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Denver

$480+ Cheap flights from Sydney (SYD) to Denver (DEN)

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Sydney to Denver

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 February 4, 2026.

This Trip.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/202:00 pm
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Fri 3/279:00 am
DEN
-
SYD
2 stops34h 45m
Multiple Airlines
Deal found 2/3$924
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/122:00 pm
SYD
-
DEN
2 stops37h 29m
Multiple Airlines
Wed 2/257:31 pm
DEN
-
SYD
1 stop41h 54m
Multiple Airlines
Deal found 2/2$964
This Air Canada deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:00 pm
SYD
-
DEN
2 stops44h 44m
Air Canada
Sun 5/246:10 pm
DEN
-
SYD
2 stops45h 10m
Air Canada
Deal found 2/4$978
This Trip.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/192:00 pm
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Thu 3/269:00 am
DEN
-
SYD
2 stops34h 35m
Multiple Airlines
Deal found 2/2$982
This BYOjet deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1811:20 am
SYD
-
DEN
1 stop19h 17m
Air Canada
Sat 2/218:05 am
DEN
-
SYD
1 stop31h 30m
Air Canada
Deal found 2/3$986
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:20 am
SYD
-
DEN
2 stops26h 45m
American Airlines
Mon 2/238:04 pm
DEN
-
SYD
1 stop41h 21m
American Airlines
Deal found 2/2$1,006
This American Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:20 am
SYD
-
DEN
1 stop25h 54m
American Airlines
Sun 5/246:07 pm
DEN
-
SYD
1 stop20h 58m
American Airlines
Deal found 2/4$1,007
This Aunt Betty deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:10 am
SYD
-
DEN
1 stop17h 50m
Qantas Airways
Tue 7/146:07 pm
DEN
-
SYD
1 stop21h 23m
Qantas Airways
Deal found 2/4$1,009

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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$924
(Trip.com)

One-way from

$480
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$752
Provider with most accurate pricing for Sydney Kingsford Smith-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Denver Intl flights.
Search Deals
From Sydney Kingsford Smith to Denver Intl
Search Deals
One-way flight from Sydney Kingsford Smith to Denver Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated February 4, 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

Fri 3/20

2:00 pm-9:44 am

2 stops36h 44m

Denver Intl

Fri 3/27

10:29 pm-7:25 am

1 stop39h 56m

$985

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 3/4

11:20 am-12:37 pm

1 stop19h 17m

Denver Intl

Sun 5/24

6:10 pm-7:20 am

2 stops45h 10m

$987

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 2/18

11:20 am-12:37 pm

1 stop19h 17m

Denver Intl

Sat 2/21

8:05 am-2:40 pm

2 stops36h 35m

$992

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 2/19

11:20 am-8:05 pm

2 stops26h 45m

Denver Intl

Mon 2/23

8:04 pm-7:25 am

1 stop41h 21m

$1,006

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 6/9

9:10 am-11:00 am

1 stop17h 50m

Denver Intl

Tue 7/14

6:07 pm-7:30 am

1 stop21h 23m

$1,009

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 3/4

11:20 am-6:15 pm

2 stops24h 55m

Denver Intl

Sun 5/24

6:52 pm-7:05 am

2 stops20h 13m

$1,014

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 6/1

10:20 am-12:22 pm

1 stop18h 02m

Denver Intl

Tue 6/30

7:35 pm-7:00 am

1 stop19h 25m

$1,019

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 6/9

9:30 am-4:14 pm

1 stop22h 44m

Denver Intl

Tue 7/14

5:55 pm-6:55 am

2 stops21h 00m

$1,025

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 2/19

8:30 am-12:37 pm

2 stops22h 07m

Denver Intl

Mon 2/23

7:05 pm-2:40 pm

2 stops25h 35m

$1,046

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 2/25

2:00 pm-11:36 pm

3 stops51h 36m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 17 results
1
2

Compare providers for flights from Sydney to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to Denver in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sydney-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sydney-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Sydney to Denver. Price data was last updated on January 30, 2026.

The price you pay for your flight from Sydney to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $546). Flying from Sydney to Denver in December is currently the most expensive (average of $966). 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.

How much does it cost to fly round-trip from Sydney to Denver?

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 February 4, 2026.
Get a feel of what it's like to fly with Qantas Airways and United Airlines from Sydney to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
986 reviews

Food

7.0

Comfort

7.5

Overall

7.5

Crew

8.2

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Midhat,Jan 2026

WYA - ADL

Bad. Second time in a week the flight got delayed. This time for 1.5 hours. Hopefully this is not going to be a pattern.
Qantas Airways
7.5
Good
986 reviews
Qantas Airways
7.5
Good
986 reviews

Food

7.0

Comfort

7.5

Overall

7.5

Crew

8.2

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Midhat,Jan 2026

WYA - ADL

Bad. Second time in a week the flight got delayed. This time for 1.5 hours. Hopefully this is not going to be a pattern.
United Airlines
7.4
Good
9,236 reviews
Qantas Airways
7.5
Good
986 reviews

Food

7.0

Comfort

7.5

Overall

7.5

Crew

8.2

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Midhat,Jan 2026

WYA - ADL

Bad. Second time in a week the flight got delayed. This time for 1.5 hours. Hopefully this is not going to be a pattern.

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?

    There are many flights that can get you from Sydney to Denver in 19h 17m. Fly via Air Canada or American Airlines to get the fastest option. The distance between Sydney and Denver is about 8348 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Sydney to Denver is Qantas Airways. Our recent data shows that you can find tickets from as low as $712 on this airline. An additional option worth looking into is United Airlines, starting at $977. You may be able to fly from Sydney to Denver for 30% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Sydney to Denver one-way?

    To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $353. Air Canada flights start at $582 while deals on United Airlines start at $809 one-way.

  • 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 vacation 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 $546). Flying from Sydney to Denver in December is currently the most expensive (average of $966). 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Cripple Creek
Winter Park
Central City
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sydney to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Aspen flights
Sydney to Colorado Springs flights

Top 2 airlines flying from Sydney to Denver

Discover the top 2 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 2,558,603 searches. Data last updated February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$712Average$958FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$977Average$1,529FlexibilityNo cancel feeOn-time69%

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