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$447+ Cheap flights from Aurora, CO to Sydney (SYD)

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Aurora to Sydney Kingsford Smith are usually found in April or May, booked 84 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Aurora to Sydney

Keep the following information in mind while searching for Aurora to Sydney flight deals. Data was last updated September 15, 2025.

Round-trip from

$1,015
(Alaska Airlines)

One-way from

$447
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$1,034
From Aurora to Sydney Kingsford Smith
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One-way flight from Aurora to Sydney Kingsford Smith
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Highest demand for flights based on searches. 17% potential increase in price ($218 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Aurora to Sydney

Cheapest flights from Aurora to Sydney
Explore the most affordable flight options available from Aurora to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/118:02 pmDEN - SYD
2 stops29h 43mAlaska Airlines
Tue 11/189:40 pmSYD - DEN
2 stops32h 47mAlaska Airlines
Deal found 9/14$1,015
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:20 pmDEN - SYD
2 stops32h 25mAlaska Airlines
Tue 10/289:40 pmSYD - DEN
2 stops34h 01mAlaska Airlines
Deal found 9/15$1,048
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:02 pmDEN - SYD
2 stops29h 43mAlaska Airlines
Sat 11/159:40 pmSYD - DEN
1 stop35h 01mAlaska Airlines
Deal found 9/14$1,091
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:00 amDEN - SYD
2 stops26h 10mMultiple Airlines
Tue 11/185:45 pmSYD - DEN
1 stop34h 33mMultiple Airlines
Deal found 9/14$1,112
This Jetabroad deal was found by Cheapflights users on 9/13. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/153:02 pmDEN - SYD
2 stops35h 43mHawaiian Airlines
Fri 10/319:40 pmSYD - DEN
2 stops30h 54mHawaiian Airlines
Deal found 9/13$1,116
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:37 pmDEN - SYD
2 stops35h 08mAlaska Airlines
Thu 11/69:40 pmSYD - DEN
2 stops35h 01mAlaska Airlines
Deal found 9/15$1,118
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/213:00 pmDEN - SYD
2 stops35h 45mAlaska Airlines
Fri 10/319:40 pmSYD - DEN
2 stops30h 54mAlaska Airlines
Deal found 9/14$1,129
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/308:55 pmDEN - SYD
2 stops42h 35mMultiple Airlines
Tue 10/146:45 pmSYD - DEN
1 stop32h 34mMultiple Airlines
Deal found 9/14$1,134
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:02 pmDEN - SYD
2 stops29h 43mAlaska Airlines
Thu 11/279:40 pmSYD - DEN
2 stops35h 07mAlaska Airlines
Deal found 9/14$1,136
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:23 pmDEN - SYD
2 stops30h 22mAlaska Airlines
Sat 10/119:40 pmSYD - DEN
2 stops31h 13mAlaska Airlines
Deal found 9/12$1,139
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/259:23 pmDEN - SYD
2 stops30h 22mAlaska Airlines
Sat 10/119:40 pmSYD - DEN
2 stops33h 26mAlaska Airlines
Deal found 9/12$1,158

Cheapflights Fare Finder

 
Customize your flight search to find flights from Aurora 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 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Aurora to Sydney that are best for you.

Fly from

Aurora

Fly to

Sydney

Route

Depart

Return

Price

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 10/30

3:37 pm-7:45 pm

2 stops35h 08m

Sydney Kingsford Smith

Thu 11/6

9:40 pm-2:41 pm

2 stops35h 01m

$1,118

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 10/21

3:00 pm-7:45 pm

2 stops35h 45m

Sydney Kingsford Smith

Fri 10/31

9:40 pm-11:34 am

2 stops30h 54m

$1,129

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 9/24

9:23 pm-7:45 pm

2 stops30h 22m

Sydney Kingsford Smith

Sat 10/11

9:40 pm-11:53 am

1 stop31h 13m

$1,139

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 11/10

4:05 pm-8:45 am

2 stops22h 40m

Sydney Kingsford Smith

Sun 11/23

7:15 pm-5:58 pm

2 stops40h 43m

$1,187

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 11/12

8:02 pm-7:45 pm

2 stops29h 43m

Sydney Kingsford Smith

Fri 11/21

9:40 pm-2:47 pm

2 stops35h 07m

$1,198

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 11/1

8:37 pm-8:45 am

2 stops43h 08m

Sydney Kingsford Smith

Sun 11/9

7:15 pm-5:58 pm

2 stops40h 43m

$1,245

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 10/21

6:05 pm-8:20 am

1 stop21h 15m

Sydney Kingsford Smith

Fri 10/31

10:20 am-12:37 pm

1 stop19h 17m

$1,263

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Mon 11/10

7:17 pm-9:00 am

1 stop19h 43m

Sydney Kingsford Smith

Sun 11/23

11:20 am-12:11 pm

1 stop18h 51m

$1,291

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 11/12

1:25 pm-9:15 am

1 stop25h 50m

Sydney Kingsford Smith

Wed 11/26

1:55 pm-7:40 pm

2 stops23h 45m

$1,293

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Thu 12/11

12:38 pm-8:30 am

1 stop25h 52m

Sydney Kingsford Smith

Tue 1/6

2:15 pm-10:55 pm

1 stop26h 40m

$1,413

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 20 results
1
2

Best time to book a flight from Aurora to Sydney

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

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

Use this chart to determine the optimal time to book a round-trip flight from Aurora to Sydney. Price data was last updated on September 12, 2025.

The price you pay for your flight from Aurora to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 84 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 Aurora to Sydney?

Currently, March is the cheapest month in which you can book a flight from Aurora to Sydney (average of $1,032). Flying from Aurora to Sydney in December is currently the most expensive (average of $1,627). 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 9UR to SYD?

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

When flying from Aurora to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Aurora to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Aurora to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Aurora to Sydney flight should consider departing on Saturday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 15, 2025.
See what other customers who have flown with Delta, Qantas Airways, and United Airlines from Aurora 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.
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Qantas Airways
7.5
Good
905 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Aurora to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Aurora?

    Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Aurora to Sydney. You should not have trouble finding flights to Kingsford Smith from Aurora; the airport handles an average of 0 inbound flights from Aurora per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the Sydney airport from Aurora. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

  • How long is the flight from Aurora to Sydney?

    There are many flights that can get you from Aurora to Sydney in 22h 40m. Fly via Alaska Airlines or Air New Zealand to get the fastest option. The distance from Aurora to Sydney is about 8348 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Aurora to Sydney (average of $1,032). Flying from Aurora to Sydney in December is currently the most expensive (average of $1,627). 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
Parramatta
Wollongong
Manly
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Aurora to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Sydney flights
Denver to Coolangatta flights
Aspen to Sydney flights
Colorado Springs to Sydney flights

Top 7 airlines flying from Aurora to Sydney

Discover the top 7 airlines that operate flights from Aurora 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 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$745Average$856FlexibilityNo cancel feeOn-time75%
DeltaCheapest$786Average$1,338FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$806Average$904FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$832Average$867FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$834Average$1,298FlexibilityNo cancel feeOn-time78%
Air CanadaCheapest$1,009Average$1,232FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,261Average$1,473FlexibilityNo cancel feeOn-time69%

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