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Cheap flights from Sydney to Colorado from $629

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 20/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
25 Dec — 1 Jan1
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 25 November 2025.

Wed 3/1213:55SYD - DEN
2 stops20h 41mAir New Zealand
Thu 11/1215:50DEN - SYD
2 stops24h 40mAir New Zealand
Deal found 23/11$1,937
Thu 4/1216:15SYD - DEN
2 stops26h 02mMultiple Airlines
Thu 11/1206:00DEN - SYD
1 stop31h 25mMultiple Airlines
Deal found 23/11$2,019
Tue 2/1209:00SYD - DEN
2 stops43h 12mMultiple Airlines
Mon 8/1222:50DEN - SYD
1 stop38h 35mMultiple Airlines
Deal found 23/11$2,025
Wed 3/1207:00SYD - DEN
2 stops45h 12mMultiple Airlines
Thu 11/1206:00DEN - SYD
1 stop31h 25mMultiple Airlines
Deal found 23/11$2,058
Sat 6/1207:15SYD - DEN
2 stops27h 26mMultiple Airlines
Thu 11/1206:00DEN - SYD
1 stop31h 25mMultiple Airlines
Deal found 23/11$2,062
Thu 4/1217:30SYD - DEN
2 stops24h 47mMultiple Airlines
Mon 8/1222:50DEN - SYD
1 stop38h 35mMultiple Airlines
Deal found 23/11$2,065
Fri 5/1214:00SYD - DEN
2 stops28h 17mMultiple Airlines
Thu 11/1206:00DEN - SYD
1 stop31h 25mMultiple Airlines
Deal found 23/11$2,068
Fri 12/1214:00SYD - DEN
2 stops28h 17mMultiple Airlines
Fri 30/106:05DEN - SYD
2 stops36h 30mMultiple Airlines
Deal found 24/11$2,192
Wed 3/1211:20SYD - DEN
1 stop19h 03mAir Canada
Thu 11/1215:53DEN - SYD
1 stop23h 42mAir Canada
Deal found 23/11$2,212
Thu 25/1211:20SYD - DEN
1 stop19h 17mAir Canada
Wed 31/1208:45DEN - SYD
1 stop30h 50mAir Canada
Deal found 23/11$2,257
Thu 25/1206:00SYD - DEN
2 stops31h 31mMultiple Airlines
Wed 31/1222:51DEN - SYD
1 stop38h 34mMultiple Airlines
Deal found 23/11$2,267
Wed 17/1222:00SYD - DEN
2 stops39h 31mMultiple Airlines
Thu 1/106:00DEN - SYD
1 stop31h 25mMultiple Airlines
Deal found 24/11$2,294

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 25 November 2025.

Round-trip from

$1,432

One-way from

$629

Popular in

December

Cheapest in

February

Average price

$1,536
30/1-14/2
  • 30/1-14/2
  • 4 total stops
  • 62h 56m total
  • Sydney to Colorado
Search Deals
20/2
  • 20/2
  • 2 total stops
  • 28h 51m total
  • Sydney to Colorado
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($540 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($101 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 25 November 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

Fri 30/1

14:00-23:31

2 stops27h 31m

Denver Intl

Sat 14/2

07:10-12:35

2 stops35h 25m

$1,432

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 21/3

10:20-12:37

1 stop19h 17m

Denver Intl

Wed 1/4

19:05-08:20

1 stop20h 15m

$1,876

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 16/4

09:20-17:50

1 stop24h 30m

Denver Intl

Fri 1/5

18:55-07:20

1 stop20h 25m

$1,876

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 17/4

09:20-17:50

1 stop24h 30m

Denver Intl

Wed 22/4

08:45-07:20

1 stop30h 35m

$1,880

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 17/4

09:20-18:04

2 stops24h 44m

Denver Intl

Sat 2/5

18:55-07:20

1 stop20h 25m

$1,943

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Thu 19/3

13:15-14:03

1 stop17h 48m

Aspen Pitkin County

Mon 23/3

13:37-07:25

1 stop24h 48m

$2,239

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 25/12

06:00-19:31

2 stops31h 31m

Denver Intl

Wed 31/12

22:51-07:25

1 stop38h 34m

$2,267

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 17/12

22:00-19:31

2 stops39h 31m

Denver Intl

Thu 1/1

06:00-07:25

1 stop31h 25m

$2,294

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 18/12

08:45-19:31

2 stops28h 46m

Denver Intl

Thu 1/1

06:00-07:25

1 stop31h 25m

$2,322

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 30/12

12:10-10:10

1 stop40h 00m

Denver Intl

Wed 14/1

15:58-09:15

1 stop23h 17m

$2,350

Flights are sorted by cheapest return flights first.

Deals found on 23/11

Showing 1-10 of 26 results
1
2
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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 $943). Flying from Sydney to Colorado in December is currently the most expensive (average of $1,624). 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 25 November 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 47% on your trip compared to booking a flight in the morning.

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 25 November 2025.
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
536 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.5

Food

7.4

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Air New Zealand
8.0
Very Good
536 reviews
Air New Zealand
8.0
Very Good
536 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.5

Food

7.4

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Qantas Airways
7.5
Good
943 reviews
Air New Zealand
8.0
Very Good
536 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.5

Food

7.4

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
United Airlines
7.4
Good
9,041 reviews
Air New Zealand
8.0
Very Good
536 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.5

Food

7.4

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Air Canada
7.1
Good
10,468 reviews
Air New Zealand
8.0
Very Good
536 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.5

Food

7.4

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.

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 $2,239, Air Canada can have you in Colorado from Sydney in 17h 48m. 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 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 $943). Flying from Sydney to Colorado in December is currently the most expensive (average of $1,624). 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

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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 25 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,053Average$1,246FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,327Average$1,678FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,341Average$1,571FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,440Average$2,067FlexibilityNo 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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