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

Prices for flights from Denver Intl Airport to Sydney Kingsford Smith Airport refresh daily.

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

As of December 2025, there is 1 operator available to choose from for flights from Denver Intl Airport to Sydney Kingsford Smith Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Sydney Kingsford Smith Airport.

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

The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$741 Cheap Flights from Denver to Sydney in 2025/26

1 adult

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Find the cheapest flights from Denver to Sydney

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

11:00 - 22:05

DEN

SYD

41h 05m2 stops

14:00 - 23:31

SYD

DEN

27h 31m2 stops

$1,260Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

19:05 - 09:35

DEN

SYD

20h 30m1 stop

11:20 - 18:05

SYD

DEN

24h 45m2 stops

$1,438Air Canada

Tue, 3 Feb - Wed, 25 Feb

11:19 - 07:20

DEN

SYD

28h 01m2 stops

07:00 - 12:33

SYD

DEN

21h 33m2 stops

$1,460Air Canada

Tue, 14 Apr - Tue, 21 Apr

19:05 - 09:35

DEN

SYD

20h 30m1 stop

11:20 - 10:23

SYD

DEN

41h 03m2 stops

$1,463Air Canada

Sun, 1 Feb - Sun, 15 Feb

19:05 - 14:40

DEN

SYD

25h 35m2 stops

11:20 - 16:30

SYD

DEN

23h 10m1 stop

$1,468Air Canada

Tue, 20 Jan - Tue, 27 Jan

11:59 - 07:20

DEN

SYD

27h 21m1 stop

19:00 - 16:34

SYD

DEN

37h 34m2 stops

$1,475Multiple Airlines

Sun, 5 Apr - Sat, 18 Apr

19:05 - 09:35

DEN

SYD

20h 30m1 stop

11:20 - 17:44

SYD

DEN

24h 24m1 stop

$1,487Air Canada

Sun, 1 Feb - Sun, 15 Feb

19:05 - 14:40

DEN

SYD

25h 35m2 stops

08:00 - 11:37

SYD

DEN

21h 37m2 stops

$1,490Air Canada

Sun, 1 Mar - Sun, 8 Mar

19:05 - 11:40

DEN

SYD

24h 35m2 stops

19:00 - 12:33

SYD

DEN

33h 33m2 stops

$1,499Multiple Airlines

Sun, 5 Apr - Sat, 18 Apr

11:42 - 09:35

DEN

SYD

27h 53m2 stops

11:20 - 18:05

SYD

DEN

24h 45m2 stops

$1,502Air Canada

Mon, 9 Feb - Sat, 28 Feb

Air Canada flights from Denver to Sydney

Our best Air Canada deals on Denver to Sydney flight tickets

Air Canada

3 Feb

DEN19:05Denver Intl

20h 30m

1 stop

SYD09:35Sydney Kingsford Smith

25 Feb

SYD11:20Sydney Kingsford Smith

24h 45m

2 stops

DEN18:05Denver Intl

$1,438

Find similar

Air Canada

14 Apr

DEN11:19Denver Intl

28h 01m

2 stops

SYD07:20Sydney Kingsford Smith

21 Apr

SYD07:00Sydney Kingsford Smith

21h 33m

2 stops

DEN12:33Denver Intl

$1,460

Find similar

Air Canada

1 Feb

DEN19:05Denver Intl

20h 30m

1 stop

SYD09:35Sydney Kingsford Smith

15 Feb

SYD11:20Sydney Kingsford Smith

41h 03m

2 stops

DEN10:23Denver Intl

$1,463

Find similar

Qantas Airways flights from Denver to Sydney

Our best Qantas Airways deals on Denver to Sydney flight tickets

Qantas Airways

15 Feb

DEN20:04Denver Intl

18h 56m

1 stop

SYD09:00Sydney Kingsford Smith

4 Mar

SYD11:20Sydney Kingsford Smith

26h 13m

1 stop

DEN19:33Denver Intl

$1,654

Find similar

Qantas Airways

22 Dec

DEN20:12Denver Intl

41h 13m

1 stop

SYD07:25Sydney Kingsford Smith

9 Jan

SYD22:00Sydney Kingsford Smith

38h 53m

2 stops

DEN18:53Denver Intl

$3,188

Find similar

Qantas Airways

22 Dec

DEN20:12Denver Intl

41h 13m

1 stop

SYD07:25Sydney Kingsford Smith

9 Jan

SYD07:05Sydney Kingsford Smith

29h 48m

2 stops

DEN18:53Denver Intl

$3,375

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 29/1

11:00-22:05

2 stops41h 05m

Sydney Kingsford Smith

Thu 5/2

14:00-23:31

2 stops27h 31m

$1,260

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 3/2

19:05-09:35

1 stop20h 30m

Sydney Kingsford Smith

Wed 25/2

11:20-18:05

2 stops24h 45m

$1,438

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 14/4

11:19-07:20

2 stops28h 01m

Sydney Kingsford Smith

Tue 21/4

07:00-12:33

2 stops21h 33m

$1,460

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 1/2

19:05-09:35

1 stop20h 30m

Sydney Kingsford Smith

Sun 15/2

11:20-10:23

2 stops41h 03m

$1,463

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 20/1

19:05-14:40

2 stops25h 35m

Sydney Kingsford Smith

Tue 27/1

11:20-16:30

1 stop23h 10m

$1,468

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 5/4

11:59-07:20

1 stop27h 21m

Sydney Kingsford Smith

Sat 18/4

19:00-16:34

2 stops37h 34m

$1,475

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 1/2

19:05-09:35

1 stop20h 30m

Sydney Kingsford Smith

Sun 15/2

11:20-17:44

1 stop24h 24m

$1,487

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 1/3

19:05-14:40

2 stops25h 35m

Sydney Kingsford Smith

Sun 8/3

08:00-11:37

2 stops21h 37m

$1,490

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 5/4

19:05-11:40

2 stops24h 35m

Sydney Kingsford Smith

Sat 18/4

19:00-12:33

2 stops33h 33m

$1,499

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 9/2

11:42-09:35

2 stops27h 53m

Sydney Kingsford Smith

Sat 28/2

11:20-18:05

2 stops24h 45m

$1,502

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 Denver 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 Denver, with most prices found around $1,302. 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 $1,303.

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 $1,715. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $2,330.

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 Denver to Sydney at midday for as low as $1,413. 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 $2,105 on average. Flights to Sydney from Denver 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 Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,620 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 Denver for as low as $1,492 on momondo.

Can stopping save me money on Denver to Sydney flights?

You could potentially save up to 33% on your flight if you consider stops on a Denver to Sydney flight.

How have Denver to Sydney flight prices changed over time?

As of December 2025, prices for Denver to Sydney flights are approximately 49% cheaper when compared to flights at the same time last year.

When to book flights from Denver to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Denver to Sydney (DEN to SYD) flight deals and tips

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

Fastest flight time	23h 22m
Direct flights	None

The fastest flight from Denver to Sydney takes 23h 22m

There are no direct flights from Denver to Sydney. There are no popular flight routes from Denver to Sydney.

Search flight deals

How far is Denver Intl to Sydney Kingsford Smith by plane?
There are 13398.4 km between Denver Intl and Sydney Kingsford Smith. Flights usually cover this in 23h 22m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Denver Intl Airport to Sydney Kingsford Smith Airport?
Prices for flights from Denver Intl Airport to Sydney Kingsford Smith Airport refresh daily.
How many operators does momondo search for flights from Denver Intl Airport to Sydney Kingsford Smith Airport?
As of December 2025, there is 1 operator available to choose from for flights from Denver Intl Airport to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Denver Intl Airport to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Denver to Sydney?
momondo data reveals that the most frequently booked airline on the route from Denver to Sydney is Qantas Airways, representing 100% of all bookings.

Best airlines flying from Denver to Sydney

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

Airline	Rating	Free cancellation	Price
Qantas Airways	PriceFrom $997	Free cancellation	Rating 7.5 946 reviews		Search Qantas Airways flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Leura

Manly

Bondi Beach

Coogee

Cronulla

Randwick

Charlestown

Newport

Swansea

Why use momondo?

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

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 Denver to Sydney for you.

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

momondo does allow users to show only those flights to Sydney from Denver which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Denver to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Sydney from Denver are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.