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Cheap flights from Colorado to Sydney from $574

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 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Colorado to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Colorado to Sydney
Explore the most affordable flight options available from Colorado to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 January 2026.

Wed 4/321:31
DEN
-
SYD
1 stop39h 54m
Multiple Airlines
Tue 17/314:00
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Deal found 24/1$1,370
Wed 4/321:31
DEN
-
SYD
1 stop39h 54m
Multiple Airlines
Sat 14/314:00
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Deal found 24/1$1,380
Sun 15/222:43
DEN
-
SYD
1 stop38h 42m
Multiple Airlines
Wed 25/206:00
SYD
-
DEN
2 stops46h 02m
Multiple Airlines
Deal found 26/1$1,387
Thu 5/311:56
DEN
-
SYD
1 stop25h 29m
Multiple Airlines
Wed 18/314:00
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Deal found 24/1$1,396
Tue 24/211:30
DEN
-
SYD
1 stop25h 55m
Multiple Airlines
Tue 3/306:00
SYD
-
DEN
2 stops45h 49m
Multiple Airlines
Deal found 25/1$1,404
Thu 5/311:56
DEN
-
SYD
1 stop25h 29m
Multiple Airlines
Sat 14/314:00
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Deal found 24/1$1,406
Wed 11/309:00
DEN
-
SYD
1 stop29h 25m
Multiple Airlines
Sun 22/314:00
SYD
-
DEN
2 stops36h 44m
Multiple Airlines
Deal found 25/1$1,409
Thu 5/311:56
DEN
-
SYD
1 stop25h 29m
Multiple Airlines
Sun 15/314:00
SYD
-
DEN
2 stops36h 44m
Multiple Airlines
Deal found 24/1$1,410
Thu 19/309:00
DEN
-
SYD
2 stops34h 35m
Multiple Airlines
Sat 28/314:00
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Deal found 27/1$1,422
Tue 17/211:30
DEN
-
SYD
1 stop25h 55m
Multiple Airlines
Thu 19/214:00
SYD
-
DEN
2 stops37h 29m
Multiple Airlines
Deal found 26/1$1,443
Sat 4/409:20
DEN
-
SYD
1 stop30h 10m
Multiple Airlines
Wed 15/413:15
SYD
-
DEN
2 stops22h 34m
Multiple Airlines
Deal found 24/1$1,465
Wed 18/309:00
DEN
-
SYD
1 stop29h 25m
Multiple Airlines
Wed 25/314:00
SYD
-
DEN
2 stops36h 44m
Multiple Airlines
Deal found 26/1$1,467

Find flight deals from Colorado to Sydney

Keep the following information in mind while searching for Colorado to Sydney flight deals. Data was last updated 27 January 2026.

Round-trip from

$1,370

One-way from

$574

Popular in

December

Cheapest in

April

Average price

$1,868
4/3-17/3
  • 4/3-17/3
  • 3 total stops
  • 67h 24m total
  • Colorado to Sydney
Search Deals
28/2
  • 28/2
  • 2 total stops
  • 30h 45m total
  • Colorado to Sydney
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($583 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($103 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Colorado to Sydney 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 27 January 2026.
Use the filters below to find and compare flights from Colorado to Sydney that are best for you.

Fly from

Colorado

Fly to

Sydney

Route

Depart

Return

Price

AspenSydney

ASE - SYD

ASESYD

Aspen Pitkin County

Sat 14/2

18:39-06:20

1 stop41h 41m

Sydney Kingsford Smith

Wed 18/2

11:20-12:55

1 stop19h 35m

$1,770

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 26/2

19:52-19:45

2 stops29h 53m

Sydney Kingsford Smith

Sat 7/3

21:40-10:38

2 stops30h 58m

$1,912

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 22/2

08:05-09:35

1 stop31h 30m

Sydney Kingsford Smith

Wed 25/2

11:20-12:37

1 stop19h 17m

$1,953

Colorado SpringsSydney

COS - SYD

COSSYD

Colorado Springs

Fri 13/3

13:39-06:55

1 stop24h 16m

Sydney Kingsford Smith

Fri 20/3

13:05-23:59

1 stop27h 54m

$1,971

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Fri 20/3

15:56-08:35

1 stop23h 39m

Sydney Kingsford Smith

Fri 27/3

10:20-12:37

1 stop19h 17m

$1,974

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 10/3

19:14-09:15

1 stop21h 01m

Sydney Kingsford Smith

Wed 18/3

12:10-16:40

1 stop21h 30m

$1,975

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 4/3

15:54-06:20

1 stop20h 26m

Sydney Kingsford Smith

Mon 16/3

10:25-14:35

1 stop21h 10m

$1,975

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 8/7

17:52-06:55

1 stop21h 03m

Sydney Kingsford Smith

Mon 27/7

09:30-12:03

1 stop18h 33m

$1,975

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 8/7

09:35-06:55

1 stop29h 20m

Sydney Kingsford Smith

Tue 28/7

09:30-12:03

1 stop18h 33m

$1,975

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 8/3

16:40-07:00

1 stop21h 20m

Sydney Kingsford Smith

Mon 16/3

12:10-14:55

1 stop19h 45m

$1,975

Flights are sorted by cheapest return flights first.

Deals found on 25/1

Showing 1-10 of 32 results
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Best time to book a flight from Colorado to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Colorado 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 Colorado to Sydney

What is the cheapest month to book a flight from Colorado to Sydney?

Currently, June is the cheapest month in which you can book a flight from Colorado to Sydney (average of $954). Flying from Colorado to Sydney in January is currently the most expensive (average of $1,232). 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.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Sydney. 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 into for flights to Sydney from Colorado?

    Located just 7.5 km from the city centre, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Sydney from Colorado.

  • How long is the flight from Colorado to Sydney?

    A quick flight from Colorado to Sydney can take about 24h 16m. United Airlines provides one of the quickest options available for as low as $1,971. The distance between Colorado and Sydney is about 13390 km. This flight may include one or multiple stops.

  • What are the most popular routes from Colorado to Sydney?

    The most popular route from Colorado to Sydney is Denver Intl - Sydney Kingsford Smith. You may also consider Aspen Pitkin County - Sydney Kingsford Smith or Colorado Springs - Sydney Kingsford Smith.

  • Can I find deals for flights from Colorado to Sydney that include hotel bookings?

    Yes. In addition to deals on Colorado to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Sydney.

  • Can I find deals for business class flights from Colorado to Sydney?

    Yes. Cheapflights offers flight deals from Colorado to Sydney 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 Colorado to Sydney?

    Currently, June is the cheapest month in which you can book a flight from Colorado to Sydney (average of $954). Flying from Colorado to Sydney in January is currently the most expensive (average of $1,232). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Manly
Katoomba
Terrigal
Lithgow
Leura
Coogee
Cronulla
Randwick
Bondi Beach

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Alternative routes for Colorado to Sydney

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Top airline flying from Colorado to Sydney

Discover the top airline that operate flights from Colorado to Sydney. 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 27 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,188Average$1,915FlexibilityNo cancel feeOn-time74%
Search Qantas Airways 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 Colorado to Sydney?

Cheapflights helps you search for flights from Colorado to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Colorado to Sydney?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sydney from Colorado.

Can Cheapflights find flights from Colorado to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Colorado to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Colorado to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Colorado today and book when prices fit your budget.

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