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

Cathay Pacific, Air Canada, 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 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.

$687 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 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

24h 15m1 stop Los Angeles

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

43h 11m2 stops Nadi Los Angeles

$1,191Multiple Airlines

Wed, 28 Oct - Wed, 4 Nov

22:55 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

37h 30m1 stop Los Angeles

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

22h 03m2 stops Nadi Los Angeles

$1,200Multiple Airlines

Wed, 4 Nov - Thu, 12 Nov

22:55 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

37h 30m1 stop Los Angeles

14:00 - 17:35SYD Sydney Kingsford Smith-DEN Denver Intl

21h 35m2 stops Nadi Los Angeles

$1,200Multiple Airlines

Wed, 4 Nov - Tue, 10 Nov

13:10 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

24h 15m1 stop Los Angeles

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

43h 11m2 stops Nadi Los Angeles

$1,203Multiple Airlines

Wed, 28 Oct - Wed, 4 Nov

21:25 - 11:00DEN Denver Intl-HBA Hobart

43h 35m2 stops Los Angeles Auckland Intl

12:25 - 17:50HBA Hobart-DEN Denver Intl

23h 25m2 stops Auckland Intl Los Angeles

$1,768Air New Zealand

Sat, 23 Jan - Sun, 31 Jan

13:30 - 10:00DEN Denver Intl-BNE Brisbane

27h 30m2 stops Los Angeles Auckland Intl

08:20 - 20:00BNE Brisbane-DEN Denver Intl

28h 40m2 stops Auckland Intl San Francisco

$1,798Air New Zealand

Tue, 24 Nov - Fri, 27 Nov

21:15 - 11:00DEN Denver Intl-HBA Hobart

43h 45m2 stops Los Angeles Auckland Intl

12:25 - 19:30HBA Hobart-DEN Denver Intl

25h 05m2 stops Auckland Intl Los Angeles

$1,828Air New Zealand

Sat, 2 Jan - Sat, 23 Jan

19:59 - 09:00DEN Denver Intl-SYD Sydney Kingsford Smith

19h 01m1 stop Los Angeles

11:20 - 18:14SYD Sydney Kingsford Smith-DEN Denver Intl

24h 54m1 stop Los Angeles

$2,542Qantas Airways

Thu, 31 Dec - Fri, 8 Jan

07:00 - 08:05DEN Denver Intl-SYD Sydney Kingsford Smith

32h 05m1 stop Los Angeles

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

18h 11m1 stop Los Angeles

$2,571Qantas Airways

Wed, 7 Oct - Wed, 21 Oct

11:58 - 12:00DEN Denver Intl-DRW Darwin

32h 32m2 stops Los Angeles Brisbane

13:20 - 18:11DRW Darwin-DEN Denver Intl

44h 21m2 stops Melbourne Los Angeles

$3,838Qantas Airways

Sat, 24 Oct - Wed, 28 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

13:10 - 12:05DEN Denver Intl-MEL Melbourne

30h 55m2 stops Los Angeles Nadi

13:20 - 09:43MEL Melbourne-DEN Denver Intl

36h 23m3 stops Nadi Los Angeles Salt Lake City

$1,603Multiple Airlines

Sat, 12 Sep - Mon, 21 Sep

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

34h 45m2 stops Los Angeles Nadi

14:25 - 10:07SYD Sydney Kingsford Smith-DEN Denver Intl

35h 42m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$1,750Multiple Airlines

Sun, 13 Sep - Sun, 27 Sep

19:50 - 07:20DEN Denver Intl-SYD Sydney Kingsford Smith

19h 30m1 stop Vancouver Intl

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

24h 44m2 stops Vancouver Intl Edmonton

$1,815Air Canada

Sun, 13 Sep - Sun, 27 Sep

19:50 - 07:20DEN Denver Intl-SYD Sydney Kingsford Smith

19h 30m1 stop Vancouver Intl

09:20 - 16:58SYD Sydney Kingsford Smith-DEN Denver Intl

23h 38m1 stop Vancouver Intl

$1,816Air Canada

Sun, 13 Sep - Sun, 27 Sep

19:50 - 10:40DEN Denver Intl-SYD Sydney Kingsford Smith

22h 50m2 stops Vancouver Intl Brisbane

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

24h 44m2 stops Vancouver Intl Edmonton

$1,841Air Canada

Sun, 13 Sep - Sun, 27 Sep

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

26h 20m1 stop Los Angeles

14:25 - 15:05SYD Sydney Kingsford Smith-DEN Denver Intl

40h 40m2 stops Nadi Los Angeles

$1,847Multiple Airlines

Fri, 11 Sep - Sun, 27 Sep

22:39 - 07:30DEN Denver Intl-SYD Sydney Kingsford Smith

40h 51m1 stop Los Angeles

13:15 - 17:32SYD Sydney Kingsford Smith-DEN Denver Intl

44h 17m2 stops Nadi Los Angeles

$1,862Multiple Airlines

Tue, 8 Sep - Tue, 22 Sep

13:30 - 07:30DEN Denver Intl-MEL Melbourne

26h 00m1 stop Los Angeles

17:55 - 18:04MEL Melbourne-DEN Denver Intl

40h 09m2 stops Auckland Intl Los Angeles

$2,097Air New Zealand

Wed, 9 Sep - Thu, 1 Oct

05:00 - 11:05DEN Denver Intl-BNE Brisbane

38h 05m2 stops San Francisco Auckland Intl

14:25 - 12:14BNE Brisbane-DEN Denver Intl

37h 49m2 stops Sydney Kingsford Smith Los Angeles

$2,224Air New Zealand

Mon, 7 Sep - Wed, 16 Sep

11:40 - 07:05DEN Denver Intl-SYD Sydney Kingsford Smith

27h 25m1 stop Los Angeles

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

24h 25m1 stop Los Angeles

$3,450Qantas Airways

Tue, 8 Sep - Thu, 10 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

13 Sept

DEN19:50Denver Intl

19h 30m

1 stop

SYD07:20Sydney Kingsford Smith

27 Sept

SYD09:20Sydney Kingsford Smith

24h 44m

2 stops

DEN18:04Denver Intl

$1,815

Air Canada

13 Sept

DEN19:50Denver Intl

19h 30m

1 stop

SYD07:20Sydney Kingsford Smith

27 Sept

SYD09:20Sydney Kingsford Smith

23h 38m

1 stop

DEN16:58Denver Intl

$1,816

Air Canada

13 Sept

DEN19:50Denver Intl

22h 50m

2 stops

SYD10:40Sydney Kingsford Smith

27 Sept

SYD09:20Sydney Kingsford Smith

24h 44m

2 stops

DEN18:04Denver Intl

$1,841

Air New Zealand flights from Denver to Australia

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

Air New Zealand

2 Nov

DEN09:50Denver Intl

29h 05m

2 stops

MEL08:55Melbourne

23 Nov

MEL12:10Melbourne

23h 46m

2 stops

DEN17:56Denver Intl

$1,622

Air New Zealand

1 Nov

DEN09:50Denver Intl

31h 05m

2 stops

MEL10:55Melbourne

10 Nov

MEL10:20Melbourne

25h 36m

2 stops

DEN17:56Denver Intl

$1,624

Air New Zealand

21 Feb

DEN13:29Denver Intl

27h 26m

2 stops

MEL10:55Melbourne

28 Feb

MEL15:00Melbourne

44h 50m

2 stops

DEN17:50Denver Intl

$1,648

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 28/10

13:10-06:25

1 stop24h 15m

Sydney Kingsford Smith

Wed 4/11

14:00-15:11

2 stops43h 11m

$1,191

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 4/11

22:55-06:25

1 stop37h 30m

Sydney Kingsford Smith

Thu 12/11

14:00-18:03

2 stops22h 03m

$1,200

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 4/11

22:55-06:25

1 stop37h 30m

Sydney Kingsford Smith

Tue 10/11

14:00-17:35

2 stops21h 35m

$1,200

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 28/10

13:10-06:25

1 stop24h 15m

Sydney Kingsford Smith

Wed 4/11

14:00-15:11

2 stops43h 11m

$1,203

DenverHobart

DEN Denver Intl - HBA Hobart

DENHBA

Denver Intl

Sat 23/1

21:25-11:00

2 stops43h 35m

Hobart

Sun 31/1

12:25-17:50

2 stops23h 25m

$1,768

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Tue 24/11

13:30-10:00

2 stops27h 30m

Brisbane

Fri 27/11

08:20-20:00

2 stops28h 40m

$1,798

DenverHobart

DEN Denver Intl - HBA Hobart

DENHBA

Denver Intl

Sat 2/1

21:15-11:00

2 stops43h 45m

Hobart

Sat 23/1

12:25-19:30

2 stops25h 05m

$1,828

Fastest return journey

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Thu 31/12

19:59-09:00

1 stop19h 01m

Sydney Kingsford Smith

Fri 8/1

11:20-18:14

1 stop24h 54m

$2,542

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 7/10

07:00-08:05

1 stop32h 05m

Sydney Kingsford Smith

Wed 21/10

10:10-11:21

1 stop18h 11m

$2,571

DenverDarwin

DEN Denver Intl - DRW Darwin

DENDRW

Denver Intl

Sat 24/10

11:58-12:00

2 stops32h 32m

Darwin

Wed 28/10

13:20-18:11

2 stops44h 21m

$3,838

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 $1,571. 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 $1,694.

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 $1,913 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 $1,482 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	$687
Fastest flight time	22h 40m
Direct flights	None

The best one-way flight to Australia from Denver in the past 72 hours is $687. The best return flight deal from Denver to Australia found on momondo in the last 72 hours is $1,191.

The fastest flight from Denver to Australia takes 22h 40m

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 $1,252	Free cancellation	Rating 7.5 1,090 reviews		Search Qantas Airways flights
Air New Zealand	PriceFrom $2,151	Free cancellation	Rating 8.0 668 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.