Which stopover airport offers the lowest fares from Denver to Sydney?

Flights via Vancouver (YVR) offer the lowest average return price of $2,329.

Which airport is the most popular for stopovers for flights between Denver and Sydney?

Los Angeles (LAX) was the most common stop: 83% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport has the shortest connection time from Denver to Sydney?

Vancouver (YVR) has the shortest average stopover time for this route: 2h 03m.

Which stopover airport has the shortest travel time from Denver to Sydney?

Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 20h 30m.

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 September 2026, 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.

$693 Cheap Flights from Denver to Sydney in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:00 - 12:35DEN Denver Intl-SYD Sydney Kingsford Smith

34h 35m2 stops Los Angeles Nadi

14:00 - 18:10SYD Sydney Kingsford Smith-DEN Denver Intl

46h 10m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$1,433Multiple Airlines

Mon, 26 Oct - Mon, 9 Nov

13:10 - 12:35DEN Denver Intl-SYD Sydney Kingsford Smith

29h 25m2 stops Los Angeles Nadi

14:00 - 12:42SYD Sydney Kingsford Smith-DEN Denver Intl

40h 42m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$1,443Multiple Airlines

Mon, 2 Nov - Mon, 9 Nov

13:10 - 12:35DEN Denver Intl-SYD Sydney Kingsford Smith

29h 25m2 stops Los Angeles Nadi

14:00 - 09:40SYD Sydney Kingsford Smith-DEN Denver Intl

37h 40m3 stops Nadi Los Angeles San Francisco

$1,516Multiple Airlines

Sun, 1 Nov - Sat, 7 Nov

13:10 - 12:35DEN Denver Intl-SYD Sydney Kingsford Smith

30h 25m2 stops Los Angeles Nadi

14:00 - 18:03SYD Sydney Kingsford Smith-DEN Denver Intl

22h 03m2 stops Nadi Los Angeles

$1,535Multiple Airlines

Mon, 26 Oct - Mon, 9 Nov

09:10 - 09:00DEN Denver Intl-SYD Sydney Kingsford Smith

29h 50m1 stop Los Angeles

11:10 - 15:11SYD Sydney Kingsford Smith-DEN Denver Intl

22h 01m1 stop Los Angeles

$1,539Multiple Airlines

Tue, 3 Nov - Tue, 17 Nov

13:43 - 12:35DEN Denver Intl-SYD Sydney Kingsford Smith

29h 52m3 stops Salt Lake City Los Angeles Nadi

14:00 - 23:53SYD Sydney Kingsford Smith-DEN Denver Intl

27h 53m3 stops Nadi Los Angeles Phoenix Sky Harbor Intl

$1,556Multiple Airlines

Mon, 26 Oct - Mon, 9 Nov

09:10 - 09:00DEN Denver Intl-SYD Sydney Kingsford Smith

30h 50m1 stop Los Angeles

11:10 - 15:11SYD Sydney Kingsford Smith-DEN Denver Intl

22h 01m1 stop Los Angeles

$1,559Multiple Airlines

Tue, 27 Oct - Wed, 18 Nov

13:10 - 07:30DEN Denver Intl-SYD Sydney Kingsford Smith

25h 20m1 stop Los Angeles

11:10 - 15:11SYD Sydney Kingsford Smith-DEN Denver Intl

21h 01m1 stop Los Angeles

$1,581Multiple Airlines

Tue, 20 Oct - Tue, 27 Oct

18:46 - 09:00DEN Denver Intl-SYD Sydney Kingsford Smith

20h 14m1 stop Los Angeles

11:10 - 11:45SYD Sydney Kingsford Smith-DEN Denver Intl

18h 35m1 stop Los Angeles

$2,300Qantas Airways

Tue, 17 Nov - Tue, 1 Dec

12:49 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

24h 36m1 stop Los Angeles

10:10 - 12:19SYD Sydney Kingsford Smith-DEN Denver Intl

19h 09m1 stop Los Angeles

$2,315Qantas Airways

Wed, 17 Mar - Wed, 31 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:42 - 07:30DEN Denver Intl-SYD Sydney Kingsford Smith

26h 48m1 stop Los Angeles

18:50 - 09:30SYD Sydney Kingsford Smith-DEN Denver Intl

31h 40m1 stop Los Angeles

$1,802Multiple Airlines

Wed, 23 Sep - Tue, 13 Oct

12:42 - 07:30DEN Denver Intl-SYD Sydney Kingsford Smith

26h 48m1 stop Los Angeles

18:50 - 23:43SYD Sydney Kingsford Smith-DEN Denver Intl

21h 53m2 stops Los Angeles Las Vegas Harry Reid Intl

$1,865Multiple Airlines

Wed, 23 Sep - Tue, 13 Oct

09:05 - 07:30DEN Denver Intl-SYD Sydney Kingsford Smith

30h 25m1 stop Los Angeles

18:50 - 23:43SYD Sydney Kingsford Smith-DEN Denver Intl

21h 53m2 stops Los Angeles Las Vegas Harry Reid Intl

$1,927Multiple Airlines

Mon, 28 Sep - Wed, 21 Oct

12:25 - 06:50DEN Denver Intl-SYD Sydney Kingsford Smith

26h 25m1 stop Los Angeles

10:15 - 18:09SYD Sydney Kingsford Smith-DEN Denver Intl

24h 54m1 stop Los Angeles

$2,119Delta

Mon, 28 Sep - Wed, 21 Oct

19:55 - 06:50DEN Denver Intl-SYD Sydney Kingsford Smith

18h 55m1 stop Los Angeles

10:15 - 11:26SYD Sydney Kingsford Smith-DEN Denver Intl

18h 11m1 stop Los Angeles

$2,119Delta

Wed, 23 Sep - Tue, 13 Oct

13:00 - 06:50DEN Denver Intl-SYD Sydney Kingsford Smith

25h 50m2 stops Salt Lake City Los Angeles

10:15 - 22:40SYD Sydney Kingsford Smith-DEN Denver Intl

29h 25m2 stops Los Angeles Salt Lake City

$2,126Delta

Wed, 23 Sep - Tue, 13 Oct

10:45 - 06:50DEN Denver Intl-SYD Sydney Kingsford Smith

28h 05m2 stops Salt Lake City Los Angeles

10:15 - 19:34SYD Sydney Kingsford Smith-DEN Denver Intl

26h 19m2 stops Los Angeles Salt Lake City

$2,126Delta

Wed, 23 Sep - Tue, 13 Oct

13:00 - 06:50DEN Denver Intl-SYD Sydney Kingsford Smith

25h 50m2 stops Salt Lake City Los Angeles

10:15 - 16:56SYD Sydney Kingsford Smith-DEN Denver Intl

23h 41m2 stops Los Angeles Salt Lake City

$2,126Delta

Mon, 28 Sep - Wed, 21 Oct

11:06 - 07:05DEN Denver Intl-SYD Sydney Kingsford Smith

27h 59m1 stop Los Angeles

20:15 - 09:49SYD Sydney Kingsford Smith-DEN Denver Intl

30h 34m2 stops Honolulu Dallas/Fort Worth

$5,861Qantas Airways

Mon, 28 Sep - Sat, 10 Oct

11:06 - 07:05DEN Denver Intl-SYD Sydney Kingsford Smith

27h 59m1 stop Los Angeles

10:10 - 18:11SYD Sydney Kingsford Smith-DEN Denver Intl

25h 01m1 stop Los Angeles

$18,162Qantas Airways

Mon, 28 Sep - Sat, 10 Oct

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Air New Zealand flights from Denver to Sydney

Our best Air New Zealand deals on Denver to Sydney flight tickets

Air New Zealand

23 Feb

DEN05:00Denver Intl

33h 35m

2 stops

SYD08:35Sydney Kingsford Smith

16 Mar

SYD19:25Sydney Kingsford Smith

39h 25m

2 stops

DEN17:50Denver Intl

$1,624

Air New Zealand

30 Jan

DEN21:25Denver Intl

41h 10m

2 stops

SYD08:35Sydney Kingsford Smith

10 Feb

SYD07:30Sydney Kingsford Smith

28h 20m

2 stops

DEN17:50Denver Intl

$1,635

Air New Zealand

1 Feb

DEN15:45Denver Intl

22h 50m

2 stops

SYD08:35Sydney Kingsford Smith

17 Feb

SYD11:50Sydney Kingsford Smith

24h 00m

2 stops

DEN17:50Denver Intl

$1,664

Delta flights from Denver to Sydney

Our best Delta deals on Denver to Sydney flight tickets

Delta

29 Sept

DEN12:25Denver Intl

26h 25m

1 stop

SYD06:50Sydney Kingsford Smith

13 Oct

SYD10:15Sydney Kingsford Smith

18h 11m

1 stop

DEN11:26Denver Intl

$2,119

Delta

29 Sept

DEN12:25Denver Intl

26h 25m

1 stop

SYD06:50Sydney Kingsford Smith

14 Oct

SYD10:15Sydney Kingsford Smith

24h 54m

1 stop

DEN18:09Denver Intl

$2,120

Delta

23 Sept

DEN13:00Denver Intl

25h 50m

2 stops

SYD06:50Sydney Kingsford Smith

13 Oct

SYD10:15Sydney Kingsford Smith

29h 25m

2 stops

DEN22:40Denver Intl

$2,126

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 26/10

09:00-12:35

2 stops34h 35m

Sydney Kingsford Smith

Mon 9/11

14:00-18:10

3 stops46h 10m

$1,433

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 2/11

13:10-12:35

2 stops29h 25m

Sydney Kingsford Smith

Mon 9/11

14:00-12:42

3 stops40h 42m

$1,443

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sun 1/11

13:10-12:35

2 stops29h 25m

Sydney Kingsford Smith

Sat 7/11

14:00-09:40

3 stops37h 40m

$1,516

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 26/10

13:10-12:35

2 stops30h 25m

Sydney Kingsford Smith

Mon 9/11

14:00-18:03

2 stops22h 03m

$1,535

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 3/11

09:10-09:00

1 stop29h 50m

Sydney Kingsford Smith

Tue 17/11

11:10-15:11

1 stop22h 01m

$1,539

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 26/10

13:43-12:35

3 stops29h 52m

Sydney Kingsford Smith

Mon 9/11

14:00-23:53

3 stops27h 53m

$1,556

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 27/10

09:10-09:00

1 stop30h 50m

Sydney Kingsford Smith

Wed 18/11

11:10-15:11

1 stop22h 01m

$1,559

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 20/10

13:10-07:30

1 stop25h 20m

Sydney Kingsford Smith

Tue 27/10

11:10-15:11

1 stop21h 01m

$1,581

Fastest return journey

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 17/11

18:46-09:00

1 stop20h 14m

Sydney Kingsford Smith

Tue 1/12

11:10-11:45

1 stop18h 35m

$2,300

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 17/3

12:49-06:25

1 stop24h 36m

Sydney Kingsford Smith

Wed 31/3

10:10-12:19

1 stop19h 09m

$2,315

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

Prices

Stopovers

What is the typical price of a round-trip flight between Denver and Sydney?

Prices are currently low for flights on this route.

Typical prices usually range from $1,546 to $2,139.
The lowest price recently found on this route was $1,433.

What is the cheapest month to fly to Sydney?

The month of May is, on average, the cheapest month to fly to Sydney from Denver, with most prices found around $1,656. If you aren’t able to travel to Sydney during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,660.

How far in advance should I book a flight from Denver 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 $1,918 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 $1,489 on momondo.

How have Denver to Sydney flight prices changed over time?

As of September 2026, prices for Denver to Sydney flights are approximately 0% more expensive 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

Best price found	$693
Fastest flight time	18h 39m
Direct flights	None

The best one-way flight to Sydney from Denver in the past 72 hours is $693. The best return flight deal from Denver to Sydney found on momondo in the last 72 hours is $1,433.

The fastest flight from Denver to Sydney takes 18h 39m

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

Search flight deals

Frequently asked questions about flying from Denver to Sydney

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 18h 39m, 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 September 2026, 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 $1,267	Free cancellation	Rating 7.5 1,101 reviews		Search Qantas Airways flights

Parramatta

Terrigal

Wollongong

Katoomba

Penrith

Coogee

Lithgow

Manly

Cronulla

Randwick

Leura

Bondi Beach

Charlestown

Swansea

Newport

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.