADL

Denver Intl

Fri 6/11

16:05-10:55

2 stops25h 20m

Adelaide

Mon 9/11

12:05-17:56

2 stops23h 21m

$1,756

DenverAdelaide

DEN Denver Intl - ADL Adelaide

DENADL

Denver Intl

Fri 6/11

13:30-10:55

2 stops27h 55m

Adelaide

Wed 11/11

12:05-19:44

2 stops25h 09m

$1,757

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Tue 8/9

09:40-06:55

1 stop29h 15m

Sydney Kingsford Smith

Wed 23/9

09:30-20:26

1 stop26h 56m

$1,854

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Tue 8/9

14:15-07:00

2 stops24h 45m

Sydney Kingsford Smith

Tue 22/9

09:30-13:34

1 stop20h 04m

$1,854

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Tue 8/9

14:15-07:00

2 stops24h 45m

Sydney Kingsford Smith

Thu 24/9

09:30-20:55

1 stop27h 25m

$1,930

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Fri 25/9

12:02-06:50

1 stop26h 48m

Sydney Kingsford Smith

Fri 2/10

09:15-20:20

1 stop27h 05m

$1,995
Fastest return journey

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Fri 25/9

15:20-06:55

2 stops23h 35m

Sydney Kingsford Smith

Fri 2/10

09:30-13:31

1 stop20h 01m

$1,995

DenverPerth

DEN Denver Intl - PER Perth

DENPER

Denver Intl

Mon 24/8

16:21-22:40

2 stops40h 19m

Perth

Tue 1/9

00:10-22:21

2 stops36h 11m

$2,052

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Colorado

Have a flexible travel schedule? Discover the best time to fly from Colorado with our price prediction graph.
Estimated return 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.

Travel insights for flights from Colorado

Get recent, data-driven insights about flights from Colorado including ideal travel times, pricing trends, and more.

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

Currently, May is the cheapest month in which you can book a flight from Colorado (average of $1,672). Flying from Colorado in December will prove the most costly (average of $2,547). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Colorado?

When flying from Colorado check dates and pricing for the following: Qantas Airways. As it departs for the following popular destinations: Sydney.

Qantas Airways
Qantas Airways
From $1,279
United Airlines
United Airlines
From $1,313

What is the cheapest place to fly to from Colorado?

The cheapest city to fly to from Colorado is Los Angeles Los Angeles, with prices starting at $47. Explore other affordable destinations below.

Los Angeles Los Angeles
Los Angeles Los Angeles
From $47
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From $112
Calgary
Calgary
From $115
Oklahoma City Will Rogers World
Oklahoma City Will Rogers World
From $169

When is the best time to book a flight from Colorado?

The best time to book flights from Colorado is 5 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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Direct flights from USA

Book a direct flight from one of these other cities located in USA.
Direct flights from Denver
Direct flights from Aspen

Related info for your journey

Access useful and relevant information related to your journey from Colorado. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 14 August 2026.

  • What is the cheapest month to fly from Colorado?

    Currently, the cheapest month for flights from Colorado is May. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Colorado?

    View the cheapest flight destinations from Colorado:
    Fly from Denver to Sydney from $1,343 round trip

  • How does Cheapflights help users find flights from Colorado?

    When you search for this flight from Colorado, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

  • Why should you use Cheapflights to find cheap flight tickets from Colorado?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Colorado for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Colorado with no change fees?

    Yes! Cheapflights helps users easily find flights from Colorado with no change fees.

  • Can Cheapflights notify me if prices for flights from Colorado become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Colorado?

When you search for this flight from Colorado, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets from Colorado?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Colorado for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Colorado with no change fees?

Yes! Cheapflights helps users easily find flights from Colorado with no change fees.

Can Cheapflights notify me if prices for flights from Colorado become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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