Look for other cheap flights to Denver Intl

$729 Cheap flights to Denver

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Denver departing on 15/10. 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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Find the cheapest flights from Australia to Denver

Cheap return flights

 Logo
14:15 - 00:52SYD-DEN
27h 37m2 stops
 Logo
06:00 - 12:45DEN-SYD
37h 45m2 stops
$1,394
Find Deal
Mon, 20 Oct - Mon, 27 Oct
Air Canada Logo
10:20 - 12:38SYD-DEN
19h 18m1 stop
Air Canada Logo
19:05 - 14:40DEN-SYD
26h 35m2 stops
$1,488Air Canada
Find Deal
Mon, 20 Oct - Mon, 27 Oct
Air New Zealand Logo
09:55 - 19:53SYD-DEN
25h 58m2 stops
Air New Zealand Logo
16:46 - 10:35DEN-SYD
25h 49m2 stops
$1,513Air New Zealand
Find Deal
Sun, 31 Aug - Thu, 11 Sep
Air New Zealand Logo
11:50 - 08:28SYD-DEN
37h 38m2 stops
Air New Zealand Logo
06:00 - 08:45DEN-SYD
33h 45m2 stops
$1,573Air New Zealand
Find Deal
Sun, 19 Oct - Fri, 31 Oct
American Airlines Logo
09:10 - 22:31SYD-DEN
29h 21m2 stops
American Airlines Logo
15:07 - 07:05DEN-SYD
23h 58m2 stops
$1,636American Airlines
Find Deal
Fri, 26 Sep - Tue, 30 Sep
American Airlines Logo
09:10 - 11:08SYD-DEN
17h 58m1 stop
American Airlines Logo
06:00 - 07:05DEN-SYD
33h 05m1 stop
$1,650American Airlines
Find Deal
Fri, 26 Sep - Tue, 30 Sep
United Airlines Logo
13:00 - 20:20MEL-DEN
25h 20m2 stops
United Airlines Logo
19:05 - 10:00DEN-MEL
20h 55m1 stop
$1,954United Airlines
Find Deal
Mon, 3 Nov - Mon, 10 Nov
United Airlines Logo
11:55 - 16:35MEL-DEN
21h 40m1 stop
United Airlines Logo
15:59 - 09:00DEN-MEL
24h 01m1 stop
$1,958United Airlines
Find Deal
Thu, 16 Oct - Tue, 28 Oct
Qantas Airways Logo
19:50 - 16:30BNE-DEN
37h 40m2 stops
Qantas Airways Logo
19:42 - 05:00DEN-BNE
40h 18m1 stop
$2,735Qantas Airways
Find Deal
Tue, 23 Dec - Tue, 3 Mar
Qantas Airways Logo
19:50 - 16:30BNE-DEN
37h 40m2 stops
Qantas Airways Logo
19:42 - 18:00DEN-BNE
29h 18m2 stops
$2,826Qantas Airways
Find Deal
Tue, 23 Dec - Sat, 7 Mar

momondo Fare Finder

 
Locate flights to Denver Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 25 August 2025.
Use the filters below to find and compare flights to Denver that are best for you.

Fly from

Route

Depart

Return

Price

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 20/10

14:15-00:52

2 stops27h 37m

Denver Intl

Mon 27/10

06:00-12:45

2 stops37h 45m

$1,394

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 20/10

10:20-12:38

1 stop19h 18m

Denver Intl

Mon 27/10

19:05-14:40

2 stops26h 35m

$1,488

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 31/8

09:55-19:53

2 stops25h 58m

Denver Intl

Thu 11/9

16:46-10:35

2 stops25h 49m

$1,513

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 19/10

11:50-08:28

2 stops37h 38m

Denver Intl

Fri 31/10

06:00-08:45

2 stops33h 45m

$1,573

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 26/9

09:10-22:31

2 stops29h 21m

Denver Intl

Tue 30/9

15:07-07:05

2 stops23h 58m

$1,636

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 26/9

09:10-11:08

1 stop17h 58m

Denver Intl

Tue 30/9

06:00-07:05

1 stop33h 05m

$1,650

MelbourneDenver

MEL - DEN

MELDEN

Melbourne

Mon 3/11

13:00-20:20

2 stops25h 20m

Denver Intl

Mon 10/11

19:05-10:00

1 stop20h 55m

$1,954

MelbourneDenver

MEL - DEN

MELDEN

Melbourne

Thu 16/10

11:55-16:35

1 stop21h 40m

Denver Intl

Tue 28/10

15:59-09:00

1 stop24h 01m

$1,958

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Tue 23/12

19:50-16:30

2 stops37h 40m

Denver Intl

Tue 3/3

19:42-05:00

1 stop40h 18m

$2,735

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Tue 23/12

19:50-16:30

2 stops37h 40m

Denver Intl

Sat 7/3

19:42-18:00

2 stops29h 18m

$2,826

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 Denver from

Denver flights insights and trends

Explore insights for your Denver flight to craft the best travel plan

What is the cheapest month to fly to Denver?

In general, February is the cheapest month to fly from Australia to Denver. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,134. If you aren’t able to travel during the month of February, then book flights to Denver from Australia during March instead. Flights to Denver in March, while not as cheap as those in February, still average around $1,194.

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

According to our data, Monday is the cheapest day to fly to Denver from Australia. The lowest ticket price found for a Monday departure recently was $1,825. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Australia to Denver for around $2,430.

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

According to our data, the cheapest time of day to fly to Denver is at midday. momondo users have found flights departing from Australia to Denver at midday for as low as $1,723. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Denver is in the morning when prices are around $2,049.

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $1,659 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Australia for as low as $1,408 on momondo.

Cheapest flights to Denver Intl

Find the cheapest flights to Denver Intl from your nearest city or airport
CHEAPEST MONTH TO FLY TO DENVER FROM SYDNEYFebruary32% cheaperFlying from Sydney to Denver costs on average just $1,134 in February
MOST EXPENSIVE MONTH TO FLY TO DENVER FROM SYDNEYDecember48% more expensiveIt costs about $2,470 for flights to Denver from Sydney in December
MOST POPULAR MONTH TO FLY TO DENVER FROM SYDNEYDecember656% more users visitedMore momondo users searched in flights to Denver from Sydney in December than any other month

Cheap Denver flight deals and tips

Summary info about Denver flight prices, duration and airlines

Best One-Way Price

$729

Best Round-Trip Price

$1,394

Fastest flight time

18h 52m

Popular in

December
The best one-way flight price to Denver from Australia in the last 72 hours is $729 (Sydney Kingsford Smith to Denver Intl).
The best round-trip flight price to Denver from Australia in the last 72 hours is $1,394 (Sydney Kingsford Smith to Denver Intl).
The fastest flight to Denver from Australia takes 18h 52m (Brisbane to Denver Intl).
December has the highest demand for flights to Denver, with a 9% price increase on average.

Frequently asked questions about flying to Denver

How far in advance should I book a flight to Denver?

The ideal time to book your flight to Denver is 46 days in advance, when prices tend to average $1,659. In the past 72 hours, momondo users found flights from Australia to Denver for as low as $718.

Is there an alternative airport near Denver?

Denver Rocky Mountain Metropolitan Airport, Denver Arapahoe Co Airport, Loveland Northern Colorado Airport, Colorado Springs Airport or Cheyenne Airport can be an alternative airport used for travel to Denver.

When did momondo last update prices for flights to Denver Intl Airport?

Prices for flights to Denver Intl Airport refresh daily.

How many operators does momondo search for flights to Denver Intl Airport?

How old do you have to be to fly to Denver Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The necessary travel and health documents for your Denver Intl Airport 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 licence 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.

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Boulder
Keystone

Why use momondo?

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

It is quick and easy to find flights to Denver 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 Denver that suits you.

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

momondo does allow users to show only those flights to Denver which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Denver?

Once you have performed a search for flights to Denver, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

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Sat 30/8
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Popular routes according to searches in the past day on momondo