Find flights
When to book
FAQs

Cheap flights from Colorado to Sydney from $708

DEN — SYD
3 Nov — 10 Nov1
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

Sat 31/1013:10 -
2 stops39h 55m
Sat 7/1114:00 -
3 stops37h 40m
Deal found 30/9$1,387
Wed 28/1013:10 -
2 stops30h 25m
Wed 4/1114:00 -
2 stops21h 35m
Deal found 30/9$1,420
Sun 1/1113:10 -
2 stops29h 25m
Mon 16/1114:00 -
3 stops37h 07m
Deal found 30/9$1,461
Mon 2/1109:10 -
2 stops33h 25m
Mon 16/1114:00 -
2 stops22h 03m
Deal found 2/10$1,503
Sun 1/1113:10 -
2 stops29h 25m
Wed 11/1114:00 -
2 stops21h 35m
Deal found 30/9$1,558
Mon 16/1112:54 -
2 stops29h 41m
Mon 23/1114:00 -
2 stops24h 16m
Deal found 2/10$1,560
Tue 8/1215:55 -
2 stops22h 40m
Mon 28/1214:05 -
2 stops25h 33m
Deal found 3/10$1,661
Mon 16/1114:17 -
2 stops24h 18m
Mon 30/1109:55 -
2 stops27h 56m
Deal found 4/10$1,701
Sat 31/1012:05 -
1 stop25h 55m
Mon 23/1109:15 -
1 stop20h 04m
Deal found 2/10$1,706
Mon 2/1112:04 -
1 stop26h 26m
Sat 14/1110:40 -
1 stop21h 02m
Deal found 4/10$1,706
Mon 2/1112:04 -
1 stop26h 26m
Thu 12/1110:40 -
1 stop21h 02m
Deal found 30/9$1,707
Mon 2/1113:30 -
2 stops25h 35m
Sat 14/1111:50 -
2 stops24h 37m
Deal found 4/10$1,711

Find flight deals from Colorado to Sydney

Round-trip from

$1,387

One-way from

$698

Popular in

December

Cheapest in

April

Average price

$2,107
31/10-7/11
  • 31/10-7/11
  • 5 total stops
  • 77h 35m total
  • Colorado to Sydney
Search Deals
9/12-31/12
  • 9/12-31/12
  • 1 total stop
  • 22h 39m total
  • Colorado to Sydney
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($527 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($81 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

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
Fastest return journey

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Mon 2/11

12:04-08:30

1 stop26h 26m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$849

AspenSydney

ASE Aspen Pitkin County - SYD Sydney Kingsford Smith

ASESYD

Aspen Pitkin County

Mon 2/11

08:45-09:05

2 stops30h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$849

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 30/10

22:55-10:10

2 stops42h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$864

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 23/11

22:29-20:15

3 stops51h 46m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,009

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sun 27/12

17:55-22:15

3 stops58h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,116

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 26/12

22:55-22:15

3 stops53h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,177

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 20/11

22:29-19:45

2 stops27h 16m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,180

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 6/1

19:30-19:25

2 stops53h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,213

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 11/1

19:30-19:25

2 stops53h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,214

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 28/12

19:30-19:25

2 stops53h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,256

Flights are sorted by cheapest return flights first.

Deals found on 4/10

Showing 1-10 of 41 resultsSorted by cheapest first
1
2
3
...
5

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 $1,696). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,582). 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 $1,983 and $2,275 in October.
The cheapest return price found within the last 5 days was $1,387 on Multiple Airlines (31 Oct–7 Nov).

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 21 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 25h 35m. Delta provides one of the quickest options available for as low as $1,706. The distance between Colorado and Sydney is about 13234 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 Colorado Springs - Sydney Kingsford Smith or Aspen Pitkin County - 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 $1,696). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,582). 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
Lithgow
Cronulla
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$1,297Average$2,007FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.