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Cheap flights from Sydney to Denver from $640

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Denver departing on 15/1. 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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Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
16:00 - 12:37SYD-DEN
38h 37m1 stop
Air Canada Logo
08:45 - 09:35DEN-SYD
30h 50m1 stop
$1,580Air Canada
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Air New Zealand Logo
11:45 - 17:57SYD-DEN
23h 12m2 stops
Air New Zealand Logo
17:51 - 08:45DEN-SYD
21h 54m2 stops
$1,583Air New Zealand
Find Deal
Mon, 9 Mar - Tue, 24 Mar
Air Canada Logo
16:00 - 12:37SYD-DEN
38h 37m1 stop
Air Canada Logo
17:30 - 09:35DEN-SYD
46h 05m2 stops
$1,589Air Canada
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Virgin Australia Logo
14:00 - 14:53SYD-DEN
17h 53m1 stop
Virgin Australia Logo
21:25 - 09:05DEN-SYD
18h 40m1 stop
$1,629Virgin Australia
Find Deal
Tue, 10 Mar - Wed, 25 Mar
Air Canada Logo
19:15 - 12:21SYD-DEN
35h 06m2 stops
Air Canada Logo
15:53 - 18:05DEN-SYD
32h 12m2 stops
$1,631Air Canada
Find Deal
Mon, 1 Dec - Mon, 8 Dec
American Airlines Logo
11:20 - 12:40SYD-DEN
18h 20m1 stop
American Airlines Logo
17:01 - 09:00DEN-SYD
22h 59m2 stops
$1,720American Airlines
Find Deal
Tue, 10 Mar - Wed, 25 Mar
American Airlines Logo
11:20 - 15:07SYD-DEN
20h 47m2 stops
American Airlines Logo
13:10 - 09:00DEN-SYD
26h 50m1 stop
$1,725American Airlines
Find Deal
Mon, 9 Mar - Tue, 24 Mar
Air New Zealand Logo
09:55 - 17:57SYD-DEN
25h 02m2 stops
Air New Zealand Logo
17:51 - 18:05DEN-SYD
31h 14m2 stops
$1,747Air New Zealand
Find Deal
Tue, 10 Mar - Wed, 25 Mar
Alaska Airlines Logo
21:40 - 14:41SYD-DEN
34h 01m2 stops
Alaska Airlines Logo
20:02 - 19:45DEN-SYD
29h 43m2 stops
$1,884Alaska Airlines
Find Deal
Tue, 28 Oct - Wed, 12 Nov
Alaska Airlines Logo
21:40 - 12:27SYD-DEN
31h 47m2 stops
Alaska Airlines Logo
20:02 - 19:45DEN-SYD
29h 43m2 stops
$1,970Alaska Airlines
Find Deal
Thu, 30 Oct - Tue, 11 Nov

Air Canada flights from Sydney to Denver

Our best Air Canada deals on Sydney to Denver flight tickets
Air Canada
1 Dec
SYD16:00Sydney Kingsford Smith
38h 37m
1 stop
DEN12:37Denver Intl
8 Dec
DEN08:45Denver Intl
30h 50m
1 stop
SYD09:35Sydney Kingsford Smith
$1,580
Find similar
Air Canada
1 Dec
SYD16:00Sydney Kingsford Smith
38h 37m
1 stop
DEN12:37Denver Intl
8 Dec
DEN17:30Denver Intl
46h 05m
2 stops
SYD09:35Sydney Kingsford Smith
$1,589
Find similar
Air Canada
1 Dec
SYD19:15Sydney Kingsford Smith
35h 06m
2 stops
DEN12:21Denver Intl
8 Dec
DEN15:53Denver Intl
32h 12m
2 stops
SYD18:05Sydney Kingsford Smith
$1,631
Find similar

Air New Zealand flights from Sydney to Denver

Our best Air New Zealand deals on Sydney to Denver flight tickets
Air New Zealand
9 Mar
SYD11:45Sydney Kingsford Smith
23h 12m
2 stops
DEN17:57Denver Intl
24 Mar
DEN17:51Denver Intl
21h 54m
2 stops
SYD08:45Sydney Kingsford Smith
$1,583
Find similar
Air New Zealand
10 Mar
SYD09:55Sydney Kingsford Smith
25h 02m
2 stops
DEN17:57Denver Intl
25 Mar
DEN17:51Denver Intl
31h 14m
2 stops
SYD18:05Sydney Kingsford Smith
$1,747
Find similar
Air New Zealand
15 Dec
SYD11:45Sydney Kingsford Smith
22h 37m
2 stops
DEN16:22Denver Intl
22 Dec
DEN07:45Denver Intl
41h 20m
2 stops
SYD19:05Sydney Kingsford Smith
$1,893
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Denver 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 18 October 2025.
Use the filters below to find and compare flights from Sydney to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 1/12

16:00-12:37

1 stop38h 37m

Denver Intl

Mon 8/12

08:45-09:35

1 stop30h 50m

$1,580

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 9/3

11:45-17:57

2 stops23h 12m

Denver Intl

Tue 24/3

17:51-08:45

2 stops21h 54m

$1,583

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 1/12

16:00-12:37

1 stop38h 37m

Denver Intl

Mon 8/12

17:30-09:35

2 stops46h 05m

$1,589

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 10/3

14:00-14:53

1 stop17h 53m

Denver Intl

Wed 25/3

21:25-09:05

1 stop18h 40m

$1,629

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 1/12

19:15-12:21

2 stops35h 06m

Denver Intl

Mon 8/12

15:53-18:05

2 stops32h 12m

$1,631

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 10/3

11:20-12:40

1 stop18h 20m

Denver Intl

Wed 25/3

17:01-09:00

2 stops22h 59m

$1,720

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 9/3

11:20-15:07

2 stops20h 47m

Denver Intl

Tue 24/3

13:10-09:00

1 stop26h 50m

$1,725

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 10/3

09:55-17:57

2 stops25h 02m

Denver Intl

Wed 25/3

17:51-18:05

2 stops31h 14m

$1,747

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 28/10

21:40-14:41

2 stops34h 01m

Denver Intl

Wed 12/11

20:02-19:45

2 stops29h 43m

$1,884

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 30/10

21:40-12:27

2 stops31h 47m

Denver Intl

Tue 11/11

20:02-19:45

2 stops29h 43m

$1,970

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

How to get the cheapest flight ticket from Sydney to Denver

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 Denver?

In general, February is the cheapest month to fly from Sydney to Denver. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,131. If you aren’t able to travel during the month of February, then book flights to Denver from Sydney during March instead. Flights to Denver in March, while not as cheap as those in February, still average around $1,182.

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 Sydney. The lowest ticket price found for a Monday departure recently was $1,827. 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 Sydney to Denver for around $2,433.

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 Sydney to Denver at midday for as low as $1,725. 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 $2,052.

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

You are more likely to see cheaper flights to Denver from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $1,635 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 Sydney for as low as $1,440 on momondo.

Can stopping save me money on Sydney to Denver flights?

You could potentially save up to 9% on your flight if you consider stops on a Sydney to Denver flight.

How have Sydney to Denver flight prices changed over time?

As of October 2025, prices for Sydney to Denver flights are approximately 41% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Sydney to Denver (SYD to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Denver

Direct flights

None
There are no direct flights from Sydney to Denver. There are no popular flight routes from Sydney to Denver.
Search flight deals

  • How far is Sydney Kingsford Smith to Denver Intl by plane?

    Sydney Kingsford Smith and Denver Intl are 13398.4 km apart from one another. A reasonable flight in good conditions will take 17h 53m.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Denver Intl Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Denver Intl Airport are updated daily.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Denver Intl Airport?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport 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 from Sydney Kingsford Smith Airport to Denver Intl Airport.

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

    The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Sydney to Denver?

Best airlines flying from Sydney to Denver

Compare and see reviews for airlines that fly from Sydney to Denver with momondo
Airline
Rating
Free cancellation
Price
Qantas AirwaysPriceFrom $1,050Free cancellationRating
7.5
921 reviews
Search Qantas Airways flights
Air CanadaPriceFrom $1,323Free cancellationRating
7.1
10,319 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,336Free cancellationRating
8.0
515 reviews
Search Air New Zealand flights
United AirlinesPriceFrom $1,471Free cancellationRating
7.4
8,986 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,730Free cancellationRating
7.2
11,035 reviews
Search American Airlines flights
Virgin AustraliaPriceFrom $2,019Free cancellationRating
7.6
421 reviews
Search Virgin Australia flights

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 from Sydney to Denver?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Denver from Sydney.

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

All flight searches from Sydney to Denver on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Sydney to Denver flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Sydney to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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