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Cheap flights from Sydney to Colorado from $659

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
19 May — 26 May1
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 19 April 2026.

Tue 2/617:50
SYD
-
DEN
1 stop18h 16m
Multiple Airlines
Tue 9/607:25
DEN
-
SYD
1 stop32h 05m
Multiple Airlines
Deal found 18/4$1,564
Sat 30/517:50
SYD
-
DEN
1 stop18h 16m
Multiple Airlines
Sat 6/622:39
DEN
-
SYD
1 stop40h 51m
Multiple Airlines
Deal found 15/4$1,606
Mon 4/517:50
SYD
-
DEN
1 stop32h 14m
Multiple Airlines
Tue 12/522:39
DEN
-
SYD
2 stops45h 11m
Multiple Airlines
Deal found 14/4$1,619
Tue 5/517:50
SYD
-
DEN
1 stop32h 14m
Multiple Airlines
Sat 9/507:20
DEN
-
SYD
2 stops36h 30m
Multiple Airlines
Deal found 14/4$1,628
Thu 4/617:50
SYD
-
DEN
1 stop22h 48m
Multiple Airlines
Wed 17/607:25
DEN
-
SYD
1 stop32h 05m
Multiple Airlines
Deal found 15/4$1,635
Wed 6/517:50
SYD
-
DEN
1 stop32h 14m
Multiple Airlines
Mon 11/507:00
DEN
-
SYD
2 stops36h 50m
Multiple Airlines
Deal found 14/4$1,637
Thu 28/517:50
SYD
-
DEN
1 stop18h 16m
Multiple Airlines
Sat 6/622:39
DEN
-
SYD
2 stops45h 11m
Multiple Airlines
Deal found 18/4$1,660
Sun 31/509:15
SYD
-
ASE
1 stop26h 50m
Delta
Sun 7/612:03
ASE
-
SYD
1 stop26h 47m
Delta
Deal found 16/4$1,772
Sat 30/512:00
SYD
-
COS
1 stop22h 35m
Qantas Airways
Sat 6/617:15
COS
-
SYD
1 stop21h 40m
Qantas Airways
Deal found 15/4$2,530
Sat 30/509:10
SYD
-
COS
2 stops23h 33m
American Airlines
Sat 6/612:57
COS
-
SYD
2 stops26h 08m
American Airlines
Deal found 15/4$2,627
Sat 30/506:25
SYD
-
COS
3 stops28h 10m
Multiple Airlines
Sat 6/612:57
COS
-
SYD
3 stops26h 33m
Multiple Airlines
Deal found 15/4$2,649
Fri 8/510:20
SYD
-
COS
2 stops20h 04m
United Airlines
Mon 11/510:40
COS
-
SYD
2 stops28h 15m
United Airlines
Deal found 14/4$2,847

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 19 April 2026.

Round-trip from

$1,564

One-way from

$659

Popular in

January

Cheapest in

November

Average price

$1,674
2/6-9/6
  • 2/6-9/6
  • 2 total stops
  • 50h 21m total
  • Sydney to Colorado
Search Deals
22/8
  • 22/8
  • 3 total stops
  • 28h 52m total
  • Sydney to Colorado
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($242 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($51 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 19 April 2026.
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

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 3/8

13:15-11:14

2 stops37h 59m

Denver Intl

Tue 15/9

18:00-11:50

2 stops25h 50m

$1,973

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 3/5

20:45-12:06

2 stops31h 21m

Denver Intl

Sun 10/5

06:45-18:50

2 stops44h 05m

$2,016

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 7/8

09:10-17:56

1 stop24h 46m

Denver Intl

Sun 16/8

06:02-07:05

2 stops33h 03m

$2,066

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 7/5

20:45-12:06

2 stops31h 21m

Denver Intl

Tue 12/5

06:00-18:50

2 stops44h 50m

$2,079

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 22/5

13:15-11:01

2 stops37h 46m

Denver Intl

Wed 10/6

11:31-12:05

2 stops32h 34m

$2,279

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 15/6

09:15-22:41

2 stops29h 26m

Denver Intl

Mon 29/6

15:55-06:50

2 stops22h 55m

$2,327
Fastest return journey

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 15/6

09:15-11:34

1 stop18h 19m

Denver Intl

Thu 25/6

19:16-06:50

1 stop19h 34m

$2,373

SydneyColorado Springs

SYD - COS

SYDCOS

Sydney Kingsford Smith

Sat 30/5

12:00-18:35

1 stop22h 35m

Colorado Springs

Sat 6/6

17:15-06:55

1 stop21h 40m

$2,530

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 4/6

09:30-16:35

2 stops23h 05m

Denver Intl

Wed 17/6

18:05-06:55

2 stops20h 50m

$2,625

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 4/6

09:10-11:01

1 stop17h 51m

Denver Intl

Wed 17/6

18:08-07:30

1 stop21h 22m

$2,631

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 28 resultsSorted by cheapest first
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, April is the cheapest month in which you can book a flight from Sydney to Colorado (average of $591). Flying from Sydney to Colorado in January is currently the most expensive (average of $1,361). 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 19 April 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
630 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Food

7.4

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air New Zealand
8.0
Very Good
630 reviews
Air New Zealand
8.0
Very Good
630 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Food

7.4

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Qantas Airways
7.5
Good
1,020 reviews
Air New Zealand
8.0
Very Good
630 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Food

7.4

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
United Airlines
7.4
Good
9,605 reviews
Air New Zealand
8.0
Very Good
630 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Food

7.4

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
American Airlines
7.1
Good
11,617 reviews
Air New Zealand
8.0
Very Good
630 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Food

7.4

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air Canada
7.1
Good
10,939 reviews
Air New Zealand
8.0
Very Good
630 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Food

7.4

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after 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 $2,847, Qantas Airways can have you in Colorado from Sydney in 20h 04m. 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 - 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, April is the cheapest month in which you can book a flight from Sydney to Colorado (average of $591). Flying from Sydney to Colorado in January is currently the most expensive (average of $1,361). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Sydney to Colorado

Discover the top 5 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 19 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$996Average$1,431FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,195Average$1,491FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,207Average$1,409FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,347Average$1,804FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$1,540Average$1,563FlexibilityNo cancel feeOn-time71%
Search American 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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