Cheap flights from Denver to Australia from $713

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Australia departing on 23/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

 Logo
11:45 - 12:45DEN-SYD
32h 00m2 stops
 Logo
06:00 - 00:57SYD-DEN
36h 57m2 stops
$1,530
Find Deal
Tue, 28 Oct - Mon, 10 Nov
 Logo
06:30 - 12:30DEN-SYD
36h 00m2 stops
 Logo
06:00 - 00:57SYD-DEN
36h 57m2 stops
$1,547
Find Deal
Mon, 3 Nov - Mon, 10 Nov
Air New Zealand Logo
15:48 - 08:45DEN-SYD
22h 57m2 stops
Air New Zealand Logo
11:45 - 16:07SYD-DEN
22h 22m2 stops
$1,684Air New Zealand
Find Deal
Mon, 9 Feb - Tue, 17 Feb
Air New Zealand Logo
15:48 - 08:45DEN-SYD
22h 57m2 stops
Air New Zealand Logo
11:45 - 17:50SYD-DEN
24h 05m2 stops
$1,685Air New Zealand
Find Deal
Mon, 9 Feb - Tue, 17 Feb
Qantas Airways Logo
19:15 - 09:30DEN-MEL
20h 15m1 stop
Qantas Airways Logo
12:00 - 18:45MEL-DEN
24h 45m1 stop
$2,023Qantas Airways
Find Deal
Sun, 2 Nov - Sun, 23 Nov
Qantas Airways Logo
16:45 - 05:00DEN-BNE
19h 15m1 stop
Qantas Airways Logo
19:40 - 12:13BNE-DEN
33h 33m1 stop
$2,064Qantas Airways
Find Deal
Sun, 2 Nov - Wed, 19 Nov
United Airlines Logo
16:05 - 09:30DEN-MEL
23h 25m1 stop
United Airlines Logo
11:30 - 19:40MEL-DEN
26h 10m1 stop
$2,084United Airlines
Find Deal
Wed, 26 Nov - Wed, 10 Dec
United Airlines Logo
15:58 - 10:00DEN-MEL
24h 02m1 stop
United Airlines Logo
13:00 - 16:31MEL-DEN
21h 31m1 stop
$2,086United Airlines
Find Deal
Tue, 10 Feb - Tue, 24 Feb
American Airlines Logo
12:55 - 05:00DEN-BNE
23h 05m1 stop
American Airlines Logo
11:30 - 18:44BNE-DEN
24h 14m1 stop
$2,374American Airlines
Find Deal
Thu, 13 Nov - Sun, 7 Dec
American Airlines Logo
16:44 - 11:35DEN-DRW
27h 21m2 stops
American Airlines Logo
12:55 - 23:29DRW-DEN
26h 04m2 stops
$2,658American Airlines
Find Deal
Sun, 12 Oct - Sun, 19 Oct

Air Canada flights from Denver to Australia

Our best Air Canada deals on Denver to Australia flight tickets
Air Canada
4 Sept
DEN14:01Denver Intl
25h 19m
1 stop
SYD07:20Sydney Kingsford Smith
11 Sept
SYD09:20Sydney Kingsford Smith
21h 33m
1 stop
DEN14:53Denver Intl
Air Canada
9 Sept
DEN14:01Denver Intl
25h 19m
1 stop
SYD07:20Sydney Kingsford Smith
22 Sept
SYD09:20Sydney Kingsford Smith
21h 33m
1 stop
DEN14:53Denver Intl
Air Canada
28 Oct
DEN11:49Denver Intl
27h 46m
1 stop
SYD08:35Sydney Kingsford Smith
10 Nov
SYD11:20Sydney Kingsford Smith
23h 06m
1 stop
DEN16:26Denver Intl

Air New Zealand flights from Denver to Australia

Our best Air New Zealand deals on Denver to Australia flight tickets
Air New Zealand
9 Feb
DEN15:48Denver Intl
22h 57m
2 stops
SYD08:45Sydney Kingsford Smith
17 Feb
SYD11:45Sydney Kingsford Smith
22h 22m
2 stops
DEN16:07Denver Intl
Air New Zealand
9 Feb
DEN15:48Denver Intl
22h 57m
2 stops
SYD08:45Sydney Kingsford Smith
17 Feb
SYD11:45Sydney Kingsford Smith
24h 05m
2 stops
DEN17:50Denver Intl
Air New Zealand
2 Nov
DEN07:45Denver Intl
33h 10m
2 stops
BNE09:55Brisbane
19 Nov
BNE11:10Brisbane
23h 48m
2 stops
DEN17:58Denver Intl

momondo Fare Finder

 
Customise your flight search to find flights from Denver to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 28 August 2025.
Use the filters below to find and compare flights from Denver to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 28/10

11:45-12:45

2 stops32h 00m

Sydney Kingsford Smith

Mon 10/11

06:00-00:57

2 stops36h 57m

$1,530

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 3/11

06:30-12:30

2 stops36h 00m

Sydney Kingsford Smith

Mon 10/11

06:00-00:57

2 stops36h 57m

$1,547

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 9/2

15:48-08:45

2 stops22h 57m

Sydney Kingsford Smith

Tue 17/2

11:45-16:07

2 stops22h 22m

$1,684

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 9/2

15:48-08:45

2 stops22h 57m

Sydney Kingsford Smith

Tue 17/2

11:45-17:50

2 stops24h 05m

$1,685

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Sun 2/11

19:15-09:30

1 stop20h 15m

Melbourne

Sun 23/11

12:00-18:45

1 stop24h 45m

$2,023

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 2/11

16:45-05:00

1 stop19h 15m

Brisbane

Wed 19/11

19:40-12:13

1 stop33h 33m

$2,064

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Wed 26/11

16:05-09:30

1 stop23h 25m

Melbourne

Wed 10/12

11:30-19:40

1 stop26h 10m

$2,084

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Tue 10/2

15:58-10:00

1 stop24h 02m

Melbourne

Tue 24/2

13:00-16:31

1 stop21h 31m

$2,086

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Thu 13/11

12:55-05:00

1 stop23h 05m

Brisbane

Sun 7/12

11:30-18:44

1 stop24h 14m

$2,374

DenverDarwin

DEN - DRW

DENDRW

Denver Intl

Sun 12/10

16:44-11:35

2 stops27h 21m

Darwin

Sun 19/10

12:55-23:29

2 stops26h 04m

$2,658

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Australia from

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

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 $1,343. If you don’t want to visit Australia in April, then you should wait until May to fly from Denver, when ticket prices are also cheap, with an average price of $1,354.

What is the cheapest day to depart on your flight to Australia?

On average, the least expensive day to fly to Australia from Denver is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,754. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Denver to Australia on a Tuesday will generally be more expensive and average around $2,382. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Australia?

According to our data, the cheapest time of day to fly to Australia is at midday. momondo users have found flights departing from Denver to Australia at midday for as low as $1,444. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the evening, with an average ticket price of $2,152. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,667 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 $1,456 on momondo.

Can stopping save me money on Denver to Australia flights?

You could potentially save up to 12% 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

Direct flights

None
There are no direct flights from Denver to Australia. There are no popular flight routes 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?

  • 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
American AirlinesPriceFrom $307Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $476Free cancellationRating
7.4
8,944 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,267Free cancellationRating
7.5
905 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.

An easier way to manage your Australia trip

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1 adult
Tue 2/9
Tue 9/9

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