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Cheap flights from Denver to Australia from $521

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 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Air Canada Logo
11:49 am - 9:35 amDEN-SYD
27h 46m1 stop
Air Canada Logo
11:20 am - 12:37 pmSYD-DEN
19h 17m1 stop
$911Air Canada
Find Deal
mié., nov. 19 - lun., nov. 24
Air Canada Logo
7:48 pm - 11:40 amDEN-SYD
22h 52m2 stops
Air Canada Logo
10:20 am - 12:37 pmSYD-DEN
19h 17m1 stop
$930Air Canada
Find Deal
lun., oct. 20 - mar., oct. 28
Air New Zealand Logo
6:00 am - 8:45 amDEN-SYD
32h 45m2 stops
Air New Zealand Logo
11:45 am - 5:55 pmSYD-DEN
24h 10m2 stops
$1,084Air New Zealand
Find Deal
dom., nov. 30 - dom., dic. 14
Air New Zealand Logo
9:20 pm - 8:45 amDEN-SYD
41h 25m2 stops
Air New Zealand Logo
11:45 am - 10:10 pmSYD-DEN
28h 25m2 stops
$1,092Air New Zealand
Find Deal
dom., nov. 30 - dom., dic. 14
Qantas Airways Logo
6:00 pm - 6:45 amDEN-MEL
20h 45m1 stop
Qantas Airways Logo
11:55 am - 5:44 pmMEL-DEN
22h 49m1 stop
$1,297Qantas Airways
Find Deal
mié., oct. 1 - mié., oct. 15
Qantas Airways Logo
1:00 pm - 9:30 amDEN-MEL
26h 30m1 stop
Qantas Airways Logo
3:00 pm - 7:15 pmMEL-DEN
22h 15m1 stop
$1,302Qantas Airways
Find Deal
mar., ene. 20 - dom., feb. 1
American Airlines Logo
6:00 pm - 6:45 amDEN-MEL
20h 45m1 stop
American Airlines Logo
9:45 am - 3:18 pmMEL-DEN
22h 33m2 stops
$1,329American Airlines
Find Deal
lun., sep. 22 - lun., oct. 6
American Airlines Logo
1:00 pm - 9:30 amDEN-MEL
26h 30m1 stop
American Airlines Logo
3:00 pm - 9:42 pmMEL-DEN
24h 42m2 stops
$1,335American Airlines
Find Deal
mar., ene. 20 - dom., feb. 1
United Airlines Logo
1:25 pm - 10:00 amDEN-MEL
26h 35m1 stop
United Airlines Logo
11:30 am - 10:12 pmMEL-DEN
28h 42m1 stop
$1,354United Airlines
Find Deal
dom., dic. 28 - lun., ene. 5
United Airlines Logo
9:52 am - 9:30 amDEN-MEL
29h 38m1 stop
United Airlines Logo
1:00 pm - 4:31 pmMEL-DEN
21h 31m1 stop
$1,355United Airlines
Find Deal
mar., dic. 30 - dom., ene. 18

Air Canada flights from Denver to Australia

Our best Air Canada deals on Denver to Australia flight tickets
Air Canada
Nov 19
DEN11:49 amDenver Intl
27h 46m
1 stop
SYD9:35 amSydney Kingsford Smith
Nov 24
SYD11:20 amSydney Kingsford Smith
19h 17m
1 stop
DEN12:37 pmDenver Intl
$911
Find similar
Air Canada
Aug 4
DEN11:24 amDenver Intl
27h 56m
2 stops
SYD7:20 amSydney Kingsford Smith
Aug 11
SYD9:20 amSydney Kingsford Smith
23h 20m
1 stop
DEN4:40 pmDenver Intl
$912
Find similar
Air Canada
Oct 20
DEN7:48 pmDenver Intl
22h 52m
2 stops
SYD11:40 amSydney Kingsford Smith
Oct 28
SYD10:20 amSydney Kingsford Smith
19h 17m
1 stop
DEN12:37 pmDenver Intl
$930
Find similar

Air New Zealand flights from Denver to Australia

Our best Air New Zealand deals on Denver to Australia flight tickets
Air New Zealand
Nov 30
DEN6:00 amDenver Intl
32h 45m
2 stops
SYD8:45 amSydney Kingsford Smith
Dec 14
SYD11:45 amSydney Kingsford Smith
24h 10m
2 stops
DEN5:55 pmDenver Intl
$1,084
Find similar
Air New Zealand
Nov 30
DEN9:20 pmDenver Intl
41h 25m
2 stops
SYD8:45 amSydney Kingsford Smith
Dec 14
SYD11:45 amSydney Kingsford Smith
28h 25m
2 stops
DEN10:10 pmDenver Intl
$1,092
Find similar
Air New Zealand
Oct 28
DEN4:05 pmDenver Intl
26h 20m
2 stops
ADL10:55 amAdelaide
Nov 12
ADL11:55 amAdelaide
23h 33m
2 stops
DEN5:58 pmDenver Intl
$1,117
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated julio 31, 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

mié. 11/19

11:49 am-9:35 am

1 stop27h 46m

Sydney Kingsford Smith

lun. 11/24

11:20 am-12:37 pm

1 stop19h 17m

$911

DenverSydney

DEN - SYD

DENSYD

Denver Intl

lun. 10/20

7:48 pm-11:40 am

2 stops22h 52m

Sydney Kingsford Smith

mar. 10/28

10:20 am-12:37 pm

1 stop19h 17m

$930

DenverSydney

DEN - SYD

DENSYD

Denver Intl

dom. 11/30

6:00 am-8:45 am

2 stops32h 45m

Sydney Kingsford Smith

dom. 12/14

11:45 am-5:55 pm

2 stops24h 10m

$1,084

DenverSydney

DEN - SYD

DENSYD

Denver Intl

dom. 11/30

9:20 pm-8:45 am

2 stops41h 25m

Sydney Kingsford Smith

dom. 12/14

11:45 am-10:10 pm

2 stops28h 25m

$1,092

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

mié. 10/1

6:00 pm-6:45 am

1 stop20h 45m

Melbourne

mié. 10/15

11:55 am-5:44 pm

1 stop22h 49m

$1,297

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

mar. 1/20

1:00 pm-9:30 am

1 stop26h 30m

Melbourne

dom. 2/1

3:00 pm-7:15 pm

1 stop22h 15m

$1,302

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

lun. 9/22

6:00 pm-6:45 am

1 stop20h 45m

Melbourne

lun. 10/6

9:45 am-3:18 pm

2 stops22h 33m

$1,329

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

mar. 1/20

1:00 pm-9:30 am

1 stop26h 30m

Melbourne

dom. 2/1

3:00 pm-9:42 pm

2 stops24h 42m

$1,335

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

dom. 12/28

1:25 pm-10:00 am

1 stop26h 35m

Melbourne

lun. 1/5

11:30 am-10:12 pm

1 stop28h 42m

$1,354

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

mar. 12/30

9:52 am-9:30 am

1 stop29h 38m

Melbourne

dom. 1/18

1:00 pm-4:31 pm

1 stop21h 31m

$1,355

Flights are sorted by cheapest round-trip 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?

The month of April is, on average, the cheapest month to fly to Australia from Denver, with most prices found around $872. If you aren’t able to travel during the month of April, then book flights to Australia from Denver during May instead. Flights to Australia in May, while not as cheap as those in April, still average around $890.

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

The cheapest day to depart from Denver to Australia is on a Tuesday. Travelers who choose to depart for Australia on a Tuesday will often find tickets for as low as $1,197. On the other hand, Thursday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,362.

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

Flying to Australia from Denver at noon is the least expensive time of day to depart. momondo users have found prices as low as $933 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,292 on average. Flights to Australia from Denver in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,065 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Denver for as low as $920 on momondo.

Can stopping save me money on Denver to Australia flights?

You could potentially save up to 28% 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

Best Price Found

$521

Fastest flight time

18h 44m

Direct flights

None

Airports in Australia

7 airports
The best one-way flight to Australia from Denver in the past 72 hours is $521. The best round-trip flight deal from Denver to Australia found on momondo in the last 72 hours is $911.
The fastest flight from Denver to Australia takes 18h 44m
There are no direct flights from Denver to Australia. Popular non-direct routes for this connection are Denver Intl Airport - Melbourne Airport, Denver Intl Airport - Melbourne Avalon Airport and Denver Intl Airport - Sydney Kingsford Smith Airport.
There are 7 airports near Australia: Melbourne Avalon (AVV), Canberra (CBR), Melbourne (MEL), Hobart (HBA), Brisbane (BNE), Perth (PER), Sydney Kingsford Smith (SYD)
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  • 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 necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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 AirwaysPriceFrom $645Free CancellationRating
7.5
887 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $693Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $745Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $830Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Air New ZealandPriceFrom $834Free CancellationRating
7.9
501 reviews
Search Air New Zealand flights
Air CanadaPriceFrom $917Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,157Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Fiji AirwaysPriceFrom $1,159Free CancellationRating
8.0
202 reviews
Search Fiji Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Australia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Denver to Australia for you.

Can I find flights from Denver to Australia with flexible booking policies on momondo?

Yes. All flights to Australia from Denver on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Denver to Australia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Denver to Australia.

I’m not ready to book a flight from Denver to Australia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Denver to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.

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Find better results for your trip to Australia

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Popular flights according to clicks in the last 7 days on momondo
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