$578+ Cheap flights to Colorado

— DEN
12 Dec — 19 Dec1
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

Wed 11/1111:50 -
2 stops38h 27m
Fri 13/1107:40 -
1 stop29h 20m
Deal found 9/11$1,448
Tue 17/1111:10 -
2 stops43h 14m
Fri 25/1214:19 -
1 stop24h 41m
Deal found 10/11$1,655
Wed 11/1114:00 -
2 stops21h 35m
Wed 11/1122:55 -
1 stop37h 30m
Deal found 10/11$1,786
Wed 11/1114:05 -
1 stop21h 30m
Fri 13/1107:09 -
1 stop31h 51m
Deal found 9/11$2,004
Mon 9/1111:20 -
1 stop19h 23m
Sun 22/1119:00 -
1 stop20h 35m
Deal found 7/11$2,028
Thu 24/1211:10 -
1 stop27h 18m
Thu 31/1214:31 -
1 stop24h 29m
Deal found 9/11$2,041
Mon 9/1111:50 -
2 stops38h 27m
Sun 22/1107:40 -
1 stop29h 20m
Deal found 7/11$2,100
Thu 24/1211:50 -
2 stops38h 31m
Thu 31/1217:45 -
1 stop21h 35m
Deal found 9/11$2,104
Mon 9/1111:20 -
2 stops28h 31m
Sun 22/1119:00 -
2 stops25h 40m
Deal found 7/11$2,155
Sun 6/1211:20 -
2 stops39h 17m
Fri 11/1208:00 -
1 stop31h 35m
Deal found 12/11$2,259
Sun 6/1221:40 -
2 stops34h 14m
Fri 11/1215:22 -
2 stops34h 23m
Deal found 12/11$2,270
Tue 17/1111:05 -
3 stops23h 52m
Fri 25/1214:19 -
2 stops26h 01m
Deal found 10/11$2,492

Find flights to Colorado

Explore Colorado

Find flight deals to Colorado

Return from

$1,145

One-way from

$578

Popular in

July

Cheapest in

October

Average price

$1,663
4/2-16/2
  • 4/2-16/2
  • 4 total stops
  • 52h 32m total
  • Sydney to Denver
8/2-31/12
  • 8/2-31/12
  • 2 total stops
  • 37h 31m total
  • Sydney to Colorado
Highest demand for flights based on searches. 17% potential increase in price ($403 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($67 potential savings vs. average return price).
Average for return flights in November 2026

Cheapflights Fare Finder

 
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

SydneyDenver

SYD Sydney Kingsford Smith - DEN Denver Intl

SYDDEN

Sydney Kingsford Smith

Fri 12/2

14:00-15:22

2 stops43h 22m

Denver Intl

Wed 31/12

00:00-17:00

Nonstop0h 00m

$580
Fastest return journey

SydneyAspen

SYD Sydney Kingsford Smith - ASE Aspen Pitkin County

SYDASE

Sydney Kingsford Smith

Thu 19/11

10:40-13:42

1 stop21h 02m

Aspen Pitkin County

Wed 31/12

00:00-17:00

Nonstop0h 00m

$927

SydneyDenver

SYD Sydney Kingsford Smith - DEN Denver Intl

SYDDEN

Sydney Kingsford Smith

Tue 23/2

11:20-12:38

1 stop19h 18m

Denver Intl

Tue 2/3

13:32-09:35

2 stops26h 03m

$1,339

SydneyColorado Springs

SYD Sydney Kingsford Smith - COS Colorado Springs

SYDCOS

Sydney Kingsford Smith

Sat 6/2

11:20-17:20

2 stops24h 00m

Colorado Springs

Wed 10/2

10:40-09:35

2 stops28h 55m

$1,343

SydneyDenver

SYD Sydney Kingsford Smith - DEN Denver Intl

SYDDEN

Sydney Kingsford Smith

Thu 4/2

11:20-18:06

2 stops24h 46m

Denver Intl

Mon 8/2

19:00-09:35

1 stop20h 35m

$1,405

SydneyAspen

SYD Sydney Kingsford Smith - ASE Aspen Pitkin County

SYDASE

Sydney Kingsford Smith

Thu 4/2

11:10-20:35

2 stops27h 25m

Aspen Pitkin County

Mon 8/2

16:44-09:00

2 stops46h 16m

$1,510

SydneyAspen

SYD Sydney Kingsford Smith - ASE Aspen Pitkin County

SYDASE

Sydney Kingsford Smith

Thu 4/2

11:20-12:18

1 stop18h 58m

Aspen Pitkin County

Mon 8/2

19:40-06:20

1 stop40h 40m

$1,515

SydneyVail

SYD Sydney Kingsford Smith - EGE Vail Eagle County

SYDEGE

Sydney Kingsford Smith

Thu 21/1

11:10-11:16

1 stop18h 06m

Vail Eagle County

Sun 31/1

11:46-09:00

1 stop27h 14m

$1,524

SydneyVail

SYD Sydney Kingsford Smith - EGE Vail Eagle County

SYDEGE

Sydney Kingsford Smith

Thu 21/1

09:20-14:31

2 stops23h 11m

Vail Eagle County

Sun 31/1

08:16-06:20

1 stop28h 04m

$1,530

SydneyDenver

SYD Sydney Kingsford Smith - DEN Denver Intl

SYDDEN

Sydney Kingsford Smith

Tue 30/3

10:20-12:29

1 stop19h 09m

Denver Intl

Wed 14/4

11:21-07:20

2 stops27h 59m

$1,533

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 32 resultsSorted by cheapest first
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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

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 20 hours 26 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 American Airlines, Air Canada and Qantas Airways.

Rainfall in Colorado 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

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 15 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?

The most popular places in Colorado to fly to are Denver, Aspen, Colorado Springs, Vail and Montrose.

Reviews of airlines servicing Colorado

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.

Entertainment

7.5

Food

7.5

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Entertainment

7.5

Food

7.5

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Entertainment

7.5

Food

7.5

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Entertainment

7.5

Food

7.5

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Entertainment

7.5

Food

7.5

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Entertainment

7.5

Food

7.5

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

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, Air New Zealand 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 $105, while return flights cost around $144.

  • How much is a return flight to Colorado?

    A return flight to Colorado will typically cost around $295, however they can be found for as little as $144.

  • 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 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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