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

Air Canada, Qatar Airways, and Alaska Airlines 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 July 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.

$688 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.

22:39 - 11:50

DEN

SYD

45h 11m

2 stops

13:15 - 21:30

SYD

DEN

24h 15m

2 stops

$1,370Multiple Airlines

Tue, 25 Aug - Tue, 15 Sep

22:39 - 11:50

DEN

SYD

45h 11m

2 stops

14:00 - 18:12

SYD

DEN

22h 12m

2 stops

$1,371Multiple Airlines

Tue, 8 Sep - Wed, 18 Nov

12:02 - 10:35

DEN

BNE

30h 33m

2 stops

11:35 - 21:30

BNE

DEN

25h 55m

2 stops

$1,457Multiple Airlines

Sun, 20 Sep - Wed, 30 Sep

15:57 - 10:55

DEN

ADL

27h 28m

2 stops

19:10 - 18:10

ADL

DEN

38h 30m

2 stops

$2,183Air New Zealand

Mon, 14 Sep - Sun, 27 Sep

15:57 - 10:55

DEN

ADL

27h 28m

2 stops

19:10 - 18:10

ADL

DEN

38h 30m

2 stops

$2,185Air New Zealand

Mon, 14 Sep - Sun, 27 Sep

11:35 - 13:55

DEN

ADL

33h 50m

3 stops

06:10 - 19:13

ADL

DEN

29h 33m

2 stops

$2,303Air Canada

Thu, 15 Oct - Sun, 1 Nov

11:35 - 13:55

DEN

ADL

33h 50m

3 stops

06:10 - 19:13

ADL

DEN

29h 33m

2 stops

$2,304Air Canada

Thu, 15 Oct - Sun, 1 Nov

18:56 - 18:45

DEN

PER

57h 49m

2 stops

22:45 - 22:21

PER

DEN

37h 36m

2 stops

$2,363Qatar Airways

Thu, 22 Oct - Wed, 28 Oct

18:26 - 15:50

DEN

TSV

29h 24m

3 stops

15:30 - 23:57

TSV

DEN

24h 27m

2 stops

$3,281Qantas Airways

Mon, 10 Aug - Mon, 24 Aug

11:44 - 23:55

DEN

DRW

68h 41m

3 stops

17:35 - 23:50

DRW

DEN

45h 45m

3 stops

$4,155Qatar Airways

Tue, 21 Jul - Sat, 25 Jul

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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

23 Nov

DEN13:29Denver Intl

26h 01m

1 stop

MEL09:30Melbourne

13 Jan

MEL12:10Melbourne

23h 40m

2 stops

DEN17:50Denver Intl

$2,085

Air New Zealand

23 Nov

DEN13:29Denver Intl

26h 01m

1 stop

MEL09:30Melbourne

13 Jan

MEL12:10Melbourne

23h 40m

2 stops

DEN17:50Denver Intl

$2,087

Air New Zealand

7 Sept

DEN11:45Denver Intl

31h 10m

2 stops

MEL10:55Melbourne

14 Sept

MEL12:10Melbourne

25h 58m

2 stops

DEN22:08Denver Intl

$2,123

Qantas Airways flights from Denver to Australia

Our best Qantas Airways deals on Denver to Australia flight tickets

Qantas Airways

23 Nov

DEN19:15Denver Intl

24h 50m

2 stops

AVV14:05Melbourne Avalon

13 Jan

AVV10:20Melbourne Avalon

24h 01m

2 stops

DEN16:21Denver Intl

$2,573

Qantas Airways

23 Nov

DEN12:55Denver Intl

32h 55m

2 stops

AVV15:50Melbourne Avalon

13 Jan

AVV06:00Melbourne Avalon

24h 18m

2 stops

DEN12:18Denver Intl

$2,579

Qantas Airways

23 Nov

DEN19:15Denver Intl

24h 50m

2 stops

AVV14:05Melbourne Avalon

13 Jan

AVV10:20Melbourne Avalon

24h 01m

2 stops

DEN16:21Denver Intl

$2,586

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 25/8

22:39-11:50

2 stops45h 11m

Sydney Kingsford Smith

Tue 15/9

13:15-21:30

2 stops24h 15m

$1,370

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 8/9

22:39-11:50

2 stops45h 11m

Sydney Kingsford Smith

Wed 18/11

14:00-18:12

2 stops22h 12m

$1,371

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 20/9

12:02-10:35

2 stops30h 33m

Brisbane

Wed 30/9

11:35-21:30

2 stops25h 55m

$1,457

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Mon 14/9

15:57-10:55

2 stops27h 28m

Adelaide

Sun 27/9

19:10-18:10

2 stops38h 30m

$2,183

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Mon 14/9

15:57-10:55

2 stops27h 28m

Adelaide

Sun 27/9

19:10-18:10

2 stops38h 30m

$2,185

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Thu 15/10

11:35-13:55

3 stops33h 50m

Adelaide

Sun 1/11

06:10-19:13

2 stops29h 33m

$2,303

DenverAdelaide

DEN - ADL

DENADL

Denver Intl

Thu 15/10

11:35-13:55

3 stops33h 50m

Adelaide

Sun 1/11

06:10-19:13

2 stops29h 33m

$2,304

DenverPerth

DEN - PER

DENPER

Denver Intl

Thu 22/10

18:56-18:45

2 stops57h 49m

Perth

Wed 28/10

22:45-22:21

2 stops37h 36m

$2,363

Fastest return journey

DenverTownsville

DEN - TSV

DENTSV

Denver Intl

Mon 10/8

18:26-15:50

3 stops29h 24m

Townsville

Mon 24/8

15:30-23:57

2 stops24h 27m

$3,281

DenverDarwin

DEN - DRW

DENDRW

Denver Intl

Tue 21/7

11:44-23:55

3 stops68h 41m

Darwin

Sat 25/7

17:35-23:50

3 stops45h 45m

$4,155

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, January 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 $104. If you don’t want to visit Australia in January, then you should wait until September to fly from Denver, when ticket prices are also cheap, with an average price of $105.

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 $1,932 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 $1,696 on momondo.

Can stopping save me money on Denver to Australia flights?

You could potentially save up to 23% 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 05m
Direct flights	None

The fastest flight from Denver to Australia takes 19h 05m

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 is 1 operator available for flights from Denver Intl Airport to Australia as of July 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 $1,300	Free cancellation	Rating 7.5 1,057 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.