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Cheap flights from Sydney to Colorado from $673

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Find 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 24 October 2025.

Thu 13/1113:55SYD - DEN
2 stops22h 03mAir New Zealand
Thu 27/1113:25DEN - SYD
2 stops27h 05mAir New Zealand
Deal found 23/10$1,587
Tue 4/1111:20SYD - DEN
1 stop24h 24mAir Canada
Sat 22/1119:05DEN - SYD
1 stop20h 30mAir Canada
Deal found 21/10$1,668
Thu 13/1117:45SYD - DEN
2 stops24h 08mMultiple Airlines
Thu 27/1112:24DEN - SYD
1 stop25h 01mMultiple Airlines
Deal found 23/10$1,782
Wed 24/1211:20SYD - DEN
2 stops41h 03mAir Canada
Sun 18/119:05DEN - SYD
1 stop20h 30mAir Canada
Deal found 21/10$1,928
Wed 24/1212:10SYD - DEN
1 stop18h 13mUnited Airlines
Sun 18/119:41DEN - SYD
1 stop19h 34mUnited Airlines
Deal found 22/10$1,971
Wed 24/1210:40SYD - DEN
2 stops42h 42mDelta
Wed 14/119:15DEN - SYD
1 stop19h 15mDelta
Deal found 22/10$1,972
Wed 24/1214:00SYD - DEN
2 stops22h 19mUnited Airlines
Thu 15/121:05DEN - SYD
1 stop39h 15mUnited Airlines
Deal found 22/10$2,046
Wed 24/1214:00SYD - DEN
2 stops20h 37mUnited Airlines
Wed 14/119:40DEN - SYD
1 stop19h 25mUnited Airlines
Deal found 22/10$2,122
Sun 7/1214:00SYD - ASE
2 stops20h 31mUnited Airlines
Sun 14/1215:35ASE - SYD
2 stops23h 40mUnited Airlines
Deal found 22/10$2,346

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 24 October 2025.

Round-trip from

$1,439

One-way from

$673

Popular in

December

Cheapest in

February

Average price

$1,577
Qantas Airways
  • Qantas Airways
  • 17/2-15/3
  • 3 total stops
  • 63h 07m total
  • Sydney to Colorado
Search Deals
15/1
  • 15/1
  • 2 total stops
  • 23h 45m total
  • Sydney to Colorado
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($526 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($98 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 24 October 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

Sun 15/2

13:55-19:37

2 stops23h 42m

Denver Intl

Sun 1/3

09:47-08:45

2 stops28h 58m

$1,571

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 15/3

14:10-00:40

2 stops27h 30m

Denver Intl

Mon 30/3

13:10-07:30

1 stop25h 20m

$1,591

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 4/11

11:20-17:44

1 stop24h 24m

Denver Intl

Sat 22/11

17:30-09:35

2 stops46h 05m

$1,679

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 19/1

13:55-18:18

2 stops22h 23m

Denver Intl

Sun 25/1

15:48-08:45

2 stops22h 57m

$1,691

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 17/2

11:20-12:28

1 stop19h 08m

Denver Intl

Sun 15/3

19:50-09:00

1 stop20h 10m

$1,857

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 15/3

10:20-12:37

1 stop19h 17m

Denver Intl

Mon 30/3

19:05-08:20

1 stop20h 15m

$1,866

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 15/2

11:20-12:37

1 stop19h 17m

Denver Intl

Sun 1/3

20:59-09:35

1 stop42h 36m

$1,914

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 17/2

17:45-19:12

1 stop19h 27m

Denver Intl

Sun 15/3

19:50-09:00

1 stop20h 10m

$1,966

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 24/12

14:00-16:37

2 stops20h 37m

Denver Intl

Mon 12/1

05:18-09:15

1 stop33h 57m

$1,971

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 24/12

10:40-11:22

2 stops42h 42m

Denver Intl

Wed 14/1

12:59-08:30

1 stop25h 31m

$1,971

Flights are sorted by cheapest return flights first.

Deals found on 21/10

Showing 1-10 of 36 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 $936). Flying from Sydney to Colorado in December is currently the most expensive (average of $1,716). 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 24 October 2025.

A simple way to save on the total cost of your ticket is to fly from Sydney to Colorado in the evening. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the afternoon.

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 24 October 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
517 reviews
Check prices

Food

7.4

Entertainment

7.5

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

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

Food

7.4

Entertainment

7.5

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

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
421 reviews
Air New Zealand
8.0
Very Good
517 reviews
Check prices

Food

7.4

Entertainment

7.5

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

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
922 reviews
Air New Zealand
8.0
Very Good
517 reviews
Check prices

Food

7.4

Entertainment

7.5

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

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
8,995 reviews
Air New Zealand
8.0
Very Good
517 reviews
Check prices

Food

7.4

Entertainment

7.5

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

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
10,351 reviews
Air New Zealand
8.0
Very Good
517 reviews
Check prices

Food

7.4

Entertainment

7.5

Boarding

8.2

Crew

8.5

Comfort

8.0

Overall

8.0

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 $1,857, Air New Zealand can have you in Colorado from Sydney in 19h 08m. Airlines will cover a distance of 13435 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 Air New Zealand, with whom users have recently found tickets for as low as $978. However, be on the lookout for offers from Delta 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 - Colorado Springs and Sydney Kingsford Smith - Aspen Pitkin County.

  • 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 $936). Flying from Sydney to Colorado in December is currently the most expensive (average of $1,716). 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 24 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,046Average$1,257FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,318Average$1,664FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,331Average$1,560FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,430Average$2,078FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$1,723Average$1,752FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AustraliaCheapest$2,011Average$2,362FlexibilityNo 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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