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

Alaska Airlines, China Eastern, and ANA 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 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.

$760 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.

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

33h 23m2 stops Los Angeles Nadi

06:00 - 19:45SYD Sydney Kingsford Smith-DEN Denver Intl

31h 45m2 stops Nadi Los Angeles

$1,308Multiple Airlines

Mon, 7 Dec - Tue, 15 Dec

14:22 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

22h 03m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-DEN Denver Intl

24h 19m2 stops Nadi Los Angeles

$1,389Multiple Airlines

Wed, 3 Feb - Thu, 18 Feb

09:20 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

27h 05m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-DEN Denver Intl

24h 19m2 stops Nadi Los Angeles

$1,391Multiple Airlines

Tue, 23 Feb - Fri, 26 Feb

22:29 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

37h 56m1 stop Los Angeles

14:00 - 09:31SYD Sydney Kingsford Smith-DEN Denver Intl

37h 31m2 stops Nadi Los Angeles

$1,391Multiple Airlines

Wed, 3 Feb - Thu, 18 Feb

13:50 - 09:00DEN Denver Intl-SYD Sydney Kingsford Smith

25h 10m1 stop Los Angeles

07:05 - 18:16SYD Sydney Kingsford Smith-DEN Denver Intl

29h 11m2 stops Auckland Intl Los Angeles

$1,941Qantas Airways

Wed, 20 Jan - Mon, 1 Feb

13:50 - 09:00DEN Denver Intl-SYD Sydney Kingsford Smith

25h 10m1 stop Los Angeles

07:05 - 13:11SYD Sydney Kingsford Smith-DEN Denver Intl

24h 06m2 stops Auckland Intl Los Angeles

$1,941Qantas Airways

Wed, 20 Jan - Wed, 17 Feb

15:45 - 16:50DEN Denver Intl-PER Perth

35h 05m2 stops Los Angeles Auckland Intl

18:50 - 18:05PER Perth-DEN Denver Intl

37h 15m2 stops Auckland Intl San Francisco

$2,100Air New Zealand

Mon, 15 Mar - Mon, 22 Mar

20:55 - 16:50DEN Denver Intl-PER Perth

52h 55m2 stops San Francisco Auckland Intl

18:50 - 18:05PER Perth-DEN Denver Intl

37h 15m2 stops Auckland Intl San Francisco

$2,114Air New Zealand

Mon, 1 Mar - Mon, 15 Mar

07:50 - 16:50DEN Denver Intl-PER Perth

42h 00m2 stops Los Angeles Auckland Intl

23:50 - 10:25PER Perth-DEN Denver Intl

48h 35m2 stops Auckland Intl Los Angeles

$2,199Air New Zealand

Fri, 12 Mar - Sat, 20 Mar

13:29 - 18:25DEN Denver Intl-PER Perth

38h 56m3 stops Los Angeles Auckland Intl Sydney Kingsford Smith

05:00 - 22:29PER Perth-DEN Denver Intl

31h 29m3 stops Sydney Kingsford Smith Auckland Intl Los Angeles

$2,267Air New Zealand

Mon, 15 Mar - Mon, 22 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

05:00 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

33h 35m2 stops Houston George Bush Intcntl Auckland Intl

11:50 - 17:59SYD Sydney Kingsford Smith-DEN Denver Intl

24h 09m2 stops Auckland Intl San Francisco

$1,836Air New Zealand

Sun, 1 Nov - Sat, 14 Nov

05:00 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

33h 35m2 stops Houston George Bush Intcntl Auckland Intl

11:55 - 17:56SYD Sydney Kingsford Smith-DEN Denver Intl

24h 01m2 stops Auckland Intl Los Angeles

$1,837Air New Zealand

Thu, 5 Nov - Thu, 12 Nov

05:00 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

33h 35m2 stops Houston George Bush Intcntl Auckland Intl

11:50 - 17:59SYD Sydney Kingsford Smith-DEN Denver Intl

24h 09m2 stops Auckland Intl San Francisco

$1,837Air New Zealand

Sun, 1 Nov - Sat, 14 Nov

19:25 - 08:35DEN Denver Intl-SYD Sydney Kingsford Smith

43h 10m2 stops Houston George Bush Intcntl Auckland Intl

14:05 - 17:56SYD Sydney Kingsford Smith-DEN Denver Intl

21h 51m2 stops Auckland Intl Los Angeles

$1,850Air New Zealand

Sun, 1 Nov - Sat, 14 Nov

12:54 - 06:25DEN Denver Intl-SYD Sydney Kingsford Smith

23h 31m1 stop Los Angeles

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

22h 03m2 stops Nadi Los Angeles

$1,924Multiple Airlines

Thu, 5 Nov - Sun, 8 Nov

19:00 - 08:45DEN Denver Intl-BNE Brisbane

21h 45m1 stop Vancouver Intl

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

18h 58m1 stop Vancouver Intl

$2,287Air Canada

Sat, 31 Oct - Sun, 15 Nov

19:00 - 08:45DEN Denver Intl-BNE Brisbane

21h 45m1 stop Vancouver Intl

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

18h 58m1 stop Vancouver Intl

$2,290Air Canada

Sat, 31 Oct - Sun, 15 Nov

15:37 - 08:45DEN Denver Intl-BNE Brisbane

25h 08m2 stops San Francisco Vancouver Intl

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

18h 58m1 stop Vancouver Intl

$2,302Multiple Airlines

Sat, 31 Oct - Sun, 15 Nov

07:09 - 09:00DEN Denver Intl-SYD Sydney Kingsford Smith

31h 51m1 stop Los Angeles

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

18h 36m1 stop Los Angeles

$3,252Qantas Airways

Sun, 1 Nov - Sat, 7 Nov

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

20h 14m1 stop Los Angeles

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

18h 36m1 stop Los Angeles

$16,601Qantas Airways

Mon, 2 Nov - Fri, 6 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

14 Mar

DEN19:00Denver Intl

20h 35m

1 stop

SYD08:35Sydney Kingsford Smith

29 Mar

SYD10:20Sydney Kingsford Smith

25h 00m

1 stop

DEN18:20Denver Intl

$1,544

Air New Zealand

13 Mar

DEN08:15Denver Intl

31h 20m

1 stop

SYD09:35Sydney Kingsford Smith

28 Mar

SYD10:20Sydney Kingsford Smith

19h 09m

1 stop

DEN12:29Denver Intl

$1,601

Air New Zealand

13 Mar

DEN08:15Denver Intl

31h 20m

1 stop

SYD09:35Sydney Kingsford Smith

25 Mar

SYD10:20Sydney Kingsford Smith

19h 10m

1 stop

DEN12:30Denver Intl

$1,658

United Airlines flights from Denver to Australia

Our best United Airlines deals on Denver to Australia flight tickets

United Airlines

7 Nov

DEN19:20Denver Intl

19h 10m

1 stop

BNE07:30Brisbane

7 Dec

BNE07:55Brisbane

23h 32m

2 stops

DEN14:27Denver Intl

$2,938

United Airlines

1 Nov

DEN17:25Denver Intl

26h 15m

2 stops

CBR13:40Canberra

8 Dec

CBR06:30Canberra

25h 57m

2 stops

DEN14:27Denver Intl

$3,003

United Airlines

1 Nov

DEN19:20Denver Intl

24h 20m

2 stops

CBR13:40Canberra

7 Dec

CBR08:10Canberra

27h 44m

2 stops

DEN17:54Denver Intl

$3,008

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Mon 7/12

09:12-12:35

2 stops33h 23m

Sydney Kingsford Smith

Tue 15/12

06:00-19:45

2 stops31h 45m

$1,308

Fastest return journey

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 3/2

14:22-06:25

1 stop22h 03m

Sydney Kingsford Smith

Thu 18/2

14:00-20:19

2 stops24h 19m

$1,389

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 23/2

09:20-06:25

1 stop27h 05m

Sydney Kingsford Smith

Fri 26/2

14:00-20:19

2 stops24h 19m

$1,391

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 3/2

22:29-06:25

1 stop37h 56m

Sydney Kingsford Smith

Thu 18/2

14:00-09:31

2 stops37h 31m

$1,391

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 20/1

13:50-09:00

1 stop25h 10m

Sydney Kingsford Smith

Mon 1/2

07:05-18:16

2 stops29h 11m

$1,941

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 20/1

13:50-09:00

1 stop25h 10m

Sydney Kingsford Smith

Wed 17/2

07:05-13:11

2 stops24h 06m

$1,941

DenverPerth

DEN Denver Intl - PER Perth

DENPER

Denver Intl

Mon 15/3

15:45-16:50

2 stops35h 05m

Perth

Mon 22/3

18:50-18:05

2 stops37h 15m

$2,100

DenverPerth

DEN Denver Intl - PER Perth

DENPER

Denver Intl

Mon 1/3

20:55-16:50

2 stops52h 55m

Perth

Mon 15/3

18:50-18:05

2 stops37h 15m

$2,114

DenverPerth

DEN Denver Intl - PER Perth

DENPER

Denver Intl

Fri 12/3

07:50-16:50

2 stops42h 00m

Perth

Sat 20/3

23:50-10:25

2 stops48h 35m

$2,199

DenverPerth

DEN Denver Intl - PER Perth

DENPER

Denver Intl

Mon 15/3

13:29-18:25

3 stops38h 56m

Perth

Mon 22/3

05:00-22:29

3 stops31h 29m

$2,267

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 $1,639. 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 $1,684.

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 $1,960 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 $1,506 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	$760
Fastest flight time	22h 40m
Direct flights	None

The best one-way flight to Australia from Denver in the past 72 hours is $760. The best return flight deal from Denver to Australia found on momondo in the last 72 hours is $1,308.

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 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 $1,243	Free cancellation	Rating 7.5 1,121 reviews		Search Qantas Airways flights
Air New Zealand	PriceFrom $2,248	Free cancellation	Rating 8.0 679 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.