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$509+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
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 septiembre 16, 2025.

Round-trip from

$757
(Trip.com)

One-way from

$509
(Delta)

Popular in

December

Cheapest in

February

Average price

$1,092
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 ($245 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 16, 2025.

This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/312:15 pmSYD - DEN
2 stops27h 42mMultiple Airlines
vie. 11/76:30 amDEN - SYD
2 stops36h 00mMultiple Airlines
Deal found 9/15$757
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/295:45 pmSYD - DEN
1 stop33h 33mMultiple Airlines
mié. 11/511:45 amDEN - SYD
1 stop25h 40mMultiple Airlines
Deal found 9/13$803
This Flighttix deal was found by Cheapflights users on 9/13. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2911:20 amSYD - DEN
2 stops21h 12mBritish Airways
mié. 11/52:49 pmDEN - SYD
2 stops24h 11mBritish Airways
Deal found 9/13$911
This American Airlines deal was found by Cheapflights users on 9/14. 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.
mié. 10/2911:20 amSYD - DEN
2 stops23h 52mAmerican Airlines
mié. 11/52:49 pmDEN - SYD
2 stops24h 11mAmerican Airlines
Deal found 9/14$934
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/126:45 pmSYD - DEN
1 stop32h 33mMultiple Airlines
dom. 10/196:00 amDEN - SYD
1 stop32h 30mMultiple Airlines
Deal found 9/14$938
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2210:10 amSYD - DEN
2 stops30h 00mMultiple Airlines
jue. 11/137:45 amDEN - SYD
2 stops29h 40mMultiple Airlines
Deal found 9/14$939
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/305:45 pmSYD - DEN
1 stop33h 33mMultiple Airlines
jue. 11/68:00 amDEN - SYD
1 stop29h 25mMultiple Airlines
Deal found 9/14$946

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 septiembre 16, 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

mié. 10/29

5:45 pm-10:18 am

1 stop33h 33m

Denver Intl

mié. 11/5

11:45 am-7:25 am

1 stop25h 40m

$803

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

jue. 2/5

11:20 am-4:40 pm

2 stops47h 20m

Denver Intl

lun. 2/23

7:05 pm-2:40 pm

2 stops25h 35m

$877

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

lun. 2/16

11:20 am-7:18 pm

1 stop25h 58m

Denver Intl

jue. 2/26

7:05 pm-9:35 am

1 stop20h 30m

$905

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

mié. 10/29

11:20 am-3:32 pm

2 stops21h 12m

Denver Intl

mié. 11/5

2:49 pm-9:00 am

2 stops24h 11m

$911

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

lun. 2/16

11:15 am-8:15 am

2 stops39h 00m

Denver Intl

lun. 3/2

6:10 am-6:35 am

2 stops30h 25m

$927

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

mar. 2/17

11:15 am-3:07 pm

2 stops21h 52m

Denver Intl

dom. 3/1

9:00 am-6:55 am

1 stop27h 55m

$927

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

mié. 10/29

11:20 am-6:12 pm

2 stops23h 52m

Denver Intl

mié. 11/5

2:49 pm-9:00 am

2 stops24h 11m

$934

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

dom. 10/12

6:45 pm-10:18 am

1 stop32h 33m

Denver Intl

dom. 10/19

6:00 am-7:30 am

1 stop32h 30m

$938

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

jue. 10/30

5:45 pm-9:49 pm

2 stops21h 04m

Denver Intl

jue. 11/6

8:00 am-7:25 am

1 stop29h 25m

$953

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

sáb. 2/14

11:20 am-12:37 pm

1 stop19h 17m

Denver Intl

mié. 3/4

11:20 am-9:35 am

2 stops28h 15m

$955

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 33 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 septiembre 16, 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.

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 septiembre 16, 2025.
Read through reviews of airlines operating flights from Sydney to Colorado, such as Qantas Airways, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
907 reviews

Entertainment

7.2

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
Qantas Airways
7.5
Good
907 reviews
Qantas Airways
7.5
Good
907 reviews

Entertainment

7.2

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
United Airlines
7.4
Good
8,924 reviews
Qantas Airways
7.5
Good
907 reviews

Entertainment

7.2

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
American Airlines
7.2
Good
10,000 reviews
Qantas Airways
7.5
Good
907 reviews

Entertainment

7.2

Boarding

7.7

Comfort

7.5

Crew

8.2

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

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.

  • How long is the flight from Sydney to Colorado?

    Departing from Sydney to Colorado will take you 21h 12m. Sydney and Colorado are separated by a distance of 8348 mi. This flight may include one or multiple stops.

  • 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 ($509), Air Canada ($560), and United Airlines ($835).

  • 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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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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$712Average$1,011FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$775Average$1,423FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,156Average$1,529FlexibilityNo cancel feeOn-time69%

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