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Colorado

$518+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
Jun 6 — Jun 131
Sat 6/6
Sat 6/13
1 adult, Economy
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Cheap 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 May 7, 2026.

This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sun 5/1010:20 am
SYD
-
DEN
2 stops38h 02m
United Airlines
Tue 5/125:20 am
DEN
-
SYD
1 stop33h 35m
United Airlines
Deal found 5/6$1,031
This Trip.com deal was found by Cheapflights users on 5/6. 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.
Sun 8/231:15 pm
SYD
-
DEN
2 stops27h 25m
Multiple Airlines
Sat 8/2912:32 pm
DEN
-
SYD
2 stops31h 18m
Multiple Airlines
Deal found 5/6$1,067
This Trip.com deal was found by Cheapflights users on 5/6. 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.
Mon 8/241:15 pm
SYD
-
DEN
2 stops27h 25m
Multiple Airlines
Thu 8/2712:32 pm
DEN
-
SYD
2 stops31h 18m
Multiple Airlines
Deal found 5/6$1,079
This Trip.com deal was found by Cheapflights users on 5/6. 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.
Sun 8/231:15 pm
SYD
-
DEN
2 stops27h 25m
Multiple Airlines
Thu 8/2712:32 pm
DEN
-
SYD
2 stops31h 18m
Multiple Airlines
Deal found 5/6$1,082
This Trip.com deal was found by Cheapflights users on 5/2. 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.
Fri 8/71:15 pm
SYD
-
DEN
2 stops27h 21m
Multiple Airlines
Sun 8/167:00 am
DEN
-
SYD
2 stops36h 50m
Multiple Airlines
Deal found 5/2$1,119
This Delta deal was found by Cheapflights users on 5/3. 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.
Thu 5/219:15 am
SYD
-
ASE
1 stop26h 50m
Delta
Mon 5/2512:00 pm
ASE
-
SYD
1 stop26h 50m
Delta
Deal found 5/3$1,126
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Tue 6/95:50 pm
SYD
-
DEN
1 stop32h 12m
Multiple Airlines
Wed 6/2412:47 pm
DEN
-
SYD
2 stops26h 43m
Multiple Airlines
Deal found 5/6$1,266
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Wed 5/65:50 pm
SYD
-
DEN
1 stop32h 14m
Multiple Airlines
Wed 5/137:20 am
DEN
-
SYD
1 stop32h 10m
Multiple Airlines
Deal found 5/5$1,282
This Trip.com deal was found by Cheapflights users on 5/3. 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.
Fri 7/241:15 pm
SYD
-
DEN
2 stops27h 21m
Multiple Airlines
Sat 8/812:32 pm
DEN
-
SYD
2 stops31h 18m
Multiple Airlines
Deal found 5/3$1,378
This Bravofly deal was found by Cheapflights users on 5/2. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1612:00 pm
SYD
-
ASE
1 stop24h 29m
Qantas Airways
Tue 6/232:20 pm
ASE
-
SYD
1 stop24h 35m
Qantas Airways
Deal found 5/2$1,850
This Qantas Airways deal was found by Cheapflights users on 5/4. 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.
Thu 6/185:50 pm
SYD
-
COS
2 stops22h 09m
Multiple Airlines
Thu 6/253:53 pm
COS
-
SYD
2 stops23h 12m
Multiple Airlines
Deal found 5/4$1,851
This American Airlines deal was found by Cheapflights users on 5/2. 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.
Tue 6/169:10 am
SYD
-
ASE
2 stops27h 19m
American Airlines
Tue 6/232:20 pm
ASE
-
SYD
2 stops24h 45m
American Airlines
Deal found 5/2$1,900

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 May 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,067
(Trip.com)

One-way from

$518
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$1,316
Provider with most accurate pricing for Sydney Kingsford Smith-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Denver Intl flights.
Search Deals
From Sydney Kingsford Smith to Colorado
Search Deals
One-way flight from Sydney Kingsford Smith to Colorado
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 7, 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 round-trip

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 8/23

1:15 pm-11:59 pm

2 stops26h 44m

Denver Intl

Fri 8/28

6:26 pm-11:50 am

2 stops25h 24m

$1,424

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 5/20

10:20 am-8:20 am

2 stops38h 00m

Denver Intl

Sun 5/24

1:25 pm-6:55 am

1 stop25h 30m

$1,505

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 5/22

8:45 pm-5:02 pm

2 stops36h 17m

Denver Intl

Wed 6/10

7:05 pm-6:50 pm

2 stops31h 45m

$1,545

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 5/22

10:20 am-8:20 am

2 stops38h 00m

Denver Intl

Wed 6/10

5:54 pm-6:55 am

1 stop21h 01m

$1,578

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 8/23

10:20 am-8:20 am

2 stops38h 00m

Denver Intl

Thu 8/27

3:47 pm-6:55 am

1 stop23h 08m

$1,605

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 9/26

9:15 am-3:11 pm

2 stops21h 56m

Denver Intl

Sun 10/11

7:05 am-7:50 am

2 stops31h 45m

$1,738

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 6/25

9:15 am-11:34 am

1 stop18h 19m

Denver Intl

Thu 7/9

5:40 am-6:50 am

2 stops33h 10m

$1,738

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 7/24

10:20 am-2:23 pm

1 stop20h 03m

Denver Intl

Sat 8/8

9:20 pm-7:00 am

1 stop41h 40m

$1,744

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Tue 6/16

12:00 pm-8:29 pm

1 stop24h 29m

Aspen Pitkin County

Tue 6/23

2:20 pm-6:55 am

1 stop24h 35m

$1,850

SydneyColorado Springs

SYD - COS

SYDCOS

Sydney Kingsford Smith

Thu 6/18

5:50 pm-11:59 pm

2 stops22h 09m

Colorado Springs

Thu 6/25

3:53 pm-7:05 am

2 stops23h 12m

$1,851

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 34 resultsSorted by cheapest first
1
2
3
4

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

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

The best time to book flights from Sydney to Colorado is 46 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $424). Flying from Sydney to Colorado in January is currently the most expensive (average of $976). 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 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 May 7, 2026.
Read through reviews of airlines operating flights from Sydney to Colorado, such as Qantas Airways and United 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
1,033 reviews

Comfort

7.5

Overall

7.5

Crew

8.1

Entertainment

7.2

Food

7.0

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Qantas Airways
7.5
Good
1,033 reviews
Qantas Airways
7.5
Good
1,033 reviews

Comfort

7.5

Overall

7.5

Crew

8.1

Entertainment

7.2

Food

7.0

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
United Airlines
7.4
Good
9,692 reviews
Qantas Airways
7.5
Good
1,033 reviews

Comfort

7.5

Overall

7.5

Crew

8.1

Entertainment

7.2

Food

7.0

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

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 24h 29m. Sydney and Colorado are separated by a distance of 8223 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 Air Canada ($582), United Airlines ($809), and Delta ($820).

  • 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, April is the cheapest month in which you can book a flight from Sydney to Colorado (average of $424). Flying from Sydney to Colorado in January is currently the most expensive (average of $976). 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

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Top 2 airlines flying from Sydney to Colorado

Discover the top 2 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 May 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$787Average$1,039FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$889Average$1,519FlexibilityNo cancel feeOn-time69%

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