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$448+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SYD
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 March or June, booked 80 days in advance, depart on a Wednesday or Thursday and return on a Thursday

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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$947
(Air Canada)

One-way from

$448
(United)

Popular in

December

Cheapest in

March

Average price

$1,001
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Sydney Kingsford Smith flights.
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From Las Vegas Harry Reid Intl to Sydney Kingsford Smith
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One-way flight from Las Vegas Harry Reid Intl to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($277 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($80 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 25, 2025.

This Air Canada deal was found by Cheapflights users on 3/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/74:50 pmLAS - SYD
1 stop21h 30mAir Canada
Tue 6/179:20 amSYD - LAS
1 stop23h 40mAir Canada
Deal found 3/24$947
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Tue 6/174:05 pmLAS - SYD
1 stop21h 50mUnited Airlines
Sun 7/69:30 amSYD - LAS
1 stop31h 27mUnited Airlines
Deal found 3/23$963
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Sun 4/131:30 amLAS - SYD
1 stop20h 10mMultiple Airlines
Mon 4/284:20 pmSYD - LAS
2 stops43h 55mMultiple Airlines
Deal found 3/24$1,040
This BYOjet deal was found by Cheapflights users on 3/24. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/131:35 amLAS - SYD
1 stop25h 10mAlaska Airlines
Fri 5/309:40 pmSYD - LAS
2 stops28h 50mAlaska Airlines
Deal found 3/24$1,137
This Hawaiian Airlines deal was found by Cheapflights users on 3/24. 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.
Fri 5/231:50 amLAS - SYD
1 stop24h 55mHawaiian Airlines
Fri 6/209:40 pmSYD - LAS
1 stop26h 10mHawaiian Airlines
Deal found 3/24$1,232
This FlightHub deal was found by Cheapflights users on 3/24. 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.
Thu 3/276:00 amLAS - SYD
2 stops32h 20mAsiana Airlines
Sat 3/2910:20 amSYD - LAS
2 stops28h 13mAsiana Airlines
Deal found 3/24$1,793
This Air Tahiti Nui deal was found by Cheapflights users on 3/23. 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 Air Tahiti Nui is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/177:45 pmLAS - SYD
3 stops26h 25mAir Tahiti Nui
Sun 7/67:10 amSYD - LAS
3 stops26h 17mAir Tahiti Nui
Deal found 3/23$2,159
This Fiji Airways deal was found by Cheapflights users on 3/24. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:00 pmLAS - SYD
2 stops23h 30mFiji Airways
Sat 1/32:10 pmSYD - LAS
2 stops21h 50mFiji Airways
Deal found 3/24$2,269
This Korean Air deal was found by Cheapflights users on 3/23. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1312:35 amLAS - SYD
2 stops36h 45mKorean Air
Mon 4/287:55 amSYD - LAS
1 stop25h 25mKorean Air
Deal found 3/23$2,720
This KAYAK deal was found by Cheapflights users on 3/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:53 pmLAS - SYD
1 stop18h 22mAir New Zealand
Sat 1/37:55 amSYD - LAS
2 stops25h 12mAir New Zealand
Deal found 3/24$2,931
This Gurufare deal was found by Cheapflights users on 3/24. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2010:46 amLAS - SYD
3 stops36h 59mSingapore Airlines
Tue 6/177:55 amSYD - LAS
2 stops42h 56mSingapore Airlines
Deal found 3/24$3,706
This AranGrant deal was found by Cheapflights users on 3/24. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:00 amLAS - SYD
2 stops53h 15mCathay Pacific
Sun 1/48:45 amSYD - LAS
2 stops48h 22mCathay Pacific
Deal found 3/24$3,792

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 March 25, 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

Sat 6/7

4:50 pm-7:20 am

1 stop21h 30m

Sydney Kingsford Smith

Tue 6/17

9:20 am-4:00 pm

1 stop23h 40m

$947

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 6/17

4:05 pm-6:55 am

1 stop21h 50m

Sydney Kingsford Smith

Sun 7/6

9:30 am-11:57 pm

1 stop31h 27m

$963

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 4/13

1:30 am-2:40 pm

1 stop20h 10m

Sydney Kingsford Smith

Mon 4/28

4:20 pm-7:15 pm

2 stops43h 55m

$1,040

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 5/13

1:35 am-7:45 pm

1 stop25h 10m

Sydney Kingsford Smith

Fri 5/30

9:40 pm-9:30 am

2 stops28h 50m

$1,137

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Fri 5/23

1:50 am-7:45 pm

1 stop24h 55m

Sydney Kingsford Smith

Fri 6/20

9:40 pm-6:50 am

1 stop26h 10m

$1,232

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 6/17

7:45 pm-3:10 pm

3 stops26h 25m

Sydney Kingsford Smith

Sun 7/6

7:10 am-4:27 pm

3 stops26h 17m

$2,159

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 4/13

12:35 am-6:20 am

2 stops36h 45m

Sydney Kingsford Smith

Mon 4/28

7:55 am-4:20 pm

1 stop25h 25m

$2,720

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 5/20

10:46 am-4:45 pm

3 stops36h 59m

Sydney Kingsford Smith

Tue 6/17

7:55 am-9:51 am

2 stops42h 56m

$3,706

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 5/14

1:19 pm-5:20 am

3 stops47h 01m

Sydney Kingsford Smith

Sun 5/25

2:40 pm-7:10 pm

3 stops45h 30m

$3,866

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 7/29

9:10 am-8:00 am

2 stops29h 50m

Sydney Kingsford Smith

Tue 9/2

10:10 am-9:16 am

2 stops40h 06m

$4,516

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 16 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Sydney flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 21, 2025.

Booking 80 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, March is the cheapest month in which you can book a flight from Las Vegas to Sydney (average of $1,044). Flying from Las Vegas to Sydney in December is currently the most expensive (average of $1,643). 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 March 25, 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 9% versus a flight in the morning.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 March 25, 2025.
Air Tahiti Nui
8.7
Very good
61 reviews

Entertainment

7.2

Crew

9.1

Comfort

8.0

Food

7.8

Boarding

8.7

Overall

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.7
Very good
61 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Entertainment

7.2

Crew

9.1

Comfort

8.0

Food

7.8

Boarding

8.7

Overall

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Korean Air
8.4
Very good
1,047 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Entertainment

7.2

Crew

9.1

Comfort

8.0

Food

7.8

Boarding

8.7

Overall

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Singapore Airlines
8.1
Very good
1,284 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Entertainment

7.2

Crew

9.1

Comfort

8.0

Food

7.8

Boarding

8.7

Overall

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Alaska Airlines
8.0
Very good
9,785 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Entertainment

7.2

Crew

9.1

Comfort

8.0

Food

7.8

Boarding

8.7

Overall

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Delta
8.0
Very good
7,890 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Entertainment

7.2

Crew

9.1

Comfort

8.0

Food

7.8

Boarding

8.7

Overall

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

  • 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 $947. Other airlines that can offer you cheap pricing are United Airlines, from $963, and Alaska Airlines, from $1,137. Air Canada is currently priced 23% 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 United Airlines. According to our data, you can fly for as low as $448. Users have also found prices from $595 and $696 on Delta and Hawaiian Airlines, 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, March is the cheapest month in which you can book a flight from Las Vegas to Sydney (average of $1,044). Flying from Las Vegas to Sydney in December is currently the most expensive (average of $1,643). 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 Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Wollongong
Parramatta
Coogee
Manly

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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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$843Average$1,006FlexibilityNo cancel feeOn-time67%
Hawaiian AirlinesCheapest$883Average$1,152FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$904Average$1,176FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$920Average$1,190FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$952Average$1,183FlexibilityNo cancel feeOn-time74%
DeltaCheapest$970Average$1,259FlexibilityNo cancel feeOn-timeN/A
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