Which airlines fly to Denver?

When flying to Denver from Australia, momondo travellers will most often fly with one of these popular airlines: Qantas Airways, Air Canada, United Airlines or Air New Zealand. Depending on what airport in Australia you fly from, you may be able to find flights with any of these popular airlines.

Air New Zealand Flights to Denver

Air New Zealand is a popular choice for users travelling to Denver. It operates 56 flights every week to Denver, most often flying from Houston George Bush Intcntl. Air New Zealand ticket prices will depend on when and where you need to fly from - deals as low as $1,311 (from Adelaide) have been found by momondo users. In 520 reviews, momondo users have rated Air New Zealand at an average score of 8.0/10.

Virgin Australia Flights to Denver

Virgin Australia (7.6/10, 421 reviews) is also a popular choice for flights to Denver, with deals from as low as $1,361 from Brisbane, return. With 49 Virgin Australia flights to Denver on average each week, prices can vary significantly by origin and availability.

How long does it take to fly to Denver?

The flight from Australia to Denver depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Sydney Kingsford Smith (a popular airport in Australia) to Denver Intl (the most popular airport in Denver), then the flight time is 20h 51m on average. If you fly from Melbourne (another popular airport in Australia) to Denver Intl, then the average flight time is 24h 01m.

$819 Cheap Flights to Denver in 2025/26

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13:40 - 19:30BNE-DEN

21h 50m2 stops

17:30 - 08:30DEN-BNE

23h 00m2 stops

$1,376Air New Zealand

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Wed, 22 Apr - Wed, 29 Apr

11:50 - 00:02BNE-DEN

29h 12m2 stops

12:10 - 10:20DEN-BNE

29h 10m2 stops

$1,484Multiple Airlines

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Mon, 26 Jan - Wed, 4 Feb

11:20 - 16:33SYD-DEN

23h 13m1 stop

11:50 - 08:35DEN-SYD

27h 45m1 stop

$1,801Air Canada

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Thu, 19 Feb - Thu, 19 Mar

09:00 - 12:26SYD-DEN

21h 26m2 stops

19:05 - 08:35DEN-SYD

20h 30m1 stop

$1,824Air Canada

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Wed, 21 Jan - Wed, 11 Mar

11:20 - 18:53SYD-DEN

25h 33m1 stop

19:50 - 09:00DEN-SYD

20h 10m1 stop

$1,853Qantas Airways

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Wed, 21 Jan - Wed, 11 Mar

14:00 - 16:37SYD-DEN

20h 37m1 stop

05:20 - 09:15DEN-SYD

33h 55m1 stop

$1,967United Airlines

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Wed, 21 Jan - Wed, 4 Mar

11:20 - 12:18SYD-DEN

18h 58m1 stop

20:04 - 09:00DEN-SYD

18h 56m1 stop

$1,981Qantas Airways

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Sat, 7 Feb - Sat, 21 Feb

11:40 - 18:11BNE-DEN

23h 31m1 stop

05:35 - 07:30DEN-BNE

32h 55m1 stop

$2,176United Airlines

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Wed, 24 Dec - Sun, 4 Jan

13:00 - 20:53MEL-DEN

25h 53m1 stop

15:58 - 13:15DEN-MEL

27h 17m2 stops

$2,908Virgin Australia

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Thu, 18 Dec - Wed, 7 Jan

13:00 - 16:41MEL-DEN

21h 41m1 stop

07:50 - 09:30DEN-MEL

31h 40m1 stop

$3,030Virgin Australia

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Thu, 18 Dec - Wed, 7 Jan

Fly from

Route

Depart

Return

Price

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Wed 22/4

13:40-19:30

2 stops21h 50m

Denver Intl

Wed 29/4

17:30-08:30

2 stops23h 00m

$1,376

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Mon 26/1

11:50-00:02

2 stops29h 12m

Denver Intl

Wed 4/2

12:10-10:20

2 stops29h 10m

$1,484

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 19/2

11:20-16:33

1 stop23h 13m

Denver Intl

Thu 19/3

11:50-08:35

1 stop27h 45m

$1,801

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 21/1

09:00-12:26

2 stops21h 26m

Denver Intl

Wed 11/3

19:05-08:35

1 stop20h 30m

$1,824

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 21/1

11:20-18:53

1 stop25h 33m

Denver Intl

Wed 11/3

19:50-09:00

1 stop20h 10m

$1,853

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 21/1

14:00-16:37

1 stop20h 37m

Denver Intl

Wed 4/3

05:20-09:15

1 stop33h 55m

$1,967

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 7/2

11:20-12:18

1 stop18h 58m

Denver Intl

Sat 21/2

20:04-09:00

1 stop18h 56m

$1,981

BrisbaneDenver

BNE - DEN

BNEDEN

Brisbane

Wed 24/12

11:40-18:11

1 stop23h 31m

Denver Intl

Sun 4/1

05:35-07:30

1 stop32h 55m

$2,176

MelbourneDenver

MEL - DEN

MELDEN

Melbourne

Thu 18/12

13:00-20:53

1 stop25h 53m

Denver Intl

Wed 7/1

15:58-13:15

2 stops27h 17m

$2,908

MelbourneDenver

MEL - DEN

MELDEN

Melbourne

Thu 18/12

13:00-16:41

1 stop21h 41m

Denver Intl

Wed 7/1

07:50-09:30

1 stop31h 40m

$3,030

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Denver flights insights and trends

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Prices

Other information

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 $1,121. 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 $1,166.

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 $1,803. 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 $2,401.

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 $1,702. 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 $2,024.

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 $1,614 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 $1,424 on momondo.

Cheapest flights to Denver Intl

Find the cheapest flights to Denver Intl from your nearest city or airport

Find flights from Sydney to Denver

CHEAPEST MONTH TO FLY TO DENVER FROM SYDNEY	February	31% cheaper	Flying from Sydney to Denver costs on average just $1,121 in February
MOST EXPENSIVE MONTH TO FLY TO DENVER FROM SYDNEY	December	42% more expensive	It costs about $2,301 for flights to Denver from Sydney in December
MOST POPULAR MONTH TO FLY TO DENVER FROM SYDNEY	December	550% more users visited	More 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	$819
Best Round-Trip Price	$1,376
Fastest flight time	22h 15m
Popular in	December

The best one-way flight price to Denver from Australia in the last 72 hours is $819 (Sydney Kingsford Smith to Denver Intl).

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The best round-trip flight price to Denver from Australia in the last 72 hours is $1,376 (Brisbane to Denver Intl).

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The fastest flight to Denver from Australia takes 22h 15m (Brisbane to Denver Intl).

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December has the highest demand for flights to Denver, with a 6% price increase on average.

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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 $1,614. In the past 72 hours, momondo users found flights from Australia to Denver for as low as $710.

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?

The number of operators available for flights to Denver Intl Airport is 8 as of October 2025.

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.

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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.

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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.

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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.