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Cheap flights from Colorado to Sydney from $924

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 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Colorado to Sydney

Keep the following information in mind while searching for Colorado to Sydney flight deals. Data was last updated 5 November 2025.

Round-trip from

$1,436

One-way from

$924

Popular in

December

Cheapest in

May

Average price

$2,004
18/11-25/11
  • 18/11-25/11
  • 4 total stops
  • 53h 18m total
  • Colorado to Sydney
Search Deals
17/2
  • 17/2
  • 2 total stops
  • 47h 30m total
  • Colorado to Sydney
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($651 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($93 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 5 November 2025.

Tue 18/1111:45DEN - SYD
2 stops30h 50mMultiple Airlines
Tue 25/1114:00SYD - DEN
2 stops22h 28mMultiple Airlines
Deal found 3/11$1,436
Tue 2/1217:01DEN - SYD
1 stop21h 59mMultiple Airlines
Tue 9/1211:20SYD - DEN
2 stops26h 40mMultiple Airlines
Deal found 4/11$1,499
Wed 3/1217:01DEN - SYD
1 stop20h 24mMultiple Airlines
Wed 10/1211:20SYD - DEN
2 stops39h 44mMultiple Airlines
Deal found 4/11$1,508
Sun 7/1206:00DEN - SYD
1 stop33h 00mMultiple Airlines
Mon 22/1211:20SYD - DEN
1 stop24h 20mMultiple Airlines
Deal found 3/11$1,569
Tue 18/1111:45DEN - SYD
1 stop25h 40mMultiple Airlines
Mon 15/1217:45SYD - DEN
1 stop24h 32mMultiple Airlines
Deal found 4/11$1,609
Tue 18/1111:45DEN - SYD
1 stop25h 40mMultiple Airlines
Sun 14/1217:45SYD - DEN
1 stop24h 32mMultiple Airlines
Deal found 4/11$1,622
Sun 30/1122:29DEN - SYD
1 stop40h 31mMultiple Airlines
Tue 9/1211:20SYD - DEN
2 stops29h 09mMultiple Airlines
Deal found 3/11$1,677
Mon 8/1206:00DEN - SYD
1 stop33h 00mMultiple Airlines
Fri 19/1211:20SYD - DEN
1 stop24h 20mMultiple Airlines
Deal found 3/11$1,679
Thu 13/1112:01ASE - SYD
1 stop26h 29mDelta
Mon 17/1110:40SYD - ASE
1 stop19h 42mDelta
Deal found 4/11$1,866
Thu 13/1115:34ASE - SYD
2 stops23h 41mUnited Airlines
Mon 17/1111:20SYD - ASE
2 stops21h 16mUnited Airlines
Deal found 4/11$2,026
Sun 9/1113:40ASE - SYD
1 stop25h 25mUnited Airlines
Thu 27/1111:20SYD - ASE
1 stop19h 16mUnited Airlines
Deal found 5/11$2,630
Sat 8/1117:12ASE - SYD
2 stops43h 48mUnited Airlines
Thu 27/1112:10SYD - ASE
2 stops20h 26mUnited Airlines
Deal found 5/11$2,638

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 5 November 2025.
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

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 16/3

16:00-10:30

2 stops25h 30m

Sydney Kingsford Smith

Mon 23/3

11:45-17:57

2 stops23h 12m

$1,994

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 25/2

19:50-19:45

2 stops29h 55m

Sydney Kingsford Smith

Fri 6/3

21:40-10:32

2 stops30h 52m

$2,049

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 26/2

12:30-19:45

2 stops37h 15m

Sydney Kingsford Smith

Thu 5/3

21:40-18:33

2 stops38h 53m

$2,057

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 11/2

13:35-06:20

1 stop22h 45m

Sydney Kingsford Smith

Wed 25/2

12:10-12:18

1 stop18h 08m

$2,092

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 1/3

07:45-07:00

1 stop29h 15m

Sydney Kingsford Smith

Sun 8/3

14:00-15:44

1 stop19h 44m

$2,094

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 1/3

07:45-07:00

1 stop29h 15m

Sydney Kingsford Smith

Mon 9/3

12:10-14:53

1 stop19h 43m

$2,094

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 28/2

18:50-06:50

2 stops42h 00m

Sydney Kingsford Smith

Mon 9/3

10:40-19:14

2 stops25h 34m

$2,101

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 1/3

06:29-06:50

2 stops30h 21m

Sydney Kingsford Smith

Tue 10/3

13:15-18:09

1 stop21h 54m

$2,101

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 25/2

12:30-08:30

2 stops26h 00m

Sydney Kingsford Smith

Wed 4/3

10:40-15:04

2 stops22h 24m

$2,101

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 25/2

18:12-08:30

1 stop20h 18m

Sydney Kingsford Smith

Tue 10/3

09:40-19:14

2 stops26h 34m

$2,101

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 31 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 $1,050). Flying from Colorado to Sydney in January is currently the most expensive (average of $1,325). 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 CO to SYD?

Find hourly flight availability from Colorado to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 November 2025.

When flying from Colorado to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 32% versus a flight in the evening.

How much does it cost for a return flight from Colorado to Sydney?

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 22h 45m. Air New Zealand provides one of the quickest options available for as low as $2,092. The distance between Colorado and Sydney is about 13435 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 $1,050). Flying from Colorado to Sydney in January is currently the most expensive (average of $1,325). 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
Katoomba
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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Top 2 airlines flying from Colorado to Sydney

Discover the top 2 airlines 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 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$307Average$1,431FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$1,017Average$1,991FlexibilityNo 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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