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$497+ Cheap flights from Sydney (SYD) to Colorado

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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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 August 1, 2025.

Round-trip from

$838
(Delta)

One-way from

$497
(Delta)

Popular in

December

Cheapest in

February

Average price

$1,073
From Sydney Kingsford Smith to Colorado
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One-way flight from Sydney Kingsford Smith to Colorado
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Highest demand for flights based on searches. 18% potential increase in price ($248 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 1, 2025.

This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:25 amSYD - ASE
1 stop24h 28mDelta
Sat 9/2012:02 pmASE - SYD
1 stop26h 33mDelta
Deal found 7/29$838
This Booking.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/83:00 pmSYD - DEN
2 stops41h 33mAir Canada
Fri 9/127:05 pmDEN - SYD
1 stop20h 15mAir Canada
Deal found 7/31$941
This BestPriceTravel deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/139:10 amSYD - DEN
1 stop18h 19mQantas Airways
Sat 8/305:59 pmDEN - SYD
1 stop21h 06mQantas Airways
Deal found 8/1$972
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1310:20 amSYD - DEN
2 stops20h 07mUnited Airlines
Sat 8/309:24 pmDEN - SYD
1 stop41h 31mUnited Airlines
Deal found 8/1$976
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/259:10 amSYD - DEN
1 stop29h 55mAmerican Airlines
Tue 10/145:04 pmDEN - SYD
1 stop20h 51mAmerican Airlines
Deal found 7/30$982
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:30 amSYD - ASE
1 stop20h 21mUnited Airlines
Sat 9/206:15 pmASE - SYD
2 stops44h 40mUnited Airlines
Deal found 7/29$1,038
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/159:10 amSYD - COS
2 stops23h 08mAmerican Airlines
Mon 9/222:16 pmCOS - SYD
2 stops24h 49mAmerican Airlines
Deal found 7/31$1,068
This Expedia deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/209:55 amSYD - ASE
2 stops43h 41mAir New Zealand
Wed 10/2210:45 amASE - SYD
2 stops37h 25mAir New Zealand
Deal found 7/30$1,074
This Aunt Betty deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:35 pmSYD - DEN
2 stops39h 48mMultiple Airlines
Fri 9/123:42 pmDEN - SYD
2 stops23h 38mMultiple Airlines
Deal found 7/31$1,105
This Qantas Airways deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1512:10 pmSYD - COS
1 stop20h 08mQantas Airways
Mon 9/225:16 pmCOS - SYD
1 stop21h 39mQantas Airways
Deal found 7/31$1,166
This Jetabroad deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:20 amSYD - COS
2 stops22h 39mAir Canada
Sat 9/205:10 pmCOS - SYD
3 stops26h 30mAir Canada
Deal found 7/30$1,443
This Qantas Airways deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:15 amSYD - COS
3 stops26h 03mMultiple Airlines
Mon 9/222:16 pmCOS - SYD
2 stops25h 14mMultiple Airlines
Deal found 7/31$1,544

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated August 1, 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

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Sat 9/13

9:25 am-5:53 pm

1 stop24h 28m

Aspen Pitkin County

Sat 9/20

12:02 pm-6:35 am

1 stop26h 33m

$838

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 9/8

3:00 pm-4:33 pm

2 stops41h 33m

Denver Intl

Fri 9/12

7:05 pm-7:20 am

1 stop20h 15m

$941

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 8/13

9:10 am-11:29 am

1 stop18h 19m

Denver Intl

Sat 8/30

5:59 pm-7:05 am

1 stop21h 06m

$972

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 8/13

10:20 am-2:27 pm

2 stops20h 07m

Denver Intl

Sat 8/30

9:24 pm-6:55 am

1 stop41h 31m

$976

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 9/25

9:10 am-11:05 pm

1 stop29h 55m

Denver Intl

Tue 10/14

5:04 pm-6:55 am

1 stop20h 51m

$982

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Sat 9/13

10:20 am-2:44 pm

2 stops20h 24m

Aspen Pitkin County

Sat 9/20

6:15 pm-6:55 am

2 stops44h 40m

$1,038

SydneyColorado Springs

SYD - COS

SYDCOS

Sydney Kingsford Smith

Mon 9/15

9:10 am-4:18 pm

2 stops23h 08m

Colorado Springs

Mon 9/22

2:16 pm-7:05 am

2 stops24h 49m

$1,068

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Mon 10/20

9:55 am-12:36 pm

2 stops43h 41m

Aspen Pitkin County

Wed 10/22

10:45 am-5:10 pm

2 stops37h 25m

$1,074

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 9/8

9:35 pm-9:23 pm

2 stops39h 48m

Denver Intl

Fri 9/12

3:42 pm-7:20 am

2 stops23h 38m

$1,105

SydneyColorado Springs

SYD - COS

SYDCOS

Sydney Kingsford Smith

Mon 9/15

12:10 pm-4:18 pm

1 stop20h 08m

Colorado Springs

Mon 9/22

5:16 pm-6:55 am

1 stop21h 39m

$1,166

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 30 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 round-trip 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, October is the cheapest month in which you can book a flight from Sydney to Colorado (average of $197). Flying from Sydney to Colorado in March is currently the most expensive (average of $278). 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 August 1, 2025.

When flying from Sydney to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip 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 August 1, 2025.
Read through reviews of airlines operating flights from Sydney to Colorado, such as Air Tahiti Nui, Japan Airlines, and Singapore Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.6
Very good
68 reviews

Food

7.7

Comfort

8.0

Overall

8.6

Boarding

8.7

Entertainment

7.2

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.6
Very good
68 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Food

7.7

Comfort

8.0

Overall

8.6

Boarding

8.7

Entertainment

7.2

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very good
1,536 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Food

7.7

Comfort

8.0

Overall

8.6

Boarding

8.7

Entertainment

7.2

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Singapore Airlines
8.1
Very good
1,338 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Food

7.7

Comfort

8.0

Overall

8.6

Boarding

8.7

Entertainment

7.2

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Alaska Airlines
8.0
Very good
10,000 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Food

7.7

Comfort

8.0

Overall

8.6

Boarding

8.7

Entertainment

7.2

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Delta
8.0
Very good
7,981 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Food

7.7

Comfort

8.0

Overall

8.6

Boarding

8.7

Entertainment

7.2

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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?

    Located just 4.6 mi from the city center, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Colorado from Sydney.

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

    The cheapest airlines for a one-way flight from Sydney to Colorado are Delta ($497), Air Canada ($555), and United Airlines ($814).

  • 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 vacation 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 $197). Flying from Sydney to Colorado in March is currently the most expensive (average of $278). 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 3 airlines flying from Sydney to Colorado

Discover the top 3 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 2,558,603 searches. Data last updated August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$712Average$1,011FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$775Average$1,441FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,156Average$1,529FlexibilityNo cancel feeOn-time69%

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