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.

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

Los Angeles (LAX) was the most common stop: 95% of momondo users choosing 1-stop flights on this route connected there.

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 38% 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 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.

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 September 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.

$495 Cheap Flights from Denver to Sydney in 2026

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1:10 pm - 6:25 amDEN Denver Intl-SYD Sydney Kingsford Smith

24h 15m1 stop Los Angeles Los Angeles

2:00 pm - 3:11 pmSYD Sydney Kingsford Smith-DEN Denver Intl

43h 11m2 stops Nadi Los Angeles Los Angeles

$858Multiple Airlines

Wed, Oct 28 - Wed, Nov 4

10:55 pm - 6:25 amDEN Denver Intl-SYD Sydney Kingsford Smith

37h 30m1 stop Los Angeles Los Angeles

2:00 pm - 6:03 pmSYD Sydney Kingsford Smith-DEN Denver Intl

22h 03m2 stops Nadi Los Angeles Los Angeles

$865Multiple Airlines

Wed, Nov 4 - Thu, Nov 12

1:30 pm - 8:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

26h 05m2 stops Los Angeles Los Angeles Auckland Intl

9:55 am - 6:00 pmSYD Sydney Kingsford Smith-DEN Denver Intl

26h 05m2 stops Auckland Intl San Francisco

$1,139Air New Zealand

Mon, Oct 26 - Wed, Nov 11

3:45 pm - 8:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

22h 50m2 stops Los Angeles Los Angeles Auckland Intl

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

27h 35m2 stops Auckland Intl Los Angeles Los Angeles

$1,139Air New Zealand

Tue, Feb 16 - Mon, Feb 22

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

$1,394Air Canada

Mon, Nov 16 - Mon, Nov 30

11:48 am - 8:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

27h 47m1 stop Vancouver Intl

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

19h 23m1 stop Vancouver Intl

$1,395Air Canada

Wed, Oct 28 - Wed, Nov 4

6:25 am - 8:30 amDEN Denver Intl-SYD Sydney Kingsford Smith

32h 05m1 stop Los Angeles Los Angeles

10:40 am - 11:27 amSYD Sydney Kingsford Smith-DEN Denver Intl

18h 47m1 stop Los Angeles Los Angeles

$1,503Delta

Sun, Nov 15 - Wed, Dec 16

7:56 pm - 8:30 amDEN Denver Intl-SYD Sydney Kingsford Smith

18h 34m1 stop Los Angeles Los Angeles

10:40 am - 6:57 pmSYD Sydney Kingsford Smith-DEN Denver Intl

26h 17m1 stop Los Angeles Los Angeles

$1,503Delta

Mon, Nov 16 - Tue, Dec 15

7:59 pm - 9:00 amDEN Denver Intl-SYD Sydney Kingsford Smith

19h 01m1 stop Los Angeles Los Angeles

11:20 am - 6:14 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 54m1 stop Los Angeles Los Angeles

$1,832Qantas Airways

Thu, Dec 31 - Fri, Jan 8

7:00 am - 8:05 amDEN Denver Intl-SYD Sydney Kingsford Smith

32h 05m1 stop Los Angeles Los Angeles

10:10 am - 11:21 amSYD Sydney Kingsford Smith-DEN Denver Intl

18h 11m1 stop Los Angeles Los Angeles

$1,853Qantas Airways

Wed, Oct 7 - Wed, Oct 21

Cheap last minute flights

Enter your travel dates to find the best prices.

9:05 am - 11:50 amDEN Denver Intl-SYD Sydney Kingsford Smith

34h 45m2 stops Los Angeles Los Angeles Nadi

2:25 pm - 10:07 amSYD Sydney Kingsford Smith-DEN Denver Intl

35h 42m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,261Multiple Airlines

Sun, Sep 13 - Sun, Sep 27

7:50 pm - 7:20 amDEN Denver Intl-SYD Sydney Kingsford Smith

19h 30m1 stop Vancouver Intl

9:20 am - 6:04 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 44m2 stops Vancouver Intl Edmonton

$1,308Air Canada

Sun, Sep 13 - Sun, Sep 27

7:50 pm - 7:20 amDEN Denver Intl-SYD Sydney Kingsford Smith

19h 30m1 stop Vancouver Intl

9:20 am - 4:58 pmSYD Sydney Kingsford Smith-DEN Denver Intl

23h 38m1 stop Vancouver Intl

$1,309Air Canada

Sun, Sep 13 - Sun, Sep 27

1:10 pm - 7:30 amDEN Denver Intl-SYD Sydney Kingsford Smith

26h 20m1 stop Los Angeles Los Angeles

2:25 pm - 3:05 pmSYD Sydney Kingsford Smith-DEN Denver Intl

40h 40m2 stops Nadi Los Angeles Los Angeles

$1,331Multiple Airlines

Fri, Sep 11 - Sun, Sep 27

10:39 pm - 7:30 amDEN Denver Intl-SYD Sydney Kingsford Smith

40h 51m1 stop Los Angeles Los Angeles

1:15 pm - 5:32 pmSYD Sydney Kingsford Smith-DEN Denver Intl

44h 17m2 stops Nadi Los Angeles Los Angeles

$1,342Multiple Airlines

Tue, Sep 8 - Tue, Sep 22

5:49 pm - 8:45 amDEN Denver Intl-SYD Sydney Kingsford Smith

22h 56m2 stops San Francisco Auckland Intl

9:30 am - 5:58 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 28m1 stop Los Angeles Los Angeles

$1,476Air New Zealand

Wed, Sep 9 - Mon, Sep 21

6:06 pm - 6:50 amDEN Denver Intl-SYD Sydney Kingsford Smith

20h 44m2 stops Salt Lake City Los Angeles Los Angeles

9:15 am - 5:33 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 18m2 stops Los Angeles Los Angeles Seattle/Tacoma Intl

$1,516Delta

Wed, Sep 9 - Mon, Sep 21

11:45 am - 8:45 amDEN Denver Intl-SYD Sydney Kingsford Smith

29h 00m2 stops Los Angeles Los Angeles Auckland Intl

10:20 am - 12:36 pmSYD Sydney Kingsford Smith-DEN Denver Intl

18h 16m1 stop San Francisco

$1,530Air New Zealand

Fri, Sep 11 - Sun, Sep 27

10:45 am - 6:50 amDEN Denver Intl-SYD Sydney Kingsford Smith

28h 05m2 stops Salt Lake City Los Angeles Los Angeles

9:15 am - 5:02 pmSYD Sydney Kingsford Smith-DEN Denver Intl

23h 47m2 stops Los Angeles Los Angeles Salt Lake City

$1,553Delta

Wed, Sep 9 - Sun, Sep 27

11:40 am - 7:05 amDEN Denver Intl-SYD Sydney Kingsford Smith

27h 25m1 stop Los Angeles Los Angeles

9:10 am - 5:35 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 25m1 stop Los Angeles Los Angeles

$2,486Qantas Airways

Tue, Sep 8 - Thu, Sep 10

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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

Oct 26

DEN1:30 pmDenver Intl

26h 05m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 11

SYD9:55 amSydney Kingsford Smith

26h 05m

2 stops

DEN6:00 pmDenver Intl

$1,139

Air New Zealand

Feb 1

DEN7:58 amDenver Intl

30h 37m

2 stops

SYD8:35 amSydney Kingsford Smith

Feb 17

SYD2:05 pmSydney Kingsford Smith

21h 45m

2 stops

DEN5:50 pmDenver Intl

$1,140

Air New Zealand

Feb 16

DEN3:45 pmDenver Intl

22h 50m

2 stops

SYD8:35 amSydney Kingsford Smith

Feb 22

SYD9:55 amSydney Kingsford Smith

27h 35m

2 stops

DEN7:30 pmDenver Intl

$1,141

Air Canada flights from Denver to Sydney

Our best Air Canada deals on Denver to Sydney flight tickets

Air Canada

Sep 13

DEN7:50 pmDenver Intl

19h 30m

1 stop

SYD7:20 amSydney Kingsford Smith

Sep 27

SYD9:20 amSydney Kingsford Smith

24h 44m

2 stops

DEN6:04 pmDenver Intl

$1,308

Air Canada

Sep 13

DEN7:50 pmDenver Intl

19h 30m

1 stop

SYD7:20 amSydney Kingsford Smith

Sep 27

SYD9:20 amSydney Kingsford Smith

23h 38m

1 stop

DEN4:58 pmDenver Intl

$1,309

Air Canada

Sep 13

DEN7:50 pmDenver Intl

22h 50m

2 stops

SYD10:40 amSydney Kingsford Smith

Sep 27

SYD9:20 amSydney Kingsford Smith

24h 44m

2 stops

DEN6:04 pmDenver Intl

$1,327

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 10/28

1:10 pm-6:25 am

1 stop24h 15m

Sydney Kingsford Smith

Wed 11/4

2:00 pm-3:11 pm

2 stops43h 11m

$858

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 11/4

10:55 pm-6:25 am

1 stop37h 30m

Sydney Kingsford Smith

Thu 11/12

2:00 pm-6:03 pm

2 stops22h 03m

$865

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 10/26

1:30 pm-8:35 am

2 stops26h 05m

Sydney Kingsford Smith

Wed 11/11

9:55 am-6:00 pm

2 stops26h 05m

$1,139

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 2/16

3:45 pm-8:35 am

2 stops22h 50m

Sydney Kingsford Smith

Mon 2/22

9:55 am-7:30 pm

2 stops27h 35m

$1,139

Quickest round-trip

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 11/16

7:00 pm-9:35 am

1 stop20h 35m

Sydney Kingsford Smith

Mon 11/30

11:20 am-12:43 pm

1 stop19h 23m

$1,394

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 10/28

11:48 am-8:35 am

1 stop27h 47m

Sydney Kingsford Smith

Wed 11/4

11:20 am-12:43 pm

1 stop19h 23m

$1,395

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sun 11/15

6:25 am-8:30 am

1 stop32h 05m

Sydney Kingsford Smith

Wed 12/16

10:40 am-11:27 am

1 stop18h 47m

$1,503

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 11/16

7:56 pm-8:30 am

1 stop18h 34m

Sydney Kingsford Smith

Tue 12/15

10:40 am-6:57 pm

1 stop26h 17m

$1,503

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Thu 12/31

7:59 pm-9:00 am

1 stop19h 01m

Sydney Kingsford Smith

Fri 1/8

11:20 am-6:14 pm

1 stop24h 54m

$1,832

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 10/7

7:00 am-8:05 am

1 stop32h 05m

Sydney Kingsford Smith

Wed 10/21

10:10 am-11:21 am

1 stop18h 11m

$1,853

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 typical for flights on this route.

Typical prices usually range from $840 to $1,494.
The lowest price recently found on this route was $858.

What is the cheapest month to fly to Sydney?

In general, May 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 May, then departing from Denver during the month April is also very affordable. Most momondo users find prices during this month for around $1,183.

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 $1,378 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 $1,068 on momondo.

Can stopping save me money on Denver to Sydney flights?

You could potentially save up to 7% 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 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 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	$495
Fastest flight time	19h 30m
Direct flights	None

The best one-way flight to Sydney from Denver in the past 72 hours is $495. The best round-trip flight deal from Denver to Sydney found on momondo in the last 72 hours is $858.

The fastest flight from Denver to Sydney takes 19h 30m

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 19h 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 are updated daily.
How many operators does momondo search for flights from Denver Intl Airport to Sydney Kingsford Smith Airport?
As of September 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 (31% of total bookings). The next most popular airlines are Air Canada (19%), United Airlines (18%), and Delta (14%).

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 $215	Free Cancellation	Rating 7.8 8,558 reviews	Search Delta flights
Fiji Airways	PriceFrom $684	Free Cancellation	Rating 8.0 258 reviews	Search Fiji Airways flights
American Airlines	PriceFrom $844	Free Cancellation	Rating 7.1 12,044 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $849	Free Cancellation	Rating 7.5 1,090 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $853	Free Cancellation	Rating 7.4 10,174 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,029	Free Cancellation	Rating 7.1 11,594 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,144	Free Cancellation	Rating 8.0 668 reviews	Search Air New Zealand flights

Parramatta

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Penrith

Katoomba

Coogee

Cronulla

Leura

Randwick

Manly

Terrigal

Lithgow

Charlestown

Swansea

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

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.

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Cheap flights from Denver to Sydney from $495

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 9/30. 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 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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