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$415+ Cheap flights from Las Vegas (LAS) 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SYD
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Find cheap flights from Las Vegas to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Sydney Kingsford Smith are usually found in August or September, booked 6 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Find flight deals from Las Vegas to Sydney

Cheapest flights from Las Vegas to Sydney
Explore the most affordable flight options available from Las Vegas to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This BestPriceTravel deal was found by Cheapflights users on 10/25. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:02 pmLAS - SYD
1 stop19h 23mQantas Airways
Mon 12/1511:20 amSYD - LAS
1 stop18h 36mQantas Airways
Deal found 10/25$825
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2512:00 pmLAS - SYD
1 stop26h 00mQantas Airways
Tue 12/25:45 pmSYD - LAS
1 stop20h 34mQantas Airways
Deal found 10/26$852
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:59 pmLAS - SYD
1 stop19h 01mQantas Airways
Sun 11/165:45 pmSYD - LAS
1 stop22h 13mQantas Airways
Deal found 10/25$855
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 12/83:59 pmLAS - SYD
2 stops22h 01mAmerican Airlines
Mon 12/1511:20 amSYD - LAS
1 stop18h 36mAmerican Airlines
Deal found 10/25$856
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:25 pmLAS - SYD
1 stop22h 35mQantas Airways
Sat 11/811:20 amSYD - LAS
1 stop22h 09mQantas Airways
Deal found 10/25$858
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:04 pmLAS - SYD
1 stop19h 01mUnited Airlines
Mon 12/111:20 amSYD - LAS
1 stop17h 14mUnited Airlines
Deal found 10/26$861
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/221:33 pmLAS - SYD
1 stop24h 32mUnited Airlines
Tue 12/212:10 pmSYD - LAS
1 stop25h 25mUnited Airlines
Deal found 10/26$864
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:05 amLAS - SYD
2 stops29h 00mUnited Airlines
Sun 1/411:50 amSYD - LAS
1 stop24h 13mUnited Airlines
Deal found 10/26$865
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2210:40 amLAS - SYD
1 stop27h 25mUnited Airlines
Thu 12/411:20 amSYD - LAS
1 stop17h 20mUnited Airlines
Deal found 10/26$867
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:05 amLAS - SYD
2 stops29h 00mUnited Airlines
Sat 1/311:50 amSYD - LAS
1 stop27h 04mUnited Airlines
Deal found 10/26$868
This Priceline deal was found by Cheapflights users on 10/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:59 pmLAS - SYD
1 stop19h 01mQantas Airways
Sat 11/111:20 amSYD - LAS
1 stop17h 31mQantas Airways
Deal found 10/26$869

Cheap flight deals from Las Vegas to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$800
(Air Canada)

One-way from

$415
(SmartFares)

Popular in

December

Cheapest in

August

Average price

$1,149
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Sydney Kingsford Smith flights.
Search Deals
From Las Vegas Harry Reid Intl to Sydney Kingsford Smith
Search Deals
One-way flight from Las Vegas Harry Reid Intl to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas 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 27, 2025.
Use the filters below to find and compare flights from Las Vegas to Sydney that are best for you.

Fly from

Las Vegas

Fly to

Sydney

Route

Depart

Return

Price

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 12/8

3:59 pm-9:00 am

2 stops22h 01m

Sydney Kingsford Smith

Mon 12/15

11:20 am-10:56 am

1 stop18h 36m

$856

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 3/25

12:15 pm-7:00 am

1 stop24h 45m

Sydney Kingsford Smith

Mon 4/13

9:30 am-5:00 pm

1 stop24h 30m

$861

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 11/24

1:48 pm-7:00 am

1 stop22h 12m

Sydney Kingsford Smith

Mon 12/1

11:20 am-9:34 am

1 stop17h 14m

$861

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 3/23

8:00 am-7:00 am

1 stop29h 00m

Sydney Kingsford Smith

Mon 4/13

9:30 am-9:22 am

1 stop16h 52m

$861

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 2/28

1:35 pm-9:05 am

1 stop24h 30m

Sydney Kingsford Smith

Wed 3/4

11:50 am-5:57 pm

1 stop25h 07m

$864

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 11/26

7:04 pm-9:05 am

1 stop19h 01m

Sydney Kingsford Smith

Fri 12/5

2:00 pm-12:40 pm

1 stop17h 40m

$864

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 11/22

10:40 am-9:05 am

1 stop27h 25m

Sydney Kingsford Smith

Mon 12/1

11:20 am-5:57 pm

1 stop25h 37m

$864

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 12/25

6:21 pm-9:15 am

1 stop19h 54m

Sydney Kingsford Smith

Sun 1/4

11:50 am-5:03 pm

1 stop24h 13m

$864

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 11/27

11:07 am-9:15 am

1 stop27h 08m

Sydney Kingsford Smith

Tue 12/2

12:10 pm-10:05 am

1 stop16h 55m

$864

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 3/18

8:20 pm-9:00 am

1 stop18h 40m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 19 results
1
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Compare providers for flights from Las Vegas to Sydney

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 Las Vegas to Sydney in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star

*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 Las Vegas-Sydney flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Las Vegas-Sydney flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Las Vegas-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Sydney flights, Cheapflights users trust eDreams the most. eDreams 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 Las Vegas-Sydney 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 Las Vegas to Sydney

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

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

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Sydney. Price data was last updated on October 24, 2025.

Booking 6 days in advance of your planned departure date is, on average, the best time to get cheap flights from Las Vegas to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Las Vegas to Sydney?

Currently, September is the cheapest month in which you can book a flight from Las Vegas to Sydney (average of $725). Flying from Las Vegas to Sydney in July is currently the most expensive (average of $1,052). 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 LAS to SYD?

Find hourly flight availability from Las Vegas 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 27, 2025.

When flying from Las Vegas to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 8% versus a flight in the morning.

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 27, 2025.
Peruse reviews from past customers who have flown with Delta, Qantas Airways, and United Airlines from Las Vegas to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,996 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
7,996 reviews
Delta
7.9
Good
7,996 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
923 reviews
Delta
7.9
Good
7,996 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
8,999 reviews
Delta
7.9
Good
7,996 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
11,031 reviews
Delta
7.9
Good
7,996 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
10,367 reviews
Delta
7.9
Good
7,996 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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 Las Vegas 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 Las Vegas to Sydney?

    A quick flight from Las Vegas to Sydney can take about 22h 01m. American Airlines provides one of the quickest options available for as low as $856. Airlines will cover a distance of 7721 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Las Vegas to Sydney round-trip from $839. Other airlines that can offer you cheap pricing are American Airlines, from $904, and United Airlines, from $920. Air Canada is currently priced 26% below the average price you’ll pay for this route.

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

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

  • How can I find direct flights from Las Vegas to Sydney?

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

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

    Yes. Cheapflights offers flight deals from Las Vegas 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 Las Vegas to Sydney?

    Currently, September is the cheapest month in which you can book a flight from Las Vegas to Sydney (average of $725). Flying from Las Vegas to Sydney in July is currently the most expensive (average of $1,052). 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 Las Vegas to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Reno to Sydney flights

Top 6 airlines flying from Las Vegas to Sydney

Discover the top 6 airlines that operate flights from Las Vegas 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 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$839Average$953FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$904Average$1,176FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$920Average$1,107FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$925Average$1,157FlexibilityNo cancel feeOn-time75%
DeltaCheapest$940Average$1,172FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$990Average$1,217FlexibilityNo cancel feeOn-time74%

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