£394 Cheap Flights from Las Vegas (LAS) to Sydney (SYD)

View £394 flight on Sun, 7 Sep 2025Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Sydney Airport (SYD)

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Cheap Flights from Las Vegas (LAS) to Sydney (SYD)

Prices were available within the past 7 days and start at £394 for one-way flights and £775 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qantas Airways
Tue, 2 Sep - Tue, 16 Sep
LAS
Las Vegas
SYD
Sydney
£775 Return, found 4 days ago
£775
Return
found 4 days ago
Select Qantas Airways flight, departing Tue, 2 Sep from Las Vegas to Sydney, returning Tue, 16 Sep, priced at £775 found 4 days ago
Alaska Airlines
Thu, 16 Oct - Sat, 15 Nov
LAS
Las Vegas
SYD
Sydney
£841 Return, found 4 days ago
£841
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 16 Oct from Las Vegas to Sydney, returning Sat, 15 Nov, priced at £841 found 4 days ago
Alaska Airlines
Fri, 17 Oct - Sat, 15 Nov
LAS
Las Vegas
SYD
Sydney
£842 Return, found 4 days ago
£842
Return
found 4 days ago
Select Alaska Airlines flight, departing Fri, 17 Oct from Las Vegas to Sydney, returning Sat, 15 Nov, priced at £842 found 4 days ago
Hawaiian Airlines
Fri, 17 Oct - Sat, 15 Nov
LAS
Las Vegas
SYD
Sydney
£849 Return, found 4 days ago
£849
Return
found 4 days ago
Select Hawaiian Airlines flight, departing Fri, 17 Oct from Las Vegas to Sydney, returning Sat, 15 Nov, priced at £849 found 4 days ago
Hawaiian Airlines
Mon, 8 Sep - Fri, 12 Sep
LAS
Las Vegas
SYD
Sydney
£851 Return, found 1 day ago
£851
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, 8 Sep from Las Vegas to Sydney, returning Fri, 12 Sep, priced at £851 found 1 day ago
Alaska Airlines
Fri, 17 Oct - Sat, 15 Nov
LAS
Las Vegas
SYD
Sydney
£854 Return, found 4 days ago
£854
Return
found 4 days ago
Select Alaska Airlines flight, departing Fri, 17 Oct from Las Vegas to Sydney, returning Sat, 15 Nov, priced at £854 found 4 days ago
Alaska Airlines
Mon, 8 Sep - Fri, 12 Sep
LAS
Las Vegas
SYD
Sydney
£859 Return, found 1 day ago
£859
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 8 Sep from Las Vegas to Sydney, returning Fri, 12 Sep, priced at £859 found 1 day ago
Hawaiian Airlines
Mon, 8 Sep - Fri, 12 Sep
LAS
Las Vegas
SYD
Sydney
£860 Return, found 1 day ago
£860
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, 8 Sep from Las Vegas to Sydney, returning Fri, 12 Sep, priced at £860 found 1 day ago
Air Canada
Mon, 1 Jun - Mon, 8 Jun
LAS
Las Vegas
SYD
Sydney
£929 Return, found 2 days ago
£929
Return
found 2 days ago
Select Air Canada flight, departing Mon, 1 Jun from Las Vegas to Sydney, returning Mon, 8 Jun, priced at £929 found 2 days ago
Cathay Pacific
Tue, 2 Sep - Tue, 16 Sep
LAS
Las Vegas
SYD
Sydney
£1,075 Return, found 4 days ago
£1,075
Return
found 4 days ago
Select Cathay Pacific flight, departing Tue, 2 Sep from Las Vegas to Sydney, returning Tue, 16 Sep, priced at £1,075 found 4 days ago

Find the cheapest month to fly from Las Vegas (LAS) to Sydney (SYD)

February is typically the cheapest month to fly

From £670 - £948 per traveller.

Graph displaying average flight prices per month

Flight from Las Vegas to Sydney route information
Origin airport
Harry Reid Intl.
Destination airport
Kingsford Smith Intl.
Return price
£775
Distance
12362 km

Compare flights from Las Vegas to Sydney easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Las Vegas to Sydney. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Kingsford Smith Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Harry Reid Intl. to Kingsford Smith Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Harry Reid Intl. (LAS) to Kingsford Smith Intl. (SYD)

The easiest way to view the best deals on flights from Las Vegas to Sydney today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Harry Reid Intl. to Kingsford Smith Intl. start at just £775 and range up to £1,075.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Las Vegas and Sydney
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Las Vegas to Sydney flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Harry Reid Intl. to Kingsford Smith Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Harry Reid Airport (formerly McCarran Airport) to Mascot Airport?
The lowest price advertised for a round-trip journey from Harry Reid Airport (formerly McCarran Airport) to SYD is £775. But you better get moving. This figure is taken from fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LAS to Sydney Airport?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from LAS to Mascot Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Harry Reid Airport (formerly McCarran Airport) to Sydney Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LAS to Kingsford Smith Intl. Airport (SYD)?
With a flight distance of 12,400 kilometres between LAS and Sydney Airport, this is a long-haul journey. Ensure that you drink plenty of water and move your legs every now and then.
Which airlines fly direct from LAS to Mascot Airport?
If you want to fly straight from LAS to Kingsford Smith Intl. Airport (SYD), you'll need to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly on this route.
Are LAS to Sydney Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from LAS to Sydney Airport can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out! If you'd rather start planning early, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines release their prices so far in advance. Our suggestion? Check back often as prices are updated regularly.

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