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$502+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Denver Intl are usually found in February or March, booked 48 days in advance, depart on a Tuesday or Monday and return on a Tuesday

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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$910
(Trip.com)

One-way from

$502
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,128
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
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($283 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 15, 2025.

This Trip.com deal was found by Cheapflights users on 4/14. 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 5/94:20 pmSYD - DEN
2 stops37h 18mMultiple Airlines
Thu 8/75:50 pmDEN - SYD
2 stops28h 50mMultiple Airlines
Deal found 4/14$910
This Air New Zealand deal was found by Cheapflights users on 4/14. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/49:55 amSYD - DEN
2 stops25h 38mAir New Zealand
Mon 8/257:15 pmDEN - SYD
2 stops23h 20mAir New Zealand
Deal found 4/14$1,049
This BestPriceTravel deal was found by Cheapflights users on 4/14. 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.
Mon 8/45:10 pmSYD - DEN
2 stops21h 59mQantas Airways
Mon 8/2511:55 amDEN - SYD
1 stop27h 10mQantas Airways
Deal found 4/14$1,090
This Travelocity deal was found by Cheapflights users on 4/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:20 amSYD - DEN
1 stop26h 03mAir Canada
Mon 10/207:05 pmDEN - SYD
1 stop20h 15mAir Canada
Deal found 4/14$1,223
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/219:30 amSYD - DEN
1 stop20h 49mUnited Airlines
Fri 7/411:16 amDEN - SYD
1 stop27h 44mUnited Airlines
Deal found 4/15$1,303
This Ovago deal was found by Cheapflights users on 4/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/308:55 amSYD - DEN
2 stops43h 18mJapan Airlines
Fri 6/66:00 amDEN - SYD
2 stops56h 20mJapan Airlines
Deal found 4/15$1,479
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/29:25 amSYD - DEN
1 stop18h 35mDelta
Fri 5/96:40 amDEN - SYD
1 stop31h 55mDelta
Deal found 4/14$1,642
This KAYAK deal was found by Cheapflights users on 4/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/93:00 pmSYD - DEN
3 stops44h 40mSingapore Airlines
Fri 9/126:00 amDEN - SYD
2 stops31h 55mSingapore Airlines
Deal found 4/14$1,662
This Air Tahiti Nui deal was found by Cheapflights users on 4/14. 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 Tahiti Nui is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/117:10 amSYD - DEN
3 stops45h 03mAir Tahiti Nui
Tue 5/278:20 pmDEN - SYD
3 stops29h 30mAir Tahiti Nui
Deal found 4/14$1,754
This BYOjet deal was found by Cheapflights users on 4/15. 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 4/298:55 pmSYD - DEN
2 stops37h 12mANA
Sun 5/251:25 pmDEN - SYD
2 stops37h 50mANA
Deal found 4/15$4,089
This Fiji Airways deal was found by Cheapflights users on 4/14. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/211:45 pmSYD - DEN
2 stops25h 24mFiji Airways
Sun 6/296:18 pmDEN - SYD
2 stops25h 27mFiji Airways
Deal found 4/14$7,319
This Virgin Australia deal was found by Cheapflights users on 4/14. 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 Virgin Australia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/209:30 amSYD - DEN
1 stop24h 38mVirgin Australia
Sun 6/294:00 pmDEN - SYD
1 stop22h 55mVirgin Australia
Deal found 4/14$8,276

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 April 15, 2025.
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 5/9

4:20 pm-1:38 pm

2 stops37h 18m

Denver Intl

Thu 8/7

5:50 pm-2:40 pm

2 stops28h 50m

$910

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 5/11

9:10 am-4:00 pm

1 stop22h 50m

Denver Intl

Tue 5/27

8:20 pm-8:45 am

2 stops44h 25m

$1,275

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 6/21

9:30 am-2:19 pm

1 stop20h 49m

Denver Intl

Fri 7/4

11:16 am-7:00 am

1 stop27h 44m

$1,303

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 5/29

9:20 am-7:23 pm

1 stop26h 03m

Denver Intl

Thu 6/5

7:15 pm-7:20 am

1 stop20h 05m

$1,416

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 5/30

8:55 am-12:13 pm

2 stops43h 18m

Denver Intl

Fri 6/6

6:00 am-6:20 am

2 stops56h 20m

$1,479

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 5/2

9:25 am-12:00 pm

1 stop18h 35m

Denver Intl

Fri 5/9

6:40 am-6:35 am

1 stop31h 55m

$1,642

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 5/11

7:10 am-12:13 pm

3 stops45h 03m

Denver Intl

Tue 5/27

8:20 pm-5:50 pm

3 stops29h 30m

$1,754

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 4/29

8:55 pm-6:07 pm

2 stops37h 12m

Denver Intl

Sun 5/25

1:25 pm-7:15 pm

2 stops37h 50m

$4,089

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 6/21

1:45 pm-11:09 pm

2 stops25h 24m

Denver Intl

Sun 6/29

6:18 pm-11:45 am

2 stops25h 27m

$7,319

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 6/20

9:30 am-6:08 pm

1 stop24h 38m

Denver Intl

Sun 6/29

4:00 pm-6:55 am

1 stop22h 55m

$8,276

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Sydney-Denver flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 11, 2025.

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 48 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, October is the cheapest month in which you can book a flight from Sydney to Denver (average of $197). Flying from Sydney to Denver in March is currently the most expensive (average of $278). 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.

What is the cheapest time of day to fly from SYD to DEN?

Find hourly flight availability from Sydney to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

When flying from Sydney to Denver, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 1% versus a flight at noon.

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 15, 2025.
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Crew

9.1

Boarding

8.7

Overall

8.8

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Crew

9.1

Boarding

8.7

Overall

8.8

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very good
1,440 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Crew

9.1

Boarding

8.7

Overall

8.8

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very good
841 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Crew

9.1

Boarding

8.7

Overall

8.8

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Singapore Airlines
8.1
Very good
1,288 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Crew

9.1

Boarding

8.7

Overall

8.8

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Fiji Airways
8.0
Very good
183 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Crew

9.1

Boarding

8.7

Overall

8.8

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

  • 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 $1,275 on this airline. Additional options worth looking into are United Airlines and Air Canada, starting at $1,303 and $1,416 round-trip.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $858. Japan Airlines flights start at $876 while deals on Qantas Airways start at $912 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, October is the cheapest month in which you can book a flight from Sydney to Denver (average of $197). Flying from Sydney to Denver in March is currently the most expensive (average of $278). 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 Sydney?

Book flights to Sydney if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Silverthorne
Brighton
Golden
Greeley
Frisco
Grand Lake
Central City
Glendale
Copper Mountain
Wheat Ridge
Longmont
Thornton
Broomfield
Idaho Springs
Limon

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.
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Sydney to Aspen 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$712Average$1,255FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$737Average$1,466FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$775Average$1,441FlexibilityNo cancel feeOn-time71%

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