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$566+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap 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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$923
(Trip.com)

One-way from

$566
(BYOjet)

Popular in

January

Cheapest in

February

Average price

$1,335
Provider with most accurate pricing for Sydney Kingsford Smith-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Denver Intl flights.
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From Sydney Kingsford Smith to Denver Intl
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One-way flight from Sydney Kingsford Smith to Denver Intl
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Highest demand for flights based on searches. 8% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 8, 2026.

This Trip.com deal was found by Cheapflights users on 1/6. 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 2/52:00 pmSYD - DEN
2 stops27h 29mMultiple Airlines
Thu 2/128:56 amDEN - SYD
2 stops33h 39mMultiple Airlines
Deal found 1/6$923
This BYOjet deal was found by Cheapflights users on 1/6. 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.
Tue 2/39:55 amSYD - DEN
2 stops24h 37mAir New Zealand
Tue 2/103:48 pmDEN - SYD
2 stops22h 57mAir New Zealand
Deal found 1/6$980
This BYOjet deal was found by Cheapflights users on 1/6. 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.
Tue 7/287:50 amSYD - DEN
2 stops27h 40mAir New Zealand
Fri 9/115:30 pmDEN - SYD
2 stops23h 15mAir New Zealand
Deal found 1/6$1,008
This BYOjet deal was found by Cheapflights users on 1/6. 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.
Tue 2/311:20 amSYD - DEN
1 stop19h 17mAir Canada
Tue 2/107:05 pmDEN - SYD
1 stop20h 30mAir Canada
Deal found 1/6$1,018
This BYOjet deal was found by Cheapflights users on 1/6. 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.
Sat 5/3011:55 amSYD - DEN
2 stops23h 35mAir New Zealand
Sun 6/141:29 pmDEN - SYD
2 stops27h 16mAir New Zealand
Deal found 1/6$1,027
This Gotogate deal was found by Cheapflights users on 1/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/91:55 pmSYD - DEN
2 stops23h 42mAir New Zealand
Fri 2/134:03 pmDEN - SYD
2 stops22h 42mAir New Zealand
Deal found 1/6$1,048
This Air Canada deal was found by Cheapflights users on 1/5. 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.
Thu 2/1911:20 amSYD - DEN
1 stop23h 13mAir Canada
Mon 2/238:59 pmDEN - SYD
1 stop42h 36mAir Canada
Deal found 1/5$1,085
This BestPriceTravel deal was found by Cheapflights users on 1/6. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2111:20 amSYD - DEN
1 stop24h 39mAir Canada
Sat 2/287:05 pmDEN - SYD
1 stop20h 30mAir Canada
Deal found 1/6$1,087
This FlightHub deal was found by Cheapflights users on 1/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:20 amSYD - DEN
1 stop24h 24mAir Canada
Sun 5/246:10 pmDEN - SYD
2 stops45h 10mAir Canada
Deal found 1/7$1,094

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 January 8, 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

Thu 2/5

2:00 pm-11:29 pm

2 stops27h 29m

Denver Intl

Thu 2/12

8:56 am-12:35 pm

2 stops33h 39m

$923

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 2/3

11:20 am-12:37 pm

1 stop19h 17m

Denver Intl

Tue 2/10

7:05 pm-9:35 am

1 stop20h 30m

$1,018

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 5/30

11:55 am-7:30 pm

2 stops23h 35m

Denver Intl

Sun 6/14

1:29 pm-8:45 am

2 stops27h 16m

$1,027

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 2/9

1:55 pm-7:37 pm

2 stops23h 42m

Denver Intl

Fri 2/13

4:03 pm-8:45 am

2 stops22h 42m

$1,048

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 2/19

11:20 am-4:33 pm

1 stop23h 13m

Denver Intl

Mon 2/23

8:59 pm-9:35 am

1 stop42h 36m

$1,085

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 3/4

11:20 am-5:44 pm

1 stop24h 24m

Denver Intl

Sun 5/24

6:10 pm-7:20 am

2 stops45h 10m

$1,094

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 2/21

11:20 am-12:28 pm

1 stop19h 08m

Denver Intl

Sat 2/28

5:30 pm-9:35 am

2 stops46h 05m

$1,095

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 3/4

11:20 am-7:14 pm

1 stop25h 54m

Denver Intl

Sun 5/24

6:07 pm-7:05 am

1 stop20h 58m

$1,116

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 2/3

5:45 pm-10:30 am

1 stop34h 45m

Denver Intl

Tue 2/10

11:30 am-7:25 am

1 stop25h 55m

$1,135

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 4/15

11:55 am-7:40 pm

2 stops23h 45m

$566

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 21 results
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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 January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sydney-Denver flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 2, 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 $527). 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.

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 January 8, 2026.
Get a feel of what it's like to fly with Qantas Airways, United Airlines, and American 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
967 reviews

Food

7.0

Boarding

7.7

Overall

7.5

Comfort

7.5

Crew

8.2

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Marco,Dec 2025

BOS - LAX

There was no WiFi or tv traveling from LAX to Sydney. Way too long of a flight to have nothing.
Qantas Airways
7.5
Good
967 reviews
Qantas Airways
7.5
Good
967 reviews

Food

7.0

Boarding

7.7

Overall

7.5

Comfort

7.5

Crew

8.2

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Marco,Dec 2025

BOS - LAX

There was no WiFi or tv traveling from LAX to Sydney. Way too long of a flight to have nothing.
United Airlines
7.4
Good
9,139 reviews
Qantas Airways
7.5
Good
967 reviews

Food

7.0

Boarding

7.7

Overall

7.5

Comfort

7.5

Crew

8.2

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Marco,Dec 2025

BOS - LAX

There was no WiFi or tv traveling from LAX to Sydney. Way too long of a flight to have nothing.
American Airlines
7.2
Good
11,097 reviews
Qantas Airways
7.5
Good
967 reviews

Food

7.0

Boarding

7.7

Overall

7.5

Comfort

7.5

Crew

8.2

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Marco,Dec 2025

BOS - LAX

There was no WiFi or tv traveling from LAX to Sydney. Way too long of a flight to have nothing.

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 Air New Zealand 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 $693 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $775 and $977 round-trip. You may be able to fly from Sydney to Denver for 32% 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 $527). 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
Broomfield
Westminster
Lakewood
Golden
Greeley
Lone Tree
Wheat Ridge
Cripple Creek
Winter Park
Silverthorne
Central City
Frisco
Manitou Springs
Fort Morgan
Brighton
Longmont
Evergreen
Idaho Springs

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 3 airlines flying from Sydney to Denver

Discover the top 3 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$693Average$787FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$775Average$1,204FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$977Average$1,528FlexibilityNo cancel feeOn-time69%

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