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

Alaska Airlines and United Airlines 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.

$692 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.

13:10 - 12:25DEN Denver Intl-MEL Melbourne

29h 15m2 stops Los Angeles Nadi

13:45 - 19:51MEL Melbourne-DEN Denver Intl

24h 06m2 stops Nadi Los Angeles

$1,327Multiple Airlines

Wed, 11 Nov - Wed, 2 Dec

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

29h 25m2 stops Los Angeles Nadi

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

37h 48m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$1,382Multiple Airlines

Mon, 9 Nov - Mon, 16 Nov

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

30h 25m2 stops Los Angeles Nadi

06:00 - 23:49SYD Sydney Kingsford Smith-DEN Denver Intl

35h 49m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$1,390Multiple Airlines

Mon, 26 Oct - Wed, 11 Nov

13:10 - 12:25DEN Denver Intl-MEL Melbourne

29h 15m2 stops Los Angeles Nadi

13:45 - 10:08MEL Melbourne-DEN Denver Intl

38h 23m3 stops Nadi Los Angeles San Francisco

$1,391Multiple Airlines

Wed, 11 Nov - Wed, 2 Dec

15:45 - 10:55DEN Denver Intl-MEL Melbourne

26h 10m2 stops Los Angeles Auckland Intl

08:15 - 17:50MEL Melbourne-DEN Denver Intl

26h 35m2 stops Auckland Intl Los Angeles

$1,661Air New Zealand

Mon, 15 Mar - Wed, 24 Mar

19:45 - 07:00DEN Denver Intl-BNE Brisbane

42h 15m2 stops Los Angeles Auckland Intl

18:10 - 19:30BNE Brisbane-DEN Denver Intl

42h 20m2 stops Auckland Intl Los Angeles

$1,674Air New Zealand

Sat, 30 Jan - Sat, 13 Feb

11:24 - 07:00DEN Denver Intl-BNE Brisbane

26h 36m2 stops Los Angeles Auckland Intl

11:15 - 19:30BNE Brisbane-DEN Denver Intl

25h 15m2 stops Auckland Intl Los Angeles

$1,686Air New Zealand

Wed, 17 Feb - Fri, 26 Feb

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

20h 14m1 stop Los Angeles

11:10 - 11:45SYD Sydney Kingsford Smith-DEN Denver Intl

18h 35m1 stop Los Angeles

$2,333Qantas Airways

Tue, 17 Nov - Tue, 1 Dec

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

20h 14m1 stop Los Angeles

11:10 - 11:45SYD Sydney Kingsford Smith-DEN Denver Intl

18h 35m1 stop Los Angeles

$2,355Qantas Airways

Sun, 15 Nov - Mon, 30 Nov

18:51 - 13:10DEN Denver Intl-CBR Canberra

24h 19m2 stops Los Angeles Melbourne

06:10 - 11:44CBR Canberra-DEN Denver Intl

23h 34m2 stops Sydney Kingsford Smith Los Angeles

$2,668Qantas Airways

Tue, 1 Dec - Sat, 12 Dec

Cheap last-minute 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 Nadi

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

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

$1,486Multiple Airlines

Sat, 26 Sep - Tue, 3 Nov

13:18 - 11:50DEN Denver Intl-SYD Sydney Kingsford Smith

30h 32m3 stops Phoenix Sky Harbor Intl Los Angeles Nadi

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

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

$1,528Multiple Airlines

Sat, 26 Sep - Tue, 3 Nov

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

30h 40m2 stops Los Angeles Nadi

14:15 - 09:10SYD Sydney Kingsford Smith-DEN Denver Intl

35h 55m3 stops Nadi Los Angeles Phoenix Sky Harbor Intl

$1,560Multiple Airlines

Sat, 26 Sep - Fri, 16 Oct

13:18 - 11:50DEN Denver Intl-SYD Sydney Kingsford Smith

30h 32m3 stops Phoenix Sky Harbor Intl Los Angeles Nadi

14:15 - 09:10SYD Sydney Kingsford Smith-DEN Denver Intl

35h 55m3 stops Nadi Los Angeles Phoenix Sky Harbor Intl

$1,609Multiple Airlines

Sat, 26 Sep - Fri, 16 Oct

21:18 - 07:30DEN Denver Intl-MEL Melbourne

42h 12m1 stop Los Angeles

19:10 - 22:27MEL Melbourne-DEN Denver Intl

44h 17m2 stops Auckland Intl Los Angeles

$2,198Air New Zealand

Thu, 1 Oct - Sat, 31 Oct

21:18 - 07:30DEN Denver Intl-MEL Melbourne

42h 12m1 stop Los Angeles

12:10 - 17:56MEL Melbourne-DEN Denver Intl

22h 46m2 stops Auckland Intl Los Angeles

$2,813Air New Zealand

Thu, 1 Oct - Sat, 31 Oct

11:06 - 07:05DEN Denver Intl-SYD Sydney Kingsford Smith

27h 59m1 stop Los Angeles

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

18h 11m1 stop Los Angeles

$2,934Qantas Airways

Thu, 1 Oct - Thu, 15 Oct

11:06 - 07:05DEN Denver Intl-SYD Sydney Kingsford Smith

27h 59m1 stop Los Angeles

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

24h 25m1 stop Los Angeles

$3,310Qantas Airways

Tue, 29 Sep - Thu, 1 Oct

13:30 - 15:00DEN Denver Intl-PER Perth

35h 30m2 stops Houston George Bush Intcntl Auckland Intl

17:20 - 17:56PER Perth-DEN Denver Intl

39h 36m3 stops Melbourne Auckland Intl Los Angeles

$3,487Air New Zealand

Sat, 26 Sep - Sun, 8 Nov

13:30 - 15:00DEN Denver Intl-PER Perth

35h 30m2 stops Houston George Bush Intcntl Auckland Intl

17:20 - 17:56PER Perth-DEN Denver Intl

39h 36m3 stops Melbourne Auckland Intl Los Angeles

$3,515Air New Zealand

Sat, 26 Sep - Sun, 8 Nov

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

1 Feb

DEN13:29Denver Intl

27h 06m

2 stops

SYD10:35Sydney Kingsford Smith

17 Feb

SYD14:05Sydney Kingsford Smith

25h 56m

2 stops

DEN22:01Denver Intl

$1,620

Air New Zealand

2 Nov

DEN13:30Denver Intl

25h 25m

2 stops

MEL08:55Melbourne

23 Nov

MEL08:15Melbourne

32h 00m

2 stops

DEN22:15Denver Intl

$1,663

Air New Zealand

25 Oct

DEN07:55Denver Intl

31h 40m

2 stops

SYD08:35Sydney Kingsford Smith

8 Nov

SYD19:25Sydney Kingsford Smith

40h 31m

2 stops

DEN17:56Denver Intl

$1,670

American Airlines flights from Denver to Australia

Our best American Airlines deals on Denver to Australia flight tickets

American Airlines

26 Sept

DEN18:11Denver Intl

20h 54m

1 stop

SYD07:05Sydney Kingsford Smith

3 Oct

SYD17:50Sydney Kingsford Smith

20h 51m

1 stop

DEN22:41Denver Intl

$1,801

American Airlines

26 Sept

DEN11:06Denver Intl

28h 24m

1 stop

SYD07:30Sydney Kingsford Smith

3 Oct

SYD09:10Sydney Kingsford Smith

22h 56m

2 stops

DEN16:06Denver Intl

$1,807

American Airlines

26 Sept

DEN12:17Denver Intl

26h 48m

2 stops

SYD07:05Sydney Kingsford Smith

3 Oct

SYD09:10Sydney Kingsford Smith

22h 56m

2 stops

DEN16:06Denver Intl

$1,808

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverMelbourne

DEN Denver Intl - MEL Melbourne

DENMEL

Denver Intl

Wed 11/11

13:10-12:25

2 stops29h 15m

Melbourne

Wed 2/12

13:45-19:51

2 stops24h 06m

$1,327

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 9/11

13:10-12:35

2 stops29h 25m

Sydney Kingsford Smith

Mon 16/11

14:00-09:48

3 stops37h 48m

$1,382

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 26/10

13:10-12:35

2 stops30h 25m

Sydney Kingsford Smith

Wed 11/11

06:00-23:49

3 stops35h 49m

$1,390

DenverMelbourne

DEN Denver Intl - MEL Melbourne

DENMEL

Denver Intl

Wed 11/11

13:10-12:25

2 stops29h 15m

Melbourne

Wed 2/12

13:45-10:08

3 stops38h 23m

$1,391

DenverMelbourne

DEN Denver Intl - MEL Melbourne

DENMEL

Denver Intl

Mon 15/3

15:45-10:55

2 stops26h 10m

Melbourne

Wed 24/3

08:15-17:50

2 stops26h 35m

$1,661

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Sat 30/1

19:45-07:00

2 stops42h 15m

Brisbane

Sat 13/2

18:10-19:30

2 stops42h 20m

$1,674

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Wed 17/2

11:24-07:00

2 stops26h 36m

Brisbane

Fri 26/2

11:15-19:30

2 stops25h 15m

$1,686

Fastest return journey

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 17/11

18:46-09:00

1 stop20h 14m

Sydney Kingsford Smith

Tue 1/12

11:10-11:45

1 stop18h 35m

$2,333

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sun 15/11

18:46-09:00

1 stop20h 14m

Sydney Kingsford Smith

Mon 30/11

11:10-11:45

1 stop18h 35m

$2,355

DenverCanberra

DEN Denver Intl - CBR Canberra

DENCBR

Denver Intl

Tue 1/12

18:51-13:10

2 stops24h 19m

Canberra

Sat 12/12

06:10-11:44

2 stops23h 34m

$2,668

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 $1,612. 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 $1,714.

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 $1,946 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 $1,511 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	$692
Fastest flight time	19h 01m
Direct flights	None

The best one-way flight to Australia from Denver in the past 72 hours is $692. The best return flight deal from Denver to Australia found on momondo in the last 72 hours is $1,327.

The fastest flight from Denver to Australia takes 19h 01m

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 $1,285	Free cancellation	Rating 7.5 1,103 reviews		Search Qantas Airways flights
Air New Zealand	PriceFrom $2,253	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.