Cheap flights from Las Vegas to Sydney from $618

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Sydney departing on 6/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Las Vegas to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
16:50 - 07:20
LAS
-
SYD
21h 30m
1 stop
Air Canada Logo
09:20 - 00:08
SYD
-
LAS
31h 48m
1 stop
$1,232Air Canada
Mon, 20 Apr - Tue, 5 May
Air Canada Logo
18:00 - 07:20
LAS
-
SYD
20h 20m
1 stop
Air Canada Logo
09:20 - 23:48
SYD
-
LAS
31h 28m
1 stop
$1,250Air Canada
Mon, 11 May - Mon, 18 May
Air Canada Logo
18:00 - 07:20
LAS
-
SYD
20h 20m
1 stop
Air Canada Logo
09:20 - 16:58
SYD
-
LAS
24h 38m
1 stop
$1,252Air Canada
Sun, 10 May - Tue, 19 May
Air Canada Logo
16:50 - 07:20
LAS
-
SYD
21h 30m
1 stop
Air Canada Logo
09:20 - 00:08
SYD
-
LAS
31h 48m
1 stop
$1,255Air Canada
Sun, 19 Apr - Tue, 5 May
Air Canada Logo
06:15 - 07:20
LAS
-
SYD
32h 05m
1 stop
Air Canada Logo
09:20 - 00:08
SYD
-
LAS
31h 48m
1 stop
$1,265Air Canada
Sun, 19 Apr - Tue, 5 May
Air Canada Logo
06:45 - 07:20
LAS
-
SYD
31h 35m
1 stop
Air Canada Logo
07:30 - 23:46
SYD
-
LAS
33h 16m
2 stops
$1,288Air Canada
Mon, 8 Jun - Tue, 7 Jul
Air Canada Logo
18:00 - 07:20
LAS
-
SYD
20h 20m
1 stop
Air Canada Logo
07:00 - 16:58
SYD
-
LAS
26h 58m
2 stops
$1,290Air Canada
Sun, 10 May - Tue, 19 May
Air Canada Logo
16:50 - 10:40
LAS
-
SYD
24h 50m
2 stops
Air Canada Logo
09:20 - 00:08
SYD
-
LAS
31h 48m
1 stop
$1,297Air Canada
Sun, 19 Apr - Tue, 5 May
Air Canada Logo
18:00 - 07:20
LAS
-
SYD
20h 20m
1 stop
Air Canada Logo
09:20 - 23:48
SYD
-
LAS
31h 28m
1 stop
$1,307Air Canada
Sun, 17 May - Thu, 21 May
Air Canada Logo
18:00 - 12:40
LAS
-
SYD
25h 40m
2 stops
Air Canada Logo
07:30 - 23:46
SYD
-
LAS
33h 16m
2 stops
$1,320Air Canada
Mon, 8 Jun - Tue, 7 Jul

Air Canada flights from Las Vegas to Sydney

Our best Air Canada deals on Las Vegas to Sydney flight tickets
Air Canada
20 Apr
LAS16:50Las Vegas Harry Reid Intl
21h 30m
1 stop
SYD07:20Sydney Kingsford Smith
5 May
SYD09:20Sydney Kingsford Smith
31h 48m
1 stop
LAS00:08Las Vegas Harry Reid Intl
$1,232
Air Canada
11 May
LAS18:00Las Vegas Harry Reid Intl
20h 20m
1 stop
SYD07:20Sydney Kingsford Smith
18 May
SYD09:20Sydney Kingsford Smith
31h 28m
1 stop
LAS23:48Las Vegas Harry Reid Intl
$1,250
Air Canada
10 May
LAS18:00Las Vegas Harry Reid Intl
20h 20m
1 stop
SYD07:20Sydney Kingsford Smith
19 May
SYD09:20Sydney Kingsford Smith
24h 38m
1 stop
LAS16:58Las Vegas Harry Reid Intl
$1,252

Alaska Airlines flights from Las Vegas to Sydney

Our best Alaska Airlines deals on Las Vegas to Sydney flight tickets
Alaska Airlines
29 Mar
LAS01:55Las Vegas Harry Reid Intl
22h 55m
1 stop
SYD18:50Sydney Kingsford Smith
11 Apr
SYD20:45Sydney Kingsford Smith
27h 29m
1 stop
LAS07:14Las Vegas Harry Reid Intl
$1,819
Alaska Airlines
29 Mar
LAS01:55Las Vegas Harry Reid Intl
22h 55m
1 stop
SYD18:50Sydney Kingsford Smith
11 Apr
SYD20:45Sydney Kingsford Smith
20h 08m
1 stop
LAS23:53Las Vegas Harry Reid Intl
$1,826
Alaska Airlines
10 Apr
LAS01:55Las Vegas Harry Reid Intl
23h 55m
1 stop
SYD18:50Sydney Kingsford Smith
14 Apr
SYD20:45Sydney Kingsford Smith
20h 08m
1 stop
LAS23:53Las Vegas Harry Reid Intl
$1,831

momondo 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, momondo users made 78,305 searches. Data last updated 29 March 2026.
Use the filters below to find and compare flights from Las Vegas to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 20/4

16:50-07:20

1 stop21h 30m

Sydney Kingsford Smith

Tue 5/5

09:20-00:08

1 stop31h 48m

$1,232

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 11/5

18:00-07:20

1 stop20h 20m

Sydney Kingsford Smith

Mon 18/5

09:20-23:48

1 stop31h 28m

$1,250
Fastest return journey

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 10/5

18:00-07:20

1 stop20h 20m

Sydney Kingsford Smith

Tue 19/5

09:20-16:58

1 stop24h 38m

$1,252

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 19/4

16:50-07:20

1 stop21h 30m

Sydney Kingsford Smith

Tue 5/5

09:20-00:08

1 stop31h 48m

$1,255

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 19/4

06:15-07:20

1 stop32h 05m

Sydney Kingsford Smith

Tue 5/5

09:20-00:08

1 stop31h 48m

$1,265

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 8/6

06:45-07:20

1 stop31h 35m

Sydney Kingsford Smith

Tue 7/7

07:30-23:46

2 stops33h 16m

$1,288

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 10/5

18:00-07:20

1 stop20h 20m

Sydney Kingsford Smith

Tue 19/5

07:00-16:58

2 stops26h 58m

$1,290

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 19/4

16:50-10:40

2 stops24h 50m

Sydney Kingsford Smith

Tue 5/5

09:20-00:08

1 stop31h 48m

$1,297

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 17/5

18:00-07:20

1 stop20h 20m

Sydney Kingsford Smith

Thu 21/5

09:20-23:48

1 stop31h 28m

$1,307

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 8/6

18:00-12:40

2 stops25h 40m

Sydney Kingsford Smith

Tue 7/7

07:30-23:46

2 stops33h 16m

$1,320

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Sydney from

How to get the cheapest flight ticket from Las Vegas to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Las Vegas and Sydney?

What is the cheapest month to fly to Sydney?

The month of February is, on average, the cheapest month to fly to Sydney from Las Vegas, with most prices found around $1,502. If you aren’t able to travel to Sydney during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,538.

What is the cheapest Las Vegas Harry Reid Intl to Sydney Kingsford Smith flight route?

Fly from Las Vegas Harry Reid Intl to Sydney Kingsford Smith for the best Las Vegas Harry Reid Intl - Sydney Kingsford Smith flight prices

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,691 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Las Vegas for as low as $1,380 on momondo.

What cabin class options are available on Las Vegas Harry Reid Intl to Sydney Kingsford Smith flights?

There is only 1 cabin class available to choose from on Las Vegas Harry Reid Intl to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Las Vegas to Sydney flights?

You could potentially save up to 6% on your flight if you consider stops on a Las Vegas to Sydney flight.

How have Las Vegas to Sydney flight prices changed over time?

As of March 2026, prices for Las Vegas to Sydney flights are approximately 17% cheaper when compared to flights at the same time last year.

When to book flights from Las Vegas to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Las Vegas to Sydney (LAS to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Sydney

Fastest flight time

20h 20m

Direct flights

None
The fastest flight from Las Vegas to Sydney takes 20h 20m
There are no direct flights from Las Vegas to Sydney. There are no popular flight routes from Las Vegas to Sydney.
  • How far is Las Vegas Harry Reid Intl to Sydney Kingsford Smith by plane?

    There are 12425.5 km between Las Vegas Harry Reid Intl and Sydney Kingsford Smith. Typically, this will take 20h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Sydney Kingsford Smith Airport were last updated today.

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Sydney Kingsford Smith Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Las Vegas Harry Reid Intl Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Las Vegas to Sydney?

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Penrith
Katoomba
Lithgow
Manly
Coogee
Leura
Bondi Beach
Cronulla
Randwick
Charlestown
Newport
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Sydney?

Finding the right flight to Sydney from Las Vegas is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

Can I find flights from Las Vegas to Sydney with flexible booking policies on momondo?

All flight searches from Las Vegas to Sydney on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Las Vegas to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Las Vegas. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Las Vegas to Sydney right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Las Vegas to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 28/4
Tue 5/5

Find better results for your trip to Australia