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Cheap flights from Colorado to Sydney from $696

DEN — SYD
21 Oct — 28 Oct1
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 26/1009:00 -
2 stops34h 35m
Mon 9/1114:00 -
3 stops46h 10m
Deal found 19/9$1,432
Mon 2/1113:10 -
2 stops29h 25m
Mon 9/1114:00 -
3 stops40h 42m
Deal found 18/9$1,442
Sun 1/1113:10 -
2 stops29h 25m
Sat 7/1114:00 -
3 stops37h 40m
Deal found 21/9$1,515
Tue 3/1109:10 -
1 stop29h 50m
Tue 17/1111:10 -
1 stop22h 01m
Deal found 21/9$1,539
Tue 27/1009:10 -
1 stop30h 50m
Wed 18/1111:10 -
1 stop22h 01m
Deal found 19/9$1,559
Tue 20/1013:10 -
1 stop25h 20m
Tue 27/1011:10 -
1 stop21h 01m
Deal found 20/9$1,581
Mon 26/1016:05 -
2 stops25h 30m
Wed 11/1109:55 -
2 stops26h 05m
Deal found 17/9$1,597
Tue 3/1109:10 -
1 stop27h 15m
Tue 10/1111:10 -
1 stop24h 25m
Deal found 19/9$1,601
Sat 21/1121:18 -
2 stops41h 17m
Mon 7/1211:50 -
2 stops22h 20m
Deal found 16/9$1,609
Tue 17/1117:05 -
2 stops22h 15m
Wed 16/1209:15 -
2 stops23h 19m
Deal found 18/9$1,823
Tue 17/1113:20 -
2 stops25h 45m
Tue 15/1213:20 -
2 stops21h 04m
Deal found 17/9$1,825
Mon 2/1117:05 -
2 stops22h 15m
Mon 9/1109:15 -
1 stop20h 04m
Deal found 18/9$1,837

Find flight deals from Colorado to Sydney

Round-trip from

$1,432

One-way from

$696

Popular in

December

Cheapest in

May

Average price

$1,663
26/10-9/11
  • 26/10-9/11
  • 5 total stops
  • 80h 45m total
  • Colorado to Sydney
Search Deals
20/10-31/12
  • 20/10-31/12
  • 1 total stop
  • 39h 35m total
  • Colorado to Sydney
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($476 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($78 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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

Tue 10/11

13:10-06:25

1 stop23h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$714

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 29/1

22:42-06:25

2 stops37h 43m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$803

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 1/3

15:45-20:15

3 stops58h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$822

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 30/11

22:29-06:25

1 stop37h 56m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$846

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 2/2

07:00-06:25

2 stops29h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,048

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Sat 21/11

18:25-09:05

2 stops44h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,092

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 16/10

13:43-09:00

3 stops50h 17m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,092

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 26/12

06:25-06:25

1 stop30h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,096

Colorado SpringsSydney

COS Colorado Springs - SYD Sydney Kingsford Smith

COSSYD

Colorado Springs

Wed 4/11

17:17-08:35

3 stops45h 18m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,159
Fastest return journey

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 1/12

19:00-09:35

1 stop20h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-07:00

Nonstop0h 00m

$1,160

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 33 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, May is the cheapest month in which you can book a flight from Colorado to Sydney (average of $1,656). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,521). 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 $1,546 and $2,138 in October.
The cheapest return price found within the last 5 days was $1,432 on Multiple Airlines (26 Oct–9 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 13 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 38m. United Airlines provides one of the quickest options available for as low as $2,189. 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 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, May is the cheapest month in which you can book a flight from Colorado to Sydney (average of $1,656). Flying from Colorado to Sydney in December is currently the most expensive (average of $2,521). 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$1,266Average$1,960FlexibilityNo 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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