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

Turkish Airlines, China Southern, and Air New Zealand 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 is 1 operator available for flights from Denver Intl Airport to Australia as of August 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.

$729 Cheap Flights from Denver to Australia in 2026

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.

13:10 - 22:05DEN Denver Intl-SYD Sydney Kingsford Smith

39h 55m2 stops Los Angeles Los Angeles Nadi

14:00 - 23:49SYD Sydney Kingsford Smith-DEN Denver Intl

27h 49m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,361Multiple Airlines

Sat, 24 Oct - Wed, 4 Nov

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

30h 40m2 stops Los Angeles Los Angeles Nadi

06:15 - 23:44SYD Sydney Kingsford Smith-DEN Denver Intl

33h 29m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,361Multiple Airlines

Tue, 22 Sep - Tue, 29 Sep

13:10 - 12:50DEN Denver Intl-SYD Sydney Kingsford Smith

30h 40m2 stops Los Angeles Los Angeles Nadi

14:00 - 09:48SYD Sydney Kingsford Smith-DEN Denver Intl

36h 48m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,364Multiple Airlines

Tue, 20 Oct - Mon, 26 Oct

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

28h 25m2 stops Los Angeles Los Angeles Auckland Intl

11:50 - 17:35SYD Sydney Kingsford Smith-DEN Denver Intl

23h 45m2 stops Auckland Intl Los Angeles Los Angeles

$1,412Multiple Airlines

Sat, 24 Oct - Wed, 4 Nov

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

30h 40m2 stops Los Angeles Los Angeles Nadi

06:00 - 12:51SYD Sydney Kingsford Smith-DEN Denver Intl

46h 51m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,478Multiple Airlines

Sat, 19 Sep - Sun, 27 Sep

09:10 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

29h 25m2 stops Los Angeles Los Angeles Auckland Intl

11:50 - 18:03SYD Sydney Kingsford Smith-DEN Denver Intl

24h 13m2 stops Auckland Intl Los Angeles Los Angeles

$1,482Multiple Airlines

Tue, 3 Nov - Thu, 12 Nov

09:05 - 11:50DEN Denver Intl-SYD Sydney Kingsford Smith

34h 45m2 stops Los Angeles Los Angeles Nadi

13:15 - 10:07SYD Sydney Kingsford Smith-DEN Denver Intl

36h 52m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,493Multiple Airlines

Sun, 13 Sep - Fri, 18 Sep

16:05 - 10:35DEN Denver Intl-SYD Sydney Kingsford Smith

25h 30m2 stops Los Angeles Los Angeles Auckland Intl

11:50 - 17:56SYD Sydney Kingsford Smith-DEN Denver Intl

24h 06m2 stops Auckland Intl Los Angeles Los Angeles

$1,575Air New Zealand

Wed, 28 Oct - Tue, 3 Nov

18:46 - 09:00DEN Denver Intl-SYD Sydney Kingsford Smith

20h 14m1 stop Los Angeles Los Angeles

11:20 - 11:30SYD Sydney Kingsford Smith-DEN Denver Intl

18h 10m1 stop Los Angeles Los Angeles

$2,395Qantas Airways

Tue, 8 Dec - Wed, 23 Dec

18:51 - 14:05DEN Denver Intl-AVV Melbourne Avalon

25h 14m2 stops Los Angeles Los Angeles Sydney Kingsford Smith

10:20 - 15:33AVV Melbourne Avalon-DEN Denver Intl

23h 13m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$2,503Qantas Airways

Mon, 23 Nov - Wed, 13 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

13:30 - 10:40DEN Denver Intl-SYD Sydney Kingsford Smith

29h 10m2 stops Los Angeles Los Angeles Auckland Intl

10:20 - 18:10SYD Sydney Kingsford Smith-DEN Denver Intl

23h 50m1 stop San Francisco

$2,055Air New Zealand

Thu, 27 Aug - Sun, 6 Sep

11:45 - 08:45DEN Denver Intl-SYD Sydney Kingsford Smith

29h 00m2 stops Los Angeles Los Angeles Auckland Intl

10:20 - 18:10SYD Sydney Kingsford Smith-DEN Denver Intl

23h 50m1 stop San Francisco

$2,056Air New Zealand

Thu, 27 Aug - Sun, 6 Sep

18:26 - 20:10DEN Denver Intl-SYD Sydney Kingsford Smith

33h 44m2 stops Los Angeles Los Angeles Hong Kong Intl

21:55 - 23:19SYD Sydney Kingsford Smith-DEN Denver Intl

41h 24m2 stops Hong Kong Intl Seattle/Tacoma Intl

$2,069Multiple Airlines

Tue, 25 Aug - Tue, 15 Sep

08:22 - 08:40DEN Denver Intl-SYD Sydney Kingsford Smith

32h 18m2 stops Seattle/Tacoma Intl Hong Kong Intl

10:10 - 11:09SYD Sydney Kingsford Smith-DEN Denver Intl

40h 59m2 stops Hong Kong Intl Los Angeles Los Angeles

$2,069Multiple Airlines

Thu, 27 Aug - Sun, 6 Sep

19:20 - 07:30DEN Denver Intl-MEL Melbourne

20h 10m1 stop Los Angeles Los Angeles

15:00 - 20:09MEL Melbourne-DEN Denver Intl

45h 09m2 stops Auckland Intl Houston George Bush Intcntl

$2,943Air New Zealand

Wed, 26 Aug - Fri, 28 Aug

15:50 - 10:55DEN Denver Intl-MEL Melbourne

27h 05m2 stops San Francisco Auckland Intl

21:00 - 12:14MEL Melbourne-DEN Denver Intl

31h 14m2 stops Sydney Kingsford Smith Los Angeles Los Angeles

$3,120Air New Zealand

Wed, 26 Aug - Fri, 28 Aug

07:25 - 06:45DEN Denver Intl-MEL Melbourne

31h 20m1 stop Los Angeles Los Angeles

09:45 - 00:44MEL Melbourne-DEN Denver Intl

30h 59m1 stop Los Angeles Los Angeles

$3,824Multiple Airlines

Wed, 26 Aug - Fri, 28 Aug

08:22 - 11:15DEN Denver Intl-MEL Melbourne

34h 53m2 stops Seattle/Tacoma Intl Hong Kong Intl

23:35 - 19:39MEL Melbourne-DEN Denver Intl

36h 04m3 stops Singapore Changi Tokyo Narita Los Angeles Los Angeles

$4,934Multiple Airlines

Wed, 26 Aug - Fri, 28 Aug

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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 Australia

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

Air New Zealand

28 Oct

DEN16:05Denver Intl

25h 30m

2 stops

SYD10:35Sydney Kingsford Smith

3 Nov

SYD11:50Sydney Kingsford Smith

24h 06m

2 stops

DEN17:56Denver Intl

$1,575

Air New Zealand

26 Oct

DEN13:30Denver Intl

28h 05m

2 stops

SYD10:35Sydney Kingsford Smith

11 Nov

SYD11:50Sydney Kingsford Smith

22h 22m

2 stops

DEN16:12Denver Intl

$1,588

Air New Zealand

26 Oct

DEN16:05Denver Intl

25h 30m

2 stops

SYD10:35Sydney Kingsford Smith

11 Nov

SYD11:50Sydney Kingsford Smith

22h 22m

2 stops

DEN16:12Denver Intl

$1,589

Air Canada flights from Denver to Australia

Our best Air Canada deals on Denver to Australia flight tickets

Air Canada

30 Aug

DEN19:45Denver Intl

19h 35m

1 stop

SYD07:20Sydney Kingsford Smith

13 Sept

SYD09:20Sydney Kingsford Smith

24h 44m

2 stops

DEN18:04Denver Intl

$1,938

Air Canada

30 Aug

DEN19:45Denver Intl

19h 35m

1 stop

SYD07:20Sydney Kingsford Smith

13 Sept

SYD09:20Sydney Kingsford Smith

23h 38m

1 stop

DEN16:58Denver Intl

$1,939

Air Canada

14 Sept

DEN09:10Denver Intl

29h 55m

1 stop

BNE07:05Brisbane

6 Oct

BNE10:00Brisbane

38h 24m

2 stops

DEN08:24Denver Intl

$1,992

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 24/10

13:10-22:05

2 stops39h 55m

Sydney Kingsford Smith

Wed 4/11

14:00-23:49

3 stops27h 49m

$1,361

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 22/9

13:10-11:50

2 stops30h 40m

Sydney Kingsford Smith

Tue 29/9

06:15-23:44

3 stops33h 29m

$1,361

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 20/10

13:10-12:50

2 stops30h 40m

Sydney Kingsford Smith

Mon 26/10

14:00-09:48

3 stops36h 48m

$1,364

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 24/10

13:10-10:35

2 stops28h 25m

Sydney Kingsford Smith

Wed 4/11

11:50-17:35

2 stops23h 45m

$1,412

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 19/9

13:10-11:50

2 stops30h 40m

Sydney Kingsford Smith

Sun 27/9

06:00-12:51

3 stops46h 51m

$1,478

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 3/11

09:10-08:35

2 stops29h 25m

Sydney Kingsford Smith

Thu 12/11

11:50-18:03

2 stops24h 13m

$1,482

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sun 13/9

09:05-11:50

2 stops34h 45m

Sydney Kingsford Smith

Fri 18/9

13:15-10:07

3 stops36h 52m

$1,493

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 28/10

16:05-10:35

2 stops25h 30m

Sydney Kingsford Smith

Tue 3/11

11:50-17:56

2 stops24h 06m

$1,575

Fastest return journey

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 8/12

18:46-09:00

1 stop20h 14m

Sydney Kingsford Smith

Wed 23/12

11:20-11:30

1 stop18h 10m

$2,395

DenverMelbourne

DEN Denver Intl - AVV Melbourne Avalon

DENAVV

Denver Intl

Mon 23/11

18:51-14:05

2 stops25h 14m

Melbourne Avalon

Wed 13/1

10:20-15:33

2 stops23h 13m

$2,503

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 $1,584. If you don’t want to visit Australia in April, then you should wait until May to fly from Denver, when ticket prices are also cheap, with an average price of $1,702.

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 $1,916 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 $1,489 on momondo.

Can stopping save me money on Denver to Australia flights?

You could potentially save up to 15% 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	$729
Fastest flight time	22h 50m
Direct flights	None

The best one-way flight to Australia from Denver in the past 72 hours is $729. The best return flight deal from Denver to Australia found on momondo in the last 72 hours is $1,361.

The fastest flight from Denver to Australia takes 22h 50m

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 is 1 operator available for flights from Denver Intl Airport to Australia as of August 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 $1,258	Free cancellation	Rating 7.5 1,085 reviews		Search Qantas Airways 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.