Find flights
When to book
Airlines
FAQs

Cheap flights from Las Vegas to Sydney from $619

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SYD
9 Jul — 16 Jul1
1 adult

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Sydney Kingsford Smith are usually found in March or April, booked 80 days in advance, depart on a Tuesday or Monday 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 4 July 2025.

Round-trip from

$1,210

One-way from

$619

Popular in

December

Cheapest in

March

Average price

$1,881
23/8-7/9
  • 23/8-7/9
  • 3 total stops
  • 40h 54m total
  • Las Vegas to Sydney
20/10
  • 20/10
  • 2 total stops
  • 47h 20m total
  • Las Vegas to Sydney
Highest demand for flights based on searches. 17% potential increase in price ($598 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease ($185 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 4 July 2025.

Sat 23/801:45LAS - SYD
1 stop19h 55mMultiple Airlines
Sun 7/916:20SYD - LAS
2 stops20h 59mMultiple Airlines
Deal found 2/7$1,210
Fri 15/819:58LAS - SYD
1 stop18h 07mAlaska Airlines
Wed 3/909:10SYD - LAS
1 stop24h 59mAlaska Airlines
Deal found 1/7$1,424
Thu 4/911:51LAS - SYD
1 stop26h 39mQantas Airways
Thu 18/909:10SYD - LAS
1 stop26h 41mQantas Airways
Deal found 3/7$1,453
Tue 9/907:25LAS - SYD
1 stop30h 55mAir Canada
Mon 15/909:20SYD - LAS
1 stop30h 49mAir Canada
Deal found 3/7$1,496
Fri 1/809:10LAS - SYD
1 stop28h 55mAmerican Airlines
Thu 14/809:10SYD - LAS
1 stop28h 31mAmerican Airlines
Deal found 1/7$1,520
Thu 4/913:38LAS - SYD
2 stops24h 17mUnited Airlines
Thu 18/909:30SYD - LAS
2 stops22h 08mUnited Airlines
Deal found 1/7$1,561
Fri 15/809:12LAS - SYD
2 stops41h 03mANA
Wed 3/920:55SYD - LAS
2 stops40h 29mANA
Deal found 2/7$1,617
Fri 15/801:50LAS - SYD
1 stop24h 55mHawaiian Airlines
Sat 23/821:40SYD - LAS
1 stop27h 17mHawaiian Airlines
Deal found 2/7$1,700

Cheapflights Fare Finder

Customise 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 647,157 searches. Data last updated 4 July 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 23/8

01:45-14:40

1 stop19h 55m

Sydney Kingsford Smith

Sun 7/9

16:20-20:19

2 stops20h 59m

$1,210

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Fri 15/8

19:58-07:05

1 stop18h 07m

Sydney Kingsford Smith

Wed 3/9

09:10-17:09

1 stop24h 59m

$1,424

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 4/9

11:51-07:30

1 stop26h 39m

Sydney Kingsford Smith

Thu 18/9

09:10-18:51

1 stop26h 41m

$1,453

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 9/9

07:25-07:20

1 stop30h 55m

Sydney Kingsford Smith

Mon 15/9

09:20-23:09

1 stop30h 49m

$1,496

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Fri 1/8

09:10-07:05

1 stop28h 55m

Sydney Kingsford Smith

Thu 14/8

09:10-20:41

1 stop28h 31m

$1,520

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 4/9

13:38-06:55

2 stops24h 17m

Sydney Kingsford Smith

Thu 18/9

09:30-14:38

2 stops22h 08m

$1,561

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Fri 15/8

09:12-19:15

2 stops41h 03m

Sydney Kingsford Smith

Wed 3/9

20:55-20:24

2 stops40h 29m

$1,617

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Fri 15/8

01:50-19:45

1 stop24h 55m

Sydney Kingsford Smith

Sat 23/8

21:40-07:57

1 stop27h 17m

$1,700

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 20/10

22:20-15:40

2 stops47h 20m

$619

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Fri 15/8

17:07-07:30

1 stop21h 23m

$739

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 20 results
1
2

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 return 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 return flight from Las Vegas to Sydney. Price data was last updated on 27 June 2025.

The best time to book flights from Las Vegas to Sydney is 51 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from Las Vegas to Sydney (average of $129). Flying from Las Vegas to Sydney in October is currently the most expensive (average of $171). 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.

How much does it cost for a return flight 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 4 July 2025.
Read reviews from past customers who have flown with Air Tahiti Nui, ANA, andKorean Air from Las Vegas to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.1

Boarding

8.7

Overall

8.7

Entertainment

7.3

Crew

9.0

Food

7.8

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.

Comfort

8.1

Boarding

8.7

Overall

8.7

Entertainment

7.3

Crew

9.0

Food

7.8

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.
8.4
Very Good

Comfort

8.1

Boarding

8.7

Overall

8.7

Entertainment

7.3

Crew

9.0

Food

7.8

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.

Comfort

8.1

Boarding

8.7

Overall

8.7

Entertainment

7.3

Crew

9.0

Food

7.8

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.

Comfort

8.1

Boarding

8.7

Overall

8.7

Entertainment

7.3

Crew

9.0

Food

7.8

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.
8.0
Very Good

Comfort

8.1

Boarding

8.7

Overall

8.7

Entertainment

7.3

Crew

9.0

Food

7.8

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?

    Flying on Qantas Airways is currently your cheapest option to Sydney, with prices starting at $1,453. Additional round-trip tickets that might be worth considering are offered by Air Canada and Alaska Airlines, with the lowest prices starting at $1,496 and $1,517, respectively. Qantas Airways is currently priced 22% 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 Alaska Airlines. According to our data, you can fly for as low as $739. Users have also found prices from $805 and $811 on American Airlines and ANA, 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 holiday 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, May is the cheapest month in which you can book a flight from Las Vegas to Sydney (average of $129). Flying from Las Vegas to Sydney in October is currently the most expensive (average of $171). 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

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Manly
Penrith
Coogee
Randwick
Cronulla
Terrigal
Lithgow
Bondi Beach
Leura

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.

Top airline flying from Las Vegas to Sydney

Discover the top airline 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 647,157 searches. Data last updated 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,399Average$1,531FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Las Vegas to Sydney?

When you search for this flight from Las Vegas to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Las Vegas to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Las Vegas to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Las Vegas to Sydney with no change fees?

Need flexible booking options for your flight to Sydney from Las Vegas? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Las Vegas to Sydney become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.