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Cheap flights from Colorado to Sydney from $760

DEN — SYD
28 Nov — 5 Dec1
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

Mon 7/1209:12 -
2 stops33h 23m
Tue 15/1206:00 -
2 stops31h 45m
Deal found 25/10$1,308
Tue 1/1209:50 -
1 stop29h 10m
Sat 5/1207:05 -
2 stops26h 09m
Deal found 27/10$1,412
Wed 28/1011:39 -
2 stops27h 56m
Tue 3/1111:20 -
2 stops24h 43m
Deal found 25/10$1,436
Mon 26/1008:15 -
1 stop31h 20m
Wed 11/1111:20 -
2 stops39h 17m
Deal found 25/10$1,477
Wed 2/1213:54 -
2 stops28h 41m
Sun 13/1214:00 -
2 stops23h 45m
Deal found 26/10$1,533
Thu 31/1222:48 -
1 stop37h 37m
Mon 25/114:00 -
2 stops24h 19m
Deal found 25/10$1,543
Mon 26/1008:15 -
1 stop31h 20m
Sun 8/1111:20 -
1 stop19h 23m
Deal found 25/10$1,591
Thu 5/1112:05 -
1 stop24h 55m
Thu 12/1109:10 -
1 stop20h 09m
Deal found 29/10$1,901
Thu 12/1112:54 -
1 stop24h 01m
Mon 16/1119:40 -
2 stops58h 44m
Deal found 24/10$1,909
Tue 24/1112:23 -
1 stop26h 07m
Tue 1/1210:40 -
1 stop21h 10m
Deal found 27/10$2,057
Tue 24/1112:57 -
1 stop23h 58m
Tue 1/1208:55 -
2 stops45h 35m
Deal found 27/10$2,234
Fri 13/1117:05 -
2 stops22h 15m
Mon 30/1109:15 -
1 stop30h 17m
Deal found 26/10$2,534

Find flight deals from Colorado to Sydney

Round-trip from

$1,308

One-way from

$760

Popular in

December

Cheapest in

April

Average price

$2,014
7/12-15/12
  • 7/12-15/12
  • 4 total stops
  • 65h 08m total
  • Colorado to Sydney
Search Deals
23/2-31/12
  • 23/2-31/12
  • 2 total stops
  • 40h 55m total
  • Colorado to Sydney
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($594 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($104 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Colorado to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 26/2

07:00-06:25

2 stops29h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$831

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 24/2

07:00-06:25

2 stops29h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$852

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 10/2

07:47-06:25

2 stops28h 38m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$852

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 8/12

09:53-06:25

1 stop26h 32m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$855

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 7/12

22:29-10:30

2 stops42h 01m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$872

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 9/11

18:33-10:00

3 stops45h 27m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,013

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Tue 24/11

12:23-08:30

1 stop26h 07m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,091

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 30/12

19:30-19:25

2 stops53h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,202

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Fri 15/1

11:32-09:00

1 stop27h 28m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,207
Fastest return journey

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 26/12

14:31-06:25

1 stop21h 54m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,217

Flights are sorted by cheapest return flights first.

Deals found on 25/10

Showing 1-10 of 35 resultsSorted by cheapest first
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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

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, April is the cheapest month in which you can book a flight from Colorado to Sydney (average of $1,676). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,754). 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 for a return flight from Colorado to Sydney?

Airfare is below average for this route at the moment.
Colorado to Sydney flights typically cost between $1,825 and $2,500 in December.
The cheapest return price found within the last 5 days was $1,308 on Multiple Airlines (7 Dec–15 Dec).

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

The price you pay for your flight from Colorado to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 20 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

  • 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 20h 10m. Air Canada provides one of the quickest options available for as low as $1,490. 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, April is the cheapest month in which you can book a flight from Colorado to Sydney (average of $1,676). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,754). 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
Cronulla
Lithgow
Terrigal
Katoomba
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Colorado to Sydney

AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,243Average$2,319FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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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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