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Cheap flights from Sydney to Colorado from $763

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Sydney to Colorado

Keep the following information in mind while searching for Sydney to Colorado flight deals. Data was last updated 17 September 2025.

Round-trip from

$1,134

One-way from

$763

Popular in

December

Cheapest in

February

Average price

$1,636
31/10-7/11
  • 31/10-7/11
  • 4 total stops
  • 63h 42m total
  • Sydney to Colorado
Search Deals
Delta
  • Delta
  • 8/12
  • 1 total stop
  • 19h 45m total
  • Sydney to Colorado
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($549 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($110 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Sydney to Colorado

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 17 September 2025.

Fri 31/1014:15SYD - DEN
2 stops27h 42mMultiple Airlines
Fri 7/1106:30DEN - SYD
2 stops36h 00mMultiple Airlines
Deal found 15/9$1,134
Thu 30/1017:45SYD - DEN
1 stop33h 33mMultiple Airlines
Thu 6/1108:00DEN - SYD
1 stop29h 25mMultiple Airlines
Deal found 14/9$1,417
Thu 30/1011:20SYD - DEN
2 stops23h 50mAmerican Airlines
Thu 6/1118:52DEN - SYD
2 stops20h 08mAmerican Airlines
Deal found 14/9$1,468
Wed 17/912:10SYD - DEN
1 stop19h 35mAmerican Airlines
Sun 21/906:00DEN - SYD
1 stop33h 05mAmerican Airlines
Deal found 15/9$1,501
Fri 31/1011:45SYD - DEN
2 stops23h 13mAir New Zealand
Fri 7/1106:00DEN - SYD
2 stops32h 45mAir New Zealand
Deal found 16/9$1,555
Sat 1/1109:40SYD - ASE
1 stop25h 12mDelta
Sat 8/1112:10ASE - SYD
1 stop26h 20mDelta
Deal found 16/9$1,588
Tue 16/909:10SYD - DEN
1 stop18h 13mAmerican Airlines
Sun 21/911:40DEN - SYD
1 stop27h 25mAmerican Airlines
Deal found 15/9$1,686
Tue 25/1117:45SYD - DEN
1 stop18h 43mMultiple Airlines
Fri 5/1209:30DEN - SYD
1 stop27h 55mMultiple Airlines
Deal found 16/9$1,716
Sat 1/1111:05SYD - ASE
1 stop18h 33mUnited Airlines
Sat 8/1117:12ASE - SYD
2 stops43h 48mUnited Airlines
Deal found 16/9$2,345
Mon 22/909:30SYD - COS
2 stops23h 04mUnited Airlines
Mon 29/917:10COS - SYD
2 stops21h 50mUnited Airlines
Deal found 17/9$2,685
Mon 22/909:10SYD - COS
2 stops23h 08mAmerican Airlines
Mon 29/912:32COS - SYD
1 stop26h 23mAmerican Airlines
Deal found 17/9$2,917
Sat 1/1111:20SYD - ASE
2 stops24h 39mMultiple Airlines
Sat 8/1112:25ASE - SYD
3 stops27h 25mMultiple Airlines
Deal found 16/9$2,998

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 17 September 2025.
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

Mon 16/2

11:20-19:18

1 stop25h 58m

Denver Intl

Thu 26/2

19:05-09:35

1 stop20h 30m

$1,356

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Fri 6/3

10:40-14:03

1 stop21h 23m

Aspen Pitkin County

Tue 10/3

13:37-07:30

1 stop24h 53m

$1,371

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 16/2

11:15-08:15

2 stops39h 00m

Denver Intl

Mon 2/3

06:10-06:35

2 stops30h 25m

$1,389

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 17/2

11:15-15:07

2 stops21h 52m

Denver Intl

Sun 1/3

09:00-06:55

1 stop27h 55m

$1,389

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 31/10

11:05-19:00

1 stop24h 55m

Denver Intl

Fri 7/11

06:30-09:15

2 stops56h 45m

$1,417

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 30/10

17:45-21:49

2 stops21h 04m

Denver Intl

Thu 6/11

08:00-07:25

1 stop29h 25m

$1,428

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 14/2

11:20-12:37

1 stop19h 17m

Denver Intl

Wed 4/3

11:20-09:35

2 stops28h 15m

$1,431

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 15/2

11:20-17:44

1 stop24h 24m

Denver Intl

Wed 4/3

08:45-09:35

1 stop30h 50m

$1,431

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 13/2

11:20-12:37

1 stop19h 17m

Denver Intl

Wed 4/3

11:20-09:35

2 stops28h 15m

$1,431

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 15/2

11:20-18:03

2 stops24h 43m

Denver Intl

Thu 26/2

19:05-09:35

1 stop20h 30m

$1,431

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 34 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 $988). Flying from Sydney to Colorado in December is currently the most expensive (average of $1,615). 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.

What is the cheapest time of day to fly from SYD to CO?

Find hourly flight availability from Sydney to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to Colorado as you normally would.

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 17 September 2025.
See what other customers who have flown with Air New Zealand, Virgin Australia, andQantas Airways 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
505 reviews
Check prices

Food

7.3

Comfort

8.0

Entertainment

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

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
505 reviews
Air New Zealand
8.0
Very Good
505 reviews
Check prices

Food

7.3

Comfort

8.0

Entertainment

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

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
7.6
Good
416 reviews
Air New Zealand
8.0
Very Good
505 reviews
Check prices

Food

7.3

Comfort

8.0

Entertainment

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

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
907 reviews
Air New Zealand
8.0
Very Good
505 reviews
Check prices

Food

7.3

Comfort

8.0

Entertainment

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

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
8,924 reviews
Air New Zealand
8.0
Very Good
505 reviews
Check prices

Food

7.3

Comfort

8.0

Entertainment

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

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
505 reviews
Check prices

Food

7.3

Comfort

8.0

Entertainment

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

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.

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 $1,371, Air Canada can have you in Colorado from Sydney in 21h 23m. Airlines will cover a distance of 13234 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Sydney to Colorado one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $763. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Sydney to Colorado for a low price.

  • 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 $988). Flying from Sydney to Colorado in December is currently the most expensive (average of $1,615). 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 6 airlines flying from Sydney to Colorado

Discover the top 6 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,020Average$1,882FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapest$1,203Average$2,114FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,284Average$1,622FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,298Average$1,514FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
American AirlinesCheapest$1,680Average$1,745FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AustraliaCheapest$1,975Average$2,303FlexibilityNo cancel feeOn-time80%
Search Virgin Australia 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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