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Denver

$578+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
Jul 5 — Jul 121
Sun 7/5
Sun 7/12
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 June 5, 2026.

This Trip.com deal was found by Cheapflights users on 6/3. 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.
Sun 7/192:10 pm
SYD
-
DEN
2 stops23h 02m
Multiple Airlines
Thu 8/63:20 pm
DEN
-
SYD
2 stops28h 30m
Multiple Airlines
Deal found 6/3$879
This Trip.com deal was found by Cheapflights users on 6/2. 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.
Tue 7/141:15 pm
SYD
-
DEN
3 stops36h 31m
Multiple Airlines
Tue 7/217:25 am
DEN
-
SYD
2 stops46h 45m
Multiple Airlines
Deal found 6/2$960
This Air Canada deal was found by Cheapflights users on 6/4. 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.
Tue 10/2710:20 am
SYD
-
DEN
2 stops23h 18m
Air Canada
Wed 11/117:00 pm
DEN
-
SYD
1 stop20h 35m
Air Canada
Deal found 6/4$1,008
This Expedia deal was found by Cheapflights users on 6/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:20 am
SYD
-
DEN
1 stop19h 09m
Air Canada
Tue 11/107:00 pm
DEN
-
SYD
1 stop20h 35m
Air Canada
Deal found 6/3$1,010
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Tue 10/2711:15 am
SYD
-
DEN
2 stops23h 23m
American Airlines
Wed 11/116:52 pm
DEN
-
SYD
2 stops20h 08m
American Airlines
Deal found 6/4$1,018
This Air Canada deal was found by Cheapflights users on 6/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:20 am
SYD
-
DEN
1 stop18h 48m
Air Canada
Mon 11/911:49 am
DEN
-
SYD
1 stop27h 46m
Air Canada
Deal found 6/2$1,051
This Expedia deal was found by Cheapflights users on 6/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:20 am
SYD
-
DEN
1 stop23h 38m
Air Canada
Sun 11/85:30 pm
DEN
-
SYD
2 stops46h 05m
Air Canada
Deal found 6/1$1,058
This American Airlines deal was found by Cheapflights users on 6/1. 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.
Sat 10/2410:10 am
SYD
-
DEN
1 stop18h 18m
American Airlines
Sun 11/812:55 pm
DEN
-
SYD
1 stop26h 05m
American Airlines
Deal found 6/1$1,073
This Air Canada deal was found by Cheapflights users on 5/31. 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.
Fri 10/2310:20 am
SYD
-
DEN
1 stop19h 11m
Air Canada
Sat 11/77:00 pm
DEN
-
SYD
1 stop20h 35m
Air Canada
Deal found 5/31$1,090

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 June 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$879
(Trip.com)

One-way from

$578
(Kiwi.com)

Popular in

May

Cheapest in

November

Average price

$1,121
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. 4% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 5, 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

Tue 10/27

11:15 am-5:38 pm

2 stops23h 23m

Denver Intl

Wed 11/11

6:52 pm-9:00 am

2 stops20h 08m

$1,018

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Mon 10/26

7:30 am-5:18 pm

2 stops26h 48m

Denver Intl

Tue 11/10

8:17 am-9:35 am

3 stops31h 18m

$1,120

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 11/5

11:20 am-4:38 pm

2 stops47h 18m

Denver Intl

Mon 11/9

3:43 pm-9:35 am

1 stop23h 52m

$1,169

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Thu 7/23

5:50 pm-9:12 pm

1 stop19h 22m

Denver Intl

Thu 7/30

3:20 pm-7:30 am

1 stop24h 10m

$1,251
Quickest round-trip

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Tue 7/14

9:20 am-5:13 pm

1 stop23h 53m

Denver Intl

Tue 7/21

7:45 pm-7:20 am

1 stop19h 35m

$1,300

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 6/24

9:30 am-10:08 am

2 stops40h 38m

Denver Intl

Fri 7/10

9:20 pm-7:00 am

1 stop41h 40m

$1,998

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 6/24

9:30 am-10:08 am

2 stops40h 38m

Denver Intl

Thu 7/9

6:00 am-6:55 am

1 stop32h 55m

$1,998

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 6/24

11:00 am-7:30 pm

2 stops48h 30m

Denver Intl

Fri 7/10

7:58 am-10:25 am

2 stops58h 27m

$2,037

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 6/24

9:15 am-10:00 pm

2 stops28h 45m

Denver Intl

Thu 7/9

12:45 pm-6:50 am

2 stops26h 05m

$2,044

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

Wed 6/24

9:15 am-11:34 am

1 stop18h 19m

Denver Intl

Fri 7/10

7:31 am-6:50 am

1 stop31h 19m

$2,044

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

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 June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust 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 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?

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 52 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, November is the cheapest month in which you can book a flight from Sydney to Denver (average of $993). Flying from Sydney to Denver in May is currently the most expensive (average of $1,291). 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 June 5, 2026.
Get a feel of what it's like to fly with 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.
United Airlines
7.4
Good
9,779 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,779 reviews
United Airlines
7.4
Good
9,779 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 23m. Fly via American Airlines or Air Canada to get the fastest option. The distance between Sydney and Denver is about 8348 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Sydney to Denver round-trip?

    Our cheapest airline available from Sydney to Denver is United Airlines. Our recent data shows that you can find tickets from as low as $889 on this airline. You may be able to fly from Sydney to Denver for 21% less than the average price by searching for this airline.

  • 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. Delta flights start at $820 while deals on United Airlines start at $823 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, November is the cheapest month in which you can book a flight from Sydney to Denver (average of $993). Flying from Sydney to Denver in May is currently the most expensive (average of $1,291). 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
Westminster
Lakewood
Broomfield
Centennial
Golden
Greeley
Fort Morgan
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen

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 airline flying from Sydney to Denver

Discover the top airline 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 June 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$889Average$1,519FlexibilityNo cancel feeOn-time69%

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