Cheap flights from Denver to Australia from $736

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 16/2. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Denver to Australia

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:00 - 12:35
DEN
-
SYD
33h 35m2 stops
Multiple Airlines Logo
14:00 - 00:30
SYD
-
DEN
27h 30m2 stops
$1,276Multiple Airlines
Fri, 6 Mar - Fri, 13 Mar
Air Canada Logo
19:25 - 07:45
DEN
-
BNE
44h 20m2 stops
Air Canada Logo
09:45 - 08:54
BNE
-
DEN
39h 09m2 stops
$1,382Air Canada
Sun, 8 Mar - Sun, 22 Mar
Qantas Airways Logo
19:44 - 09:00
DEN
-
SYD
20h 16m1 stop
Qantas Airways Logo
11:20 - 12:29
SYD
-
DEN
18h 09m1 stop
$1,398Qantas Airways
Tue, 10 Mar - Tue, 24 Mar
Qantas Airways Logo
13:13 - 07:25
DEN
-
SYD
24h 12m1 stop
Qantas Airways Logo
11:20 - 12:29
SYD
-
DEN
18h 09m1 stop
$1,400Qantas Airways
Tue, 3 Mar - Wed, 18 Mar
Qantas Airways Logo
13:13 - 07:25
DEN
-
SYD
24h 12m1 stop
Qantas Airways Logo
11:20 - 12:29
SYD
-
DEN
18h 09m1 stop
$1,401Qantas Airways
Tue, 3 Mar - Tue, 10 Mar
American Airlines Logo
18:19 - 07:05
DEN
-
SYD
20h 46m1 stop
American Airlines Logo
09:10 - 17:48
SYD
-
DEN
24h 38m1 stop
$1,403American Airlines
Tue, 14 Apr - Tue, 21 Apr
American Airlines Logo
14:14 - 09:00
DEN
-
SYD
25h 46m2 stops
American Airlines Logo
11:20 - 18:15
SYD
-
DEN
23h 55m2 stops
$1,409American Airlines
Tue, 10 Mar - Tue, 24 Mar
Air New Zealand Logo
21:00 - 16:00
DEN
-
PER
53h 00m2 stops
Air New Zealand Logo
23:50 - 18:17
PER
-
DEN
32h 27m2 stops
$2,070Air New Zealand
Sat, 25 Apr - Sat, 9 May
Air New Zealand Logo
13:45 - 12:00
DEN
-
DRW
53h 45m3 stops
Air New Zealand Logo
12:50 - 18:23
DRW
-
DEN
46h 03m3 stops
$2,073Air New Zealand
Sun, 22 Feb - Sun, 1 Mar
Qatar Airways Logo
09:10 - 08:20
DEN
-
CBR
53h 10m3 stops
Qatar Airways Logo
12:30 - 22:59
CBR
-
DEN
52h 29m3 stops
$3,231Qatar Airways
Sat, 21 Feb - Sat, 28 Feb

American Airlines flights from Denver to Australia

Our best American Airlines deals on Denver to Australia flight tickets
American Airlines
14 Apr
DEN18:19Denver Intl
20h 46m
1 stop
SYD07:05Sydney Kingsford Smith
21 Apr
SYD09:10Sydney Kingsford Smith
24h 38m
1 stop
DEN17:48Denver Intl
$1,403
American Airlines
10 Mar
DEN13:13Denver Intl
26h 47m
1 stop
SYD09:00Sydney Kingsford Smith
24 Mar
SYD11:20Sydney Kingsford Smith
23h 55m
2 stops
DEN18:15Denver Intl
$1,409
American Airlines
3 Mar
DEN12:21Denver Intl
25h 04m
2 stops
SYD07:25Sydney Kingsford Smith
18 Mar
SYD11:20Sydney Kingsford Smith
18h 09m
1 stop
DEN12:29Denver Intl
$1,410

Qantas Airways flights from Denver to Australia

Our best Qantas Airways deals on Denver to Australia flight tickets
Qantas Airways
10 Mar
DEN19:44Denver Intl
20h 16m
1 stop
SYD09:00Sydney Kingsford Smith
24 Mar
SYD11:20Sydney Kingsford Smith
18h 09m
1 stop
DEN12:29Denver Intl
$1,398
Qantas Airways
3 Mar
DEN13:13Denver Intl
24h 12m
1 stop
SYD07:25Sydney Kingsford Smith
18 Mar
SYD11:20Sydney Kingsford Smith
18h 09m
1 stop
DEN12:29Denver Intl
$1,400
Qantas Airways
3 Mar
DEN13:13Denver Intl
24h 12m
1 stop
SYD07:25Sydney Kingsford Smith
10 Mar
SYD11:20Sydney Kingsford Smith
18h 09m
1 stop
DEN12:29Denver Intl
$1,401

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 9 January 2026.
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

Fri 6/3

09:00-12:35

2 stops33h 35m

Sydney Kingsford Smith

Fri 13/3

14:00-00:30

2 stops27h 30m

$1,276

DenverBrisbane

DEN - BNE

DENBNE

Denver Intl

Sun 8/3

19:25-07:45

2 stops44h 20m

Brisbane

Sun 22/3

09:45-08:54

2 stops39h 09m

$1,382

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 10/3

19:44-09:00

1 stop20h 16m

Sydney Kingsford Smith

Tue 24/3

11:20-12:29

1 stop18h 09m

$1,398

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 3/3

13:13-07:25

1 stop24h 12m

Sydney Kingsford Smith

Wed 18/3

11:20-12:29

1 stop18h 09m

$1,400

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 3/3

13:13-07:25

1 stop24h 12m

Sydney Kingsford Smith

Tue 10/3

11:20-12:29

1 stop18h 09m

$1,401

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 14/4

18:19-07:05

1 stop20h 46m

Sydney Kingsford Smith

Tue 21/4

09:10-17:48

1 stop24h 38m

$1,403

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 10/3

14:14-09:00

2 stops25h 46m

Sydney Kingsford Smith

Tue 24/3

11:20-18:15

2 stops23h 55m

$1,409

DenverPerth

DEN - PER

DENPER

Denver Intl

Sat 25/4

21:00-16:00

2 stops53h 00m

Perth

Sat 9/5

23:50-18:17

2 stops32h 27m

$2,070

DenverDarwin

DEN - DRW

DENDRW

Denver Intl

Sun 22/2

13:45-12:00

3 stops53h 45m

Darwin

Sun 1/3

12:50-18:23

3 stops46h 03m

$2,073

DenverCanberra

DEN - CBR

DENCBR

Denver Intl

Sat 21/2

09:10-08:20

3 stops53h 10m

Canberra

Sat 28/2

12:30-22:59

3 stops52h 29m

$3,231

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $1,292. If you don’t want to visit Australia in April, then you should wait until March to fly from Denver, when ticket prices are also cheap, with an average price of $1,348.

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 $1,688 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 $1,498 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

20h 00m

Direct flights

None
The fastest flight from Denver to Australia takes 20h 00m
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
Qantas AirwaysPriceFrom $987Free cancellationRating
7.5
968 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 8/2
Sun 15/2

Find better results for your trip to Australia