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Cheap flights from Las Vegas to Sydney from $643

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SYD
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Sydney Kingsford Smith are usually found in April or March, 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 13 June 2025.

Round-trip from

$1,389

One-way from

$643

Popular in

December

Cheapest in

April

Average price

$1,768
2/8-15/8
  • 2/8-15/8
  • 3 total stops
  • 56h 24m total
  • Las Vegas to Sydney
6/9
  • 6/9
  • 1 total stop
  • 19h 55m total
  • Las Vegas to Sydney
Highest demand for flights based on searches. 17% potential increase in price ($611 potential increase over avg. return price).
Cheapest flight prices on average. 7% potential price decrease ($191 potential savings vs. average return price).
Average for round-trip flights in June 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 13 June 2025.

Sat 2/812:41LAS - SYD
2 stops32h 59mMultiple Airlines
Fri 15/816:20SYD - LAS
1 stop23h 25mMultiple Airlines
Deal found 12/6$1,389
Thu 25/907:25LAS - SYD
1 stop30h 55mAir Canada
Tue 7/1010:20SYD - LAS
1 stop31h 39mAir Canada
Deal found 11/6$1,506
Thu 4/907:25LAS - SYD
2 stops33h 00mANA
Thu 18/911:50SYD - LAS
2 stops29h 09mANA
Deal found 12/6$1,512
Thu 4/911:51LAS - SYD
1 stop26h 14mQantas Airways
Thu 18/909:10SYD - LAS
1 stop26h 41mQantas Airways
Deal found 12/6$1,566
Thu 4/917:07LAS - SYD
2 stops20h 58mAmerican Airlines
Thu 18/909:10SYD - LAS
1 stop18h 51mAmerican Airlines
Deal found 12/6$1,655
Fri 15/813:25LAS - SYD
2 stops24h 10mDelta
Wed 3/909:25SYD - LAS
2 stops29h 53mDelta
Deal found 11/6$1,681
Fri 25/701:50LAS - SYD
1 stop24h 55mHawaiian Airlines
Sat 2/821:40SYD - LAS
1 stop18h 05mHawaiian Airlines
Deal found 11/6$1,765
Tue 17/613:38LAS - SYD
2 stops24h 17mUnited Airlines
Sun 6/709:30SYD - LAS
1 stop27h 47mUnited Airlines
Deal found 11/6$1,767
Mon 17/1113:33LAS - SYD
2 stops24h 12mAir New Zealand
Sun 28/1213:55SYD - LAS
2 stops29h 06mAir New Zealand
Deal found 11/6$1,811
Fri 25/701:50LAS - SYD
1 stop24h 55mAlaska Airlines
Sat 2/821:40SYD - LAS
2 stops43h 10mAlaska Airlines
Deal found 11/6$1,816
Wed 3/901:45LAS - SYD
2 stops36h 45mAsiana Airlines
Thu 18/909:30SYD - LAS
2 stops27h 29mAsiana Airlines
Deal found 12/6$3,158
Fri 1/820:40LAS - SYD
3 stops25h 30mAir Tahiti Nui
Thu 7/808:55SYD - LAS
3 stops24h 32mAir Tahiti Nui
Deal found 12/6$3,210

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 13 June 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 2/8

12:41-14:40

2 stops32h 59m

Sydney Kingsford Smith

Fri 15/8

16:20-22:45

1 stop23h 25m

$1,389

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 25/9

07:25-07:20

1 stop30h 55m

Sydney Kingsford Smith

Tue 7/10

10:20-23:59

1 stop31h 39m

$1,506

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 4/9

07:25-09:25

2 stops33h 00m

Sydney Kingsford Smith

Thu 18/9

11:50-23:59

2 stops29h 09m

$1,512

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 4/9

11:51-07:05

1 stop26h 14m

Sydney Kingsford Smith

Thu 18/9

09:10-18:51

1 stop26h 41m

$1,566

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 4/9

17:07-07:05

2 stops20h 58m

Sydney Kingsford Smith

Thu 18/9

09:10-11:01

1 stop18h 51m

$1,655

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Fri 15/8

17:19-06:35

2 stops20h 16m

Sydney Kingsford Smith

Wed 3/9

09:25-16:11

1 stop23h 46m

$1,681

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Fri 25/7

01:50-19:45

1 stop24h 55m

Sydney Kingsford Smith

Sat 2/8

21:40-22:45

1 stop18h 05m

$1,765

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Fri 21/11

13:45-09:15

2 stops24h 30m

Sydney Kingsford Smith

Sun 7/12

11:20-14:49

2 stops22h 29m

$1,788

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 17/11

13:33-08:45

2 stops24h 12m

Sydney Kingsford Smith

Sun 28/12

13:55-00:01

2 stops29h 06m

$1,811

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Fri 25/7

01:50-19:45

1 stop24h 55m

Sydney Kingsford Smith

Sat 2/8

21:40-23:50

2 stops43h 10m

$1,816

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 28 results
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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 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 9 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.

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 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

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 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 13 June 2025.
Peruse reviews from past customers who have flown with Air Tahiti Nui, Korean Air and ANA from Las Vegas to Sydney to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Food

7.8

Crew

9.0

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.

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Food

7.8

Crew

9.0

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.

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Food

7.8

Crew

9.0

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.
8.3
Very Good

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Food

7.8

Crew

9.0

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.

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Food

7.8

Crew

9.0

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.

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Food

7.8

Crew

9.0

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 Air Canada is currently your cheapest option to Sydney, with prices starting at $1,506. Additional round-trip tickets that might be worth considering are offered by ANA and Qantas Airways, with the lowest prices starting at $1,512 and $1,566, respectively. Air Canada is currently priced 20% 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 ANA. According to our data, you can fly for as low as $780. Users have also found prices from $791 and $794 on Qantas Airways and Air Canada, 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
Swansea

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.

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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,411Average$1,545FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

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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.

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