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

China Eastern, Air Canada, and China Southern are the most popular carriers operating from Denver Intl to Australia

What airlines fly to Australia?

United Airlines, Qantas Airways and Air New Zealand are the top three most popular airlines that fly to Australia from Denver according to our data. United Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 7 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Denver Intl Airport to Australia is 7 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 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.

$544 Cheap Flights from Denver to Australia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 10:05 pmDEN Denver Intl-SYD Sydney Kingsford Smith

46h 35m2 stops Los Angeles Nadi

6:00 am - 12:25 amSYD Sydney Kingsford Smith-DEN Denver Intl

36h 25m2 stops Nadi Los Angeles

$976Multiple Airlines

Sat, Oct 24 - Mon, Nov 9

1:10 pm - 11:50 amDEN Denver Intl-SYD Sydney Kingsford Smith

30h 40m2 stops Los Angeles Nadi

6:15 am - 11:44 pmSYD Sydney Kingsford Smith-DEN Denver Intl

33h 29m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$1,001Multiple Airlines

Sat, Sep 19 - Tue, Sep 29

5:50 pm - 7:00 amDEN Denver Intl-BNE Brisbane

44h 10m2 stops Los Angeles Auckland Intl

11:15 am - 5:56 pmBNE Brisbane-DEN Denver Intl

23h 41m2 stops Auckland Intl Los Angeles

$1,133Air New Zealand

Tue, Nov 3 - Tue, Nov 17

1:30 pm - 7:00 amDEN Denver Intl-BNE Brisbane

24h 30m2 stops Los Angeles Auckland Intl

8:20 am - 5:56 pmBNE Brisbane-DEN Denver Intl

26h 36m2 stops Auckland Intl Los Angeles

$1,133Air New Zealand

Mon, Nov 2 - Mon, Nov 16

7:00 pm - 8:45 amDEN Denver Intl-BNE Brisbane

20h 45m1 stop Vancouver Intl

10:45 am - 4:36 pmBNE Brisbane-DEN Denver Intl

22h 51m2 stops Vancouver Intl Calgary

$1,400Air Canada

Tue, Nov 3 - Mon, Nov 16

11:48 am - 8:45 amDEN Denver Intl-BNE Brisbane

27h 57m1 stop Vancouver Intl

10:45 am - 12:38 pmBNE Brisbane-DEN Denver Intl

18h 53m1 stop Vancouver Intl

$1,402Air Canada

Tue, Nov 3 - Mon, Nov 16

12:59 pm - 6:50 amDEN Denver Intl-SYD Sydney Kingsford Smith

23h 51m1 stop Los Angeles

2:15 pm - 6:10 pmSYD Sydney Kingsford Smith-DEN Denver Intl

21h 55m1 stop Los Angeles

$1,509Delta

Tue, Jan 19 - Tue, Jan 26

12:59 pm - 8:30 amDEN Denver Intl-SYD Sydney Kingsford Smith

25h 31m1 stop Los Angeles

10:40 am - 6:10 pmSYD Sydney Kingsford Smith-DEN Denver Intl

25h 30m1 stop Los Angeles

$1,509Delta

Wed, Jan 27 - Mon, Feb 8

6:30 pm - 5:00 amDEN Denver Intl-MEL Melbourne

40h 30m1 stop Dallas/Fort Worth

10:45 pm - 12:18 pmMEL Melbourne-DEN Denver Intl

31h 33m1 stop Los Angeles

$1,740Qantas Airways

Mon, Nov 23 - Wed, Jan 13

12:19 pm - 2:05 pmDEN Denver Intl-AVV Melbourne Avalon

31h 46m2 stops Los Angeles Sydney Kingsford Smith

8:10 am - 4:21 pmAVV Melbourne Avalon-DEN Denver Intl

26h 11m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,791Qantas Airways

Mon, Nov 23 - Wed, Jan 13

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 am - 7:05 amDEN Denver Intl-SYD Sydney Kingsford Smith

32h 05m1 stop Los Angeles

9:10 am - 12:44 amSYD Sydney Kingsford Smith-DEN Denver Intl

31h 34m1 stop Los Angeles

$1,279Multiple Airlines

Fri, Aug 14 - Fri, Aug 21

7:00 am - 7:05 amDEN Denver Intl-SYD Sydney Kingsford Smith

32h 05m1 stop Los Angeles

9:10 am - 3:48 amSYD Sydney Kingsford Smith-DEN Denver Intl

34h 38m2 stops Los Angeles Las Vegas Harry Reid Intl

$1,379Multiple Airlines

Fri, Aug 14 - Fri, Aug 21

12:54 pm - 6:50 amDEN Denver Intl-SYD Sydney Kingsford Smith

25h 56m2 stops Salt Lake City Los Angeles

9:15 am - 5:48 pmSYD Sydney Kingsford Smith-DEN Denver Intl

24h 33m2 stops Los Angeles Seattle/Tacoma Intl

$1,614Delta

Fri, Aug 14 - Fri, Aug 21

2:21 pm - 6:05 amDEN Denver Intl-SYD Sydney Kingsford Smith

47h 44m3 stops Chicago O'Hare Intl London Heathrow Singapore Changi

2:35 pm - 4:30 pmSYD Sydney Kingsford Smith-DEN Denver Intl

41h 55m2 stops Singapore Changi London Heathrow

$4,025British Airways

Fri, Aug 14 - Fri, Aug 21

2:21 pm - 6:05 amDEN Denver Intl-SYD Sydney Kingsford Smith

47h 44m3 stops Chicago O'Hare Intl London Heathrow Singapore Changi

2:35 pm - 4:53 pmSYD Sydney Kingsford Smith-DEN Denver Intl

42h 18m3 stops Singapore Changi London Heathrow Chicago O'Hare Intl

$4,118British Airways

Fri, Aug 14 - Fri, Aug 21

8:00 am - 4:55 pmDEN Denver Intl-BNE Brisbane

40h 55m3 stops Los Angeles Tokyo Narita Singapore Changi

11:50 pm - 7:39 pmBNE Brisbane-DEN Denver Intl

35h 49m3 stops Singapore Changi Tokyo Narita Los Angeles

$23,367Singapore Airlines

Fri, Aug 14 - Sun, Aug 16

6:26 pm - 10:45 amDEN Denver Intl-HBA Hobart

24h 19m2 stops Los Angeles Sydney Kingsford Smith

6:05 pm - 5:56 pmHBA Hobart-DEN Denver Intl

39h 51m2 stops Melbourne Los Angeles

$26,627Qantas Airways

Fri, Aug 14 - Sun, Aug 16

6:26 pm - 1:15 pmDEN Denver Intl-BNE Brisbane

26h 49m2 stops Los Angeles Sydney Kingsford Smith

8:50 pm - 11:09 amBNE Brisbane-DEN Denver Intl

30h 19m2 stops Sydney Kingsford Smith Los Angeles

$27,098Qantas Airways

Fri, Aug 14 - Sun, Aug 16

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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

Nov 2

DEN1:30 pmDenver Intl

24h 30m

2 stops

BNE7:00 amBrisbane

Nov 16

BNE8:20 amBrisbane

26h 36m

2 stops

DEN5:56 pmDenver Intl

$1,133

Air New Zealand

Oct 21

DEN4:15 pmDenver Intl

23h 30m

2 stops

SYD8:45 amSydney Kingsford Smith

Nov 4

SYD9:55 amSydney Kingsford Smith

26h 01m

2 stops

DEN5:56 pmDenver Intl

$1,135

Air New Zealand

Oct 26

DEN4:05 pmDenver Intl

23h 30m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 11

SYD2:05 pmSydney Kingsford Smith

21h 51m

2 stops

DEN5:56 pmDenver Intl

$1,136

Delta flights from Denver to Australia

Our best Delta deals on Denver to Australia flight tickets

Delta

Aug 24

DEN7:55 pmDenver Intl

18h 55m

1 stop

SYD6:50 amSydney Kingsford Smith

Sep 6

SYD9:15 amSydney Kingsford Smith

25h 07m

1 stop

DEN6:22 pmDenver Intl

$1,509

Delta

Aug 17

DEN7:55 pmDenver Intl

18h 55m

1 stop

SYD6:50 amSydney Kingsford Smith

Sep 5

SYD9:15 amSydney Kingsford Smith

25h 07m

1 stop

DEN6:22 pmDenver Intl

$1,559

Delta

Aug 17

DEN5:35 amDenver Intl

33h 15m

2 stops

SYD6:50 amSydney Kingsford Smith

Sep 5

SYD9:15 amSydney Kingsford Smith

30h 43m

2 stops

DEN11:58 pmDenver Intl

$1,564

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 10/24

6:30 am-10:05 pm

2 stops46h 35m

Sydney Kingsford Smith

Mon 11/9

6:00 am-12:25 am

2 stops36h 25m

$976

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Sat 9/19

1:10 pm-11:50 am

2 stops30h 40m

Sydney Kingsford Smith

Tue 9/29

6:15 am-11:44 pm

3 stops33h 29m

$1,001

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Tue 11/3

5:50 pm-7:00 am

2 stops44h 10m

Brisbane

Tue 11/17

11:15 am-5:56 pm

2 stops23h 41m

$1,133

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Mon 11/2

1:30 pm-7:00 am

2 stops24h 30m

Brisbane

Mon 11/16

8:20 am-5:56 pm

2 stops26h 36m

$1,133

Quickest round-trip

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Tue 11/3

7:00 pm-8:45 am

1 stop20h 45m

Brisbane

Mon 11/16

10:45 am-4:36 pm

2 stops22h 51m

$1,400

DenverBrisbane

DEN Denver Intl - BNE Brisbane

DENBNE

Denver Intl

Tue 11/3

11:48 am-8:45 am

1 stop27h 57m

Brisbane

Mon 11/16

10:45 am-12:38 pm

1 stop18h 53m

$1,402

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Tue 1/19

12:59 pm-6:50 am

1 stop23h 51m

Sydney Kingsford Smith

Tue 1/26

2:15 pm-6:10 pm

1 stop21h 55m

$1,509

DenverSydney

DEN Denver Intl - SYD Sydney Kingsford Smith

DENSYD

Denver Intl

Wed 1/27

12:59 pm-8:30 am

1 stop25h 31m

Sydney Kingsford Smith

Mon 2/8

10:40 am-6:10 pm

1 stop25h 30m

$1,509

DenverMelbourne

DEN Denver Intl - MEL Melbourne

DENMEL

Denver Intl

Mon 11/23

6:30 pm-5:00 am

1 stop40h 30m

Melbourne

Wed 1/13

10:45 pm-12:18 pm

1 stop31h 33m

$1,740

DenverMelbourne

DEN Denver Intl - AVV Melbourne Avalon

DENAVV

Denver Intl

Mon 11/23

12:19 pm-2:05 pm

2 stops31h 46m

Melbourne Avalon

Wed 1/13

8:10 am-4:21 pm

2 stops26h 11m

$1,791

Flights are sorted by cheapest round-trip 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?

The month of April is, on average, the cheapest month to fly to Australia from Denver, with most prices found around $1,136. 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 $1,221.

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 $1,363 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 $1,068 on momondo.

Can stopping save me money on Denver to Australia flights?

You could potentially save up to 20% 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	23h 00m
Direct flights	None

The fastest flight from Denver to Australia takes 23h 00m

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?
The number of operators available for flights from Denver Intl Airport to Australia is 7 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 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
Delta	PriceFrom $117	Free Cancellation	Rating 7.8 8,506 reviews	Search Delta flights
Fiji Airways	PriceFrom $682	Free Cancellation	Rating 8.0 252 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $827	Free Cancellation	Rating 7.1 11,461 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $849	Free Cancellation	Rating 7.5 1,081 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $853	Free Cancellation	Rating 7.4 10,102 reviews	Search United Airlines flights
American Airlines	PriceFrom $895	Free Cancellation	Rating 7.1 11,902 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $946	Free Cancellation	Rating 8.0 659 reviews	Search Air New Zealand 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.