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

Flights via Vancouver (YVR) offer the lowest average round-trip price of $1,267.

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

Los Angeles (LAX) was the most common stop: 86% 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 50m.

What airlines fly to Sydney?

Qantas Airways, United Airlines and Air Canada 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 33% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 8 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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: 20h 03m.

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 March 2026, there are 8 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.

$392 Cheap Flights from Denver to Sydney in 2026

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Round-trip

One-way

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6:05 am - 12:05 pm

DEN

SYD

38h 00m

2 stops

1:15 pm - 7:17 pm

SYD

DEN

22h 02m

2 stops

$918Multiple Airlines

Mon, May 18 - Mon, Jun 1

9:30 pm - 7:30 am

DEN

SYD

42h 00m

1 stop

11:00 am - 7:49 pm

SYD

DEN

24h 49m

2 stops

$1,092Multiple Airlines

Wed, Apr 29 - Wed, May 13

6:00 am - 7:30 am

DEN

SYD

33h 30m

1 stop

6:20 am - 10:47 am

SYD

DEN

44h 27m

2 stops

$1,094Multiple Airlines

Mon, May 4 - Tue, May 12

9:30 pm - 7:30 am

DEN

SYD

42h 00m

1 stop

11:00 am - 7:49 pm

SYD

DEN

24h 49m

2 stops

$1,102Multiple Airlines

Wed, Apr 29 - Wed, May 13

4:34 pm - 10:40 am

DEN

SYD

26h 06m

2 stops

9:55 am - 8:48 pm

SYD

DEN

26h 53m

2 stops

$1,117Air New Zealand

Sun, Apr 26 - Sun, May 10

4:34 pm - 8:45 am

DEN

SYD

24h 11m

2 stops

11:55 am - 8:48 pm

SYD

DEN

24h 53m

2 stops

$1,118Air New Zealand

Sun, Apr 26 - Sun, May 10

5:50 pm - 10:40 am

DEN

SYD

24h 50m

2 stops

9:55 am - 5:59 pm

SYD

DEN

24h 04m

2 stops

$1,119Air New Zealand

Tue, Aug 25 - Tue, Sep 15

9:30 pm - 7:30 am

DEN

SYD

42h 00m

1 stop

6:20 am - 7:49 pm

SYD

DEN

29h 29m

2 stops

$1,122Multiple Airlines

Tue, Apr 21 - Tue, Apr 28

7:05 pm - 8:35 am

DEN

SYD

20h 30m

1 stop

9:20 am - 12:35 pm

SYD

DEN

19h 15m

1 stop

$1,126Air Canada

Mon, Mar 23 - Wed, Apr 8

5:45 pm - 8:45 am

DEN

SYD

23h 00m

2 stops

11:55 am - 10:01 pm

SYD

DEN

26h 06m

2 stops

$1,128Air New Zealand

Wed, Sep 2 - Wed, Sep 16

Air Canada flights from Denver to Sydney

Our best Air Canada deals on Denver to Sydney flight tickets

Air Canada

Mar 23

DEN7:05 pmDenver Intl

20h 30m

1 stop

SYD8:35 amSydney Kingsford Smith

Apr 8

SYD9:20 amSydney Kingsford Smith

19h 15m

1 stop

DEN12:35 pmDenver Intl

$1,126

Air Canada

Aug 25

DEN7:50 pmDenver Intl

19h 30m

1 stop

SYD7:20 amSydney Kingsford Smith

Sep 15

SYD9:20 amSydney Kingsford Smith

23h 38m

1 stop

DEN4:58 pmDenver Intl

$1,138

Air Canada

Apr 14

DEN7:05 pmDenver Intl

20h 15m

1 stop

SYD7:20 amSydney Kingsford Smith

Apr 21

SYD9:20 amSydney Kingsford Smith

19h 15m

1 stop

DEN12:35 pmDenver Intl

$1,146

Air New Zealand flights from Denver to Sydney

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

Air New Zealand

Apr 26

DEN4:34 pmDenver Intl

26h 06m

2 stops

SYD10:40 amSydney Kingsford Smith

May 10

SYD9:55 amSydney Kingsford Smith

26h 53m

2 stops

DEN8:48 pmDenver Intl

$1,117

Air New Zealand

May 4

DEN5:25 pmDenver Intl

25h 15m

2 stops

SYD10:40 amSydney Kingsford Smith

May 12

SYD9:55 amSydney Kingsford Smith

25h 45m

2 stops

DEN7:40 pmDenver Intl

$1,118

Air New Zealand

Aug 25

DEN5:50 pmDenver Intl

24h 50m

2 stops

SYD10:40 amSydney Kingsford Smith

Sep 15

SYD9:55 amSydney Kingsford Smith

24h 04m

2 stops

DEN5:59 pmDenver Intl

$1,119

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 5/18

6:05 am-12:05 pm

2 stops38h 00m

Sydney Kingsford Smith

Mon 6/1

1:15 pm-7:17 pm

2 stops22h 02m

$918

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 4/29

9:30 pm-7:30 am

1 stop42h 00m

Sydney Kingsford Smith

Wed 5/13

11:00 am-7:49 pm

2 stops24h 49m

$1,092

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 5/4

6:00 am-7:30 am

1 stop33h 30m

Sydney Kingsford Smith

Tue 5/12

6:20 am-10:47 am

2 stops44h 27m

$1,094

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 4/29

9:30 pm-7:30 am

1 stop42h 00m

Sydney Kingsford Smith

Wed 5/13

11:00 am-7:49 pm

2 stops24h 49m

$1,102

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 4/26

4:34 pm-10:40 am

2 stops26h 06m

Sydney Kingsford Smith

Sun 5/10

9:55 am-8:48 pm

2 stops26h 53m

$1,117

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 4/26

4:34 pm-8:45 am

2 stops24h 11m

Sydney Kingsford Smith

Sun 5/10

11:55 am-8:48 pm

2 stops24h 53m

$1,118

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 8/25

5:50 pm-10:40 am

2 stops24h 50m

Sydney Kingsford Smith

Tue 9/15

9:55 am-5:59 pm

2 stops24h 04m

$1,119

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 4/21

9:30 pm-7:30 am

1 stop42h 00m

Sydney Kingsford Smith

Tue 4/28

6:20 am-7:49 pm

2 stops29h 29m

$1,122

Quickest round-trip

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 3/23

7:05 pm-8:35 am

1 stop20h 30m

Sydney Kingsford Smith

Wed 4/8

9:20 am-12:35 pm

1 stop19h 15m

$1,126

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 9/2

5:45 pm-8:45 am

2 stops23h 00m

Sydney Kingsford Smith

Wed 9/16

11:55 am-10:01 pm

2 stops26h 06m

$1,128

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 cheapest month to fly to Sydney?

In general, April 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 $1,147. If you are unable to visit Sydney during the month of April, then departing from Denver during the month September is also very affordable. Most momondo users find prices during this month for around $1,208.

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 $1,361 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 $1,148 on momondo.

Can stopping save me money on Denver to Sydney flights?

You could potentially save up to 20% 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 March 2026, prices for Denver to Sydney flights are approximately 48% 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

Fastest flight time	22h 55m
Direct flights	None

The fastest flight from Denver to Sydney takes 22h 55m

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

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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 22h 55m.
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 March 2026, there are 8 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 (26% of total bookings). The next most popular airlines are United Airlines (23%), Air Canada (15%), and Delta (15%).

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 $255	Free Cancellation	Rating 7.9 8,277 reviews	Search Delta flights
Fiji Airways	PriceFrom $684	Free Cancellation	Rating 8.0 229 reviews	Search Fiji Airways flights
Alaska Airlines	PriceFrom $745	Free Cancellation	Rating 8.0 12,026 reviews	Search Alaska Airlines flights
Qantas Airways	PriceFrom $800	Free Cancellation	Rating 7.5 1,003 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $853	Free Cancellation	Rating 7.4 9,414 reviews	Search United Airlines flights
American Airlines	PriceFrom $857	Free Cancellation	Rating 7.1 11,419 reviews	Search American Airlines flights
Air Canada	PriceFrom $980	Free Cancellation	Rating 7.1 10,800 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,144	Free Cancellation	Rating 8.0 610 reviews	Search Air New Zealand flights

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Coogee

Manly

Randwick

Leura

Lithgow

Cronulla

Charlestown

Terrigal

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 $392

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 5/5. 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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How to get the cheapest flight ticket from Denver to Sydney

What is the cheapest month to fly to Sydney?

How far in advance should I book a flight 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

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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.

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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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