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

Cathay Pacific, Air New Zealand, 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 is 1 operator available for flights from Denver Intl Airport to Australia as of January 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.

$618 Cheap Flights from Denver to Australia in 2026

1 adult

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Denver to Australia

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

21:31 - 07:25

DEN

SYD

39h 54m

1 stop

14:00 - 00:30

SYD

DEN

27h 30m

2 stops

$1,355Multiple Airlines

Wed, 4 Mar - Wed, 11 Mar

21:31 - 07:25

DEN

SYD

39h 54m

1 stop

14:00 - 09:44

SYD

DEN

36h 44m

2 stops

$1,388Multiple Airlines

Wed, 4 Mar - Tue, 17 Mar

11:30 - 07:25

DEN

SYD

25h 55m

1 stop

14:00 - 09:49

SYD

DEN

37h 49m

2 stops

$1,407Multiple Airlines

Tue, 10 Feb - Mon, 23 Feb

06:00 - 09:30

DEN

MEL

33h 30m

1 stop

13:55 - 09:49

MEL

DEN

37h 54m

2 stops

$1,407Multiple Airlines

Mon, 16 Feb - Mon, 23 Feb

19:05 - 07:05

DEN

BNE

20h 00m

1 stop

10:00 - 12:38

BNE

DEN

18h 38m

1 stop

$1,416Air Canada

Mon, 6 Apr - Mon, 20 Apr

19:50 - 07:05

DEN

BNE

19h 15m

1 stop

10:00 - 08:55

BNE

DEN

38h 55m

2 stops

$1,425EVA Air

Tue, 9 Jun - Tue, 14 Jul

16:11 - 07:05

DEN

BNE

22h 54m

1 stop

10:00 - 16:03

BNE

DEN

22h 03m

2 stops

$1,433Air Canada

Mon, 6 Apr - Mon, 20 Apr

19:52 - 23:55

DEN

PER

38h 03m

2 stops

01:10 - 21:49

PER

DEN

34h 39m

2 stops

$2,123Singapore Airlines

Mon, 9 Mar - Wed, 29 Apr

12:53 - 13:55

DEN

HBA

31h 02m

2 stops

16:15 - 12:34

HBA

DEN

38h 19m

2 stops

$2,152Qantas Airways

Mon, 9 Feb - Mon, 16 Feb

12:53 - 12:15

DEN

CBR

29h 22m

2 stops

17:45 - 12:34

CBR

DEN

36h 49m

2 stops

$2,155Qantas Airways

Mon, 9 Feb - Mon, 16 Feb

Qantas Airways flights from Denver to Australia

Our best Qantas Airways deals on Denver to Australia flight tickets

Qantas Airways

1 Feb

DEN19:23Denver Intl

19h 37m

1 stop

SYD09:00Sydney Kingsford Smith

15 Feb

SYD11:20Sydney Kingsford Smith

19h 09m

1 stop

DEN12:29Denver Intl

$1,951

Qantas Airways

1 Feb

DEN19:23Denver Intl

19h 37m

1 stop

SYD09:00Sydney Kingsford Smith

13 Feb

SYD11:20Sydney Kingsford Smith

26h 14m

1 stop

DEN19:34Denver Intl

$2,080

Qantas Airways

1 Feb

DEN12:53Denver Intl

26h 07m

1 stop

SYD09:00Sydney Kingsford Smith

13 Feb

SYD11:20Sydney Kingsford Smith

19h 09m

1 stop

DEN12:29Denver Intl

$2,082

United Airlines flights from Denver to Australia

Our best United Airlines deals on Denver to Australia flight tickets

United Airlines

2 Feb

DEN15:48Denver Intl

23h 42m

1 stop

MEL09:30Melbourne

16 Feb

MEL13:00Melbourne

21h 34m

1 stop

DEN16:34Denver Intl

$2,031

United Airlines

2 Feb

DEN15:58Denver Intl

20h 22m

1 stop

SYD06:20Sydney Kingsford Smith

15 Feb

SYD11:20Sydney Kingsford Smith

19h 08m

1 stop

DEN12:28Denver Intl

$2,041

United Airlines

1 Feb

DEN13:35Denver Intl

25h 30m

2 stops

SYD09:05Sydney Kingsford Smith

13 Feb

SYD12:10Sydney Kingsford Smith

18h 08m

1 stop

DEN12:18Denver Intl

$2,101

Fly from

Fly to

Route

Depart

Return

Price

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 4/3

21:31-07:25

1 stop39h 54m

Sydney Kingsford Smith

Wed 11/3

14:00-00:30

2 stops27h 30m

$1,355

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 4/3

21:31-07:25

1 stop39h 54m

Sydney Kingsford Smith

Tue 17/3

14:00-09:44

2 stops36h 44m

$1,388

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 10/2

11:30-07:25

1 stop25h 55m

Sydney Kingsford Smith

Mon 23/2

14:00-09:49

2 stops37h 49m

$1,407

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Mon 16/2

06:00-09:30

1 stop33h 30m

Melbourne

Mon 23/2

13:55-09:49

2 stops37h 54m

$1,407

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Mon 6/4

19:05-07:05

1 stop20h 00m

Brisbane

Mon 20/4

10:00-12:38

1 stop18h 38m

$1,416

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Tue 9/6

19:50-07:05

1 stop19h 15m

Brisbane

Tue 14/7

10:00-08:55

2 stops38h 55m

$1,425

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Mon 6/4

16:11-07:05

1 stop22h 54m

Brisbane

Mon 20/4

10:00-16:03

2 stops22h 03m

$1,433

DenverPerth

DEN - PER

DENPER

Denver Intl

Mon 9/3

19:52-23:55

2 stops38h 03m

Perth

Wed 29/4

01:10-21:49

2 stops34h 39m

$2,123

DenverHobart

DEN - HBA

DENHBA

Denver Intl

Mon 9/2

12:53-13:55

2 stops31h 02m

Hobart

Mon 16/2

16:15-12:34

2 stops38h 19m

$2,152

DenverCanberra

DEN - CBR

DENCBR

Denver Intl

Mon 9/2

12:53-12:15

2 stops29h 22m

Canberra

Mon 16/2

17:45-12:34

2 stops36h 49m

$2,155

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 $1,295. If you don’t want to visit Australia in April, then you should wait until March to fly from Denver, when ticket prices are also cheap, with an average price of $1,352.

How far in advance should I book a flight 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 $1,698 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 $1,501 on momondo.

Can stopping save me money on Denver to Australia flights?

You could potentially save up to 17% 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

Fastest flight time	19h 15m
Direct flights	None

The fastest flight from Denver to Australia takes 19h 15m

There are no direct flights from Denver to Australia. There are no popular flight routes from Denver to Australia.

Search flight deals

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 January 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 $1,230	Free cancellation	Rating 7.5 973 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.