Find flights
When to book
Airlines
FAQs

Cheap flights from Sydney to Colorado from $553

SYD — DEN
4 Dec — 11 Dec1
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

Thu 5/1111:10 -
1 stop25h 05m
Mon 9/1115:44 -
2 stops23h 16m
Deal found 2/11$1,050
Mon 9/1111:10 -
1 stop25h 05m
Tue 24/1113:13 -
2 stops25h 47m
Deal found 1/11$1,060
Sat 7/1111:10 -
1 stop25h 05m
Sat 14/1118:46 -
1 stop20h 14m
Deal found 30/10$1,194
Sat 7/1110:40 -
2 stops24h 16m
Sat 14/1106:00 -
2 stops32h 30m
Deal found 30/10$1,199
Tue 1/1217:50 -
2 stops36h 33m
Tue 8/1216:23 -
2 stops25h 22m
Deal found 2/11$1,218
Mon 9/1114:00 -
3 stops27h 53m
Tue 24/1114:20 -
2 stops28h 15m
Deal found 1/11$1,490
Mon 30/1111:15 -
1 stop28h 45m
Mon 7/1218:46 -
1 stop20h 14m
Deal found 2/11$1,820
Tue 1/1211:15 -
2 stops22h 00m
Tue 8/1218:46 -
1 stop20h 14m
Deal found 2/11$1,857
Tue 29/1210:40 -
2 stops26h 48m
Sun 31/106:10 -
2 stops30h 40m
Deal found 1/11$1,880
Fri 4/1209:55 -
2 stops26h 56m
Sun 6/1207:38 -
2 stops30h 57m
Deal found 3/11$2,453
Thu 19/1111:20 -
1 stop20h 16m
Mon 23/1114:17 -
1 stop24h 48m
Deal found 3/11$2,797
Fri 4/1209:15 -
1 stop20h 48m
Sun 6/1214:05 -
1 stop25h 00m
Deal found 3/11$2,887

Find flight deals from Sydney to Colorado

Round-trip from

$1,049

One-way from

$553

Popular in

July

Cheapest in

October

Average price

$1,635
Qantas Airways
  • Qantas Airways
  • 18/3-30/3
  • 2 total stops
  • 42h 44m total
  • Sydney to Colorado
Search Deals
26/1-31/12
  • 26/1-31/12
  • 2 total stops
  • 24h 19m total
  • Sydney to Colorado
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($562 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($96 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Sydney to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SydneyDenver

SYD Sydney Kingsford Smith - DEN Denver Intl

SYDDEN

Sydney Kingsford Smith

Mon 9/11

10:40-11:56

1 stop19h 16m

Denver Intl

Wed 31/12

00:00-17:00

Nonstop0h 00m

$616

SydneyDenver

SYD Sydney Kingsford Smith - DEN Denver Intl

SYDDEN

Sydney Kingsford Smith

Fri 13/11

10:40-18:52

1 stop26h 12m

Denver Intl

Wed 31/12

00:00-17:00

Nonstop0h 00m

$701

SydneyDenver

SYD Sydney Kingsford Smith - DEN Denver Intl

SYDDEN

Sydney Kingsford Smith

Sun 7/2

10:40-17:17

2 stops24h 37m

Denver Intl

Wed 31/12

00:00-17:00

Nonstop0h 00m

$702

SydneyDenver

SYD Sydney Kingsford Smith - DEN Denver Intl

SYDDEN

Sydney Kingsford Smith

Thu 3/12

09:10-19:51

3 stops28h 41m

Denver Intl

Wed 31/12

00:00-17:00

Nonstop0h 00m

$785

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

$894

SydneyDenver

SYD Sydney Kingsford Smith - DEN Denver Intl

SYDDEN

Sydney Kingsford Smith

Mon 9/11

21:55-09:45

3 stops53h 50m

Denver Intl

Wed 31/12

00:00-17:00

Nonstop0h 00m

$949

SydneyDenver

SYD Sydney Kingsford Smith - DEN Denver Intl

SYDDEN

Sydney Kingsford Smith

Thu 21/1

13:35-22:55

1 stop27h 20m

Denver Intl

Sun 31/1

07:20-06:50

1 stop29h 30m

$1,059

SydneyDenver

SYD Sydney Kingsford Smith - DEN Denver Intl

SYDDEN

Sydney Kingsford Smith

Wed 20/1

10:40-17:17

2 stops24h 37m

Denver Intl

Fri 5/2

08:03-08:30

2 stops30h 27m

$1,129

SydneyDenver

SYD Sydney Kingsford Smith - DEN Denver Intl

SYDDEN

Sydney Kingsford Smith

Thu 25/3

12:30-23:28

2 stops27h 58m

Denver Intl

Fri 9/4

06:30-06:50

1 stop32h 20m

$1,129

SydneyDenver

SYD Sydney Kingsford Smith - DEN Denver Intl

SYDDEN

Sydney Kingsford Smith

Thu 11/2

11:20-23:59

1 stop30h 39m

Denver Intl

Sun 14/2

07:00-06:25

1 stop29h 25m

$1,149

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 45 resultsSorted by cheapest first
1
2
3
...
5

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

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, October is the cheapest month in which you can book a flight from Sydney to Colorado (average of $1,568). Flying from Sydney to Colorado in July is currently the most expensive (average of $2,589). 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?

Airfare is below average for this route at the moment.
Sydney to Colorado flights typically cost between $1,376 and $2,204 in March.
The cheapest return price found within the last 5 days was $1,049 on Qantas Airways (18 Mar–30 Mar).

How far ahead should I book a flight from Sydney to Colorado?

The price you pay for your flight from Sydney to Colorado may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Colorado

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
681 reviews
Check prices

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.5

Entertainment

7.5

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

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.5

Entertainment

7.5

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
Qantas Airways
7.5
Good
1,122 reviews
Air New Zealand
8.0
Very Good
681 reviews
Check prices

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.5

Entertainment

7.5

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
United Airlines
7.3
Good
10,460 reviews
Air New Zealand
8.0
Very Good
681 reviews
Check prices

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.5

Entertainment

7.5

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
Air Canada
7.1
Good
11,854 reviews
Air New Zealand
8.0
Very Good
681 reviews
Check prices

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.5

Entertainment

7.5

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
American Airlines
7.0
Good
12,230 reviews
Air New Zealand
8.0
Very Good
681 reviews
Check prices

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.5

Entertainment

7.5

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

Related info for your journey

  • 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 $1,878, Delta can have you in Colorado from Sydney in 24h. Airlines will cover a distance of 13390 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 - 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, October is the cheapest month in which you can book a flight from Sydney to Colorado (average of $1,568). Flying from Sydney to Colorado in July is currently the most expensive (average of $2,589). 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

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Sydney to Colorado

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,126Average$1,697FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,185Average$2,063FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,213Average$1,961FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,336Average$1,576FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,384Average$2,259FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.