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Cheap flights from Sydney to Denver from $639

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DEN
9 mag — 16 mag1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Denver

Enter your travel dates to find the best prices.

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 9 aprile 2026.

sab 23/513:15
SYD
-
DEN
2 stops22h 51m
Multiple Airlines
sab 30/514:00
DEN
-
SYD
2 stops29h 50m
Multiple Airlines
Deal found 8/4$1,402
mer 20/513:20
SYD
-
DEN
3 stops34h 48m
Multiple Airlines
mer 27/507:20
DEN
-
SYD
2 stops46h 50m
Multiple Airlines
Deal found 5/4$1,426
gio 21/513:15
SYD
-
DEN
2 stops27h 23m
Multiple Airlines
gio 28/514:00
DEN
-
SYD
2 stops29h 50m
Multiple Airlines
Deal found 6/4$1,484
sab 9/517:50
SYD
-
DEN
1 stop32h 14m
Multiple Airlines
lun 18/522:39
DEN
-
SYD
1 stop40h 51m
Multiple Airlines
Deal found 7/4$1,769
sab 13/609:10
SYD
-
DEN
1 stop31h 30m
Multiple Airlines
sab 27/607:00
DEN
-
SYD
1 stop32h 05m
Multiple Airlines
Deal found 8/4$1,850
ven 7/817:50
SYD
-
DEN
1 stop32h 12m
Multiple Airlines
sab 15/807:00
DEN
-
SYD
2 stops36h 50m
Multiple Airlines
Deal found 7/4$1,909
mer 10/617:50
SYD
-
DEN
2 stops26h 08m
Multiple Airlines
gio 25/612:32
DEN
-
SYD
1 stop26h 58m
Multiple Airlines
Deal found 8/4$1,918
dom 14/617:50
SYD
-
DEN
1 stop22h 50m
Multiple Airlines
lun 29/612:32
DEN
-
SYD
1 stop26h 58m
Multiple Airlines
Deal found 8/4$1,929

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 9 aprile 2026.

Round-trip from

$1,402

One-way from

$639

Popular in

January

Cheapest in

November

Average price

$1,661
23/5-30/5
  • 23/5-30/5
  • 4 total stops
  • 52h 41m total
  • Sydney to Denver
Search Deals
11/6
  • 11/6
  • 3 total stops
  • 31h 33m total
  • Sydney to Denver
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($256 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($53 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 9 aprile 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 return flight

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

mer 20/5

13:20-08:08

3 stops34h 48m

Denver Intl

mer 27/5

07:20-22:10

2 stops46h 50m

$1,426

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

gio 18/6

09:20-23:12

1 stop29h 52m

Denver Intl

lun 22/6

16:15-07:20

2 stops47h 05m

$2,045

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

lun 31/8

09:20-23:12

1 stop29h 52m

Denver Intl

mar 15/9

15:47-07:20

2 stops23h 33m

$2,099

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

ven 29/5

09:20-12:35

1 stop19h 15m

Denver Intl

mar 2/6

06:00-07:20

2 stops33h 20m

$2,138

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

ven 7/8

11:55-20:14

2 stops24h 19m

Denver Intl

sab 15/8

16:20-08:45

2 stops24h 25m

$2,166

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

dom 3/5

20:45-12:06

2 stops31h 21m

Denver Intl

dom 10/5

18:07-18:50

2 stops32h 43m

$2,228

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

mar 5/5

09:20-16:03

2 stops22h 43m

Denver Intl

mar 16/6

11:23-07:20

2 stops27h 57m

$2,261

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

ven 22/5

20:45-19:11

2 stops38h 26m

Denver Intl

mer 10/6

19:05-18:50

2 stops31h 45m

$2,295
Fastest return journey

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

sab 27/6

09:15-11:34

1 stop18h 19m

Denver Intl

ven 10/7

19:16-06:50

1 stop19h 34m

$2,390
Cheapest one-way

SydneyDenver

SYD - DEN

SYDDEN

Sydney Kingsford Smith

gio 11/6

08:20-23:53

3 stops31h 33m

$639

Flights are sorted by cheapest return flights first.

Deals found on 5/4

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 return 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 return flight from Sydney to Denver. Price data was last updated on 3 April 2026.

The best time to book flights from Sydney to Denver is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $676). Flying from Sydney to Denver in January is currently the most expensive (average of $1,430). 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 for a return flight 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 9 aprile 2026.
Read through reviews of airlines operating flights from Sydney to Denver, such as Air New Zealand,Qantas Airways, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
626 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Food

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air New Zealand
8.0
Very Good
626 reviews
Air New Zealand
8.0
Very Good
626 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Food

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Qantas Airways
7.5
Good
1,017 reviews
Air New Zealand
8.0
Very Good
626 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Food

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
United Airlines
7.4
Good
9,559 reviews
Air New Zealand
8.0
Very Good
626 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Food

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
American Airlines
7.1
Good
11,562 reviews
Air New Zealand
8.0
Very Good
626 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Food

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air Canada
7.1
Good
10,913 reviews
Air New Zealand
8.0
Very Good
626 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Food

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

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?

    For as low as $2,045, Air Canada can have you in Denver from Sydney in 29h 52m. Sydney and Denver are separated by a distance of 13435 km.

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

    Currently priced at $1,013, Qantas Airways will fly you from Sydney to Denver and back. In addition to Qantas Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Air New Zealand - these airlines can fly you to your destination from $1,215 and $1,228, respectively. You may be able to fly from Sydney to Denver for 37% less than the average price by searching for these airlines.

  • 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 holiday 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 $676). Flying from Sydney to Denver in January is currently the most expensive (average of $1,430). 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

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Englewood

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Fly from Sydney to Denver on these airlines

Choose from the following airlines for your flight from Sydney to Denver. Flights are based on user searches made on Cheapflights and were last updated on 9 aprile 2026.
Air Canada flights from Sydney Kingsford Smith to Denver Intl
Qantas Airways flights from Sydney Kingsford Smith to Denver Intl
United Airlines flights from Sydney Kingsford Smith to Denver Intl

Top 5 airlines flying from Sydney to Denver

Discover the top 5 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 647,157 searches. Data last updated 9 aprile 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,013Average$1,475FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,215Average$1,492FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,228Average$1,432FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,369Average$1,817FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$1,566Average$1,589FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to Denver?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Denver from Sydney today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Sydney to Denver?

Cheapflights helps you find that perfect flight to Denver from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to Denver with no change fees?

Yes! Cheapflights helps users easily find flights from Sydney to Denver with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to Denver become cheaper?

Of course! You can now track prices for flights from Sydney to Denver and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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