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Cheap flights from Colorado to Sydney from $700

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 8/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Colorado to Sydney

Cheap return flights

Logo
15:53 - 09:35DEN-SYD
23h 42m1 stop
Logo
08:30 - 12:23SYD-DEN
21h 53m2 stops
$1,433
Find Deal
Wed, 19 Nov - Mon, 24 Nov
Air Canada Logo
19:05 - 18:05DEN-SYD
29h 00m2 stops
Air Canada Logo
11:20 - 18:04SYD-DEN
24h 44m2 stops
$1,448Air Canada
Find Deal
Mon, 12 Jan - Mon, 19 Jan
Logo
09:48 - 12:30DEN-SYD
32h 42m2 stops
Logo
14:30 - 19:21SYD-DEN
22h 51m2 stops
$1,451
Find Deal
Mon, 10 Nov - Sat, 15 Nov
Air Canada Logo
15:53 - 09:35DEN-SYD
23h 42m1 stop
Air Canada Logo
19:15 - 12:37SYD-DEN
35h 22m2 stops
$1,482Air Canada
Find Deal
Tue, 18 Nov - Tue, 9 Dec
Air New Zealand Logo
15:46 - 08:45DEN-SYD
23h 59m2 stops
Air New Zealand Logo
13:55 - 17:58SYD-DEN
22h 03m2 stops
$1,711Air New Zealand
Find Deal
Wed, 22 Oct - Wed, 5 Nov
Air New Zealand Logo
20:31 - 08:45DEN-SYD
44h 14m2 stops
Air New Zealand Logo
11:50 - 19:40SYD-DEN
23h 50m2 stops
$1,722Air New Zealand
Find Deal
Sat, 13 Sep - Tue, 23 Sep
Delta Logo
12:02 - 06:35ASE-SYD
26h 33m1 stop
Delta Logo
09:25 - 17:53SYD-ASE
24h 28m1 stop
$2,107Delta
Find Deal
Tue, 23 Sep - Tue, 30 Sep
United Airlines Logo
14:40 - 07:00ASE-SYD
24h 20m2 stops
United Airlines Logo
09:30 - 12:36SYD-ASE
19h 06m1 stop
$2,232United Airlines
Find Deal
Tue, 23 Sep - Tue, 30 Sep
United Airlines Logo
12:50 - 06:55COS-SYD
26h 05m2 stops
United Airlines Logo
09:30 - 14:36SYD-COS
21h 06m2 stops
$2,321United Airlines
Find Deal
Tue, 23 Sep - Tue, 30 Sep
Delta Logo
12:00 - 08:30ASE-SYD
26h 30m1 stop
Delta Logo
10:40 - 18:44SYD-ASE
26h 04m1 stop
$2,404Delta
Find Deal
Thu, 13 Nov - Mon, 17 Nov

Air Canada flights from Colorado to Sydney

Our best Air Canada deals on Colorado to Sydney flight tickets
Air Canada
12 Jan
DEN19:05Denver Intl
29h 00m
2 stops
SYD18:05Sydney Kingsford Smith
19 Jan
SYD11:20Sydney Kingsford Smith
24h 44m
2 stops
DEN18:04Denver Intl
$1,448
Find similar
Air Canada
18 Nov
DEN15:53Denver Intl
23h 42m
1 stop
SYD09:35Sydney Kingsford Smith
9 Dec
SYD19:15Sydney Kingsford Smith
35h 22m
2 stops
DEN12:37Denver Intl
$1,482
Find similar
Air Canada
16 Nov
DEN19:05Denver Intl
20h 30m
1 stop
SYD09:35Sydney Kingsford Smith
30 Nov
SYD19:15Sydney Kingsford Smith
39h 11m
2 stops
DEN16:26Denver Intl
$1,483
Find similar

Air New Zealand flights from Colorado to Sydney

Our best Air New Zealand deals on Colorado to Sydney flight tickets
Air New Zealand
22 Oct
DEN15:46Denver Intl
23h 59m
2 stops
SYD08:45Sydney Kingsford Smith
5 Nov
SYD13:55Sydney Kingsford Smith
22h 03m
2 stops
DEN17:58Denver Intl
$1,711
Find similar
Air New Zealand
13 Sept
DEN20:31Denver Intl
44h 14m
2 stops
SYD08:45Sydney Kingsford Smith
23 Sept
SYD11:50Sydney Kingsford Smith
23h 50m
2 stops
DEN19:40Denver Intl
$1,722
Find similar
Air New Zealand
30 Nov
DEN23:58Denver Intl
40h 32m
2 stops
SYD10:30Sydney Kingsford Smith
14 Dec
SYD09:55Sydney Kingsford Smith
26h 00m
2 stops
DEN17:55Denver Intl
$1,748
Find similar

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 11 August 2025.
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

Wed 19/11

15:53-09:35

1 stop23h 42m

Sydney Kingsford Smith

Mon 24/11

08:30-12:23

2 stops21h 53m

$1,433

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 12/1

19:05-18:05

2 stops29h 00m

Sydney Kingsford Smith

Mon 19/1

11:20-18:04

2 stops24h 44m

$1,448

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 10/11

09:48-12:30

2 stops32h 42m

Sydney Kingsford Smith

Sat 15/11

14:30-19:21

2 stops22h 51m

$1,451

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 18/11

15:53-09:35

1 stop23h 42m

Sydney Kingsford Smith

Tue 9/12

19:15-12:37

2 stops35h 22m

$1,482

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 22/10

15:46-08:45

2 stops23h 59m

Sydney Kingsford Smith

Wed 5/11

13:55-17:58

2 stops22h 03m

$1,711

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 13/9

20:31-08:45

2 stops44h 14m

Sydney Kingsford Smith

Tue 23/9

11:50-19:40

2 stops23h 50m

$1,722

AspenSydney

ASE - SYD

ASESYD

Aspen Pitkin County

Tue 23/9

12:02-06:35

1 stop26h 33m

Sydney Kingsford Smith

Tue 30/9

09:25-17:53

1 stop24h 28m

$2,107

AspenSydney

ASE - SYD

ASESYD

Aspen Pitkin County

Tue 23/9

14:40-07:00

2 stops24h 20m

Sydney Kingsford Smith

Tue 30/9

09:30-12:36

1 stop19h 06m

$2,232

Colorado SpringsSydney

COS - SYD

COSSYD

Colorado Springs

Tue 23/9

12:50-06:55

2 stops26h 05m

Sydney Kingsford Smith

Tue 30/9

09:30-14:36

2 stops21h 06m

$2,321

AspenSydney

ASE - SYD

ASESYD

Aspen Pitkin County

Thu 13/11

12:00-08:30

1 stop26h 30m

Sydney Kingsford Smith

Mon 17/11

10:40-18:44

1 stop26h 04m

$2,404

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $1,334. If you aren’t able to travel to Sydney during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,347.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,744. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $2,369.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at midday. momondo users have found flights departing from Colorado to Sydney at midday for as low as $1,436. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,140 on average. Flights to Sydney from Colorado in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $1,647 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 $1,393 on momondo.

Can stopping save me money on Colorado to Sydney flights?

You could potentially save up to 25% on your flight if you consider stops on a Colorado to Sydney flight.

Cheap Colorado to Sydney flight deals and tips

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

Best price found

$700

Fastest flight time

20h 05m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Colorado in the past 72 hours is $700. The best return flight deal from Colorado to Sydney found on momondo in the last 72 hours is $1,433.
The fastest flight from Colorado to Sydney takes 20h 05m
There are no direct flights from Colorado to Sydney. Popular non-direct route for this connection is Denver Intl Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
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
American AirlinesPriceFrom $306Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $474Free cancellationRating
7.4
8,920 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,260Free cancellationRating
7.5
893 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
Katoomba
Lithgow
Penrith
Leura
Manly
Bondi Beach
Coogee
Randwick
Cronulla
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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