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Cheap flights from Sydney to Denver from $865

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 3/6. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:00 - 23:30
SYD
-
DEN
27h 30m
2 stops
Multiple Airlines Logo
09:00 - 12:50
DEN
-
SYD
34h 50m
2 stops
$1,198Multiple Airlines
Sun, 8 Mar - Sun, 29 Mar
Air Canada Logo
10:25 - 12:37
SYD
-
DEN
19h 12m
1 stop
Air Canada Logo
19:05 - 08:35
DEN
-
SYD
20h 30m
1 stop
$1,342Air Canada
Thu, 19 Mar - Mon, 23 Mar
Air Canada Logo
09:20 - 18:04
SYD
-
DEN
24h 44m
2 stops
Air Canada Logo
19:50 - 07:20
DEN
-
SYD
19h 30m
1 stop
$1,345Air Canada
Tue, 18 Aug - Wed, 19 Aug
Air Canada Logo
10:25 - 12:37
SYD
-
DEN
19h 12m
1 stop
Air Canada Logo
17:30 - 08:35
DEN
-
SYD
46h 05m
2 stops
$1,353Air Canada
Thu, 19 Mar - Mon, 23 Mar
Air Canada Logo
09:20 - 23:12
SYD
-
DEN
29h 52m
1 stop
Air Canada Logo
19:50 - 07:20
DEN
-
SYD
19h 30m
1 stop
$1,371Air Canada
Sun, 12 Jul - Mon, 27 Jul
Qantas Airways Logo
09:10 - 11:00
SYD
-
DEN
17h 50m
1 stop
Qantas Airways Logo
18:07 - 07:05
DEN
-
SYD
20h 58m
1 stop
$1,376Qantas Airways
Mon, 13 Jul - Tue, 28 Jul
Air Canada Logo
08:30 - 12:37
SYD
-
DEN
22h 07m
2 stops
Air Canada Logo
16:15 - 07:20
DEN
-
SYD
47h 05m
2 stops
$1,378Air Canada
Wed, 4 Mar - Sun, 24 May
Qantas Airways Logo
11:20 - 12:34
SYD
-
DEN
19h 14m
1 stop
Qantas Airways Logo
11:31 - 07:05
DEN
-
SYD
27h 34m
1 stop
$1,384Qantas Airways
Wed, 4 Mar - Sun, 24 May
Qantas Airways Logo
11:20 - 19:14
SYD
-
DEN
25h 54m
1 stop
Qantas Airways Logo
18:08 - 07:05
DEN
-
SYD
20h 57m
1 stop
$1,388Qantas Airways
Wed, 4 Mar - Sun, 24 May
Qantas Airways Logo
11:20 - 12:29
SYD
-
DEN
18h 09m
1 stop
Qantas Airways Logo
14:48 - 09:00
DEN
-
SYD
25h 12m
2 stops
$1,391Qantas Airways
Tue, 10 Mar - Tue, 17 Mar

United Airlines flights from Sydney to Denver

Our best United Airlines deals on Sydney to Denver flight tickets
United Airlines
8 Mar
SYD14:00Sydney Kingsford Smith
22h 40m
2 stops
DEN18:40Denver Intl
29 Mar
DEN19:15Denver Intl
19h 40m
1 stop
SYD07:55Sydney Kingsford Smith
$1,449
United Airlines
15 June
SYD09:30Sydney Kingsford Smith
18h 43m
1 stop
DEN12:13Denver Intl
30 June
DEN13:26Denver Intl
25h 29m
2 stops
SYD06:55Sydney Kingsford Smith
$1,666
United Airlines
3 June
SYD09:30Sydney Kingsford Smith
18h 43m
1 stop
DEN12:13Denver Intl
17 June
DEN13:26Denver Intl
25h 29m
2 stops
SYD06:55Sydney Kingsford Smith
$1,668

American Airlines flights from Sydney to Denver

Our best American Airlines deals on Sydney to Denver flight tickets
American Airlines
4 Mar
SYD11:20Sydney Kingsford Smith
24h 55m
2 stops
DEN18:15Denver Intl
24 May
DEN11:31Denver Intl
27h 34m
1 stop
SYD07:05Sydney Kingsford Smith
$1,392
American Airlines
4 Mar
SYD11:20Sydney Kingsford Smith
24h 55m
2 stops
DEN18:15Denver Intl
24 May
DEN11:31Denver Intl
27h 34m
1 stop
SYD07:05Sydney Kingsford Smith
$1,395
American Airlines
21 Mar
SYD17:45Sydney Kingsford Smith
18h 49m
1 stop
DEN19:34Denver Intl
1 Apr
DEN12:33Denver Intl
26h 32m
2 stops
SYD08:05Sydney Kingsford Smith
$1,435

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 22 February 2026.
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

Sun 8/3

14:00-23:30

2 stops27h 30m

Denver Intl

Sun 29/3

09:00-12:50

2 stops34h 50m

$1,198

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 19/3

10:25-12:37

1 stop19h 12m

Denver Intl

Mon 23/3

19:05-08:35

1 stop20h 30m

$1,342

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 18/8

09:20-18:04

2 stops24h 44m

Denver Intl

Wed 19/8

19:50-07:20

1 stop19h 30m

$1,344

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 19/3

10:25-12:37

1 stop19h 12m

Denver Intl

Mon 23/3

17:30-08:35

2 stops46h 05m

$1,353

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 12/7

09:20-23:12

1 stop29h 52m

Denver Intl

Mon 27/7

19:50-07:20

1 stop19h 30m

$1,371

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 13/7

09:10-11:00

1 stop17h 50m

Denver Intl

Tue 28/7

18:07-07:05

1 stop20h 58m

$1,376

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 4/3

08:30-12:37

2 stops22h 07m

Denver Intl

Sun 24/5

16:15-07:20

2 stops47h 05m

$1,378

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 4/3

11:20-12:34

1 stop19h 14m

Denver Intl

Sun 24/5

11:31-07:05

1 stop27h 34m

$1,384

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 4/3

11:20-19:14

1 stop25h 54m

Denver Intl

Sun 24/5

18:08-07:05

1 stop20h 57m

$1,388

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 10/3

11:20-12:29

1 stop18h 09m

Denver Intl

Tue 17/3

14:48-09:00

2 stops25h 12m

$1,391

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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, March 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 $1,126. If you aren’t able to travel during the month of March, then book flights to Denver from Sydney during April instead. Flights to Denver in April, while not as cheap as those in March, still average around $1,342.

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 $1,512 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 $1,311 on momondo.

Can stopping save me money on Sydney to Denver flights?

You could potentially save up to 37% 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 February 2026, prices for Sydney to Denver flights are approximately 5% more expensive 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

Fastest flight time

17h 50m

Direct flights

None
The fastest flight from Sydney to Denver takes 17h 50m
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 50m.

  • 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 $993Free cancellationRating
7.5
996 reviews
Search Qantas Airways flights
Air CanadaPriceFrom $1,209Free cancellationRating
7.1
10,738 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,222Free cancellationRating
8.0
597 reviews
Search Air New Zealand flights
United AirlinesPriceFrom $1,345Free cancellationRating
7.4
9,341 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,488Free cancellationRating
7.2
11,340 reviews
Search American Airlines 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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