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$411+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SYD
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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1. Tell us where you want to go

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

Cheap 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 diciembre 12, 2025.

This FlightHub deal was found by Cheapflights users on 12/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/107:01 pmLAS - SYD
1 stop18h 59mQantas Airways
mié. 12/1711:20 amSYD - LAS
1 stop18h 31mQantas Airways
Deal found 12/10$918
This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/123:39 pmLAS - SYD
1 stop19h 31mQantas Airways
jue. 12/1811:20 amSYD - LAS
1 stop18h 31mQantas Airways
Deal found 12/11$919
This United Airlines deal was found by Cheapflights users on 12/10. 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.
mié. 12/1012:07 pmLAS - SYD
2 stops25h 58mUnited Airlines
mié. 12/1711:20 amSYD - LAS
1 stop17h 20mUnited Airlines
Deal found 12/10$929
This United Airlines deal was found by Cheapflights users on 12/11. 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.
vie. 12/123:42 pmLAS - SYD
2 stops22h 23mUnited Airlines
jue. 12/1811:20 amSYD - LAS
2 stops22h 30mUnited Airlines
Deal found 12/11$1,029
This SmartFares deal was found by Cheapflights users on 12/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2510:17 pmLAS - SYD
1 stop36h 53mMultiple Airlines
dom. 12/285:45 pmSYD - LAS
1 stop22h 14mMultiple Airlines
Deal found 12/11$1,109
This United Airlines deal was found by Cheapflights users on 12/11. 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.
jue. 12/2510:05 amLAS - SYD
1 stop25h 55mUnited Airlines
dom. 12/2811:20 amSYD - LAS
2 stops24h 41mUnited Airlines
Deal found 12/11$1,258
This United Airlines deal was found by Cheapflights users on 12/11. 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.
sáb. 12/137:50 pmLAS - SYD
1 stop18h 25mUnited Airlines
lun. 12/151:00 pmSYD - LAS
2 stops42h 40mUnited Airlines
Deal found 12/11$1,592
This United Airlines deal was found by Cheapflights users on 12/11. 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.
lun. 12/1510:05 amLAS - SYD
2 stops30h 35mUnited Airlines
mié. 12/3111:50 amSYD - LAS
1 stop27h 04mUnited Airlines
Deal found 12/11$1,823
This oojo deal was found by Cheapflights users on 12/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/137:15 amLAS - SYD
2 stops33h 45mCathay Pacific
lun. 12/1510:20 pmSYD - LAS
2 stops33h 39mCathay Pacific
Deal found 12/9$2,007
This Hawaiian Airlines deal was found by Cheapflights users on 12/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/141:59 amLAS - SYD
1 stop22h 46mAlaska Airlines
mié. 12/319:40 pmSYD - LAS
1 stop27h 54mAlaska Airlines
Deal found 12/11$2,110
This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/227:14 pmLAS - SYD
1 stop18h 46mQantas Airways
mar. 1/65:50 pmSYD - LAS
2 stops37h 58mQantas Airways
Deal found 12/11$2,125

Find 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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$872
(Air Canada)

One-way from

$411
(Ovago)

Popular in

December

Cheapest in

November

Average price

$1,391
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. 5% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 diciembre 12, 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

dom. 2/1

4:45 pm-9:35 am

1 stop21h 50m

Sydney Kingsford Smith

dom. 2/15

11:20 am-3:59 pm

1 stop23h 39m

$888

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

lun. 5/11

6:00 pm-7:20 am

1 stop20h 20m

Sydney Kingsford Smith

vie. 5/22

7:00 am-4:58 pm

2 stops26h 58m

$909

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

dom. 2/1

12:00 pm-9:00 am

1 stop26h 00m

Sydney Kingsford Smith

dom. 2/15

11:20 am-2:59 pm

2 stops22h 39m

$918

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

lun. 2/2

7:59 pm-8:30 am

1 stop17h 31m

Sydney Kingsford Smith

dom. 2/8

10:40 am-8:35 am

1 stop16h 55m

$925

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

dom. 1/25

9:40 am-6:50 am

1 stop26h 10m

Sydney Kingsford Smith

dom. 2/1

10:40 am-8:35 am

1 stop16h 55m

$925

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

lun. 3/23

7:29 pm-7:25 am

1 stop17h 56m

Sydney Kingsford Smith

lun. 4/13

9:25 am-8:48 am

1 stop16h 23m

$925

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

mar. 6/9

7:50 pm-6:35 am

1 stop17h 45m

Sydney Kingsford Smith

mar. 6/30

9:25 am-4:55 pm

1 stop24h 30m

$925

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

dom. 2/1

1:10 pm-8:30 am

1 stop24h 20m

Sydney Kingsford Smith

mié. 2/11

10:40 am-1:05 pm

1 stop21h 25m

$925

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

mié. 3/4

1:55 pm-8:30 am

1 stop23h 35m

Sydney Kingsford Smith

mié. 3/18

9:40 am-5:38 pm

1 stop25h 58m

$925

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

lun. 5/11

7:35 pm-7:05 am

1 stop18h 30m

Sydney Kingsford Smith

vie. 5/22

9:10 am-11:31 am

1 stop19h 21m

$927

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 20 results
1
2

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 December.
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 December 5, 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, June is the cheapest month in which you can book a flight from Las Vegas to Sydney (average of $712). 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 diciembre 12, 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 diciembre 12, 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
8,005 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Qantas Airways
7.5
Good
947 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,049 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,515 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 17h 31m. Air Canada provides one of the quickest options available for as low as $925. 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 $727. Other airlines that can offer you cheap pricing are Delta, from $820, and Air Canada, from $829. Qantas Airways is currently priced 35% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Las Vegas to Sydney one-way?

    For one-way options, check prices for Qantas Airways. According to our data, you can fly for as low as $410. Users have also found prices from $414 and $422 on American Airlines and Delta, respectively.

  • 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, June is the cheapest month in which you can book a flight from Las Vegas to Sydney (average of $712). 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$727Average$1,165FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$829Average$953FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$904Average$1,150FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$919Average$1,117FlexibilityNo cancel feeOn-time69%
DeltaCheapest$922Average$1,172FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$925Average$1,159FlexibilityNo cancel feeOn-time75%

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