£417 Cheap Flights from Las Vegas (LAS) to Sydney (SYD)

View £417 flight on Sat, 18 Oct 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 £417 for one-way flights and £742 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, 21 Oct - Tue, 28 Oct
LAS
Las Vegas
SYD
Sydney
£742 Return, found 7 hours ago
£742
Return
found 7 hours ago
Select Air Canada flight, departing Tue, 21 Oct from Las Vegas to Sydney, returning Tue, 28 Oct, priced at £742 found 7 hours ago
Air Canada
Fri, 3 Apr - Fri, 10 Apr
LAS
Las Vegas
SYD
Sydney
£771 Return, found 5 days ago
£771
Return
found 5 days ago
Select Air Canada flight, departing Fri, 3 Apr from Las Vegas to Sydney, returning Fri, 10 Apr, priced at £771 found 5 days ago
Hawaiian Airlines
Tue, 16 Sept - Tue, 23 Sept
LAS
Las Vegas
SYD
Sydney
£786 Return, found 2 days ago
£786
Return
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, 16 Sept from Las Vegas to Sydney, returning Tue, 23 Sept, priced at £786 found 2 days ago
Alaska Airlines
Tue, 16 Sept - Tue, 23 Sept
LAS
Las Vegas
SYD
Sydney
£786 Return, found 2 days ago
£786
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 16 Sept from Las Vegas to Sydney, returning Tue, 23 Sept, priced at £786 found 2 days ago
Air Canada
Sat, 18 Oct - Sat, 8 Nov
LAS
Las Vegas
SYD
Sydney
£812 Return, found 2 days ago
£812
Return
found 2 days ago
Select Air Canada flight, departing Sat, 18 Oct from Las Vegas to Sydney, returning Sat, 8 Nov, priced at £812 found 2 days ago
Delta
Fri, 19 Sept - Sun, 12 Oct
LAS
Las Vegas
SYD
Sydney
£820 Return, found 1 day ago
£820
Return
found 1 day ago
Select Delta flight, departing Fri, 19 Sept from Las Vegas to Sydney, returning Sun, 12 Oct, priced at £820 found 1 day ago
United
Fri, 19 Sept - Sun, 12 Oct
LAS
Las Vegas
SYD
Sydney
£821 Return, found 1 day ago
£821
Return
found 1 day ago
Select United flight, departing Fri, 19 Sept from Las Vegas to Sydney, returning Sun, 12 Oct, priced at £821 found 1 day ago
Qantas Airways
Fri, 19 Sept - Sun, 12 Oct
LAS
Las Vegas
SYD
Sydney
£823 Return, found 1 day ago
£823
Return
found 1 day ago
Select Qantas Airways flight, departing Fri, 19 Sept from Las Vegas to Sydney, returning Sun, 12 Oct, priced at £823 found 1 day ago
Air New Zealand
Mon, 20 Oct - Mon, 3 Nov
LAS
Las Vegas
SYD
Sydney
£851 Return, found 1 day ago
£851
Return
found 1 day ago
Select Air New Zealand flight, departing Mon, 20 Oct from Las Vegas to Sydney, returning Mon, 3 Nov, priced at £851 found 1 day ago
American Airlines
Fri, 19 Sept - Sun, 12 Oct
LAS
Las Vegas
SYD
Sydney
£971 Return, found 1 day ago
£971
Return
found 1 day ago
Select American Airlines flight, departing Fri, 19 Sept from Las Vegas to Sydney, returning Sun, 12 Oct, priced at £971 found 1 day ago

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

February is typically the cheapest month to fly

From £657 - £929 per traveller.
Flight from Las Vegas to Sydney route information
Origin airport
Harry Reid Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air New Zealand, Air Tahiti Nui, Alaska Airlines, Asiana Airlines, British Airways, Cathay Pacific, Japan Airlines, Korean Air, Qantas Airways
Return price
£742
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 £742 and range up to £971.  

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 October, 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 £742. 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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