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Cheap flights from Sydney to Denver from $685

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 25/2. 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 - 00:30
SYD
-
DEN
27h 30m
2 stops
Multiple Airlines Logo
09:00 - 12:45
DEN
-
SYD
34h 45m
2 stops
$1,319Multiple Airlines
Fri, 20 Mar - Fri, 27 Mar
Air Canada Logo
15:00 - 17:44
SYD
-
DEN
44h 44m
2 stops
Air Canada Logo
18:10 - 07:20
DEN
-
SYD
45h 10m
2 stops
$1,396Air Canada
Wed, 4 Mar - Sun, 24 May
Multiple Airlines Logo
14:00 - 00:30
SYD
-
DEN
27h 30m
2 stops
Multiple Airlines Logo
09:00 - 12:35
DEN
-
SYD
34h 35m
2 stops
$1,401Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar
Multiple Airlines Logo
14:00 - 09:44
SYD
-
DEN
36h 44m
2 stops
Multiple Airlines Logo
22:29 - 07:25
DEN
-
SYD
39h 56m
1 stop
$1,406Multiple Airlines
Fri, 20 Mar - Fri, 27 Mar
Air Canada Logo
11:20 - 12:37
SYD
-
DEN
19h 17m
1 stop
Air Canada Logo
08:05 - 09:35
DEN
-
SYD
31h 30m
1 stop
$1,407Air Canada
Wed, 18 Feb - Sat, 21 Feb
Air Canada Logo
11:20 - 12:37
SYD
-
DEN
19h 17m
1 stop
Air Canada Logo
18:10 - 07:20
DEN
-
SYD
45h 10m
2 stops
$1,409Air Canada
Wed, 4 Mar - Sun, 24 May
Air Canada Logo
11:20 - 12:37
SYD
-
DEN
19h 17m
1 stop
Air Canada Logo
08:05 - 14:40
DEN
-
SYD
36h 35m
2 stops
$1,416Air Canada
Wed, 18 Feb - Sat, 21 Feb
American Airlines Logo
11:20 - 19:34
SYD
-
DEN
26h 14m
1 stop
American Airlines Logo
20:04 - 07:25
DEN
-
SYD
41h 21m
1 stop
$1,436American Airlines
Thu, 19 Feb - Mon, 23 Feb
American Airlines Logo
11:20 - 19:14
SYD
-
DEN
25h 54m
1 stop
American Airlines Logo
18:07 - 07:05
DEN
-
SYD
20h 58m
1 stop
$1,437American Airlines
Wed, 4 Mar - Sun, 24 May
Qantas Airways Logo
09:10 - 11:00
SYD
-
DEN
17h 50m
1 stop
Qantas Airways Logo
18:07 - 07:30
DEN
-
SYD
21h 23m
1 stop
$1,440Qantas Airways
Tue, 9 Jun - Tue, 14 Jul

American Airlines flights from Sydney to Denver

Our best American Airlines deals on Sydney to Denver flight tickets
American Airlines
19 Feb
SYD11:20Sydney Kingsford Smith
26h 45m
2 stops
DEN20:05Denver Intl
23 Feb
DEN20:04Denver Intl
41h 21m
1 stop
SYD07:25Sydney Kingsford Smith
$1,436
American Airlines
4 Mar
SYD11:20Sydney Kingsford Smith
25h 54m
1 stop
DEN19:14Denver Intl
24 May
DEN18:07Denver Intl
20h 58m
1 stop
SYD07:05Sydney Kingsford Smith
$1,437
American Airlines
4 Mar
SYD11:20Sydney Kingsford Smith
19h 14m
1 stop
DEN12:34Denver Intl
24 May
DEN18:07Denver Intl
20h 58m
1 stop
SYD07:05Sydney Kingsford Smith
$1,441

Air Canada flights from Sydney to Denver

Our best Air Canada deals on Sydney to Denver flight tickets
Air Canada
12 Feb
SYD11:20Sydney Kingsford Smith
23h 13m
1 stop
DEN16:33Denver Intl
25 Feb
DEN08:05Denver Intl
31h 30m
1 stop
SYD09:35Sydney Kingsford Smith
$1,353
Air Canada
12 Feb
SYD08:30Sydney Kingsford Smith
27h 14m
2 stops
DEN17:44Denver Intl
25 Feb
DEN08:05Denver Intl
31h 30m
1 stop
SYD09:35Sydney Kingsford Smith
$1,376
Air Canada
4 Mar
SYD15:00Sydney Kingsford Smith
44h 44m
2 stops
DEN17:44Denver Intl
24 May
DEN18:10Denver Intl
45h 10m
2 stops
SYD07:20Sydney Kingsford Smith
$1,396

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 4 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

Fri 20/3

14:00-00:30

2 stops27h 30m

Denver Intl

Fri 27/3

09:00-12:45

2 stops34h 45m

$1,319

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 4/3

15:00-17:44

2 stops44h 44m

Denver Intl

Sun 24/5

18:10-07:20

2 stops45h 10m

$1,396

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 19/3

14:00-00:30

2 stops27h 30m

Denver Intl

Thu 26/3

09:00-12:35

2 stops34h 35m

$1,401

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 20/3

14:00-09:44

2 stops36h 44m

Denver Intl

Fri 27/3

22:29-07:25

1 stop39h 56m

$1,406

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 18/2

11:20-12:37

1 stop19h 17m

Denver Intl

Sat 21/2

08:05-09:35

1 stop31h 30m

$1,407

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 4/3

11:20-12:37

1 stop19h 17m

Denver Intl

Sun 24/5

18:10-07:20

2 stops45h 10m

$1,408

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 18/2

11:20-12:37

1 stop19h 17m

Denver Intl

Sat 21/2

08:05-14:40

2 stops36h 35m

$1,416

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 19/2

11:20-19:34

1 stop26h 14m

Denver Intl

Mon 23/2

20:04-07:25

1 stop41h 21m

$1,436

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 4/3

11:20-19:14

1 stop25h 54m

Denver Intl

Sun 24/5

18:07-07:05

1 stop20h 58m

$1,437

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 9/6

09:10-11:00

1 stop17h 50m

Denver Intl

Tue 14/7

18:07-07:30

1 stop21h 23m

$1,440

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between Sydney and Denver?

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 $1,073. 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 $1,087.

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 $1,473 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 $1,213 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 2% 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

18h 02m

Direct flights

None
The fastest flight from Sydney to Denver takes 18h 02m
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 18h 02m.

  • 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 $986Free cancellationRating
7.5
986 reviews
Search Qantas Airways flights
Air CanadaPriceFrom $1,223Free cancellationRating
7.1
10,688 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,236Free cancellationRating
8.0
580 reviews
Search Air New Zealand flights
United AirlinesPriceFrom $1,361Free cancellationRating
7.4
9,236 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,600Free cancellationRating
7.2
11,224 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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