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

Cathay Pacific is the most popular carrier 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 October 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.

$847 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.

12:54 - 12:35DEN Denver Intl-SYD Sydney Kingsford Smith

29h 41m2 stops Los Angeles Nadi

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

22h 03m2 stops Nadi Los Angeles

$1,549Multiple Airlines

Fri, 6 Nov - Thu, 19 Nov

12:54 - 12:35DEN Denver Intl-SYD Sydney Kingsford Smith

29h 41m2 stops Los Angeles Nadi

14:00 - 07:42SYD Sydney Kingsford Smith-DEN Denver Intl

35h 42m3 stops Nadi Los Angeles Salt Lake City

$1,573Multiple Airlines

Fri, 6 Nov - Thu, 19 Nov

09:10 - 12:35DEN Denver Intl-SYD Sydney Kingsford Smith

33h 25m2 stops Los Angeles Nadi

14:00 - 23:53SYD Sydney Kingsford Smith-DEN Denver Intl

27h 53m3 stops Nadi Los Angeles Phoenix Sky Harbor Intl

$1,583Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

09:10 - 12:35DEN Denver Intl-SYD Sydney Kingsford Smith

33h 25m2 stops Los Angeles Nadi

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

22h 03m2 stops Nadi Los Angeles

$1,595Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

11:31 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

27h 04m2 stops Los Angeles Auckland Intl

11:50 - 19:30SYD Sydney Kingsford Smith-DEN Denver Intl

25h 40m2 stops Auckland Intl Los Angeles

$1,606Air New Zealand

Mon, 1 Feb - Wed, 17 Feb

15:45 - 10:00DEN Denver Intl-BNE Brisbane

25h 15m2 stops Los Angeles Auckland Intl

08:20 - 21:52BNE Brisbane-DEN Denver Intl

30h 32m2 stops Auckland Intl Houston George Bush Intcntl

$1,672Air New Zealand

Sat, 13 Feb - Mon, 1 Mar

15:55 - 10:00DEN Denver Intl-BNE Brisbane

25h 05m2 stops Los Angeles Auckland Intl

11:15 - 21:38BNE Brisbane-DEN Denver Intl

27h 23m2 stops Auckland Intl Los Angeles

$1,672Air New Zealand

Wed, 2 Dec - Thu, 24 Dec

13:25 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

25h 10m2 stops Los Angeles Auckland Intl

14:05 - 17:57SYD Sydney Kingsford Smith-DEN Denver Intl

21h 52m2 stops Auckland Intl Los Angeles

$1,673Air New Zealand

Wed, 3 Feb - Wed, 10 Feb

19:09 - 09:00DEN Denver Intl-SYD Sydney Kingsford Smith

19h 51m1 stop Los Angeles

17:50 - 12:58SYD Sydney Kingsford Smith-DEN Denver Intl

37h 08m2 stops Auckland Intl Los Angeles

$1,854Qantas Airways

Tue, 16 Feb - Mon, 22 Feb

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

20h 14m1 stop Los Angeles

07:05 - 13:20SYD Sydney Kingsford Smith-DEN Denver Intl

24h 15m2 stops Auckland Intl Los Angeles

$1,951Qantas Airways

Sun, 31 Jan - Sun, 7 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

19:50 - 08:20DEN Denver Intl-SYD Sydney Kingsford Smith

19h 30m1 stop Vancouver Intl

11:20 - 19:03SYD Sydney Kingsford Smith-DEN Denver Intl

24h 43m2 stops Vancouver Intl Edmonton

$1,980Air Canada

Sun, 18 Oct - Sun, 1 Nov

19:50 - 08:20DEN Denver Intl-SYD Sydney Kingsford Smith

19h 30m1 stop Vancouver Intl

11:20 - 17:26SYD Sydney Kingsford Smith-DEN Denver Intl

23h 06m1 stop Vancouver Intl

$1,981Air Canada

Sun, 18 Oct - Sun, 1 Nov

19:50 - 11:40DEN Denver Intl-SYD Sydney Kingsford Smith

22h 50m2 stops Vancouver Intl Brisbane

11:20 - 19:03SYD Sydney Kingsford Smith-DEN Denver Intl

24h 43m2 stops Vancouver Intl Edmonton

$2,000Multiple Airlines

Sun, 18 Oct - Sun, 1 Nov

19:50 - 07:05DEN Denver Intl-BNE Brisbane

19h 15m1 stop Vancouver Intl

10:45 - 12:43BNE Brisbane-DEN Denver Intl

18h 58m1 stop Vancouver Intl

$2,141Air Canada

Sun, 18 Oct - Sun, 8 Nov

13:10 - 07:30DEN Denver Intl-SYD Sydney Kingsford Smith

25h 20m1 stop Los Angeles

14:00 - 15:11SYD Sydney Kingsford Smith-DEN Denver Intl

42h 11m2 stops Nadi Los Angeles

$2,157Multiple Airlines

Sun, 18 Oct - Wed, 28 Oct

13:10 - 07:30DEN Denver Intl-SYD Sydney Kingsford Smith

25h 20m1 stop Los Angeles

11:30 - 09:40SYD Sydney Kingsford Smith-DEN Denver Intl

39h 10m2 stops Manila Ninoy Aquino Intl San Francisco

$2,161Multiple Airlines

Sun, 18 Oct - Mon, 26 Oct

13:10 - 07:30DEN Denver Intl-SYD Sydney Kingsford Smith

25h 20m1 stop Los Angeles

11:30 - 09:40SYD Sydney Kingsford Smith-DEN Denver Intl

39h 10m2 stops Manila Ninoy Aquino Intl San Francisco

$2,161Multiple Airlines

Sun, 18 Oct - Tue, 27 Oct

19:50 - 07:05DEN Denver Intl-BNE Brisbane

19h 15m1 stop Vancouver Intl

06:35 - 12:43BNE Brisbane-DEN Denver Intl

23h 08m2 stops Sydney Kingsford Smith Vancouver Intl

$2,174Air Canada

Sun, 18 Oct - Sun, 8 Nov

13:10 - 07:30DEN Denver Intl-SYD Sydney Kingsford Smith

25h 20m1 stop Los Angeles

10:45 - 09:46SYD Sydney Kingsford Smith-DEN Denver Intl

40h 01m2 stops Manila Ninoy Aquino Intl San Francisco

$2,187Multiple Airlines

Sun, 18 Oct - Sun, 25 Oct

18:42 - 08:05DEN Denver Intl-SYD Sydney Kingsford Smith

20h 23m1 stop Los Angeles

11:10 - 12:46SYD Sydney Kingsford Smith-DEN Denver Intl

18h 36m1 stop Los Angeles

$2,804Qantas Airways

Sun, 18 Oct - Sun, 1 Nov

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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

1 Feb

DEN11:31Denver Intl

27h 04m

2 stops

SYD08:35Sydney Kingsford Smith

17 Feb

SYD11:50Sydney Kingsford Smith

25h 40m

2 stops

DEN19:30Denver Intl

$1,606

Air New Zealand

2 Dec

DEN15:55Denver Intl

25h 05m

2 stops

BNE10:00Brisbane

24 Dec

BNE11:15Brisbane

27h 23m

2 stops

DEN21:38Denver Intl

$1,672

Air New Zealand

3 Feb

DEN13:25Denver Intl

25h 10m

2 stops

SYD08:35Sydney Kingsford Smith

10 Feb

SYD14:05Sydney Kingsford Smith

21h 52m

2 stops

DEN17:57Denver Intl

$1,673

Air Canada flights from Denver to Australia

Our best Air Canada deals on Denver to Australia flight tickets

Air Canada

18 Oct

DEN19:50Denver Intl

19h 30m

1 stop

SYD08:20Sydney Kingsford Smith

1 Nov

SYD11:20Sydney Kingsford Smith

24h 43m

2 stops

DEN19:03Denver Intl

$1,980

Air Canada

18 Oct

DEN19:50Denver Intl

19h 30m

1 stop

SYD08:20Sydney Kingsford Smith

1 Nov

SYD11:20Sydney Kingsford Smith

23h 06m

1 stop

DEN17:26Denver Intl

$1,981

Air Canada

18 Oct

DEN19:50Denver Intl

19h 15m

1 stop

BNE07:05Brisbane

8 Nov

BNE10:45Brisbane

18h 58m

1 stop

DEN12:43Denver Intl

$2,141

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 6/11

12:54-12:35

2 stops29h 41m

Sydney Kingsford Smith

Thu 19/11

14:00-18:03

2 stops22h 03m

$1,549

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Fri 6/11

12:54-12:35

2 stops29h 41m

Sydney Kingsford Smith

Thu 19/11

14:00-07:42

3 stops35h 42m

$1,573

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 2/11

09:10-12:35

2 stops33h 25m

Sydney Kingsford Smith

Mon 16/11

14:00-23:53

3 stops27h 53m

$1,583

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 2/11

09:10-12:35

2 stops33h 25m

Sydney Kingsford Smith

Mon 16/11

14:00-18:03

2 stops22h 03m

$1,595

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 1/2

11:31-08:35

2 stops27h 04m

Sydney Kingsford Smith

Wed 17/2

11:50-19:30

2 stops25h 40m

$1,606

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Sat 13/2

15:45-10:00

2 stops25h 15m

Brisbane

Mon 1/3

08:20-21:52

2 stops30h 32m

$1,672

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Wed 2/12

15:55-10:00

2 stops25h 05m

Brisbane

Thu 24/12

11:15-21:38

2 stops27h 23m

$1,672

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 3/2

13:25-08:35

2 stops25h 10m

Sydney Kingsford Smith

Wed 10/2

14:05-17:57

2 stops21h 52m

$1,673

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 16/2

19:09-09:00

1 stop19h 51m

Sydney Kingsford Smith

Mon 22/2

17:50-12:58

2 stops37h 08m

$1,854

Fastest return journey

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sun 31/1

18:46-09:00

1 stop20h 14m

Sydney Kingsford Smith

Sun 7/2

07:05-13:20

2 stops24h 15m

$1,951

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 $1,652. 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 $1,696.

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 $1,956 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 $1,471 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	$847
Fastest flight time	18h 56m
Direct flights	None

The best one-way flight to Australia from Denver in the past 72 hours is $847. The best return flight deal from Denver to Australia found on momondo in the last 72 hours is $1,549.

The fastest flight from Denver to Australia takes 18h 56m

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 October 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 $1,253	Free cancellation	Rating 7.5 1,109 reviews		Search Qantas Airways flights
Air New Zealand	PriceFrom $2,265	Free cancellation	Rating 8.0 671 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.