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

Air New Zealand 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 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.

$647 Cheap Flights from Denver to Australia in 2026

1 adult

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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.

11:50 - 12:35

DEN

SYD

30h 45m

2 stops

06:00 - 00:30

SYD

DEN

36h 30m

2 stops

$1,255Multiple Airlines

Sat, 28 Feb - Sat, 7 Mar

11:50 - 10:35

DEN

BNE

29h 45m

2 stops

11:50 - 00:30

BNE

DEN

29h 40m

2 stops

$1,261Multiple Airlines

Sat, 28 Feb - Sat, 7 Mar

11:50 - 12:35

DEN

SYD

30h 45m

2 stops

14:00 - 00:30

SYD

DEN

28h 30m

2 stops

$1,297Multiple Airlines

Sat, 28 Feb - Sat, 7 Mar

19:05 - 08:45

DEN

BNE

20h 40m

1 stop

10:45 - 07:54

BNE

DEN

38h 09m

2 stops

$1,397Air Canada

Sun, 1 Mar - Sun, 8 Mar

19:05 - 08:45

DEN

BNE

20h 40m

1 stop

10:45 - 11:37

BNE

DEN

17h 52m

1 stop

$1,417Air Canada

Sun, 1 Mar - Sun, 8 Mar

09:58 - 07:05

DEN

BNE

29h 07m

2 stops

10:00 - 23:12

BNE

DEN

29h 12m

1 stop

$1,472Asiana Airlines

Tue, 9 Jun - Tue, 23 Jun

12:59 - 09:00

DEN

SYD

26h 01m

1 stop

07:05 - 12:29

SYD

DEN

23h 24m

2 stops

$1,617Qantas Airways

Thu, 12 Feb - Thu, 19 Feb

19:23 - 09:30

DEN

MEL

20h 07m

1 stop

06:45 - 12:34

MEL

DEN

23h 49m

2 stops

$1,659Qantas Airways

Wed, 11 Feb - Wed, 18 Feb

17:47 - 08:45

DEN

SYD

21h 58m

2 stops

11:45 - 18:22

SYD

DEN

23h 37m

2 stops

$1,672Air New Zealand

Tue, 10 Mar - Tue, 24 Mar

15:54 - 10:30

DEN

SYD

24h 36m

2 stops

09:55 - 18:22

SYD

DEN

25h 27m

2 stops

$1,674Air New Zealand

Tue, 3 Mar - Tue, 10 Mar

Qantas Airways flights from Denver to Australia

Our best Qantas Airways deals on Denver to Australia flight tickets

Qantas Airways

12 Feb

DEN12:59Denver Intl

26h 01m

1 stop

SYD09:00Sydney Kingsford Smith

19 Feb

SYD07:05Sydney Kingsford Smith

23h 24m

2 stops

DEN12:29Denver Intl

$1,617

Qantas Airways

11 Feb

DEN19:23Denver Intl

20h 07m

1 stop

MEL09:30Melbourne

18 Feb

MEL06:45Melbourne

23h 49m

2 stops

DEN12:34Denver Intl

$1,659

Qantas Airways

11 Feb

DEN19:23Denver Intl

19h 37m

1 stop

SYD09:00Sydney Kingsford Smith

18 Feb

SYD07:05Sydney Kingsford Smith

30h 09m

2 stops

DEN19:14Denver Intl

$1,671

Air New Zealand flights from Denver to Australia

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

Air New Zealand

10 Mar

DEN17:47Denver Intl

21h 58m

2 stops

SYD08:45Sydney Kingsford Smith

24 Mar

SYD11:45Sydney Kingsford Smith

23h 37m

2 stops

DEN18:22Denver Intl

$1,672

Air New Zealand

3 Mar

DEN15:54Denver Intl

24h 36m

2 stops

SYD10:30Sydney Kingsford Smith

10 Mar

SYD09:55Sydney Kingsford Smith

25h 27m

2 stops

DEN18:22Denver Intl

$1,674

Air New Zealand

25 Apr

DEN21:00Denver Intl

45h 55m

2 stops

MEL10:55Melbourne

31 May

MEL12:10Melbourne

25h 51m

2 stops

DEN22:01Denver Intl

$1,686

Fly from

Fly to

Route

Depart

Return

Price

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 28/2

11:50-12:35

2 stops30h 45m

Sydney Kingsford Smith

Sat 7/3

06:00-00:30

2 stops36h 30m

$1,255

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sat 28/2

11:50-10:35

2 stops29h 45m

Brisbane

Sat 7/3

11:50-00:30

2 stops29h 40m

$1,261

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 28/2

11:50-12:35

2 stops30h 45m

Sydney Kingsford Smith

Sat 7/3

14:00-00:30

2 stops28h 30m

$1,297

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 1/3

19:05-08:45

1 stop20h 40m

Brisbane

Sun 8/3

10:45-07:54

2 stops38h 09m

$1,397

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 1/3

19:05-08:45

1 stop20h 40m

Brisbane

Sun 8/3

10:45-11:37

1 stop17h 52m

$1,417

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Tue 9/6

09:58-07:05

2 stops29h 07m

Brisbane

Tue 23/6

10:00-23:12

1 stop29h 12m

$1,472

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 12/2

12:59-09:00

1 stop26h 01m

Sydney Kingsford Smith

Thu 19/2

07:05-12:29

2 stops23h 24m

$1,617

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Wed 11/2

19:23-09:30

1 stop20h 07m

Melbourne

Wed 18/2

06:45-12:34

2 stops23h 49m

$1,659

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 10/3

17:47-08:45

2 stops21h 58m

Sydney Kingsford Smith

Tue 24/3

11:45-18:22

2 stops23h 37m

$1,672

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 3/3

15:54-10:30

2 stops24h 36m

Sydney Kingsford Smith

Tue 10/3

09:55-18:22

2 stops25h 27m

$1,674

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 $1,294. 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 $1,350.

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 $1,691 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 $1,500 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 $988	Free cancellation	Rating 7.5 971 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.