Find flights
When to book
Airlines
FAQs

Cheap flights from Sydney to Denver from $642

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
27 Feb — 6 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 28 January 2026.

Wed 11/314:00
SYD
-
DEN
2 stops27h 37m
Multiple Airlines
Wed 18/318:11
DEN
-
SYD
2 stops25h 24m
Multiple Airlines
Deal found 25/1$1,216
Wed 22/413:10
SYD
-
DEN
2 stops22h 39m
Multiple Airlines
Wed 20/513:35
DEN
-
SYD
1 stop25h 55m
Multiple Airlines
Deal found 26/1$1,399
Mon 2/214:00
SYD
-
DEN
2 stops38h 30m
Multiple Airlines
Mon 16/206:00
DEN
-
SYD
1 stop31h 25m
Multiple Airlines
Deal found 27/1$1,406
Wed 22/413:10
SYD
-
DEN
2 stops22h 39m
Multiple Airlines
Tue 19/513:35
DEN
-
SYD
1 stop25h 55m
Multiple Airlines
Deal found 26/1$1,408
Sun 8/314:00
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Sat 14/309:00
DEN
-
SYD
2 stops34h 35m
Multiple Airlines
Deal found 27/1$1,441
Sat 25/409:55
SYD
-
DEN
2 stops25h 45m
Air New Zealand
Wed 20/515:44
DEN
-
SYD
2 stops34h 26m
Air New Zealand
Deal found 26/1$1,478
Thu 23/420:45
SYD
-
DEN
2 stops31h 21m
Multiple Airlines
Wed 20/514:57
DEN
-
SYD
2 stops35h 53m
Multiple Airlines
Deal found 26/1$1,481
Thu 12/314:00
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Thu 19/309:00
DEN
-
SYD
2 stops44h 05m
Multiple Airlines
Deal found 25/1$1,491
Tue 24/214:00
SYD
-
DEN
2 stops37h 49m
Multiple Airlines
Tue 3/321:31
DEN
-
SYD
1 stop39h 54m
Multiple Airlines
Deal found 26/1$1,510

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 28 January 2026.

Round-trip from

$1,399

One-way from

$642

Popular in

January

Cheapest in

February

Average price

$1,922
22/4-20/5
  • 22/4-20/5
  • 3 total stops
  • 48h 34m total
  • Sydney to Denver
Search Deals
23/3
  • 23/3
  • 2 total stops
  • 36h 44m total
  • Sydney to Denver
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($196 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($58 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 28 January 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

Wed 11/3

14:00-00:37

2 stops27h 37m

Denver Intl

Wed 18/3

18:11-12:35

2 stops25h 24m

$1,216

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 25/4

13:15-23:06

2 stops25h 51m

Denver Intl

Wed 20/5

13:35-07:30

1 stop25h 55m

$1,588

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 26/4

20:45-12:06

2 stops31h 21m

Denver Intl

Wed 20/5

14:57-18:50

2 stops35h 53m

$1,628

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 4/3

11:20-19:14

1 stop25h 54m

Denver Intl

Sun 24/5

11:30-07:05

1 stop27h 35m

$1,634

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 23/4

20:45-12:06

2 stops31h 21m

Denver Intl

Sun 24/5

08:00-18:50

2 stops42h 50m

$1,701

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 23/3

14:00-00:30

2 stops27h 30m

Denver Intl

Mon 30/3

09:00-12:45

2 stops34h 45m

$1,740

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 23/4

20:45-12:06

2 stops31h 21m

Denver Intl

Thu 21/5

12:56-18:50

2 stops37h 54m

$1,760

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 28/4

13:15-19:49

2 stops22h 34m

Denver Intl

Sat 23/5

18:07-07:30

1 stop21h 23m

$1,775

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 18/6

11:55-19:30

2 stops23h 35m

Denver Intl

Fri 3/7

15:45-08:45

2 stops25h 00m

$1,792

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 26/4

20:45-21:49

2 stops41h 04m

Denver Intl

Sun 24/5

08:00-18:50

2 stops42h 50m

$1,828

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 19 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 23 January 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 $777). Flying from Sydney to Denver in December is currently the most expensive (average of $1,390). 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 28 January 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
577 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

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
577 reviews
Air New Zealand
8.0
Very Good
577 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

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
978 reviews
Air New Zealand
8.0
Very Good
577 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

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
9,205 reviews
Air New Zealand
8.0
Very Good
577 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

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
10,664 reviews
Air New Zealand
8.0
Very Good
577 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

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 $1,634, American Airlines can have you in Denver from Sydney in 25h 54m. 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 $1,234 and $1,246, respectively. You may be able to fly from Sydney to Denver for 32% 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 $777). Flying from Sydney to Denver in December is currently the most expensive (average of $1,390). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 28 January 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 4 airlines flying from Sydney to Denver

Discover the top 4 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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$994Average$1,150FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,234Average$1,511FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,246Average$1,450FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,372Average$1,836FlexibilityNo cancel feeOn-time69%
Search United 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.