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

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 19h 34m.

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

Flights via San Francisco (SFO) offer the lowest average round-trip price of $1,804.

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

San Francisco (SFO) has the shortest average layover time for this route: 1h 33m.

What airlines fly to Sydney?

Qantas Airways, Air Canada and United Airlines are the top three most popular airlines that fly to Sydney from Denver according to our data. Qantas Airways is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 7 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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

Los Angeles (LAX) was the most common stop: 89% of momondo users choosing 1-stop flights on this route connected there.

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

Turkish Airlines is the most popular carrier operating from Denver Intl to Sydney Kingsford Smith

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 are updated daily.

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

As of November 2026, there are 7 operators 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?

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 Denver Intl Airport 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 license 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.

$498 Cheap Flights from Denver to Sydney in 2026/27

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10:29 pm - 6:25 amDEN Denver Intl-SYD Sydney Kingsford Smith

37h 56m1 stop Los Angeles

2:00 pm - 8:19 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 19m2 stops Nadi Los Angeles

$969Multiple Airlines

Wed, Feb 3 - Thu, Feb 18

10:29 pm - 6:25 amDEN Denver Intl-SYD Sydney Kingsford Smith

37h 56m1 stop Los Angeles

2:55 pm - 9:31 amSYD Sydney Kingsford Smith-DEN Denver Intl

36h 36m2 stops Nadi Los Angeles

$969Multiple Airlines

Wed, Feb 3 - Sun, Feb 21

9:25 pm - 10:40 amDEN Denver Intl-SYD Sydney Kingsford Smith

45h 15m2 stops Los Angeles Auckland Intl

9:55 am - 7:30 pmSYD Sydney Kingsford Smith-DEN Denver Intl

25h 35m2 stops Auckland Intl Los Angeles

$1,194Air New Zealand

Mon, Apr 12 - Mon, May 3

7:58 am - 8:45 amDEN Denver Intl-SYD Sydney Kingsford Smith

32h 47m2 stops Los Angeles Auckland Intl

11:55 am - 6:40 amSYD Sydney Kingsford Smith-DEN Denver Intl

34h 45m2 stops Auckland Intl Honolulu

$1,197Air New Zealand

Sun, Apr 18 - Sun, May 9

1:42 pm - 9:00 amDEN Denver Intl-SYD Sydney Kingsford Smith

26h 18m1 stop Los Angeles

11:20 am - 1:11 pmSYD Sydney Kingsford Smith-DEN Denver Intl

18h 51m1 stop Los Angeles

$1,308Qantas Airways

Tue, Mar 16 - Sat, Mar 27

12:15 pm - 9:00 amDEN Denver Intl-SYD Sydney Kingsford Smith

26h 45m1 stop Los Angeles

8:55 am - 10:05 pmSYD Sydney Kingsford Smith-DEN Denver Intl

31h 10m2 stops Auckland Intl Los Angeles

$1,366Qantas Airways

Mon, Nov 30 - Mon, Dec 7

7:00 pm - 9:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

20h 35m1 stop Vancouver Intl

11:20 am - 12:43 pmSYD Sydney Kingsford Smith-DEN Denver Intl

19h 23m1 stop Vancouver Intl

$1,594Air Canada

Tue, Dec 1 - Mon, Dec 7

12:52 pm - 8:30 amDEN Denver Intl-SYD Sydney Kingsford Smith

25h 38m1 stop Los Angeles

10:40 am - 12:01 pmSYD Sydney Kingsford Smith-DEN Denver Intl

19h 21m1 stop Los Angeles

$1,599Delta

Sun, Nov 15 - Mon, Nov 30

12:52 pm - 8:30 amDEN Denver Intl-SYD Sydney Kingsford Smith

25h 38m1 stop Los Angeles

10:40 am - 11:57 amSYD Sydney Kingsford Smith-DEN Denver Intl

19h 17m1 stop Los Angeles

$1,599Delta

Tue, Nov 17 - Tue, Dec 1

7:00 pm - 9:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

20h 35m1 stop Vancouver Intl

11:20 am - 12:38 pmSYD Sydney Kingsford Smith-DEN Denver Intl

19h 18m1 stop Vancouver Intl

$1,611Air Canada

Sun, Feb 14 - Tue, Feb 23

Cheap last minute flights

Enter your travel dates to find the best prices.

5:00 am - 8:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

33h 35m2 stops Houston George Bush Intcntl Auckland Intl

11:55 am - 5:56 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 01m2 stops Auckland Intl Los Angeles

$1,293Air New Zealand

Thu, Nov 5 - Thu, Nov 12

8:30 pm - 8:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

42h 05m2 stops Houston George Bush Intcntl Auckland Intl

2:05 pm - 5:56 pmSYD Sydney Kingsford Smith-DEN Denver Intl

21h 51m2 stops Auckland Intl Los Angeles

$1,334Air New Zealand

Sun, Nov 8 - Sat, Nov 21

7:00 am - 6:25 amDEN Denver Intl-SYD Sydney Kingsford Smith

29h 25m2 stops Phoenix Sky Harbor Intl Los Angeles

11:15 am - 11:44 pmSYD Sydney Kingsford Smith-DEN Denver Intl

30h 29m2 stops Los Angeles Las Vegas Harry Reid Intl

$1,418Multiple Airlines

Sun, Nov 8 - Tue, Nov 17

12:54 pm - 6:25 amDEN Denver Intl-SYD Sydney Kingsford Smith

23h 31m1 stop Los Angeles

11:15 am - 11:53 pmSYD Sydney Kingsford Smith-DEN Denver Intl

30h 38m2 stops Los Angeles Phoenix Sky Harbor Intl

$1,436Multiple Airlines

Sun, Nov 8 - Tue, Nov 17

12:54 pm - 6:25 amDEN Denver Intl-SYD Sydney Kingsford Smith

23h 31m1 stop Los Angeles

11:15 am - 5:35 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 20m1 stop Los Angeles

$1,476Multiple Airlines

Sun, Nov 8 - Tue, Nov 17

7:20 pm - 9:20 amDEN Denver Intl-SYD Sydney Kingsford Smith

20h 00m1 stop San Francisco

9:55 am - 7:45 pmSYD Sydney Kingsford Smith-DEN Denver Intl

27h 50m2 stops Auckland Intl Los Angeles

$1,520Air New Zealand

Sun, Nov 8 - Sat, Nov 21

7:09 pm - 9:05 amDEN Denver Intl-SYD Sydney Kingsford Smith

19h 56m1 stop Los Angeles

11:50 am - 12:44 pmSYD Sydney Kingsford Smith-DEN Denver Intl

18h 54m1 stop San Francisco

$2,349United Airlines

Thu, Nov 5 - Thu, Nov 12

6:46 pm - 6:25 amDEN Denver Intl-SYD Sydney Kingsford Smith

41h 39m1 stop Los Angeles

11:10 am - 11:30 amSYD Sydney Kingsford Smith-DEN Denver Intl

18h 20m1 stop Los Angeles

$2,639Qantas Airways

Sat, Nov 7 - Mon, Jan 4

6:46 pm - 6:25 amDEN Denver Intl-SYD Sydney Kingsford Smith

41h 39m1 stop Los Angeles

11:10 am - 11:30 amSYD Sydney Kingsford Smith-DEN Denver Intl

18h 20m1 stop Los Angeles

$2,669Qantas Airways

Sat, Nov 7 - Mon, Jan 4

9:18 pm - 9:20 amDEN Denver Intl-SYD Sydney Kingsford Smith

42h 02m1 stop San Francisco

9:15 am - 11:37 amSYD Sydney Kingsford Smith-DEN Denver Intl

20h 22m1 stop Houston George Bush Intcntl

$14,242United Airlines

Sat, Nov 7 - Mon, Jan 4

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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

Apr 12

DEN9:25 pmDenver Intl

45h 15m

2 stops

SYD10:40 amSydney Kingsford Smith

May 3

SYD9:55 amSydney Kingsford Smith

25h 35m

2 stops

DEN7:30 pmDenver Intl

$1,194

Air New Zealand

Apr 18

DEN7:58 amDenver Intl

32h 47m

2 stops

SYD8:45 amSydney Kingsford Smith

May 9

SYD11:55 amSydney Kingsford Smith

34h 45m

2 stops

DEN6:40 amDenver Intl

$1,197

Air New Zealand

Feb 2

DEN3:55 pmDenver Intl

24h 40m

2 stops

SYD10:35 amSydney Kingsford Smith

Feb 16

SYD9:55 amSydney Kingsford Smith

26h 15m

2 stops

DEN6:10 pmDenver Intl

$1,200

Air Canada flights from Denver to Sydney

Our best Air Canada deals on Denver to Sydney flight tickets

Air Canada

Nov 9

DEN7:00 pmDenver Intl

20h 35m

1 stop

SYD9:35 amSydney Kingsford Smith

Nov 13

SYD11:20 amSydney Kingsford Smith

48h 43m

2 stops

DEN6:03 pmDenver Intl

$1,830

Air Canada

Nov 9

DEN7:00 pmDenver Intl

20h 35m

1 stop

SYD9:35 amSydney Kingsford Smith

Nov 13

SYD11:20 amSydney Kingsford Smith

24h 53m

1 stop

DEN6:13 pmDenver Intl

$1,854

Air Canada

Nov 16

DEN8:25 pmDenver Intl

43h 10m

3 stops

SYD9:35 amSydney Kingsford Smith

Nov 30

SYD11:20 amSydney Kingsford Smith

24h 43m

2 stops

DEN6:03 pmDenver Intl

$2,428

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 2/3

10:29 pm-6:25 am

1 stop37h 56m

Sydney Kingsford Smith

Thu 2/18

2:00 pm-8:19 pm

2 stops24h 19m

$969

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 2/3

10:29 pm-6:25 am

1 stop37h 56m

Sydney Kingsford Smith

Sun 2/21

2:55 pm-9:31 am

2 stops36h 36m

$969

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 4/12

9:25 pm-10:40 am

2 stops45h 15m

Sydney Kingsford Smith

Mon 5/3

9:55 am-7:30 pm

2 stops25h 35m

$1,194

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sun 4/18

7:58 am-8:45 am

2 stops32h 47m

Sydney Kingsford Smith

Sun 5/9

11:55 am-6:40 am

2 stops34h 45m

$1,197

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 3/16

1:42 pm-9:00 am

1 stop26h 18m

Sydney Kingsford Smith

Sat 3/27

11:20 am-1:11 pm

1 stop18h 51m

$1,308

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 11/30

12:15 pm-9:00 am

1 stop26h 45m

Sydney Kingsford Smith

Mon 12/7

8:55 am-10:05 pm

2 stops31h 10m

$1,366

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 12/1

7:00 pm-9:35 am

1 stop20h 35m

Sydney Kingsford Smith

Mon 12/7

11:20 am-12:43 pm

1 stop19h 23m

$1,594

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sun 11/15

12:52 pm-8:30 am

1 stop25h 38m

Sydney Kingsford Smith

Mon 11/30

10:40 am-12:01 pm

1 stop19h 21m

$1,599

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 11/17

12:52 pm-8:30 am

1 stop25h 38m

Sydney Kingsford Smith

Tue 12/1

10:40 am-11:57 am

1 stop19h 17m

$1,599

Quickest round-trip

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sun 2/14

7:00 pm-9:35 am

1 stop20h 35m

Sydney Kingsford Smith

Tue 2/23

11:20 am-12:38 pm

1 stop19h 18m

$1,611

Flights are sorted by cheapest round-trip 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

Airlines

Layovers

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 $1,286 to $1,760.
The lowest price recently found on this route was $969.

What is the cheapest month to fly to Sydney?

In general, September is the cheapest month to fly from Denver to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,180. If you are unable to visit Sydney during the month of September, then departing from Denver during the month May is also very affordable. Most momondo users find prices during this month for around $1,180.

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 $1,392 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Denver for as low as $1,060 on momondo.

Can stopping save me money on Denver to Sydney flights?

You could potentially save up to 11% 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 November 2026, prices for Denver to Sydney flights are approximately 28% 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 round-trip 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	$498
Fastest flight time	21h 54m
Direct flights	None

The best one-way flight to Sydney from Denver in the past 72 hours is $498. The best round-trip flight deal from Denver to Sydney found on momondo in the last 72 hours is $969.

The fastest flight from Denver to Sydney takes 21h 54m

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?
Denver Intl and Sydney Kingsford Smith are 8325.4 mi apart from one another. A reasonable flight in good conditions will take 21h 54m.
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 are updated daily.
How many operators does momondo search for flights from Denver Intl Airport to Sydney Kingsford Smith Airport?
As of November 2026, there are 7 operators 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?
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 Denver Intl Airport 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 license 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.
What is the most popular airline from Denver to Sydney?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Denver to Sydney is Qantas Airways (27% of total bookings). The next most popular airlines are Air Canada (21%), United Airlines (19%), and Delta (12%).

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
Delta	PriceFrom $197	Free Cancellation	Rating 7.8 8,697 reviews	Search Delta flights
Fiji Airways	PriceFrom $684	Free Cancellation	Rating 8.0 261 reviews	Search Fiji Airways flights
United Airlines	PriceFrom $853	Free Cancellation	Rating 7.3 10,463 reviews	Search United Airlines flights
American Airlines	PriceFrom $895	Free Cancellation	Rating 7.0 12,223 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $960	Free Cancellation	Rating 7.5 1,122 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $1,049	Free Cancellation	Rating 7.1 11,846 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,071	Free Cancellation	Rating 8.0 681 reviews	Search Air New Zealand flights

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Leura

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Denver.

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

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

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?

If you are not ready to book a flight from Denver to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

An easier way to manage your Sydney trip

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Cheap flights from Denver to Sydney from $498

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Sydney departing on 3/1. 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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Air New Zealand flights from Denver to Sydney

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

Air Canada flights from Denver to Sydney

Our best Air Canada deals on Denver to Sydney flight tickets

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How to get the cheapest flight ticket from Denver to Sydney

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

What is the cheapest month to fly to Sydney?

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

Can stopping save me money on Denver to Sydney flights?

How have Denver to Sydney flight prices changed over time?

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

What airlines fly to Sydney?

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

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

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

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

When to book flights from Denver to Sydney

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Denver to Sydney

Best airlines flying from Denver to Sydney

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

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize 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 Australia

Airports servicing New South Wales

Fly your favorite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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

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According to popular flight searches on momondo this year

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