What is the cheapest airline that flies from Sydney Kingsford Smith to Colorado?

Delta, Air Canada, and American Airlines are the most popular carriers operating from Sydney Kingsford Smith to Colorado

Which airlines fly to Colorado?

Qantas Airways, United Airlines and Air Canada are the top three most popular airlines that fly to Colorado from Sydney according to our data. Qantas Airways is the first choice among our users, with 56% of people opting to fly with this airline when travelling to Colorado. Keep in mind that there are 7 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

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

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

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

The number of operators available for flights from Sydney Kingsford Smith Airport to Colorado is 7 as of August 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$691 Cheap Flights from Sydney to Colorado in 2025

1 adult

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Find the cheapest flights from Sydney to Colorado

Round-trip

One-way

Last minute

Cheap return flights

09:25 - 17:53SYD-ASE

24h 28m1 stop

12:02 - 06:35ASE-SYD

26h 33m1 stop

$1,279Delta

Find Deal

Mon, 22 Sep - Mon, 29 Sep

10:30 - 14:59SYD-DEN

21h 29m2 stops

17:55 - 08:00DEN-SYD

21h 05m1 stop

$1,429United Airlines

Find Deal

Wed, 15 Oct - Wed, 15 Oct

09:30 - 14:53SYD-DEN

21h 23m2 stops

17:59 - 06:55DEN-SYD

20h 56m1 stop

$1,433United Airlines

Find Deal

Wed, 17 Sep - Wed, 17 Sep

10:20 - 16:45SYD-DEN

23h 25m2 stops

19:05 - 12:40DEN-SYD

24h 35m2 stops

$1,501Air Canada

Find Deal

Tue, 28 Oct - Sat, 1 Nov

10:20 - 12:38SYD-DEN

19h 18m1 stop

15:55 - 08:20DEN-SYD

23h 25m2 stops

$1,549Air Canada

Find Deal

Wed, 15 Oct - Wed, 22 Oct

09:10 - 16:47SYD-DEN

23h 37m2 stops

18:52 - 07:05DEN-SYD

20h 13m2 stops

$1,635American Airlines

Find Deal

Sun, 7 Sep - Sun, 14 Sep

09:10 - 17:30SYD-DEN

24h 20m1 stop

11:40 - 07:05DEN-SYD

27h 25m1 stop

$1,642American Airlines

Find Deal

Mon, 22 Sep - Mon, 29 Sep

09:55 - 22:18SYD-DEN

28h 23m2 stops

19:20 - 08:45DEN-SYD

21h 25m2 stops

$1,661Air New Zealand

Find Deal

Tue, 2 Sep - Tue, 16 Sep

11:50 - 18:19SYD-DEN

23h 29m2 stops

06:00 - 08:45DEN-SYD

33h 45m2 stops

$1,670Air New Zealand

Find Deal

Wed, 15 Oct - Thu, 23 Oct

14:20 - 19:30SYD-ASE

23h 10m1 stop

12:21 - 06:55ASE-SYD

24h 34m1 stop

$3,008Qantas Airways

Find Deal

Sat, 29 Nov - Sun, 14 Dec

United Airlines flights from Sydney to Colorado

Our best United Airlines deals on Sydney to Colorado flight tickets

United Airlines

15 Oct

SYD10:30Sydney Kingsford Smith

21h 29m

2 stops

DEN14:59Denver Intl

15 Oct

DEN17:55Denver Intl

21h 05m

1 stop

SYD08:00Sydney Kingsford Smith

$1,429

Find similar

United Airlines

17 Sept

SYD09:30Sydney Kingsford Smith

21h 23m

2 stops

DEN14:53Denver Intl

17 Sept

DEN17:59Denver Intl

20h 56m

1 stop

SYD06:55Sydney Kingsford Smith

$1,433

Find similar

United Airlines

28 Nov

SYD11:20Sydney Kingsford Smith

19h 16m

1 stop

ASE12:36Aspen Pitkin County

17 Dec

ASE14:42Aspen Pitkin County

24h 23m

1 stop

SYD09:05Sydney Kingsford Smith

$2,045

Find similar

Air Canada flights from Sydney to Colorado

Our best Air Canada deals on Sydney to Colorado flight tickets

Air Canada

28 Oct

SYD10:20Sydney Kingsford Smith

23h 25m

2 stops

DEN16:45Denver Intl

1 Nov

DEN19:05Denver Intl

24h 35m

2 stops

SYD12:40Sydney Kingsford Smith

$1,501

Find similar

Air Canada

15 Oct

SYD10:20Sydney Kingsford Smith

19h 18m

1 stop

DEN12:38Denver Intl

22 Oct

DEN15:55Denver Intl

23h 25m

2 stops

SYD08:20Sydney Kingsford Smith

$1,549

Find similar

Air Canada

15 Oct

SYD10:20Sydney Kingsford Smith

19h 18m

1 stop

DEN12:38Denver Intl

23 Oct

DEN08:40Denver Intl

30h 40m

1 stop

SYD08:20Sydney Kingsford Smith

$1,645

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Mon 22/9

09:25-17:53

1 stop24h 28m

Aspen Pitkin County

Mon 29/9

12:02-06:35

1 stop26h 33m

$1,279

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 15/10

10:30-14:59

2 stops21h 29m

Denver Intl

Wed 15/10

17:55-08:00

1 stop21h 05m

$1,429

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 17/9

09:30-14:53

2 stops21h 23m

Denver Intl

Wed 17/9

17:59-06:55

1 stop20h 56m

$1,433

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 28/10

10:20-16:45

2 stops23h 25m

Denver Intl

Sat 1/11

19:05-12:40

2 stops24h 35m

$1,501

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 15/10

10:20-12:38

1 stop19h 18m

Denver Intl

Wed 22/10

15:55-08:20

2 stops23h 25m

$1,549

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 7/9

09:10-16:47

2 stops23h 37m

Denver Intl

Sun 14/9

18:52-07:05

2 stops20h 13m

$1,635

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 22/9

09:10-17:30

1 stop24h 20m

Denver Intl

Mon 29/9

11:40-07:05

1 stop27h 25m

$1,642

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 2/9

09:55-22:18

2 stops28h 23m

Denver Intl

Tue 16/9

19:20-08:45

2 stops21h 25m

$1,661

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 15/10

11:50-18:19

2 stops23h 29m

Denver Intl

Thu 23/10

06:00-08:45

2 stops33h 45m

$1,670

SydneyAspen

SYD - ASE

SYDASE

Sydney Kingsford Smith

Sat 29/11

14:20-19:30

1 stop23h 10m

Aspen Pitkin County

Sun 14/12

12:21-06:55

1 stop24h 34m

$3,008

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Sydney to Colorado

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

Prices

Airlines

What is the cheapest month to fly to Colorado?

If you aren’t able to travel to Colorado during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,181.

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

The cheapest day to depart from Sydney to Colorado is on a Monday when prices can be found for as low as $1,815. The most expensive day to fly to Colorado is Friday, with ticket prices averaging around $2,416.

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

The cheapest time of day to fly to Colorado is at midday when flights can be purchased for as low as $1,713. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $2,037 on average. Flights to Colorado from Sydney in the morning 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 Colorado?

You are more likely to see cheaper flights to Colorado from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $1,657 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Sydney for as low as $1,310 on momondo.

Can stopping save me money on Sydney to Colorado flights?

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

Cheap Sydney to Colorado flight deals and tips

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

Best price found	$691
Fastest flight time	17h 58m
Direct flights	None
Airports in Colorado	3 airports

The best one-way flight to Colorado from Sydney in the past 72 hours is $691. The best return flight deal from Sydney to Colorado found on momondo in the last 72 hours is $1,279.

The fastest flight from Sydney to Colorado takes 17h 58m

There are no direct flights from Sydney to Colorado. Popular non-direct routes for this connection are Sydney Kingsford Smith Airport - Denver Intl Airport, Sydney Kingsford Smith Airport - Colorado Springs Airport and Sydney Kingsford Smith Airport - Aspen Pitkin County Airport.

There are 3 airports near Colorado: Aspen Pitkin County (ASE), Colorado Springs (COS), Denver Intl (DEN)

Search flight deals

When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Colorado?
Prices for flights from Sydney Kingsford Smith Airport to Colorado were last updated today.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Colorado?
The number of operators available for flights from Sydney Kingsford Smith Airport to Colorado is 7 as of August 2025.
How old do you have to be to fly from Sydney Kingsford Smith Airport to Colorado?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Sydney to Colorado

Compare and see reviews for airlines that fly from Sydney to Colorado with momondo

Airline	Rating	Free cancellation	Price
Qantas Airways	PriceFrom $1,043	Free cancellation	Rating 7.5 893 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $1,316	Free cancellation	Rating 7.1 9,915 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,327	Free cancellation	Rating 8.0 503 reviews	Search Air New Zealand flights
Delta	PriceFrom $1,436	Free cancellation	Rating 8.0 7,979 reviews	Search Delta flights
United Airlines	PriceFrom $1,461	Free cancellation	Rating 7.4 8,920 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,718	Free cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Virgin Australia	PriceFrom $2,004	Free cancellation	Rating 7.5 411 reviews	Search Virgin Australia flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to Colorado for you.

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

All flight searches from Sydney to Colorado on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Sydney to Colorado flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Colorado, momondo offers a useful price alert feature which will track prices for flights to Colorado from Sydney and alert you when they change.

An easier way to manage your Colorado trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Find better results for your trip to Colorado

Popular Cities in Colorado

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Cheap flights from Sydney to Colorado from $691

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Colorado departing on 15/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from Sydney to Colorado

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

United Airlines flights from Sydney to Colorado

Our best United Airlines deals on Sydney to Colorado flight tickets

Air Canada flights from Sydney to Colorado

Our best Air Canada deals on Sydney to Colorado flight tickets

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

See travel insights to Colorado from

How to get the cheapest flight ticket from Sydney to Colorado

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 Colorado?

If you aren’t able to travel to Colorado during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,181.

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

The cheapest day to depart from Sydney to Colorado is on a Monday when prices can be found for as low as $1,815. The most expensive day to fly to Colorado is Friday, with ticket prices averaging around $2,416.

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

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

Can stopping save me money on Sydney to Colorado flights?

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

What is the cheapest airline that flies from Sydney Kingsford Smith to Colorado?

Delta, Air Canada, and American Airlines are the most popular carriers operating from Sydney Kingsford Smith to Colorado

Which airlines fly to Colorado?

Cheap Sydney to Colorado flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Colorado

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

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

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

What documentation or ID do you need to fly to Colorado?

Best airlines flying from Sydney to Colorado

Compare and see reviews for airlines that fly from Sydney to Colorado with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Colorado trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

Popular Cities in Colorado

Popular flights according to clicks in the last 7 days on momondo