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$480+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SYD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 43 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 September 11, 2025.

Round-trip from

$945
(Air Canada)

One-way from

$480
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$1,256
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
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Highest demand for flights based on searches. 16% potential increase in price ($236 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 September 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 September 11, 2025.

This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:15 amLAS - SYD
1 stop32h 20mAir Canada
Sun 11/211:20 amSYD - LAS
1 stop23h 39mAir Canada
Deal found 9/10$945
This Orbitz deal was found by Cheapflights users on 9/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/284:45 pmLAS - SYD
1 stop21h 50mAir Canada
Tue 11/1811:20 amSYD - LAS
1 stop23h 39mAir Canada
Deal found 9/10$946
This Orbitz deal was found by Cheapflights users on 9/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/154:50 pmLAS - SYD
1 stop21h 30mAir Canada
Sat 9/279:20 amSYD - LAS
1 stop23h 38mAir Canada
Deal found 9/11$947
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:25 amLAS - SYD
1 stop30h 55mAir Canada
Tue 10/2810:20 amSYD - LAS
1 stop23h 39mAir Canada
Deal found 9/11$949
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:15 amLAS - SYD
1 stop32h 20mAir Canada
Tue 11/49:00 amSYD - LAS
2 stops25h 59mAir Canada
Deal found 9/11$961
This Air Canada deal was found by Cheapflights users on 9/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:50 pmLAS - SYD
1 stop21h 45mAir Canada
Sat 11/18:00 amSYD - LAS
2 stops32h 29mAir Canada
Deal found 9/9$962
This Gotogate deal was found by Cheapflights users on 9/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/194:50 pmLAS - SYD
2 stops24h 50mAir Canada
Sat 11/110:20 amSYD - LAS
1 stop30h 09mAir Canada
Deal found 9/11$999
This BYOjet deal was found by Cheapflights users on 9/11. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/214:50 pmLAS - SYD
2 stops25h 50mMultiple Airlines
Tue 10/288:00 amSYD - LAS
2 stops25h 59mMultiple Airlines
Deal found 9/11$1,000

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 September 11, 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

Tue 12/9

1:55 am-7:45 pm

1 stop22h 50m

Sydney Kingsford Smith

Tue 12/23

9:40 pm-9:00 pm

1 stop18h 20m

$1,160

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 10/1

7:58 pm-6:55 am

1 stop17h 57m

Sydney Kingsford Smith

Mon 10/13

11:20 am-10:06 am

1 stop16h 46m

$1,162

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 11/17

5:15 pm-9:00 am

1 stop20h 45m

Sydney Kingsford Smith

Thu 1/8

5:45 pm-8:24 pm

1 stop21h 39m

$1,166

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 12/14

1:55 am-7:45 pm

1 stop22h 50m

Sydney Kingsford Smith

Wed 1/7

9:40 pm-10:50 pm

1 stop20h 10m

$1,166

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Fri 1/30

4:45 pm-6:05 pm

2 stops30h 20m

Sydney Kingsford Smith

Fri 2/13

8:20 am-3:59 pm

2 stops26h 39m

$1,176

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 10/15

6:17 pm-7:45 pm

1 stop31h 28m

Sydney Kingsford Smith

Tue 10/21

9:40 pm-11:53 pm

1 stop20h 13m

$1,178

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 2/28

7:53 pm-9:15 am

1 stop18h 22m

Sydney Kingsford Smith

Wed 3/4

12:10 pm-2:26 pm

1 stop21h 16m

$1,301

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 2/28

1:20 pm-6:50 am

2 stops22h 30m

Sydney Kingsford Smith

Wed 3/4

10:40 am-4:17 pm

2 stops24h 37m

$1,306

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 1/1

2:26 pm-6:50 am

1 stop21h 24m

Sydney Kingsford Smith

Thu 1/22

2:15 pm-12:38 pm

1 stop17h 23m

$1,362

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 11/16

1:59 am-7:45 pm

1 stop22h 46m

Sydney Kingsford Smith

Thu 1/8

9:40 pm-11:50 pm

2 stops21h 10m

$1,404

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 18 results
1
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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 August 29, 2025.

Booking 43 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, February is the cheapest month in which you can book a flight from Las Vegas to Sydney (average of $1,035). Flying from Las Vegas to Sydney in December is currently the most expensive (average of $1,626). 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 September 11, 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.

How much does it cost to fly round-trip from Las Vegas 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 September 11, 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
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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 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 57m. Alaska Airlines provides one of the quickest options available for as low as $1,162. 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 $843. Other airlines that can offer you cheap pricing are American Airlines, from $905, and United Airlines, from $920. Air Canada is currently priced 31% 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, February is the cheapest month in which you can book a flight from Las Vegas to Sydney (average of $1,035). Flying from Las Vegas to Sydney in December is currently the most expensive (average of $1,626). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 7 airlines flying from Las Vegas to Sydney

Discover the top 7 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$843Average$955FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$905Average$1,192FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$920Average$1,150FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$925Average$1,157FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$928Average$1,267FlexibilityNo cancel feeOn-time85%
DeltaCheapest$940Average$1,161FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$990Average$1,183FlexibilityNo cancel feeOn-time74%

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