$537+ Cheap flights to Colorado

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
20 ago — 27 ago1
1 adult

Flights to Colorado in 2025

Find the latest flights to Colorado in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 15 agosto 2025.

Return from

$1,495

One-way from

$537

Popular in

December

Cheapest in

February

Average price

$1,636
5/9-15/9
  • 5/9-15/9
  • 2 total stops
  • 44h 32m total
  • Sydney to Denver
24/10
  • 24/10
  • 2 total stops
  • 23h 27m total
  • Sydney to Colorado
Highest demand for flights based on searches. 19% potential increase in price ($599 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($114 potential savings vs. average return price).
Average for return flights in August 2025

Find flights to Colorado

Browse one-way and return flights deals to Colorado on Cheapflights. Flight deals are based on user searches and were last updated on 15 agosto 2025
Explore Colorado

Find flight deals to Colorado

Cheapest flights to Colorado
Explore the most affordable flight options available to Colorado. Find the lowest fares based on data from user searches, with prices last updated on 15 agosto 2025.

mer 17/910:20SYD - DEN
2 stops22h 20mUnited Airlines
mer 17/919:20DEN - SYD
1 stop19h 35mUnited Airlines
Deal found 15/8$1,432
ven 5/909:30SYD - DEN
1 stop24h 06mMultiple Airlines
lun 15/918:34DEN - SYD
1 stop20h 26mMultiple Airlines
Deal found 14/8$1,495
sab 27/910:20SYD - DEN
2 stops23h 44mMultiple Airlines
sab 4/1016:00DEN - SYD
2 stops22h 55mMultiple Airlines
Deal found 13/8$1,521
ven 3/1009:20SYD - DEN
2 stops39h 26mAir Canada
ven 31/1011:44DEN - SYD
2 stops27h 51mAir Canada
Deal found 13/8$1,549
sab 30/811:50SYD - DEN
2 stops23h 50mAir New Zealand
sab 6/917:55DEN - SYD
2 stops24h 40mAir New Zealand
Deal found 14/8$1,584
gio 21/811:50SYD - DEN
2 stops27h 40mAir New Zealand
lun 25/817:55DEN - SYD
2 stops24h 40mAir New Zealand
Deal found 14/8$1,641
dom 31/809:10SYD - DEN
1 stop24h 19mAmerican Airlines
ven 12/906:00DEN - SYD
1 stop33h 05mAmerican Airlines
Deal found 14/8$1,655
mar 26/809:10SYD - DEN
1 stop24h 19mAmerican Airlines
mar 16/911:56DEN - SYD
1 stop27h 09mAmerican Airlines
Deal found 12/8$1,685

Cheapflights Fare Finder

 
Locate flights to Colorado that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 15 agosto 2025.
Use the filters below to find and compare flights to Colorado that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

mer 17/9

10:20-16:40

2 stops22h 20m

Denver Intl

mer 17/9

19:20-06:55

1 stop19h 35m

$1,432

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

mer 4/2

11:20-12:37

1 stop19h 17m

Denver Intl

sab 14/2

20:52-09:35

1 stop42h 43m

$1,494

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

ven 5/9

09:30-17:36

1 stop24h 06m

Denver Intl

lun 15/9

18:34-07:00

1 stop20h 26m

$1,495

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

sab 27/9

10:20-18:04

2 stops23h 44m

Denver Intl

sab 4/10

16:00-07:55

2 stops22h 55m

$1,521

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

ven 3/10

09:20-08:46

2 stops39h 26m

Denver Intl

ven 31/10

11:44-08:35

2 stops27h 51m

$1,549

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

sab 30/8

11:50-19:40

2 stops23h 50m

Denver Intl

sab 6/9

17:55-10:35

2 stops24h 40m

$1,584

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

mar 6/1

11:20-18:26

2 stops25h 06m

Aspen Pitkin County

lun 19/1

07:45-06:20

2 stops28h 35m

$2,955

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

lun 5/1

17:45-18:34

1 stop18h 49m

Aspen Pitkin County

lun 19/1

12:10-07:25

2 stops25h 15m

$3,271

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

lun 5/1

07:30-13:09

2 stops23h 39m

Aspen Pitkin County

lun 19/1

12:26-09:20

3 stops26h 54m

$4,927

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

mar 6/1

19:00-18:25

3 stops41h 25m

Aspen Pitkin County

lun 19/1

10:13-18:50

2 stops38h 37m

$5,582

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 18 results
1
2

Best time to book a flight to Colorado

Have a flexible travel schedule? Discover the best time to fly to 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.

Cheapflights Insights

Everything you need to know about your flight to Colorado

How long is the flight to Colorado?

On average, a flight from Sydney to Colorado takes 22 hours 57 minutes. Flights to Colorado from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to Colorado?

The cheapest airlines flying from Sydney to Colorado are Qantas Airways, United Airlines and Air Canada.

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 13.0 - 58.0 mm per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Colorado when rainfall is around 13.0 mm.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

What are the most popular places to fly to in Colorado?

Destination popularity is based on the amount of flight searches to Colorado in the last few years. This data was updated on 15 agosto 2025.
The most popular places in Colorado to fly to are Denver, Aspen, Colorado Springs, Vail and Montrose.

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated 15 agosto 2025.
See what other customers who have flown with Air New Zealand, Qantas Airways, andVirgin Australia to the United States have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

FAQs about flying to Colorado

  • Can I find cheaper flights to Colorado if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Colorado on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Colorado?

    Based on reviews from Cheapflights users, Qantas Airways is rated the highest out of the airlines that fly to Colorado.

  • What is the cheapest airport to fly to in Colorado?

    Denver Intl is currently the cheapest airport to fly to in Colorado. One-way flights to Denver Intl typically cost $104, while return flights cost around $388.

  • How much is a return flight to Colorado?

    A return flight to Colorado will typically cost around $814, however they can be found for as little as $253.

  • Where does the fastest flight to Colorado depart from?

    For those looking to save time traveling to Colorado, Sydney Kingsford Smith offers the quickest one-way flight (19 hours 17 minutes).

  • Does Denver Intl have car hire?

    Yes. Those touching down at Denver Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Denver Intl?

    Yes. Denver Intl has hotels nearby for those requiring accommodations. The Westin Denver International Airport is the closest property to Denver Intl (0.0 km away from Denver Intl).

See more FAQs

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Certainly. Search results for flights to Colorado shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Colorado today and book when you’re ready!

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