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

View AU$786 flight on Thu, 4 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 for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri., 26 Sep. - Mon., 20 Oct.
LAS
Las Vegas
SYD
Sydney
AU$1,615 Return, found 3 days ago
AU$1,615
Return
found 3 days ago
Select Alaska Airlines flight, departing Fri., 26 Sep. from Las Vegas to Sydney, returning Mon., 20 Oct., priced at AU$1,615 found 3 days ago
Alaska Airlines
Tue., 1 Jul. - Tue., 8 Jul.
LAS
Las Vegas
SYD
Sydney
AU$1,618 Return, found 3 days ago
AU$1,618
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue., 1 Jul. from Las Vegas to Sydney, returning Tue., 8 Jul., priced at AU$1,618 found 3 days ago
United
Thu., 24 Jul. - Sun., 27 Jul.
LAS
Las Vegas
SYD
Sydney
AU$1,623 Return, found 6 days ago
AU$1,623
Return
found 6 days ago
Select United flight, departing Thu., 24 Jul. from Las Vegas to Sydney, returning Sun., 27 Jul., priced at AU$1,623 found 6 days ago
American Airlines
Fri., 1 Aug. - Thu., 14 Aug.
LAS
Las Vegas
SYD
Sydney
AU$1,636 Return, found 1 day ago
AU$1,636
Return
found 1 day ago
Select American Airlines flight, departing Fri., 1 Aug. from Las Vegas to Sydney, returning Thu., 14 Aug., priced at AU$1,636 found 1 day ago
Qantas Airways
Fri., 1 Aug. - Thu., 14 Aug.
LAS
Las Vegas
SYD
Sydney
AU$1,636 Return, found 1 day ago
AU$1,636
Return
found 1 day ago
Select Qantas Airways flight, departing Fri., 1 Aug. from Las Vegas to Sydney, returning Thu., 14 Aug., priced at AU$1,636 found 1 day ago
Qantas Airways
Fri., 1 Aug. - Thu., 14 Aug.
LAS
Las Vegas
SYD
Sydney
AU$1,636 Return, found 1 day ago
AU$1,636
Return
found 1 day ago
Select Qantas Airways flight, departing Fri., 1 Aug. from Las Vegas to Sydney, returning Thu., 14 Aug., priced at AU$1,636 found 1 day ago
Qantas Airways
Fri., 26 Sep. - Mon., 20 Oct.
LAS
Las Vegas
SYD
Sydney
AU$1,637 Return, found 3 days ago
AU$1,637
Return
found 3 days ago
Select Qantas Airways flight, departing Fri., 26 Sep. from Las Vegas to Sydney, returning Mon., 20 Oct., priced at AU$1,637 found 3 days ago
Alaska Airlines
Sun., 24 Aug. - Sun., 31 Aug.
LAS
Las Vegas
SYD
Sydney
AU$1,639 Return, found 5 days ago
AU$1,639
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun., 24 Aug. from Las Vegas to Sydney, returning Sun., 31 Aug., priced at AU$1,639 found 5 days ago
United
Fri., 1 Aug. - Thu., 14 Aug.
LAS
Las Vegas
SYD
Sydney
AU$1,661 Return, found 1 day ago
AU$1,661
Return
found 1 day ago
Select United flight, departing Fri., 1 Aug. from Las Vegas to Sydney, returning Thu., 14 Aug., priced at AU$1,661 found 1 day ago
Delta
Fri., 26 Sep. - Mon., 20 Oct.
LAS
Las Vegas
SYD
Sydney
AU$1,668 Return, found 3 days ago
AU$1,668
Return
found 3 days ago
Select Delta flight, departing Fri., 26 Sep. from Las Vegas to Sydney, returning Mon., 20 Oct., priced at AU$1,668 found 3 days ago
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, All Nippon Airways, American Airlines, Cathay Pacific, Delta, Hawaiian Airlines, Korean Air, Qantas Airways, United
Return price
AU$1,615
Distance
12362 km

Your quick guide to flights from Las Vegas to Sydney

Pick up great flights from Las Vegas to Sydney

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Las Vegas to Sydney. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Las Vegas to Sydney that take around hours.

Find cheap flights from Las Vegas to Sydney

From the great flight deals with prices currently ranging from AU$1,615 to AU$1,668, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Las Vegas to Sydney around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Sydney is normally in September.

Reasons to book your flight from Las Vegas to Sydney with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Las Vegas to Sydney across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Sydney right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

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 AU$1,615. 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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