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Cheap flights from Denver to Sydney from $892

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Denver to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Denver to Sydney
Explore the most affordable flight options available from Denver to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.

Mon 23/222:43
DEN
-
SYD
1 stop38h 42m
Multiple Airlines
Mon 9/314:00
SYD
-
DEN
2 stops36h 44m
Multiple Airlines
Deal found 27/1$1,364
Sun 15/222:43
DEN
-
SYD
1 stop38h 42m
Multiple Airlines
Wed 25/206:00
SYD
-
DEN
2 stops46h 02m
Multiple Airlines
Deal found 26/1$1,382
Mon 9/322:29
DEN
-
SYD
1 stop39h 56m
Multiple Airlines
Mon 16/314:00
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Deal found 27/1$1,383
Tue 24/211:30
DEN
-
SYD
1 stop25h 55m
Multiple Airlines
Tue 3/306:00
SYD
-
DEN
2 stops45h 49m
Multiple Airlines
Deal found 25/1$1,399
Wed 11/309:00
DEN
-
SYD
1 stop29h 25m
Multiple Airlines
Sun 22/314:00
SYD
-
DEN
2 stops36h 44m
Multiple Airlines
Deal found 25/1$1,403
Wed 1/422:30
DEN
-
SYD
1 stop40h 00m
Multiple Airlines
Wed 13/513:10
SYD
-
DEN
2 stops22h 39m
Multiple Airlines
Deal found 27/1$1,411
Sun 5/422:30
DEN
-
SYD
1 stop41h 00m
Multiple Airlines
Mon 13/413:15
SYD
-
DEN
2 stops37h 32m
Multiple Airlines
Deal found 27/1$1,412
Thu 19/309:00
DEN
-
SYD
2 stops34h 35m
Multiple Airlines
Sat 28/314:00
SYD
-
DEN
2 stops27h 30m
Multiple Airlines
Deal found 27/1$1,416
Tue 17/211:30
DEN
-
SYD
1 stop25h 55m
Multiple Airlines
Thu 19/214:00
SYD
-
DEN
2 stops37h 29m
Multiple Airlines
Deal found 26/1$1,438
Tue 10/211:30
DEN
-
SYD
1 stop25h 55m
Multiple Airlines
Fri 13/214:00
SYD
-
DEN
2 stops22h 05m
Multiple Airlines
Deal found 27/1$1,461
Fri 30/106:05
DEN
-
SYD
2 stops36h 30m
Multiple Airlines
Thu 5/206:00
SYD
-
DEN
2 stops35h 29m
Multiple Airlines
Deal found 26/1$1,480
Sun 5/422:30
DEN
-
SYD
1 stop41h 00m
Multiple Airlines
Thu 30/413:15
SYD
-
DEN
2 stops36h 30m
Multiple Airlines
Deal found 27/1$1,491

Find flight deals from Denver to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Sydney (SYD). 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 28 January 2026.

Round-trip from

$1,364

One-way from

$892

Popular in

December

Cheapest in

April

Average price

$1,861
23/2-9/3
  • 23/2-9/3
  • 3 total stops
  • 75h 26m total
  • Denver to Sydney
Search Deals
10/4
  • 10/4
  • 1 total stop
  • 41h 00m total
  • Denver to Sydney
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($579 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($102 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Denver to Sydney 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 28 January 2026.
Use the filters below to find and compare flights from Denver to Sydney that are best for you.

Fly from

Denver

Fly to

Sydney

Route

Depart

Return

Price

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 29/3

19:05-08:20

1 stop20h 15m

Sydney Kingsford Smith

Sun 12/4

09:20-12:38

1 stop19h 18m

$1,739

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Fri 17/4

11:20-07:20

2 stops28h 00m

Sydney Kingsford Smith

Sun 26/4

06:00-12:33

2 stops22h 33m

$1,838

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 1/4

11:19-08:20

2 stops28h 01m

Sydney Kingsford Smith

Wed 13/5

09:20-18:07

2 stops24h 47m

$1,847

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 26/2

19:52-19:45

2 stops29h 53m

Sydney Kingsford Smith

Sat 7/3

21:40-10:38

2 stops30h 58m

$1,904

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 8/3

18:10-06:05

1 stop18h 55m

Sydney Kingsford Smith

Sun 29/3

10:15-18:00

1 stop24h 45m

$1,968

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 3/3

15:54-09:05

2 stops23h 11m

Sydney Kingsford Smith

Wed 1/4

10:30-19:40

1 stop26h 10m

$1,973

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 15/2

15:59-06:50

2 stops20h 51m

Sydney Kingsford Smith

Mon 9/3

10:40-22:30

2 stops28h 50m

$1,973

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sun 8/3

18:10-06:05

1 stop18h 55m

Sydney Kingsford Smith

Wed 1/4

10:15-23:32

2 stops30h 17m

$1,973

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 19/3

16:43-09:00

2 stops23h 17m

Sydney Kingsford Smith

Mon 6/4

09:10-18:15

2 stops25h 05m

$2,022

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Fri 6/3

20:00-09:05

1 stop19h 05m

Sydney Kingsford Smith

Tue 31/3

10:30-12:12

1 stop18h 42m

$2,040

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 18 results
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2

Best time to book a flight from Denver to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Denver 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 Denver to Sydney

How far ahead should I book a flight from Denver to Sydney?

Use this chart to determine the optimal time to book a return flight from Denver to Sydney. Price data was last updated on 23 January 2026.

The best time to book flights from Denver to Sydney is 41 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 Denver to Sydney?

Currently, June is the cheapest month in which you can book a flight from Denver to Sydney (average of $950). Flying from Denver to Sydney in January is currently the most expensive (average of $1,228). 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 Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 28 January 2026.
See what other customers who have flown with Qantas Airways from Denver to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
978 reviews
Check prices

Comfort

7.5

Boarding

7.7

Food

7.0

Entertainment

7.2

Crew

8.2

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
978 reviews
Qantas Airways
7.5
Good
978 reviews
Check prices

Comfort

7.5

Boarding

7.7

Food

7.0

Entertainment

7.2

Crew

8.2

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

Related info for your journey

Find useful and relevant information for your journey from Denver to Sydney. 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 Denver to Sydney?

    Air Canada can get you from Denver to Sydney in just under 20h 15m. Your travel time can differ by up to . There are 13435 km between Denver and Sydney.

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

    According to our current data, Qantas Airways ($1,183), offers the cheapest pricing from Denver to Sydney. Qantas Airways is 27% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Denver to Sydney that include hotel bookings?

    Yes. In addition to deals on Denver to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Denver to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Sydney.

  • Can I find deals for business class flights from Denver to Sydney?

    Yes. Cheapflights offers flight deals from Denver to Sydney 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 Denver to Sydney?

    Currently, June is the cheapest month in which you can book a flight from Denver to Sydney (average of $950). Flying from Denver to Sydney in January is currently the most expensive (average of $1,228). 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 Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Manly
Katoomba
Terrigal
Lithgow
Leura
Coogee
Cronulla
Randwick
Bondi Beach

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 Denver to Sydney

Discover the top airline that operate flights from Denver to Sydney. 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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,183Average$1,908FlexibilityNo cancel feeOn-time74%
Search Qantas Airways 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 Denver to Sydney?

Deals for Denver to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Denver to Sydney.

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

Need flexible booking options for your flight to Sydney from Denver? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Denver today and book when prices fit your budget.

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