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$410+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SYD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Aurora to Sydney Kingsford Smith are usually found in May or April, 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 October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$1,065
(Trip.com)

One-way from

$410
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,310
Provider with most accurate pricing for Denver Intl-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Sydney Kingsford Smith flights.
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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. 20% potential increase in price ($269 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Tue 11/257:51 amDEN - SYD
1 stop29h 34mMultiple Airlines
Tue 12/25:45 pmSYD - DEN
1 stop34h 27mMultiple Airlines
Deal found 10/28$1,080
This Trip.com deal was found by Cheapflights users on 10/29. 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 11/267:51 amDEN - SYD
1 stop31h 09mMultiple Airlines
Fri 12/55:45 pmSYD - DEN
1 stop24h 32mMultiple Airlines
Deal found 10/29$1,105
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/2712:24 pmDEN - SYD
1 stop25h 01mMultiple Airlines
Thu 12/45:45 pmSYD - DEN
1 stop24h 32mMultiple Airlines
Deal found 10/29$1,134
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/66:00 amDEN - SYD
2 stops31h 25mMultiple Airlines
Wed 11/195:45 pmSYD - DEN
1 stop18h 40mMultiple Airlines
Deal found 10/28$1,136
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/411:45 amDEN - SYD
1 stop25h 40mMultiple Airlines
Mon 11/105:45 pmSYD - DEN
2 stops22h 04mMultiple Airlines
Deal found 10/29$1,143
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Wed 11/267:51 amDEN - SYD
1 stop29h 34mMultiple Airlines
Wed 12/35:45 pmSYD - DEN
2 stops22h 44mMultiple Airlines
Deal found 10/27$1,145
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 11/269:44 amDEN - SYD
2 stops40h 31mMultiple Airlines
Thu 12/45:45 pmSYD - DEN
1 stop24h 32mMultiple Airlines
Deal found 10/29$1,147

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 October 30, 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

Sat 1/10

5:09 pm-7:45 pm

2 stops32h 36m

Sydney Kingsford Smith

Thu 1/15

9:40 pm-10:53 am

2 stops31h 13m

$1,351

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 1/20

5:37 pm-9:05 am

1 stop21h 28m

Sydney Kingsford Smith

Tue 2/24

11:20 am-12:28 pm

1 stop19h 08m

$1,359

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 12/30

7:10 am-8:30 am

2 stops31h 20m

Sydney Kingsford Smith

Tue 1/13

2:15 pm-7:56 pm

2 stops23h 41m

$1,366

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 4/18

9:25 pm-7:00 am

1 stop41h 35m

Sydney Kingsford Smith

Tue 4/28

10:20 am-12:18 pm

1 stop17h 58m

$1,369

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 4/18

9:25 pm-7:00 am

1 stop41h 35m

Sydney Kingsford Smith

Mon 4/27

10:20 am-12:18 pm

1 stop17h 58m

$1,369

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 1/17

9:05 pm-6:20 am

1 stop39h 15m

Sydney Kingsford Smith

Tue 3/24

11:50 am-11:40 pm

1 stop28h 50m

$1,370

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 1/17

9:05 pm-6:20 am

1 stop39h 15m

Sydney Kingsford Smith

Wed 2/18

12:10 pm-12:18 pm

1 stop18h 08m

$1,370

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Sat 1/17

9:05 pm-6:20 am

1 stop39h 15m

Sydney Kingsford Smith

Mon 3/23

12:10 pm-6:19 pm

1 stop23h 09m

$1,370

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Fri 1/16

6:50 pm-6:50 am

2 stops66h 00m

Sydney Kingsford Smith

Mon 3/23

9:40 am-11:32 am

1 stop18h 52m

$1,383

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Fri 1/16

6:50 pm-6:50 am

2 stops66h 00m

Sydney Kingsford Smith

Wed 3/18

9:40 am-10:35 pm

2 stops29h 55m

$1,383

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 21 results
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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 October 24, 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, June is the cheapest month in which you can book a flight from Aurora to Sydney (average of $680). Flying from Aurora to Sydney in January is currently the most expensive (average of $861). 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 October 30, 2025.

It’s optimal to fly from Aurora to Sydney in the morning. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight at noon.

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.

How much does it cost to fly round-trip from Aurora to Sydney?

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 October 30, 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
7.9
Good
7,998 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Qantas Airways
7.5
Good
925 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,996 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,034 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air Canada
7.1
Good
10,383 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 21h 28m. Fly via Alaska Airlines, United Airlines, or Delta 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, June is the cheapest month in which you can book a flight from Aurora to Sydney (average of $680). Flying from Aurora to Sydney in January is currently the most expensive (average of $861). 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
Colorado Springs to Sydney flights
Denver to Coolangatta flights
Aspen 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$745Average$856FlexibilityNo cancel feeOn-time75%
DeltaCheapest$786Average$1,380FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$806Average$902FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$832Average$865FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$834Average$1,251FlexibilityNo cancel feeOn-time78%
Air CanadaCheapest$1,009Average$1,272FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,310Average$1,467FlexibilityNo cancel feeOn-time69%

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