£466 Cheap Flights from Las Vegas (LAS) to Sydney (SYD)

View £466 flight on Wed, 27 May 2026Opens 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 £466 for one-way flights and £818 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, 17 May - Sun, 24 May
LAS
Las Vegas
SYD
Sydney
£818 Return, found 6 days ago
£818
Return
found 6 days ago
Select Air Canada flight, departing Sun, 17 May from Las Vegas to Sydney, returning Sun, 24 May, priced at £818 found 6 days ago
Air Canada
Sun, 17 May - Sun, 24 May
LAS
Las Vegas
SYD
Sydney
£838 Return, found 6 days ago
£838
Return
found 6 days ago
Select Air Canada flight, departing Sun, 17 May from Las Vegas to Sydney, returning Sun, 24 May, priced at £838 found 6 days ago
Alaska Airlines
Tue, 12 May - Tue, 19 May
LAS
Las Vegas
SYD
Sydney
£857 Return, found 5 hours ago
£857
Return
found 5 hours ago
Select Alaska Airlines flight, departing Tue, 12 May from Las Vegas to Sydney, returning Tue, 19 May, priced at £857 found 5 hours ago
Air Canada
Sun, 17 May - Sun, 24 May
LAS
Las Vegas
SYD
Sydney
£866 Return, found 6 days ago
£866
Return
found 6 days ago
Select Air Canada flight, departing Sun, 17 May from Las Vegas to Sydney, returning Sun, 24 May, priced at £866 found 6 days ago
Delta
Wed, 20 May - Sun, 24 May
LAS
Las Vegas
SYD
Sydney
£884 Return, found 4 days ago
£884
Return
found 4 days ago
Select Delta flight, departing Wed, 20 May from Las Vegas to Sydney, returning Sun, 24 May, priced at £884 found 4 days ago
United
Wed, 20 May - Sun, 24 May
LAS
Las Vegas
SYD
Sydney
£913 Return, found 4 days ago
£913
Return
found 4 days ago
Select United flight, departing Wed, 20 May from Las Vegas to Sydney, returning Sun, 24 May, priced at £913 found 4 days ago
Alaska Airlines
Sat, 27 Jun - Sat, 11 Jul
LAS
Las Vegas
SYD
Sydney
£930 Return, found 1 day ago
£930
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 27 Jun from Las Vegas to Sydney, returning Sat, 11 Jul, priced at £930 found 1 day ago
Air Canada
Sun, 17 May - Sun, 24 May
LAS
Las Vegas
SYD
Sydney
£936 Return, found 6 days ago
£936
Return
found 6 days ago
Select Air Canada flight, departing Sun, 17 May from Las Vegas to Sydney, returning Sun, 24 May, priced at £936 found 6 days ago
Air Canada
Sun, 17 May - Sun, 24 May
LAS
Las Vegas
SYD
Sydney
£937 Return, found 6 days ago
£937
Return
found 6 days ago
Select Air Canada flight, departing Sun, 17 May from Las Vegas to Sydney, returning Sun, 24 May, priced at £937 found 6 days ago
Qantas Airways
Wed, 3 Feb - Tue, 23 Feb
LAS
Las Vegas
SYD
Sydney
£995 Return, found 1 day ago
£995
Return
found 1 day ago
Select Qantas Airways flight, departing Wed, 3 Feb from Las Vegas to Sydney, returning Tue, 23 Feb, priced at £995 found 1 day ago

Frequently asked questions

How do I find cheap flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
To find a cheap flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
There are approximately 55 connecting flights per day from Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.). Some common connection points include Los Angeles Intl. (LAX), San Francisco Intl. (SFO), and Seattle - Tacoma Intl. (SEA).
What is the earliest flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The earliest flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) typically departs at approximately 12:35 AM local time. This service is operated by United Airlines and is a seasonal service active in March. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
You'll find the most flights from Harry Reid International Airport (LAS) to Sydney, NSW (SYD-Kingsford Smith Intl.) (SYD) on a Tuesday, with around 54 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, American Airlines, and Alaska Airlines. Flight options are notably more plentiful on Tuesdays compared to other days of the week, offering you a good selection.
What are the most popular departure times for flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The most popular departure times for flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) are in the evening, from 6pm to 9pm. Approximately 33% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines and Qantas, offer flights during this window. These times work well because you can enjoy your day in Las Vegas before your evening flight, and you'll arrive in Sydney ready to start your day.
How long does it take to fly from Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Flying from LAS to SYD with a connection usually takes about 18 hours 30 minutes, traveling roughly 7,727 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Select the "Business class" and "First class" filters when looking for LAS to SYD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight with Expedia?
It's easy to earn miles on a Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sydney from McCarran Intl. (LAS)?
From Harry Reid International Airport (LAS), you can fly directly into Kingsford Smith Intl. (SYD) to reach Sydney. Some flights may connect through major hubs like Los Angeles Intl. (LAX), San Francisco Intl. (SFO), Dallas-Fort Worth Intl. (DFW) before reaching Sydney. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) at the last minute?
Typically, booking a last minute flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight and hotel package?
Securing a Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
If you booked your Las Vegas, NV (LAS-Harry Reid Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Harry Reid Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air New Zealand, Alaska Airlines, Asiana Airlines, British Airways, Cathay Pacific, Korean Air, Qantas Airways
Return price
£818
Distance
12362 km

Book with confidence

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 £818 and range up to £995.  

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 May, 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.  

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

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*Available to Expedia members.