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Cheap flights from Colorado to Sydney from $658

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Sydney departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
13:35 - 07:30
DEN
-
SYD
25h 55m
1 stop
Multiple Airlines Logo
13:10 - 19:49
SYD
-
DEN
22h 39m
2 stops
$1,188Multiple Airlines
Tue, 21 Apr - Wed, 29 Apr
Multiple Airlines Logo
13:35 - 07:30
DEN
-
SYD
25h 55m
1 stop
Multiple Airlines Logo
13:15 - 10:47
SYD
-
DEN
37h 32m
2 stops
$1,213Multiple Airlines
Tue, 14 Apr - Tue, 21 Apr
Multiple Airlines Logo
22:29 - 07:25
DEN
-
SYD
39h 56m
1 stop
Multiple Airlines Logo
14:00 - 00:30
SYD
-
DEN
27h 30m
2 stops
$1,236Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
Multiple Airlines Logo
21:31 - 07:25
DEN
-
SYD
39h 54m
1 stop
Multiple Airlines Logo
14:00 - 00:30
SYD
-
DEN
27h 30m
2 stops
$1,245Multiple Airlines
Wed, 4 Mar - Wed, 18 Mar
Multiple Airlines Logo
21:31 - 07:25
DEN
-
SYD
39h 54m
1 stop
Multiple Airlines Logo
14:00 - 00:30
SYD
-
DEN
27h 30m
2 stops
$1,251Multiple Airlines
Wed, 4 Mar - Wed, 11 Mar
American Airlines Logo
16:48 - 09:00
COS
-
SYD
23h 12m
2 stops
American Airlines Logo
21:25 - 09:50
SYD
-
COS
29h 25m
2 stops
$1,761American Airlines
Sun, 22 Mar - Sun, 29 Mar
American Airlines Logo
16:48 - 06:55
COS
-
SYD
21h 07m
1 stop
American Airlines Logo
21:25 - 09:50
SYD
-
COS
29h 25m
2 stops
$1,762American Airlines
Sun, 22 Mar - Sun, 29 Mar
Qantas Airways Logo
16:48 - 06:55
COS
-
SYD
21h 07m
1 stop
Qantas Airways Logo
13:00 - 15:58
SYD
-
COS
19h 58m
1 stop
$3,318Qantas Airways
Sun, 22 Mar - Sun, 29 Mar
Emirates Logo
12:20 - 07:00
COS
-
SYD
49h 40m
2 stops
Emirates Logo
21:45 - 21:50
SYD
-
COS
41h 05m
2 stops
$13,931Emirates
Sat, 21 Mar - Sat, 28 Mar
Qantas Airways Logo
17:09 - 06:55
COS
-
SYD
21h 46m
1 stop
Qantas Airways Logo
12:00 - 19:48
SYD
-
COS
23h 48m
1 stop
$33,176Qantas Airways
Sat, 25 Apr - Fri, 1 May

Air Canada flights from Colorado to Sydney

Our best Air Canada deals on Colorado to Sydney flight tickets
Air Canada
20 Feb
DEN08:05Denver Intl
31h 30m
1 stop
SYD09:35Sydney Kingsford Smith
18 Mar
SYD10:20Sydney Kingsford Smith
24h 24m
1 stop
DEN17:44Denver Intl
$1,738
Air Canada
13 Feb
DEN08:05Denver Intl
31h 30m
1 stop
SYD09:35Sydney Kingsford Smith
20 Feb
SYD11:20Sydney Kingsford Smith
41h 03m
2 stops
DEN10:23Denver Intl
$1,967
Air Canada
20 Feb
DEN17:30Denver Intl
46h 05m
2 stops
SYD09:35Sydney Kingsford Smith
18 Mar
SYD10:20Sydney Kingsford Smith
41h 03m
2 stops
DEN10:23Denver Intl
$2,036

Qantas Airways flights from Colorado to Sydney

Our best Qantas Airways deals on Colorado to Sydney flight tickets
Qantas Airways
13 Feb
DEN20:04Denver Intl
18h 56m
1 stop
SYD09:00Sydney Kingsford Smith
20 Feb
SYD11:20Sydney Kingsford Smith
19h 09m
1 stop
DEN12:29Denver Intl
$1,897
Qantas Airways
15 Feb
DEN12:59Denver Intl
26h 01m
1 stop
SYD09:00Sydney Kingsford Smith
9 Mar
SYD11:20Sydney Kingsford Smith
25h 14m
1 stop
DEN19:34Denver Intl
$1,931
Qantas Airways
15 Feb
DEN12:59Denver Intl
26h 51m
2 stops
SYD09:50Sydney Kingsford Smith
9 Mar
SYD11:20Sydney Kingsford Smith
18h 09m
1 stop
DEN12:29Denver Intl
$1,934

momondo 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, momondo users made 78,305 searches. Data last updated 7 February 2026.
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

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 21/4

13:35-07:30

1 stop25h 55m

Sydney Kingsford Smith

Wed 29/4

13:10-19:49

2 stops22h 39m

$1,188

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 14/4

13:35-07:30

1 stop25h 55m

Sydney Kingsford Smith

Tue 21/4

13:15-10:47

2 stops37h 32m

$1,213

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 11/3

22:29-07:25

1 stop39h 56m

Sydney Kingsford Smith

Wed 18/3

14:00-00:30

2 stops27h 30m

$1,236

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 4/3

21:31-07:25

1 stop39h 54m

Sydney Kingsford Smith

Wed 18/3

14:00-00:30

2 stops27h 30m

$1,245

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 4/3

21:31-07:25

1 stop39h 54m

Sydney Kingsford Smith

Wed 11/3

14:00-00:30

2 stops27h 30m

$1,251

Colorado SpringsSydney

COS - SYD

COSSYD

Colorado Springs

Sun 22/3

16:48-09:00

2 stops23h 12m

Sydney Kingsford Smith

Sun 29/3

21:25-09:50

2 stops29h 25m

$1,761

Colorado SpringsSydney

COS - SYD

COSSYD

Colorado Springs

Sun 22/3

16:48-06:55

1 stop21h 07m

Sydney Kingsford Smith

Sun 29/3

21:25-09:50

2 stops29h 25m

$1,762

Colorado SpringsSydney

COS - SYD

COSSYD

Colorado Springs

Sun 22/3

16:48-06:55

1 stop21h 07m

Sydney Kingsford Smith

Sun 29/3

13:00-15:58

1 stop19h 58m

$3,318

Colorado SpringsSydney

COS - SYD

COSSYD

Colorado Springs

Sat 21/3

12:20-07:00

2 stops49h 40m

Sydney Kingsford Smith

Sat 28/3

21:45-21:50

2 stops41h 05m

$13,931

Colorado SpringsSydney

COS - SYD

COSSYD

Colorado Springs

Sat 25/4

17:09-06:55

1 stop21h 46m

Sydney Kingsford Smith

Fri 1/5

12:00-19:48

1 stop23h 48m

$33,176

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Colorado to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sydney?

The month of April is, on average, the cheapest month to fly to Sydney from Colorado, with most prices found around $1,241. If you aren’t able to travel to Sydney during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,296.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,631 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Colorado for as low as $1,438 on momondo.

Cheap Colorado to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Sydney

Fastest flight time

23h 08m

Direct flights

None
The fastest flight from Colorado to Sydney takes 23h 08m
There are no direct flights from Colorado to Sydney. There are no popular flight routes from Colorado to Sydney.
Search flight deals

  • When did momondo last update prices for flights from Colorado to Sydney Kingsford Smith Airport?

    Prices for flights from Colorado to Sydney Kingsford Smith Airport were last updated today.

  • How many operators does momondo search for flights from Colorado to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Colorado to Sydney Kingsford Smith Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Colorado to Sydney

Compare and see reviews for airlines that fly from Colorado to Sydney with momondo
Airline
Rating
Free cancellation
Price
Qantas AirwaysPriceFrom $1,254Free cancellationRating
7.5
987 reviews
Search Qantas Airways flights

Travelling to a place near Sydney?

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

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Sydney?

It is quick and easy to find Colorado to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

Can I find flights from Colorado to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Colorado with this policy.

How can momondo help me find flights from Colorado to Sydney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Colorado.

I’m not ready to book a flight from Colorado to Sydney right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Colorado to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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