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Cheap flights from Sydney to Denver from $816

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
19 Mar — 26 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Denver

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Denver
Explore the most affordable flight options available from Sydney to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 February 2026.

Tue 17/314:00
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Tue 24/309:00
DEN
-
SYD
2 stops34h 35m
Multiple Airlines
Deal found 17/2$1,055
Sun 27/920:30
SYD
-
DEN
2 stops42h 38m
Multiple Airlines
Tue 6/1009:40
DEN
-
SYD
1 stop29h 40m
Multiple Airlines
Deal found 16/2$1,287
Thu 19/310:25
SYD
-
DEN
1 stop19h 12m
Air Canada
Thu 26/319:05
DEN
-
SYD
1 stop20h 30m
Air Canada
Deal found 15/2$1,294
Sun 27/909:20
SYD
-
DEN
1 stop23h 38m
Air Canada
Tue 6/1009:40
DEN
-
SYD
1 stop29h 40m
Air Canada
Deal found 16/2$1,305
Wed 4/1111:20
SYD
-
DEN
1 stop24h 24m
Air Canada
Thu 19/1107:45
DEN
-
SYD
2 stops31h 50m
Air Canada
Deal found 13/2$1,343
Sat 7/1111:20
SYD
-
DEN
1 stop19h 17m
Air Canada
Sat 21/1119:05
DEN
-
SYD
1 stop20h 30m
Air Canada
Deal found 13/2$1,350
Wed 4/1111:20
SYD
-
DEN
2 stops24h 58m
Air Canada
Wed 18/1113:25
DEN
-
SYD
2 stops26h 10m
Air Canada
Deal found 13/2$1,352
Wed 4/1111:20
SYD
-
DEN
1 stop19h 17m
Air Canada
Sun 22/1117:30
DEN
-
SYD
2 stops46h 05m
Air Canada
Deal found 13/2$1,356

Find flight deals from Sydney to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 February 2026.

Round-trip from

$1,055

One-way from

$816

Popular in

January

Cheapest in

March

Average price

$1,561
17/3-24/3
  • 17/3-24/3
  • 4 total stops
  • 62h 05m total
  • Sydney to Denver
Search Deals
17/3
  • 17/3
  • 3 total stops
  • 35h 10m total
  • Sydney to Denver
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($345 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($50 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 17 February 2026.
Use the filters below to find and compare flights from Sydney to Denver that are best for you.

Fly from

Sydney

Fly to

Denver

Route

Depart

Return

Price

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 17/3

14:00-00:30

2 stops27h 30m

Denver Intl

Tue 24/3

09:00-12:35

2 stops34h 35m

$1,055

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 19/3

10:25-12:37

1 stop19h 12m

Denver Intl

Thu 26/3

19:05-08:35

1 stop20h 30m

$1,294

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 10/3

10:20-12:37

1 stop19h 17m

Denver Intl

Tue 17/3

19:05-08:35

1 stop20h 30m

$1,380

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 7/7

09:20-17:13

1 stop23h 53m

Denver Intl

Wed 22/7

19:50-07:20

1 stop19h 30m

$1,394

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 4/3

15:00-12:28

2 stops39h 28m

Denver Intl

Sun 24/5

18:10-07:20

2 stops45h 10m

$1,394

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 10/3

11:20-12:29

1 stop18h 09m

Denver Intl

Tue 17/3

19:44-09:00

1 stop20h 16m

$1,395

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 17/3

11:20-12:29

1 stop18h 09m

Denver Intl

Tue 24/3

16:44-09:00

2 stops23h 16m

$1,395

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 4/3

11:20-15:13

2 stops21h 53m

Denver Intl

Sun 24/5

11:31-07:05

1 stop27h 34m

$1,395

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 24/3

06:20-00:30

3 stops35h 10m

$816

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 17/3

06:20-00:30

3 stops35h 10m

$816

Flights are sorted by cheapest return flights first.

Deals found on 16/2

Showing 1-10 of 15 results
1
2

Best time to book a flight from Sydney to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Denver

How far ahead should I book a flight from Sydney to Denver?

Use this chart to determine the optimal time to book a return flight from Sydney to Denver. Price data was last updated on 13 February 2026.

The best time to book flights from Sydney to Denver is 46 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Sydney to Denver?

Currently, March is the cheapest month in which you can book a flight from Sydney to Denver (average of $741). Flying from Sydney to Denver in January is currently the most expensive (average of $1,425). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated 17 February 2026.
Read through reviews of airlines operating flights from Sydney to Denver, such as Air New Zealand, Qantas Airways, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
585 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Entertainment

7.4

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air New Zealand
8.0
Very Good
585 reviews
Air New Zealand
8.0
Very Good
585 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Entertainment

7.4

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Qantas Airways
7.5
Good
991 reviews
Air New Zealand
8.0
Very Good
585 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Entertainment

7.4

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
United Airlines
7.4
Good
9,308 reviews
Air New Zealand
8.0
Very Good
585 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Entertainment

7.4

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
American Airlines
7.2
Good
11,294 reviews
Air New Zealand
8.0
Very Good
585 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Entertainment

7.4

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air Canada
7.1
Good
10,725 reviews
Air New Zealand
8.0
Very Good
585 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

8.0

Entertainment

7.4

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

Related info for your journey

Find useful and relevant information for your journey from Sydney to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sydney to Denver?

    For as low as $1,294, Air Canada can have you in Denver from Sydney in 19h 12m. Sydney and Denver are separated by a distance of 13435 km.

  • What are the cheapest airlines flying from Sydney to Denver round-trip?

    Currently priced at $994, Qantas Airways will fly you from Sydney to Denver and back. In addition to Qantas Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Air New Zealand - these airlines can fly you to your destination from $1,210 and $1,223, respectively. You may be able to fly from Sydney to Denver for 34% less than the average price by searching for these airlines.

  • Can I find deals for flights from Sydney to Denver that include hotel bookings?

    Yes. In addition to deals on Sydney to Denver flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Denver.

  • Can I find deals for business class flights from Sydney to Denver?

    Yes. Cheapflights offers flight deals from Sydney to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to Denver?

    Currently, March is the cheapest month in which you can book a flight from Sydney to Denver (average of $741). Flying from Sydney to Denver in January is currently the most expensive (average of $1,425). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Englewood

Browse thousands of different options on Cheapflights for your next trip

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Fly from Sydney to Denver on these airlines

Choose from the following airlines for your flight from Sydney to Denver. Flights are based on user searches made on Cheapflights and were last updated on 17 February 2026.
Qantas Airways flights from Sydney Kingsford Smith to Denver Intl
Air Canada flights from Sydney Kingsford Smith to Denver Intl
United Airlines flights from Sydney Kingsford Smith to Denver Intl

Top 5 airlines flying from Sydney to Denver

Discover the top 5 airlines that operate flights from Sydney to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 17 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$976Average$1,312FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,210Average$1,485FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,223Average$1,427FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,346Average$1,803FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$1,583Average$1,609FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to Denver?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Denver from Sydney today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Sydney to Denver?

Cheapflights helps you find that perfect flight to Denver from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to Denver with no change fees?

Yes! Cheapflights helps users easily find flights from Sydney to Denver with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to Denver become cheaper?

Of course! You can now track prices for flights from Sydney to Denver and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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