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$169+ 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 6/9. 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
16 Jul — 23 Jul1
1 adult

What to know about flights from Colorado

Discover essential information about flights departing from Colorado, including flight schedules, destinations, airlines operating at the Colorado airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 11 July 2025.

Good round-trip deal

$176 or less

Good one-way deal

$106 or less
Price to beat on a round-trip flight from Colorado.
Price to beat on a one-way flight from Colorado.

Find flights from Colorado

Cheapest flights from Colorado
Explore the most affordable flight options available from Colorado. Find the lowest fares based on data from user searches, with prices last updated on 11 July 2025.

Sat 1/1111:51DEN - SYD
1 stop26h 34mQantas Airways
Mon 10/1111:15SYD - DEN
1 stop19h 09mQantas Airways
Deal found 9/7$1,196
Sun 24/818:50DEN - SYD
1 stop20h 05mAmerican Airlines
Sun 31/809:10SYD - DEN
2 stops23h 32mAmerican Airlines
Deal found 10/7$1,252
Mon 11/820:32DEN - SYD
2 stops50h 08mMultiple Airlines
Fri 22/817:45SYD - DEN
1 stop32h 29mMultiple Airlines
Deal found 10/7$1,714
Wed 10/911:24DEN - SYD
2 stops27h 56mAir Canada
Wed 24/909:20SYD - DEN
2 stops24h 43mAir Canada
Deal found 9/7$1,755
Sun 2/1110:05DEN - BNE
2 stops30h 50mAir New Zealand
Wed 19/1111:10BNE - DEN
2 stops25h 53mAir New Zealand
Deal found 10/7$1,786
Sun 24/819:20DEN - MEL
2 stops23h 30mAir New Zealand
Sun 31/808:35MEL - DEN
2 stops27h 18mAir New Zealand
Deal found 9/7$1,792
Mon 4/819:06ASE - SYD
1 stop19h 54mUnited Airlines
Wed 20/810:20SYD - ASE
1 stop25h 23mUnited Airlines
Deal found 9/7$1,798
Tue 5/812:05ASE - SYD
1 stop26h 30mDelta
Wed 20/809:25SYD - ASE
1 stop24h 26mDelta
Deal found 9/7$1,801
Tue 5/819:05DEN - MEL
2 stops24h 00mAir Canada
Tue 19/806:00MEL - DEN
2 stops22h 28mAir Canada
Deal found 9/7$1,807
Wed 12/1113:25DEN - SYD
2 stops25h 20mAir New Zealand
Wed 26/1111:45SYD - DEN
2 stops26h 01mAir New Zealand
Deal found 9/7$1,818
Wed 24/919:05DEN - MEL
2 stops23h 30mMultiple Airlines
Tue 14/1007:10MEL - DEN
2 stops22h 19mMultiple Airlines
Deal found 9/7$1,834
Thu 7/817:59DEN - BNE
2 stops24h 36mMultiple Airlines
Thu 21/811:40BNE - DEN
2 stops26h 47mMultiple Airlines
Deal found 10/7$1,878

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 11 July 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 1/11

11:51-07:25

1 stop26h 34m

Sydney Kingsford Smith

Mon 10/11

11:15-12:24

1 stop19h 09m

$1,196

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 24/8

18:50-06:55

1 stop20h 05m

Sydney Kingsford Smith

Sun 31/8

09:10-16:42

2 stops23h 32m

$1,252

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 11/8

20:32-14:40

2 stops50h 08m

Sydney Kingsford Smith

Fri 22/8

17:45-10:14

1 stop32h 29m

$1,714

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 10/9

11:24-07:20

2 stops27h 56m

Sydney Kingsford Smith

Wed 24/9

09:20-14:53

1 stop21h 33m

$1,755

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 2/11

10:05-09:55

2 stops30h 50m

Brisbane

Wed 19/11

11:10-20:03

2 stops25h 53m

$1,786

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Sun 24/8

19:20-10:50

2 stops23h 30m

Melbourne

Sun 31/8

08:35-19:53

2 stops27h 18m

$1,792

AspenSydney

ASE - SYD

ASESYD

Aspen Pitkin County

Mon 4/8

19:06-07:00

1 stop19h 54m

Sydney Kingsford Smith

Wed 20/8

10:20-19:43

1 stop25h 23m

$1,798

AspenSydney

ASE - SYD

ASESYD

Aspen Pitkin County

Tue 5/8

12:05-06:35

1 stop26h 30m

Sydney Kingsford Smith

Wed 20/8

09:25-17:51

1 stop24h 26m

$1,801

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Tue 5/8

19:05-11:05

2 stops24h 00m

Melbourne

Tue 19/8

06:00-12:28

2 stops22h 28m

$1,807

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 12/11

13:25-08:45

2 stops25h 20m

Sydney Kingsford Smith

Wed 26/11

11:45-19:46

2 stops26h 01m

$1,818

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 60 results
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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, August is the cheapest month in which you can book a flight from Colorado (average of $870). Flying from Colorado in January will prove the most costly (average of $1,313). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Colorado

Get insights into the airlines that provide service from Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Colorado. In the last 7 days, Cheapflights users made a total of 647,157 searches.
Check out reviews from past customers who have flown Air Tahiti Nui, ANA, andDelta from Colorado to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

9.0

Boarding

8.7

Overall

8.6

Food

7.7

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Crew

9.0

Boarding

8.7

Overall

8.6

Food

7.7

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
8.4
Very Good

Crew

9.0

Boarding

8.7

Overall

8.6

Food

7.7

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
8.0
Very Good

Crew

9.0

Boarding

8.7

Overall

8.6

Food

7.7

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Crew

9.0

Boarding

8.7

Overall

8.6

Food

7.7

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Crew

9.0

Boarding

8.7

Overall

8.6

Food

7.7

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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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 11 July 2025.
  • What is the cheapest month to fly from Colorado?

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

  • 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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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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