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

Air New Zealand and Air Canada 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.

$524 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 - 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

$1,359Multiple Airlines

Tue, 22 Sep - Tue, 29 Sep

13:10 - 10:25DEN Denver Intl-BNE Brisbane

29h 15m2 stops Los Angeles Los Angeles Nadi

11:35 - 23:44BNE Brisbane-DEN Denver Intl

28h 09m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,359Multiple Airlines

Tue, 22 Sep - Tue, 29 Sep

12:42 - 22:25DEN Denver Intl-SYD Sydney Kingsford Smith

41h 43m2 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

$1,360Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

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

$1,360Multiple Airlines

Sat, 24 Oct - Wed, 4 Nov

13:10 - 22:25DEN Denver Intl-SYD Sydney Kingsford Smith

41h 15m2 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 - 12:35DEN Denver Intl-SYD Sydney Kingsford Smith

30h 25m2 stops Los Angeles Los Angeles Nadi

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

39h 42m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,391Multiple Airlines

Fri, 23 Oct - Wed, 28 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

$1,411Multiple Airlines

Sat, 24 Oct - Wed, 4 Nov

06:25 - 12:25DEN Denver Intl-MEL Melbourne

36h 00m2 stops Los Angeles Los Angeles Nadi

13:45 - 23:28MEL Melbourne-DEN Denver Intl

27h 43m2 stops Nadi Los Angeles Los Angeles

$1,414Multiple Airlines

Wed, 2 Dec - Wed, 9 Dec

15:14 - 05:00DEN Denver Intl-MEL Melbourne

20h 46m1 stop Dallas/Fort Worth

12:00 - 14:18MEL Melbourne-DEN Denver Intl

20h 18m1 stop Dallas/Fort Worth

$2,104Qantas Airways

Sat, 24 Oct - Sat, 7 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

$2,394Qantas Airways

Tue, 8 Dec - Wed, 23 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

07:25 - 07:30DEN Denver Intl-SYD Sydney Kingsford Smith

32h 05m1 stop Los Angeles Los Angeles

17:50 - 09:32SYD Sydney Kingsford Smith-DEN Denver Intl

31h 42m1 stop Los Angeles Los Angeles

$1,790Multiple Airlines

Tue, 1 Sep - Wed, 30 Sep

07:25 - 07:30DEN Denver Intl-SYD Sydney Kingsford Smith

32h 05m1 stop Los Angeles Los Angeles

17:50 - 08:15SYD Sydney Kingsford Smith-DEN Denver Intl

30h 25m2 stops Los Angeles Los Angeles Dallas/Fort Worth

$1,836Multiple Airlines

Tue, 1 Sep - Wed, 30 Sep

07:00 - 07:30DEN Denver Intl-SYD Sydney Kingsford Smith

32h 30m1 stop Los Angeles Los Angeles

06:20 - 09:32SYD Sydney Kingsford Smith-DEN Denver Intl

43h 12m3 stops Auckland Intl Papeete Faaa Los Angeles Los Angeles

$1,892Multiple Airlines

Sun, 30 Aug - Sun, 13 Sep

11:23 - 07:20DEN Denver Intl-SYD Sydney Kingsford Smith

27h 57m2 stops Edmonton Vancouver Intl

09:20 - 18:04SYD Sydney Kingsford Smith-DEN Denver Intl

24h 44m2 stops Vancouver Intl Edmonton

$1,944Air Canada

Tue, 1 Sep - Wed, 30 Sep

19:45 - 07:20DEN Denver Intl-SYD Sydney Kingsford Smith

19h 35m1 stop Vancouver Intl

09:20 - 18:04SYD Sydney Kingsford Smith-DEN Denver Intl

24h 44m2 stops Vancouver Intl Edmonton

$1,965Air Canada

Sun, 30 Aug - Sun, 13 Sep

19:45 - 11:20DEN Denver Intl-MEL Melbourne

23h 35m2 stops Vancouver Intl Sydney Kingsford Smith

06:00 - 16:58MEL Melbourne-DEN Denver Intl

26h 58m2 stops Brisbane Vancouver Intl

$1,990Multiple Airlines

Tue, 1 Sep - Wed, 23 Sep

19:45 - 19:05DEN Denver Intl-MEL Melbourne

31h 20m2 stops Vancouver Intl Sydney Kingsford Smith

06:00 - 16:58MEL Melbourne-DEN Denver Intl

26h 58m2 stops Sydney Kingsford Smith Vancouver Intl

$1,995Multiple Airlines

Sun, 30 Aug - Wed, 30 Sep

19:45 - 19:05DEN Denver Intl-MEL Melbourne

31h 20m2 stops Vancouver Intl Sydney Kingsford Smith

06:00 - 20:17MEL Melbourne-DEN Denver Intl

30h 17m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$2,006Multiple Airlines

Sun, 30 Aug - Wed, 30 Sep

18:26 - 06:45DEN Denver Intl-MEL Melbourne

20h 19m1 stop Los Angeles Los Angeles

09:45 - 17:35MEL Melbourne-DEN Denver Intl

23h 50m1 stop Los Angeles Los Angeles

$2,782Qantas Airways

Tue, 1 Sep - Wed, 23 Sep

18:26 - 06:45DEN Denver Intl-MEL Melbourne

20h 19m1 stop Los Angeles Los Angeles

09:45 - 17:35MEL Melbourne-DEN Denver Intl

23h 50m1 stop Los Angeles Los Angeles

$2,784Qantas Airways

Tue, 1 Sep - Wed, 23 Sep

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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

$1,965

Air Canada

24 Nov

DEN19:00Denver Intl

20h 45m

1 stop

BNE08:45Brisbane

27 Nov

BNE10:45Brisbane

18h 35m

1 stop

DEN12:20Denver Intl

$1,987

Air Canada

14 Sept

DEN09:10Denver Intl

29h 55m

1 stop

BNE07:05Brisbane

6 Oct

BNE10:00Brisbane

38h 24m

2 stops

DEN08:24Denver Intl

$1,991

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

DEN16:05Denver Intl

25h 30m

2 stops

SYD10:35Sydney Kingsford Smith

11 Nov

SYD11:50Sydney Kingsford Smith

22h 22m

2 stops

DEN16:12Denver Intl

$1,588

Air New Zealand

26 Oct

DEN13:30Denver Intl

26h 05m

2 stops

SYD08:35Sydney Kingsford Smith

11 Nov

SYD11:50Sydney Kingsford Smith

27h 37m

2 stops

DEN21:27Denver Intl

$1,590

Air New Zealand

2 Nov

DEN16:05Denver Intl

26h 45m

2 stops

SYD12:50Sydney Kingsford Smith

25 Nov

SYD11:50Sydney Kingsford Smith

27h 37m

2 stops

DEN21:27Denver Intl

$1,591

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

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

$1,358

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Tue 22/9

13:10-10:25

2 stops29h 15m

Brisbane

Tue 29/9

11:35-23:44

3 stops28h 09m

$1,358

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 23/9

12:42-22:25

2 stops41h 43m

Sydney Kingsford Smith

Wed 30/9

13:15-23:44

3 stops26h 29m

$1,360

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

$1,360

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 22/9

13:10-22:25

2 stops41h 15m

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

Fri 23/10

13:10-12:35

2 stops30h 25m

Sydney Kingsford Smith

Wed 28/10

14:00-12:42

3 stops39h 42m

$1,391

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

$1,411

DenverMelbourne

DEN Denver Intl - MEL Melbourne

DENMEL

Denver Intl

Wed 2/12

06:25-12:25

2 stops36h 00m

Melbourne

Wed 9/12

13:45-23:28

2 stops27h 43m

$1,414

DenverMelbourne

DEN Denver Intl - MEL Melbourne

DENMEL

Denver Intl

Sat 24/10

15:14-05:00

1 stop20h 46m

Melbourne

Sat 7/11

12:00-14:18

1 stop20h 18m

$2,104

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

$2,394

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 $1,583. 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 $1,701.

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 $1,914 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 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	$524
Fastest flight time	23h 12m
Direct flights	None

The best one-way flight to Australia from Denver in the past 72 hours is $524. The best return flight deal from Denver to Australia found on momondo in the last 72 hours is $1,358.

The fastest flight from Denver to Australia takes 23h 12m

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.