What is the cheapest airline that flies from Denver Intl to Australia?

ANA, Air Canada, and Delta are the most popular carriers operating from Denver Intl to Australia

When did momondo last update prices for flights from Denver Intl Airport to Australia?

Prices for flights from Denver Intl Airport to Australia are refreshed on a daily basis.

How many operators does momondo search for flights from Denver Intl Airport to Australia?

There are 2 operators available for flights from Denver Intl Airport to Australia as of September 2026.

How old do you have to be to fly from Denver Intl Airport to Australia?

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 Australia.

What documentation or ID do you need to fly to Australia?

The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$696 Cheap Flights from Denver to Australia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Australia

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 Los Angeles Nadi

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

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

$1,432Multiple Airlines

Mon, 26 Oct - Mon, 9 Nov

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

29h 25m2 stops Los Angeles Los Angeles Nadi

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

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

$1,442Multiple Airlines

Mon, 2 Nov - Mon, 9 Nov

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

30h 25m2 stops Los Angeles Los Angeles Nadi

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

22h 03m2 stops Nadi Los Angeles Los Angeles

$1,535Multiple Airlines

Mon, 26 Oct - Mon, 9 Nov

13:10 - 10:15DEN Denver Intl-BNE Brisbane

29h 05m2 stops Los Angeles Los Angeles Nadi

23:40 - 18:03BNE Brisbane-DEN Denver Intl

35h 23m2 stops Nadi Los Angeles Los Angeles

$1,538Multiple Airlines

Sat, 31 Oct - Sat, 7 Nov

15:45 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

22h 50m2 stops Los Angeles Los Angeles Auckland Intl

11:50 - 17:50SYD Sydney Kingsford Smith-DEN Denver Intl

24h 00m2 stops Auckland Intl Los Angeles Los Angeles

$1,597Air New Zealand

Wed, 10 Feb - Wed, 24 Feb

11:24 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

27h 11m2 stops Los Angeles Los Angeles Auckland Intl

09:55 - 17:50SYD Sydney Kingsford Smith-DEN Denver Intl

25h 55m2 stops Auckland Intl Los Angeles Los Angeles

$1,597Air New Zealand

Tue, 26 Jan - Tue, 9 Feb

13:29 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

25h 06m2 stops Los Angeles Los Angeles Auckland Intl

09:55 - 18:18SYD Sydney Kingsford Smith-DEN Denver Intl

26h 23m2 stops Auckland Intl San Francisco

$1,597Air New Zealand

Mon, 1 Feb - Wed, 10 Feb

12:17 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

24h 08m1 stop Los Angeles Los Angeles

11:10 - 18:21SYD Sydney Kingsford Smith-DEN Denver Intl

25h 11m1 stop Los Angeles Los Angeles

$2,301Qantas Airways

Tue, 17 Nov - Tue, 1 Dec

07:09 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

29h 16m1 stop Los Angeles Los Angeles

11:10 - 18:21SYD Sydney Kingsford Smith-DEN Denver Intl

25h 11m1 stop Los Angeles Los Angeles

$2,301Qantas Airways

Tue, 17 Nov - Tue, 1 Dec

19:59 - 23:15DEN Denver Intl-AVV Melbourne Avalon

33h 16m2 stops Los Angeles Los Angeles Sydney Kingsford Smith

20:55 - 13:10AVV Melbourne Avalon-DEN Denver Intl

34h 15m2 stops Sydney Kingsford Smith Los Angeles Los Angeles

$2,646Qantas Airways

Thu, 24 Dec - Sun, 10 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

13:10 - 07:05DEN Denver Intl-SYD Sydney Kingsford Smith

25h 55m1 stop Los Angeles Los Angeles

09:10 - 17:32SYD Sydney Kingsford Smith-DEN Denver Intl

24h 22m1 stop Los Angeles Los Angeles

$1,709Multiple Airlines

Tue, 22 Sep - Tue, 29 Sep

12:42 - 07:05DEN Denver Intl-SYD Sydney Kingsford Smith

26h 23m1 stop Los Angeles Los Angeles

18:50 - 09:10SYD Sydney Kingsford Smith-DEN Denver Intl

31h 20m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl

$1,762Multiple Airlines

Wed, 23 Sep - Mon, 12 Oct

13:10 - 11:50DEN Denver Intl-SYD Sydney Kingsford Smith

30h 40m2 stops Los Angeles Los Angeles Nadi

13:15 - 23:44SYD Sydney Kingsford Smith-DEN Denver Intl

26h 29m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,775Multiple Airlines

Mon, 21 Sep - Wed, 30 Sep

12:42 - 07:05DEN Denver Intl-SYD Sydney Kingsford Smith

26h 23m1 stop Los Angeles Los Angeles

18:50 - 09:10SYD Sydney Kingsford Smith-DEN Denver Intl

31h 20m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl

$1,818Multiple Airlines

Wed, 23 Sep - Mon, 12 Oct

12:42 - 07:05DEN Denver Intl-SYD Sydney Kingsford Smith

26h 23m1 stop Los Angeles Los Angeles

10:10 - 15:14SYD Sydney Kingsford Smith-DEN Denver Intl

22h 04m1 stop Los Angeles Los Angeles

$1,822Multiple Airlines

Wed, 23 Sep - Mon, 12 Oct

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

26h 48m1 stop Los Angeles Los Angeles

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

31h 40m1 stop Los Angeles Los Angeles

$1,848Multiple Airlines

Wed, 23 Sep - Mon, 12 Oct

13:46 - 11:50DEN Denver Intl-SYD Sydney Kingsford Smith

30h 04m3 stops Salt Lake City Los Angeles Los Angeles Nadi

13:15 - 23:44SYD Sydney Kingsford Smith-DEN Denver Intl

26h 29m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,850Multiple Airlines

Mon, 21 Sep - Wed, 30 Sep

13:10 - 07:05DEN Denver Intl-SYD Sydney Kingsford Smith

25h 55m1 stop Los Angeles Los Angeles

09:10 - 15:30SYD Sydney Kingsford Smith-DEN Denver Intl

22h 20m2 stops Los Angeles Los Angeles San Francisco

$1,886Multiple Airlines

Tue, 22 Sep - Tue, 29 Sep

11:06 - 11:05DEN Denver Intl-CBR Canberra

31h 59m2 stops Los Angeles Los Angeles Sydney Kingsford Smith

15:25 - 22:41CBR Canberra-DEN Denver Intl

23h 16m2 stops Sydney Kingsford Smith Los Angeles Los Angeles

$3,441Qantas Airways

Tue, 22 Sep - Thu, 24 Sep

11:06 - 07:30DEN Denver Intl-SYD Sydney Kingsford Smith

28h 24m1 stop Los Angeles Los Angeles

09:10 - 17:35SYD Sydney Kingsford Smith-DEN Denver Intl

24h 25m1 stop Los Angeles Los Angeles

$17,540Qantas Airways

Wed, 23 Sep - Wed, 30 Sep

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Air New Zealand flights from Denver to Australia

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

Air New Zealand

26 Oct

DEN13:30Denver Intl

26h 05m

2 stops

SYD08:35Sydney Kingsford Smith

11 Nov

SYD09:55Sydney Kingsford Smith

26h 05m

2 stops

DEN18:00Denver Intl

$1,597

Air New Zealand

26 Oct

DEN16:05Denver Intl

23h 30m

2 stops

SYD08:35Sydney Kingsford Smith

11 Nov

SYD14:05Sydney Kingsford Smith

21h 51m

2 stops

DEN17:56Denver Intl

$1,598

Air New Zealand

23 Dec

DEN10:05Denver Intl

30h 30m

2 stops

SYD10:35Sydney Kingsford Smith

27 Jan

SYD14:05Sydney Kingsford Smith

21h 45m

2 stops

DEN17:50Denver Intl

$1,599

Delta flights from Denver to Australia

Our best Delta deals on Denver to Australia flight tickets

Delta

28 Sept

DEN12:25Denver Intl

26h 25m

1 stop

SYD06:50Sydney Kingsford Smith

21 Oct

SYD10:15Sydney Kingsford Smith

24h 54m

1 stop

DEN18:09Denver Intl

$2,118

Delta

28 Sept

DEN13:00Denver Intl

25h 50m

2 stops

SYD06:50Sydney Kingsford Smith

21 Oct

SYD10:15Sydney Kingsford Smith

23h 41m

2 stops

DEN16:56Denver Intl

$2,125

Delta

3 Oct

DEN18:28Denver Intl

44h 22m

2 stops

SYD07:50Sydney Kingsford Smith

19 Oct

SYD10:15Sydney Kingsford Smith

24h 32m

2 stops

DEN17:47Denver Intl

$2,151

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

$1,432

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

$1,442

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

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Sat 31/10

13:10-10:15

2 stops29h 05m

Brisbane

Sat 7/11

23:40-18:03

2 stops35h 23m

$1,538

Fastest return journey

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 10/2

15:45-08:35

2 stops22h 50m

Sydney Kingsford Smith

Wed 24/2

11:50-17:50

2 stops24h 00m

$1,597

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 26/1

11:24-08:35

2 stops27h 11m

Sydney Kingsford Smith

Tue 9/2

09:55-17:50

2 stops25h 55m

$1,597

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 1/2

13:29-08:35

2 stops25h 06m

Sydney Kingsford Smith

Wed 10/2

09:55-18:18

2 stops26h 23m

$1,597

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 17/11

12:17-06:25

1 stop24h 08m

Sydney Kingsford Smith

Tue 1/12

11:10-18:21

1 stop25h 11m

$2,301

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 17/11

07:09-06:25

1 stop29h 16m

Sydney Kingsford Smith

Tue 1/12

11:10-18:21

1 stop25h 11m

$2,301

DenverMelbourne

DEN Denver Intl - AVV Melbourne Avalon

DENAVV

Denver Intl

Thu 24/12

19:59-23:15

2 stops33h 16m

Melbourne Avalon

Sun 10/1

20:55-13:10

2 stops34h 15m

$2,646

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 Australia

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

What is the cheapest month to fly to Australia?

In general, April is the cheapest month to fly from Denver to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,588. If you don’t want to visit Australia in April, then you should wait until June to fly from Denver, when ticket prices are also cheap, with an average price of $1,689.

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

You are more likely to see cheaper flights to Australia from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia 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 Australia from Denver for as low as $1,488 on momondo.

Can stopping save me money on Denver to Australia flights?

You could potentially save up to 10% on your flight if you consider stops on a Denver to Australia flight.

Cheap Denver to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Australia

Best price found	$696
Fastest flight time	23h 00m
Direct flights	None

The best one-way flight to Australia from Denver in the past 72 hours is $696. The best return flight deal from Denver to Australia found on momondo in the last 72 hours is $1,432.

The fastest flight from Denver to Australia takes 23h 00m

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

Search flight deals

Frequently asked questions about flying from Denver to Australia

When did momondo last update prices for flights from Denver Intl Airport to Australia?
Prices for flights from Denver Intl Airport to Australia are refreshed on a daily basis.
How many operators does momondo search for flights from Denver Intl Airport to Australia?
There are 2 operators available for flights from Denver Intl Airport to Australia as of September 2026.
How old do you have to be to fly from Denver Intl Airport to Australia?
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 Australia.
What documentation or ID do you need to fly to Australia?
The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Denver to Australia

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

Airline	Rating	Free cancellation	Price
Qantas Airways	PriceFrom $1,266	Free cancellation	Rating 7.5 1,102 reviews		Search Qantas Airways flights
Air New Zealand	PriceFrom $2,220	Free cancellation	Rating 8.0 669 reviews		Search Air New Zealand flights

Why use momondo?

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

It is quick and easy to find Denver to Australia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Australia that suits you.

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

All flight searches from Denver to Australia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Denver to Australia?

momondo provides multiple filters to help you find the best flight to Australia from Denver. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Denver to Australia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Australia, momondo offers a useful price alert feature which will track prices for flights to Australia from Denver and alert you when they change.