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$881+ 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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
4 Jul — 11 Jul1
1 adult
1 adult, Economy, 0 bags

Flights to Colorado in 2026

Enter your travel dates to find the best prices.

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 4 June 2026.

Sun 19/714:10
SYD
-
DEN
2 stops23h 02m
Multiple Airlines
Thu 6/815:20
DEN
-
SYD
2 stops28h 30m
Multiple Airlines
Deal found 3/6$1,229
Tue 14/713:15
SYD
-
DEN
3 stops36h 31m
Multiple Airlines
Tue 21/707:25
DEN
-
SYD
2 stops46h 45m
Multiple Airlines
Deal found 2/6$1,342
Mon 26/1010:20
SYD
-
DEN
2 stops24h 44m
Air Canada
Tue 10/1119:00
DEN
-
SYD
1 stop20h 35m
Air Canada
Deal found 3/6$1,412
Mon 20/709:10
SYD
-
ASE
2 stops27h 07m
American Airlines
Mon 27/707:36
ASE
-
SYD
2 stops31h 29m
American Airlines
Deal found 1/6$1,422
Mon 20/709:30
SYD
-
ASE
1 stop20h 08m
United Airlines
Mon 27/719:15
ASE
-
SYD
1 stop19h 45m
United Airlines
Deal found 1/6$1,448
Sun 25/1010:20
SYD
-
DEN
1 stop18h 48m
Air Canada
Mon 9/1111:49
DEN
-
SYD
1 stop27h 46m
Air Canada
Deal found 2/6$1,469
Thu 8/1010:20
SYD
-
COS
2 stops28h 06m
Air Canada
Mon 12/1017:07
COS
-
SYD
2 stops22h 13m
Air Canada
Deal found 30/5$1,472
Thu 22/1010:20
SYD
-
DEN
1 stop23h 38m
Air Canada
Fri 6/1119:00
DEN
-
SYD
1 stop20h 35m
Air Canada
Deal found 30/5$1,472
Sat 24/1010:20
SYD
-
DEN
1 stop23h 38m
Air Canada
Sun 8/1117:30
DEN
-
SYD
2 stops46h 05m
Air Canada
Deal found 1/6$1,479
Sat 24/1010:10
SYD
-
DEN
1 stop18h 18m
American Airlines
Sun 8/1112:55
DEN
-
SYD
1 stop26h 05m
American Airlines
Deal found 1/6$1,500
Fri 23/1010:20
SYD
-
DEN
1 stop19h 11m
Air Canada
Sat 7/1119:00
DEN
-
SYD
1 stop20h 35m
Air Canada
Deal found 31/5$1,524
Thu 29/1011:15
SYD
-
ASE
2 stops50h 01m
American Airlines
Mon 2/1112:25
ASE
-
SYD
1 stop24h 30m
American Airlines
Deal found 1/6$1,525

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 4 June 2026
Explore Colorado
Look for other cheap flights to Denver
Look for other cheap flights to Colorado Springs
Look for other cheap flights to Aspen

Find flight deals to Colorado

Find the latest flights to Colorado in 2026, 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 4 June 2026.

Return from

$1,229

One-way from

$881

Popular in

May

Cheapest in

November

Average price

$1,567
19/7-6/8
  • 19/7-6/8
  • 4 total stops
  • 51h 32m total
  • Sydney to Denver
Search Deals
Air Canada
  • Air Canada
  • 15/10
  • 1 total stop
  • 21h 31m total
  • Sydney to Colorado
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($79 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average return price).
Search Deals
Average for return flights in June 2026
Search Deals

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 4 June 2026.
Use the filters below to find and compare flights to Colorado that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Mon 20/7

09:30-13:38

1 stop20h 08m

Aspen Pitkin County

Mon 27/7

19:15-07:00

1 stop19h 45m

$1,448

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 22/10

08:00-12:31

2 stops21h 31m

Denver Intl

Fri 6/11

19:00-13:40

2 stops24h 40m

$1,525

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Thu 29/10

11:15-20:16

2 stops50h 01m

Aspen Pitkin County

Mon 2/11

12:25-06:55

1 stop24h 30m

$1,525

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 5/11

11:20-16:38

2 stops47h 18m

Denver Intl

Mon 9/11

15:43-09:35

1 stop23h 52m

$1,626

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 23/10

10:20-23:54

3 stops30h 34m

Denver Intl

Sat 7/11

15:58-09:35

2 stops23h 37m

$1,675

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Fri 17/7

09:10-17:23

1 stop24h 13m

Aspen Pitkin County

Fri 24/7

18:01-07:05

1 stop21h 04m

$1,679

SydneyColorado Springs

SYD - COS

SYDCOS

Sydney Kingsford Smith

Fri 14/8

09:10-18:40

2 stops25h 30m

Colorado Springs

Tue 18/8

10:12-07:05

2 stops28h 53m

$1,686

SydneyColorado Springs

SYD - COS

SYDCOS

Sydney Kingsford Smith

Sat 25/7

09:10-22:23

2 stops29h 13m

Colorado Springs

Wed 29/7

10:44-07:05

2 stops28h 21m

$1,690

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 14/7

09:20-17:13

1 stop23h 53m

Denver Intl

Tue 21/7

19:45-07:20

1 stop19h 35m

$1,812

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 7/7

09:20-17:13

1 stop23h 53m

Denver Intl

Tue 21/7

19:45-07:20

1 stop19h 35m

$1,816

Flights are sorted by cheapest return flights first.

Deals found on 3/6

Showing 1-10 of 23 resultsSorted by cheapest first
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2
3

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 28 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 Air Canada, Qantas Airways and United Airlines.

Air Canada
Air Canada
From $1,198
United Airlines
United Airlines
From $1,350
Qantas Airways
Qantas Airways
From $1,171
Air New Zealand
Air New Zealand
From $1,204

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).

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

The price you pay for your flight to Colorado may vary depending on when you book. For the best chance of a lower fare, look to book 41 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 4 June 2026.
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 4 June 2026.
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
645 reviews
Check prices

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air New Zealand
8.0
Very Good
645 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Qantas Airways
7.5
Good
1,042 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
United Airlines
7.4
Good
9,774 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
American Airlines
7.1
Good
11,641 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air Canada
7.1
Good
11,126 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after 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, American Airlines 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 $41, while return flights cost around $80.

  • How much is a return flight to Colorado?

    A return flight to Colorado will typically cost around $556, however they can be found for as little as $80.

  • 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 (18 hours 54 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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Why should you use Cheapflights to find cheap flight tickets to Colorado?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Colorado.

Can Cheapflights find flights to Colorado with no change fees?

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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