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$651+ 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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
27 Aug — 3 Sep1
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 22 August 2025.

Return from

$1,424

One-way from

$651

Popular in

December

Cheapest in

February

Average price

$1,661
20/10-27/10
  • 20/10-27/10
  • 4 total stops
  • 52h 32m total
  • Sydney to Denver
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17/10
  • 17/10
  • 2 total stops
  • 23h 27m total
  • Sydney to Colorado
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($617 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($117 potential savings vs. average return price).
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Average for return flights in August 2025
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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 22 August 2025
Explore Colorado
Look for other cheap flights to Denver
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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 22 August 2025.

Mon 20/1014:15SYD - DEN
2 stops27h 37mMultiple Airlines
Mon 27/1018:50DEN - SYD
2 stops24h 55mMultiple Airlines
Deal found 20/8$1,424
Tue 9/909:20SYD - DEN
1 stop21h 33mAir Canada
Thu 18/919:05DEN - SYD
1 stop20h 15mAir Canada
Deal found 19/8$1,510
Thu 30/1010:20SYD - DEN
1 stop23h 06mAir Canada
Mon 10/1117:30DEN - SYD
2 stops46h 05mAir Canada
Deal found 19/8$1,521
Sun 31/809:30SYD - DEN
1 stop25h 34mMultiple Airlines
Mon 15/915:43DEN - SYD
1 stop23h 17mMultiple Airlines
Deal found 22/8$1,527
Sat 25/1011:50SYD - DEN
2 stops24h 50mAir New Zealand
Sat 15/1116:05DEN - SYD
2 stops22h 40mAir New Zealand
Deal found 21/8$1,549
Tue 16/911:50SYD - DEN
2 stops26h 28mAir New Zealand
Wed 24/916:46DEN - SYD
2 stops25h 49mAir New Zealand
Deal found 20/8$1,552
Mon 22/909:10SYD - DEN
2 stops26h 37mAmerican Airlines
Mon 6/1015:59DEN - SYD
2 stops23h 06mAmerican Airlines
Deal found 21/8$1,561
Mon 20/1010:20SYD - DEN
1 stop23h 58mAir Canada
Mon 27/1019:05DEN - SYD
1 stop20h 30mAir Canada
Deal found 20/8$1,563
Tue 16/909:10SYD - DEN
1 stop18h 13mAmerican Airlines
Wed 24/911:40DEN - SYD
1 stop27h 25mAmerican Airlines
Deal found 20/8$1,591
Sat 11/1010:20SYD - DEN
1 stop24h 53mAir Canada
Sat 25/1008:40DEN - SYD
1 stop30h 55mAir Canada
Deal found 20/8$1,597
Sat 4/1009:30SYD - ASE
2 stops28h 25mUnited Airlines
Sat 11/1015:25ASE - SYD
2 stops47h 30mUnited Airlines
Deal found 19/8$2,784
Sun 5/1010:30SYD - COS
2 stops23h 05mUnited Airlines
Sun 12/1018:20COS - SYD
2 stops44h 35mUnited Airlines
Deal found 21/8$3,058

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 22 August 2025.
Use the filters below to find and compare flights to Colorado that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Sun 18/1

10:40-14:03

1 stop21h 23m

Aspen Pitkin County

Wed 28/1

13:37-08:30

1 stop24h 53m

$1,292

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 20/10

14:15-00:52

2 stops27h 37m

Denver Intl

Mon 27/10

18:50-12:45

2 stops24h 55m

$1,424

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 9/9

09:20-14:53

1 stop21h 33m

Denver Intl

Thu 18/9

19:05-07:20

1 stop20h 15m

$1,510

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 30/10

10:20-16:26

1 stop23h 06m

Denver Intl

Mon 10/11

17:30-09:35

2 stops46h 05m

$1,521

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 30/10

13:55-17:58

2 stops21h 03m

Denver Intl

Mon 10/11

13:45-10:30

2 stops26h 45m

$1,527

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 25/10

11:50-19:40

2 stops24h 50m

Denver Intl

Sat 15/11

16:05-08:45

2 stops22h 40m

$1,549

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 16/9

11:50-22:18

2 stops26h 28m

Denver Intl

Wed 24/9

16:46-10:35

2 stops25h 49m

$1,552

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 11/10

11:50-18:19

2 stops23h 29m

Denver Intl

Sat 25/10

15:46-08:45

2 stops23h 59m

$1,552

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 3/9

11:50-19:53

2 stops24h 03m

Denver Intl

Sat 6/9

17:55-08:45

2 stops22h 50m

$1,552

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Sun 18/1

13:55-19:44

2 stops23h 49m

Aspen Pitkin County

Wed 28/1

12:00-10:30

2 stops28h 30m

$2,244

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 35 results
1
2
3
4

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 21 hours 45 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, United Airlines and Air Canada.

Qantas Airways
Qantas Airways
From $649
United Airlines
United Airlines
From $803
Air Canada
Air Canada
From $858
Air New Zealand
Air New Zealand
From $861

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 22 August 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 22 August 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.
Air New Zealand
8.0
Very Good
504 reviews
Check prices

Crew

8.5

Entertainment

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

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.
Air New Zealand
8.0
Very Good
504 reviews
Air New Zealand
8.0
Very Good
504 reviews
Check prices

Crew

8.5

Entertainment

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

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.
Qantas Airways
7.5
Good
898 reviews
Air New Zealand
8.0
Very Good
504 reviews
Check prices

Crew

8.5

Entertainment

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

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.
Virgin Australia
7.5
Good
415 reviews
Air New Zealand
8.0
Very Good
504 reviews
Check prices

Crew

8.5

Entertainment

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

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.
United Airlines
7.4
Good
8,934 reviews
Air New Zealand
8.0
Very Good
504 reviews
Check prices

Crew

8.5

Entertainment

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

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.
Air Canada
7.1
Good
10,000 reviews
Air New Zealand
8.0
Very Good
504 reviews
Check prices

Crew

8.5

Entertainment

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

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 $103, while return flights cost around $123.

  • How much is a return flight to Colorado?

    A return flight to Colorado will typically cost around $348, however they can be found for as little as $79.

  • Where does the fastest flight to Colorado depart from?

    For those looking to save time traveling to Colorado, Brisbane offers the quickest one-way flight (18 hours 38 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.

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