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.

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 36% 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: 91% of momondo users choosing 1-stop flights on this route connected there.

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.

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 October 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.

$641 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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:43 pm - 9:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

23h 52m1 stop Vancouver Intl

11:20 am - 6:04 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 44m2 stops Vancouver Intl Edmonton

$1,010Air Canada

Sun, Feb 14 - Tue, Feb 23

11:43 am - 9:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

27h 52m2 stops Calgary Vancouver Intl

11:20 am - 6:04 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 44m2 stops Vancouver Intl Edmonton

$1,010Air Canada

Tue, Feb 16 - Mon, Feb 22

1:30 pm - 9:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

26h 05m2 stops Los Angeles Vancouver Intl

11:20 am - 4:36 pmSYD Sydney Kingsford Smith-DEN Denver Intl

23h 16m2 stops Vancouver Intl Calgary

$1,015Multiple Airlines

Mon, Nov 16 - Mon, Nov 23

4:05 pm - 9:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

23h 30m2 stops Portland Vancouver Intl

11:20 am - 6:04 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 44m2 stops Vancouver Intl Edmonton

$1,015Multiple Airlines

Mon, Feb 1 - Wed, Feb 17

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

20h 35m1 stop Vancouver Intl

11:20 am - 4:28 pmSYD Sydney Kingsford Smith-DEN Denver Intl

23h 08m1 stop Vancouver Intl

$1,065Air New Zealand

Tue, Feb 16 - Wed, Feb 24

7:10 pm - 9:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

20h 25m1 stop Vancouver Intl

11:20 am - 6:13 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 53m1 stop Vancouver Intl

$1,065Air New Zealand

Sun, Feb 14 - Mon, Feb 22

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

$1,598Delta

Sun, Nov 15 - Mon, Nov 30

12:59 pm - 8:30 amDEN Denver Intl-SYD Sydney Kingsford Smith

25h 31m1 stop Los Angeles

9:40 am - 11:29 amSYD Sydney Kingsford Smith-DEN Denver Intl

18h 49m1 stop Los Angeles

$1,598Delta

Sun, Jan 31 - Wed, Mar 24

1:50 pm - 9:00 amDEN Denver Intl-SYD Sydney Kingsford Smith

25h 10m1 stop Los Angeles

11:20 am - 6:16 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 56m1 stop Los Angeles

$1,676Qantas Airways

Wed, Jan 20 - Wed, Jan 27

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

29h 25m1 stop Los Angeles

11:10 am - 7:30 pmSYD Sydney Kingsford Smith-DEN Denver Intl

26h 20m1 stop Los Angeles

$1,772Qantas Airways

Fri, Dec 25 - Fri, Jan 1

Cheap last minute flights

Enter your travel dates to find the best prices.

11:39 am - 8:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

27h 56m2 stops Calgary Vancouver Intl

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

19h 00m1 stop Vancouver Intl

$1,010Air Canada

Wed, Oct 28 - Tue, Nov 3

7:00 pm - 8:35 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

$1,010Air Canada

Mon, Oct 26 - Wed, Nov 11

3:37 pm - 8:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

23h 58m2 stops San Francisco Vancouver Intl

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

19h 23m1 stop Vancouver Intl

$1,013Multiple Airlines

Mon, Oct 26 - Sun, Nov 8

3:37 pm - 8:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

23h 58m2 stops San Francisco Vancouver Intl

11:20 am - 6:03 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 43m2 stops Vancouver Intl Edmonton

$1,016Multiple Airlines

Mon, Oct 26 - Wed, Nov 11

4:05 pm - 10:35 amDEN Denver Intl-SYD Sydney Kingsford Smith

25h 30m2 stops Los Angeles Auckland Intl

2:05 pm - 9:27 pmSYD Sydney Kingsford Smith-DEN Denver Intl

25h 22m2 stops Auckland Intl Los Angeles

$1,182Air New Zealand

Mon, Oct 26 - Wed, Nov 11

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

24h 00m2 stops Houston George Bush Intcntl Auckland Intl

11:50 am - 4:12 pmSYD Sydney Kingsford Smith-DEN Denver Intl

22h 22m2 stops Auckland Intl Los Angeles

$1,194Air New Zealand

Mon, Oct 26 - Wed, Nov 11

10:45 am - 7:20 amDEN Denver Intl-SYD Sydney Kingsford Smith

27h 35m2 stops Salt Lake City Los Angeles

10:40 am - 5:10 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 30m2 stops Los Angeles Salt Lake City

$1,602Delta

Tue, Oct 27 - Wed, Nov 11

12:57 pm - 7:20 amDEN Denver Intl-SYD Sydney Kingsford Smith

25h 23m2 stops Salt Lake City Los Angeles

10:40 am - 5:10 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 30m2 stops Los Angeles Salt Lake City

$1,652Delta

Tue, Oct 27 - Thu, Nov 12

6:42 pm - 9:00 amDEN Denver Intl-SYD Sydney Kingsford Smith

21h 18m1 stop Los Angeles

11:10 am - 11:46 amSYD Sydney Kingsford Smith-DEN Denver Intl

18h 36m1 stop Los Angeles

$2,220Qantas Airways

Mon, Oct 26 - Sun, Nov 8

6:42 pm - 9:00 amDEN Denver Intl-SYD Sydney Kingsford Smith

21h 18m1 stop Los Angeles

8:45 pm - 6:21 pmSYD Sydney Kingsford Smith-DEN Denver Intl

39h 36m2 stops Brisbane Los Angeles

$4,221Qantas Airways

Wed, Oct 28 - Sun, Nov 22

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

DEN4:05 pmDenver Intl

25h 30m

2 stops

SYD10:35 amSydney Kingsford Smith

Nov 11

SYD2:05 pmSydney Kingsford Smith

25h 22m

2 stops

DEN9:27 pmDenver Intl

$1,182

Air New Zealand

Oct 26

DEN3:35 pmDenver Intl

24h 00m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 11

SYD11:50 amSydney Kingsford Smith

22h 22m

2 stops

DEN4:12 pmDenver Intl

$1,194

Air New Zealand

Nov 21

DEN8:30 pmDenver Intl

55h 20m

2 stops

SYD9:50 pmSydney Kingsford Smith

Dec 7

SYD11:50 amSydney Kingsford Smith

24h 04m

2 stops

DEN5:54 pmDenver Intl

$1,222

Air Canada flights from Denver to Sydney

Our best Air Canada deals on Denver to Sydney flight tickets

Air Canada

Oct 28

DEN3:53 pmDenver Intl

23h 42m

1 stop

SYD8:35 amSydney Kingsford Smith

Nov 3

SYD11:20 amSydney Kingsford Smith

23h 06m

1 stop

DEN4:26 pmDenver Intl

$1,010

Air Canada

Oct 26

DEN7:00 pmDenver Intl

20h 35m

1 stop

SYD8:35 amSydney Kingsford Smith

Nov 11

SYD11:20 amSydney Kingsford Smith

24h 43m

2 stops

DEN6:03 pmDenver Intl

$1,011

Air Canada

Oct 26

DEN7:00 pmDenver Intl

20h 35m

1 stop

SYD8:35 amSydney Kingsford Smith

Nov 11

SYD9:00 amSydney Kingsford Smith

21h 43m

2 stops

DEN12:43 pmDenver Intl

$1,026

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sun 2/14

3:43 pm-9:35 am

1 stop23h 52m

Sydney Kingsford Smith

Tue 2/23

11:20 am-6:04 pm

2 stops24h 44m

$1,010

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 2/16

11:43 am-9:35 am

2 stops27h 52m

Sydney Kingsford Smith

Mon 2/22

11:20 am-6:04 pm

2 stops24h 44m

$1,010

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 11/16

1:30 pm-9:35 am

2 stops26h 05m

Sydney Kingsford Smith

Mon 11/23

11:20 am-4:36 pm

2 stops23h 16m

$1,015

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 2/1

4:05 pm-9:35 am

2 stops23h 30m

Sydney Kingsford Smith

Wed 2/17

11:20 am-6:04 pm

2 stops24h 44m

$1,015

Quickest round-trip

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 2/16

7:00 pm-9:35 am

1 stop20h 35m

Sydney Kingsford Smith

Wed 2/24

11:20 am-4:28 pm

1 stop23h 08m

$1,065

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sun 2/14

7:10 pm-9:35 am

1 stop20h 25m

Sydney Kingsford Smith

Mon 2/22

11:20 am-6:13 pm

1 stop24h 53m

$1,065

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

$1,598

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sun 1/31

12:59 pm-8:30 am

1 stop25h 31m

Sydney Kingsford Smith

Wed 3/24

9:40 am-11:29 am

1 stop18h 49m

$1,598

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 1/20

1:50 pm-9:00 am

1 stop25h 10m

Sydney Kingsford Smith

Wed 1/27

11:20 am-6:16 pm

1 stop24h 56m

$1,676

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 12/25

7:00 am-6:25 am

1 stop29h 25m

Sydney Kingsford Smith

Fri 1/1

11:10 am-7:30 pm

1 stop26h 20m

$1,772

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 $1,212 to $1,770.
The lowest price recently found on this route was $1,010.

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 $1,376 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 October 2026, prices for Denver to Sydney flights are approximately 40% 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	$641
Fastest flight time	19h 30m
Direct flights	None

The best one-way flight to Sydney from Denver in the past 72 hours is $641. The best round-trip flight deal from Denver to Sydney found on momondo in the last 72 hours is $1,010.

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 October 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 (29% of total bookings). The next most popular airlines are Air Canada (20%), United Airlines (19%), 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 $197	Free Cancellation	Rating 7.8 8,661 reviews	Search Delta flights
Fiji Airways	PriceFrom $684	Free Cancellation	Rating 8.0 260 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $836	Free Cancellation	Rating 7.5 1,115 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $844	Free Cancellation	Rating 7.0 12,184 reviews	Search American Airlines flights
United Airlines	PriceFrom $850	Free Cancellation	Rating 7.3 10,398 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,050	Free Cancellation	Rating 7.1 11,791 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,180	Free Cancellation	Rating 8.0 675 reviews	Search Air New Zealand flights

Parramatta

Bondi Beach

Wollongong

Penrith

Katoomba

Coogee

Leura

Randwick

Cronulla

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 11/21

Sat 11/28

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

Nearby airports

Airlines

Cabin classes

Other Australia destinations

Other flights from Denver

Complete your trip

Feeling lucky

Cheap flights from Denver to Sydney from $641

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 11/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Denver to Sydney

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

momondo Fare Finder

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

See travel insights to Sydney from

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.

Popular cities in Australia

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

Fly to other destinations from Denver

According to popular flight searches on momondo this year

Complete your trip to Sydney

Explore popular destinations other users love

According to popular flight searches on momondo this year