HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$464+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
Apr 28 — May 51
Tue 4/28
Tue 5/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sydney to Denver with Cheapflights

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 29, 2026.

This Trip.com deal was found by Cheapflights users on 3/26. 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.
Wed 4/151:15 pm
SYD
-
DEN
2 stops22h 34m
Multiple Airlines
Wed 5/67:20 am
DEN
-
SYD
2 stops46h 50m
Multiple Airlines
Deal found 3/26$862
This Trip.com deal was found by Cheapflights users on 3/26. 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 5/141:15 pm
SYD
-
DEN
2 stops27h 23m
Multiple Airlines
Mon 6/87:00 am
DEN
-
SYD
2 stops36h 50m
Multiple Airlines
Deal found 3/26$929
This Trip.com deal was found by Cheapflights users on 3/26. 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.
Sun 5/101:15 pm
SYD
-
DEN
2 stops27h 23m
Multiple Airlines
Sun 5/177:00 am
DEN
-
SYD
2 stops36h 50m
Multiple Airlines
Deal found 3/26$983
This Trip.com deal was found by Cheapflights users on 3/28. 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.
Mon 4/271:15 pm
SYD
-
DEN
3 stops51h 04m
Multiple Airlines
Mon 5/46:00 am
DEN
-
SYD
2 stops48h 10m
Multiple Airlines
Deal found 3/28$1,077
This KAYAK deal was found by Cheapflights users on 3/24. 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.
Mon 8/109:10 am
SYD
-
DEN
1 stop18h 18m
Qantas Airways
Mon 8/245:59 pm
DEN
-
SYD
1 stop21h 06m
Qantas Airways
Deal found 3/24$1,091
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Mon 5/185:50 pm
SYD
-
DEN
1 stop22h 48m
Multiple Airlines
Mon 6/12:00 pm
DEN
-
SYD
1 stop25h 30m
Multiple Airlines
Deal found 3/25$1,183
This BYOjet deal was found by Cheapflights users on 3/26. 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.
Mon 8/179:55 am
SYD
-
DEN
2 stops25h 35m
Air New Zealand
Tue 9/15:50 pm
DEN
-
SYD
2 stops22h 55m
Air New Zealand
Deal found 3/26$1,213
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/235:50 pm
SYD
-
DEN
1 stop31h 55m
Multiple Airlines
Sat 4/254:23 pm
DEN
-
SYD
2 stops27h 27m
Multiple Airlines
Deal found 3/28$1,217

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 March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$862
(Trip.com)

One-way from

$464
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$985
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. 10% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 29, 2026.
Use the filters below to find and compare flights from Sydney to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 5/10

1:15 pm-12:38 am

2 stops27h 23m

Denver Intl

Sun 5/17

7:00 am-11:50 am

2 stops36h 50m

$984

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 5/12

5:50 pm-1:12 pm

1 stop35h 22m

Denver Intl

Tue 5/19

10:39 pm-11:50 am

2 stops45h 11m

$1,133

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 4/23

5:50 pm-9:45 am

1 stop31h 55m

Denver Intl

Sat 4/25

4:23 pm-11:50 am

2 stops27h 27m

$1,217

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 8/18

11:55 am-7:30 pm

2 stops23h 35m

Denver Intl

Wed 9/2

4:20 pm-10:40 am

2 stops26h 20m

$1,252

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Fri 5/8

9:10 am-6:07 pm

2 stops24h 57m

Denver Intl

Fri 5/15

6:00 am-7:05 am

2 stops33h 05m

$1,257
Quickest round-trip

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sat 8/15

11:55 am-7:30 pm

2 stops23h 35m

Denver Intl

Sun 8/30

5:50 pm-8:45 am

2 stops22h 55m

$1,317

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Sun 4/26

5:50 pm-8:11 am

2 stops30h 21m

Denver Intl

Sun 5/3

5:15 am-7:30 am

2 stops34h 15m

$1,327

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 4/23

9:20 am-4:03 pm

2 stops22h 43m

Denver Intl

Sat 4/25

11:19 am-7:20 am

2 stops28h 01m

$1,599

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 6/11

9:30 am-12:13 pm

1 stop18h 43m

Denver Intl

Sat 6/27

9:20 pm-7:00 am

1 stop41h 40m

$1,637

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 6/11

9:15 am-11:59 pm

1 stop30h 44m

Denver Intl

Fri 6/26

12:29 pm-6:50 am

1 stop26h 21m

$1,670

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 18 resultsSorted by cheapest first
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 March.
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 March 13, 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 53 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, April is the cheapest month in which you can book a flight from Sydney to Denver (average of $477). Flying from Sydney to Denver in January is currently the most expensive (average of $1,009). 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 March 29, 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
1,014 reviews

Food

7.0

Crew

8.1

Entertainment

7.2

Boarding

7.7

Overall

7.5

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Qantas Airways
7.5
Good
1,014 reviews
Qantas Airways
7.5
Good
1,014 reviews

Food

7.0

Crew

8.1

Entertainment

7.2

Boarding

7.7

Overall

7.5

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
United Airlines
7.4
Good
9,510 reviews
Qantas Airways
7.5
Good
1,014 reviews

Food

7.0

Crew

8.1

Entertainment

7.2

Boarding

7.7

Overall

7.5

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

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 23h 35m. Fly via Air New Zealand to get the fastest option. The distance between Sydney and Denver is about 8348 mi.

  • 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 $787 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 29% 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 Air Canada, which is currently one of the cheapest options available, starting at $582. Qantas Airways flights start at $593 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, April is the cheapest month in which you can book a flight from Sydney to Denver (average of $477). Flying from Sydney to Denver in January is currently the most expensive (average of $1,009). 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
Westminster
Broomfield
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Glendale
Manitou Springs
Frisco
Englewood
Fort Morgan
Brighton

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.

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 March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$787Average$1,039FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$977Average$1,528FlexibilityNo cancel feeOn-time69%

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.