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Cheap flights from Sydney to Colorado from $642

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Colorado

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Colorado
Explore the most affordable flight options available from Sydney to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.

Wed 11/314:00
SYD
-
DEN
2 stops27h 37m
Multiple Airlines
Wed 18/318:11
DEN
-
SYD
2 stops25h 24m
Multiple Airlines
Deal found 25/1$1,216
Wed 22/413:10
SYD
-
DEN
2 stops22h 39m
Multiple Airlines
Wed 20/513:35
DEN
-
SYD
1 stop25h 55m
Multiple Airlines
Deal found 26/1$1,399
Mon 2/214:00
SYD
-
DEN
2 stops38h 30m
Multiple Airlines
Mon 16/206:00
DEN
-
SYD
1 stop31h 25m
Multiple Airlines
Deal found 27/1$1,406
Wed 22/413:10
SYD
-
DEN
2 stops22h 39m
Multiple Airlines
Tue 19/513:35
DEN
-
SYD
1 stop25h 55m
Multiple Airlines
Deal found 26/1$1,408
Sun 8/314:00
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Sat 14/309:00
DEN
-
SYD
2 stops34h 35m
Multiple Airlines
Deal found 27/1$1,441
Sat 25/409:55
SYD
-
DEN
2 stops25h 45m
Air New Zealand
Wed 20/515:44
DEN
-
SYD
2 stops34h 26m
Air New Zealand
Deal found 26/1$1,478
Thu 23/420:45
SYD
-
DEN
2 stops31h 21m
Multiple Airlines
Wed 20/514:57
DEN
-
SYD
2 stops35h 53m
Multiple Airlines
Deal found 26/1$1,481
Thu 12/314:00
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Thu 19/309:00
DEN
-
SYD
2 stops44h 05m
Multiple Airlines
Deal found 25/1$1,491
Tue 24/214:00
SYD
-
DEN
2 stops37h 49m
Multiple Airlines
Tue 3/321:31
DEN
-
SYD
1 stop39h 54m
Multiple Airlines
Deal found 26/1$1,510
Sat 7/312:10
SYD
-
ASE
1 stop18h 58m
United Airlines
Wed 11/314:27
ASE
-
SYD
2 stops25h 38m
United Airlines
Deal found 25/1$1,796
Wed 18/212:10
SYD
-
COS
2 stops20h 20m
United Airlines
Sat 21/211:36
COS
-
SYD
2 stops49h 24m
United Airlines
Deal found 25/1$2,404
Wed 18/214:05
SYD
-
COS
1 stop19h 53m
American Airlines
Sat 21/207:38
COS
-
SYD
1 stop29h 17m
American Airlines
Deal found 24/1$2,694

Find flight deals from Sydney to Colorado

Keep the following information in mind while searching for Sydney to Colorado flight deals. Data was last updated 28 January 2026.

Round-trip from

$1,399

One-way from

$642

Popular in

January

Cheapest in

February

Average price

$1,922
22/4-19/5
  • 22/4-19/5
  • 3 total stops
  • 48h 34m total
  • Sydney to Colorado
Search Deals
23/3
  • 23/3
  • 2 total stops
  • 36h 44m total
  • Sydney to Colorado
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($196 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($58 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 28 January 2026.
Use the filters below to find and compare flights from Sydney to Colorado that are best for you.

Fly from

Sydney

Fly to

Colorado

Route

Depart

Return

Price

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 11/3

14:00-00:37

2 stops27h 37m

Denver Intl

Wed 18/3

18:11-12:35

2 stops25h 24m

$1,216

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 22/4

13:10-19:49

2 stops22h 39m

Denver Intl

Tue 19/5

13:35-07:30

1 stop25h 55m

$1,408

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 23/4

13:15-19:58

2 stops22h 43m

Denver Intl

Tue 19/5

13:35-07:30

1 stop25h 55m

$1,575

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 26/4

20:45-12:06

2 stops31h 21m

Denver Intl

Wed 20/5

14:57-18:50

2 stops35h 53m

$1,628

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 4/3

11:20-19:14

1 stop25h 54m

Denver Intl

Sun 24/5

11:30-07:05

1 stop27h 35m

$1,634

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 23/4

20:45-12:06

2 stops31h 21m

Denver Intl

Sun 24/5

08:00-18:50

2 stops42h 50m

$1,701

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 23/3

14:00-00:30

2 stops27h 30m

Denver Intl

Mon 30/3

09:00-12:45

2 stops34h 45m

$1,740

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 23/4

20:45-12:06

2 stops31h 21m

Denver Intl

Thu 21/5

12:56-18:50

2 stops37h 54m

$1,760

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 28/4

13:15-19:49

2 stops22h 34m

Denver Intl

Sat 23/5

18:07-07:30

1 stop21h 23m

$1,762

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Sat 7/3

12:10-13:08

1 stop18h 58m

Aspen Pitkin County

Wed 11/3

13:40-06:20

1 stop23h 40m

$1,796

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 22 results
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Best time to book a flight from Sydney to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Sydney 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 from Sydney to Colorado

What is the cheapest month to book a flight from Sydney to Colorado?

Currently, March is the cheapest month in which you can book a flight from Sydney to Colorado (average of $777). Flying from Sydney to Colorado in December is currently the most expensive (average of $1,390). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Sydney to Colorado?

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 28 January 2026.
See what other customers who have flown with Air New Zealand, Qantas Airways, andUnited Airlines from Sydney to Colorado have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
577 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Crew

8.5

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air New Zealand
8.0
Very Good
577 reviews
Air New Zealand
8.0
Very Good
577 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Crew

8.5

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Qantas Airways
7.5
Good
978 reviews
Air New Zealand
8.0
Very Good
577 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Crew

8.5

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
United Airlines
7.4
Good
9,211 reviews
Air New Zealand
8.0
Very Good
577 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Crew

8.5

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air Canada
7.1
Good
10,666 reviews
Air New Zealand
8.0
Very Good
577 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.4

Crew

8.5

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

Related info for your journey

Find useful and relevant information for your journey from Sydney to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sydney to Colorado?

    Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly out of when you book flights from Sydney to Colorado.

  • How long is the flight from Sydney to Colorado?

    For as low as $1,796, United Airlines can have you in Colorado from Sydney in 18h 58m. Airlines will cover a distance of 13234 km.

  • What are the most popular routes from Sydney to Colorado?

    The most popular flight routes from Sydney to Colorado are Sydney Kingsford Smith - Denver Intl, Sydney Kingsford Smith - Aspen Pitkin County and Sydney Kingsford Smith - Colorado Springs.

  • Can I find deals for flights from Sydney to Colorado that include hotel bookings?

    Yes. In addition to deals on Sydney to Colorado flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Colorado.

  • Can I find deals for business class flights from Sydney to Colorado?

    Yes. Cheapflights offers flight deals from Sydney to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to Colorado?

    Currently, March is the cheapest month in which you can book a flight from Sydney to Colorado (average of $777). Flying from Sydney to Colorado in December is currently the most expensive (average of $1,390). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Sydney to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Sydney to Colorado

Discover the top 4 airlines that operate flights from Sydney to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$994Average$1,150FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,234Average$1,511FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,246Average$1,450FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,372Average$1,836FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to Colorado?

Deals for Sydney to Colorado flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Colorado?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Sydney to Colorado.

Can Cheapflights find flights from Sydney to Colorado with no change fees?

Yes, we can. To see specific flights from Sydney to Colorado with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Sydney to Colorado flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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