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

Air Canada 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 August 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.

$737 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.

12:42 - 11:50

DEN

SYD

31h 08m

2 stops

13:15 - 23:44

SYD

DEN

26h 29m

3 stops

$1,332Multiple Airlines

Wed, 9 Sep - Wed, 23 Sep

13:10 - 11:50

DEN

SYD

30h 40m

2 stops

13:15 - 12:46

SYD

DEN

39h 31m

3 stops

$1,350Multiple Airlines

Mon, 14 Sep - Mon, 28 Sep

13:10 - 11:50

DEN

SYD

30h 40m

2 stops

13:15 - 12:46

SYD

DEN

39h 31m

3 stops

$1,374Multiple Airlines

Mon, 14 Sep - Mon, 28 Sep

13:10 - 11:50

DEN

SYD

30h 40m

2 stops

13:15 - 23:44

SYD

DEN

26h 29m

3 stops

$1,383Multiple Airlines

Sat, 12 Sep - Wed, 23 Sep

06:30 - 12:50

DEN

SYD

37h 20m

2 stops

06:00 - 00:25

SYD

DEN

36h 25m

2 stops

$1,390Multiple Airlines

Mon, 19 Oct - Mon, 9 Nov

22:29 - 06:25

DEN

SYD

37h 56m

1 stop

14:00 - 18:12

SYD

DEN

22h 12m

2 stops

$1,403Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

13:10 - 11:50

DEN

SYD

30h 40m

2 stops

13:15 - 23:44

SYD

DEN

26h 29m

3 stops

$1,404Multiple Airlines

Sat, 12 Sep - Wed, 23 Sep

22:39 - 07:30

DEN

SYD

40h 51m

1 stop

13:15 - 17:32

SYD

DEN

44h 17m

2 stops

$1,407Multiple Airlines

Wed, 2 Sep - Tue, 8 Sep

12:19 - 09:00

DEN

SYD

26h 41m

1 stop

11:20 - 15:54

SYD

DEN

22h 34m

1 stop

$2,466Qantas Airways

Sun, 29 Nov - Wed, 16 Dec

20:11 - 09:00

DEN

SYD

18h 49m

1 stop

11:20 - 12:18

SYD

DEN

18h 58m

1 stop

$2,466Qantas Airways

Mon, 28 Dec - Wed, 6 Jan

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Air Canada flights from Denver to Australia

Our best Air Canada deals on Denver to Australia flight tickets

Air Canada

5 Oct

DEN19:50Denver Intl

19h 15m

1 stop

BNE07:05Brisbane

19 Oct

BNE10:00Brisbane

38h 47m

2 stops

DEN08:47Denver Intl

$2,098

Air Canada

4 Oct

DEN07:40Denver Intl

31h 25m

2 stops

BNE07:05Brisbane

12 Oct

BNE10:00Brisbane

38h 47m

2 stops

DEN08:47Denver Intl

$2,106

Air Canada

5 Oct

DEN19:50Denver Intl

19h 15m

1 stop

BNE07:05Brisbane

19 Oct

BNE10:00Brisbane

22h 58m

1 stop

DEN16:58Denver Intl

$2,117

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

DEN16:05Denver Intl

23h 25m

1 stop

MEL09:30Melbourne

13 Jan

MEL10:20Melbourne

25h 30m

2 stops

DEN17:50Denver Intl

$2,081

Air New Zealand

23 Nov

DEN16:05Denver Intl

24h 50m

2 stops

MEL10:55Melbourne

13 Jan

MEL11:30Melbourne

22h 37m

1 stop

DEN16:07Denver Intl

$2,083

Air New Zealand

29 Nov

DEN05:00Denver Intl

33h 55m

2 stops

MEL08:55Melbourne

16 Dec

MEL11:30Melbourne

18h 33m

1 stop

DEN12:03Denver Intl

$2,097

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 9/9

12:42-11:50

2 stops31h 08m

Sydney Kingsford Smith

Wed 23/9

13:15-23:44

3 stops26h 29m

$1,332

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 14/9

13:10-11:50

2 stops30h 40m

Sydney Kingsford Smith

Mon 28/9

13:15-12:46

3 stops39h 31m

$1,350

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 14/9

13:10-11:50

2 stops30h 40m

Sydney Kingsford Smith

Mon 28/9

13:15-12:46

3 stops39h 31m

$1,374

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 12/9

13:10-11:50

2 stops30h 40m

Sydney Kingsford Smith

Wed 23/9

13:15-23:44

3 stops26h 29m

$1,383

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 19/10

06:30-12:50

2 stops37h 20m

Sydney Kingsford Smith

Mon 9/11

06:00-00:25

2 stops36h 25m

$1,390

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 4/11

22:29-06:25

1 stop37h 56m

Sydney Kingsford Smith

Wed 11/11

14:00-18:12

2 stops22h 12m

$1,403

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 12/9

13:10-11:50

2 stops30h 40m

Sydney Kingsford Smith

Wed 23/9

13:15-23:44

3 stops26h 29m

$1,404

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 2/9

22:39-07:30

1 stop40h 51m

Sydney Kingsford Smith

Tue 8/9

13:15-17:32

2 stops44h 17m

$1,407

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 29/11

12:19-09:00

1 stop26h 41m

Sydney Kingsford Smith

Wed 16/12

11:20-15:54

1 stop22h 34m

$2,466

Fastest return journey

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 28/12

20:11-09:00

1 stop18h 49m

Sydney Kingsford Smith

Wed 6/1

11:20-12:18

1 stop18h 58m

$2,466

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 $1,616. 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 $1,743.

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 $1,942 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 $1,731 on momondo.

Can stopping save me money on Denver to Australia flights?

You could potentially save up to 8% 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	18h 49m
Direct flights	None

The fastest flight from Denver to Australia takes 18h 49m

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 August 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 $1,284	Free cancellation	Rating 7.5 1,073 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.