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$899+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

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 21 November 2025.

Return from

$1,758

One-way from

$899

Popular in

December

Cheapest in

February

Average price

$1,533
Air New Zealand
  • Air New Zealand
  • 19/3-8/4
  • 4 total stops
  • 50h 10m total
  • Sydney to Denver
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9/4
  • 9/4
  • 3 total stops
  • 31h 50m total
  • Sydney to Colorado
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($349 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($66 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
Search Deals

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 21 November 2025
Explore Colorado
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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 21 November 2025.

Fri 5/1214:00SYD - DEN
2 stops28h 17mMultiple Airlines
Sun 7/1206:00DEN - SYD
2 stops45h 50mMultiple Airlines
Deal found 20/11$1,799
Mon 22/1222:00SYD - DEN
2 stops44h 24mMultiple Airlines
Mon 29/1222:51DEN - SYD
1 stop38h 34mMultiple Airlines
Deal found 19/11$2,091
Tue 16/1206:00SYD - DEN
2 stops46h 12mMultiple Airlines
Sat 17/111:22DEN - SYD
1 stop26h 03mMultiple Airlines
Deal found 19/11$2,094
Tue 16/1206:00SYD - DEN
2 stops46h 12mMultiple Airlines
Thu 15/106:37DEN - SYD
1 stop30h 48mMultiple Airlines
Deal found 19/11$2,143
Tue 16/1206:00SYD - DEN
2 stops46h 12mMultiple Airlines
Tue 13/111:41DEN - SYD
1 stop25h 44mMultiple Airlines
Deal found 19/11$2,173
Tue 16/1206:00SYD - DEN
2 stops46h 12mMultiple Airlines
Wed 14/110:40DEN - SYD
1 stop26h 45mMultiple Airlines
Deal found 19/11$2,214
Fri 5/1211:20SYD - DEN
1 stop22h 34mQantas Airways
Sun 7/1216:45DEN - SYD
1 stop22h 15mQantas Airways
Deal found 20/11$2,296
Mon 22/1222:00SYD - DEN
2 stops44h 24mMultiple Airlines
Sat 17/111:22DEN - SYD
1 stop26h 03mMultiple Airlines
Deal found 19/11$2,335
Tue 16/1206:00SYD - DEN
2 stops46h 12mMultiple Airlines
Mon 12/122:29DEN - SYD
1 stop37h 41mMultiple Airlines
Deal found 19/11$2,346
Thu 4/1217:45SYD - DEN
2 stops35h 46mAmerican Airlines
Mon 8/1212:18DEN - SYD
1 stop24h 37mAmerican Airlines
Deal found 18/11$2,352
Wed 24/1214:00SYD - DEN
2 stops20h 37mUnited Airlines
Fri 2/115:55DEN - SYD
2 stops23h 20mUnited Airlines
Deal found 19/11$2,358
Mon 22/1207:25SYD - DEN
2 stops28h 15mMultiple Airlines
Fri 2/106:00DEN - SYD
2 stops36h 30mMultiple Airlines
Deal found 19/11$2,389

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 21 November 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

Thu 19/3

10:25-18:06

2 stops24h 41m

Denver Intl

Wed 8/4

16:11-07:20

1 stop23h 09m

$1,811

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 13/4

07:00-12:38

2 stops21h 38m

Denver Intl

Tue 28/4

15:58-07:20

2 stops23h 22m

$1,834

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 15/5

09:10-12:28

1 stop19h 18m

Denver Intl

Fri 22/5

17:36-07:05

1 stop21h 29m

$2,120

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 15/5

10:20-14:21

2 stops20h 01m

Denver Intl

Fri 22/5

15:40-07:00

2 stops23h 20m

$2,128

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Thu 19/3

09:40-14:03

1 stop21h 23m

Aspen Pitkin County

Mon 23/3

13:37-07:25

1 stop24h 48m

$2,242

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 19/2

11:20-12:37

1 stop19h 17m

Denver Intl

Thu 19/2

17:30-09:35

2 stops46h 05m

$2,276

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Thu 19/3

11:20-11:33

2 stops41h 13m

Aspen Pitkin County

Mon 23/3

16:33-06:55

1 stop21h 22m

$2,332

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 4/12

17:45-11:31

2 stops35h 46m

Denver Intl

Mon 8/12

12:18-06:55

1 stop24h 37m

$2,352

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 19/12

22:00-00:24

2 stops44h 24m

Denver Intl

Fri 26/12

06:00-07:25

1 stop31h 25m

$2,358

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 24/12

14:00-16:37

2 stops20h 37m

Denver Intl

Fri 2/1

15:55-09:15

2 stops23h 20m

$2,358

Flights are sorted by cheapest return flights first.

Deals found on 20/11

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 19 hours 33 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 most popular airlines that fly to Colorado?

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

Qantas Airways
Qantas Airways
From $989
Air Canada
Air Canada
From $1,324
United Airlines
United Airlines
From $1,438
Air New Zealand
Air New Zealand
From $1,330

What are the cheapest airlines that fly to Colorado?

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

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 21 November 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 21 November 2025.
See what other customers who have flown with Air New Zealand, Qantas Airways, andUnited Airlines to the United States have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
533 reviews
Check prices

Overall

8.0

Entertainment

7.5

Boarding

8.2

Crew

8.5

Food

7.4

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Air New Zealand
8.0
Very Good
533 reviews
Air New Zealand
8.0
Very Good
533 reviews
Check prices

Overall

8.0

Entertainment

7.5

Boarding

8.2

Crew

8.5

Food

7.4

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Qantas Airways
7.5
Good
942 reviews
Air New Zealand
8.0
Very Good
533 reviews
Check prices

Overall

8.0

Entertainment

7.5

Boarding

8.2

Crew

8.5

Food

7.4

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
United Airlines
7.4
Good
9,028 reviews
Air New Zealand
8.0
Very Good
533 reviews
Check prices

Overall

8.0

Entertainment

7.5

Boarding

8.2

Crew

8.5

Food

7.4

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Air Canada
7.1
Good
10,462 reviews
Air New Zealand
8.0
Very Good
533 reviews
Check prices

Overall

8.0

Entertainment

7.5

Boarding

8.2

Crew

8.5

Food

7.4

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.

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 $46, while return flights cost around $107.

  • How much is a return flight to Colorado?

    A return flight to Colorado will typically cost around $108, however they can be found for as little as $107.

  • 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 (17 hours 48 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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Flights to Denver
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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.

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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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