What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Sydney Kingsford Smith?

United Airlines and Alaska Airlines are the most popular carriers operating from Las Vegas Harry Reid Intl to Sydney Kingsford Smith

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.

$747 Cheap Flights from Las Vegas to Sydney in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $1,662 to $1,269. The lowest price recently found on this route was $1,396.

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Las Vegas to Sydney

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

20:31 - 07:00

LAS

SYD

17h 29m

1 stop

10:20 - 13:50

SYD

LAS

20h 30m

1 stop

$1,396United Airlines

Wed, 1 Jul - Wed, 22 Jul

14:52 - 06:55

LAS

SYD

23h 03m

1 stop

10:20 - 18:50

SYD

LAS

25h 30m

2 stops

$1,403United Airlines

Wed, 1 Jul - Wed, 22 Jul

18:02 - 11:50

LAS

SYD

24h 48m

2 stops

13:15 - 21:35

SYD

LAS

25h 20m

2 stops

$1,407Multiple Airlines

Tue, 11 Aug - Tue, 18 Aug

19:52 - 06:55

LAS

SYD

18h 03m

1 stop

10:20 - 10:28

SYD

LAS

17h 08m

1 stop

$1,463United Airlines

Thu, 6 Aug - Mon, 10 Aug

09:27 - 07:00

LAS

SYD

28h 33m

1 stop

10:20 - 12:28

SYD

LAS

19h 08m

1 stop

$1,465United Airlines

Sat, 6 Jun - Tue, 9 Jun

12:14 - 07:00

LAS

SYD

25h 46m

2 stops

10:20 - 17:03

SYD

LAS

23h 43m

2 stops

$1,470United Airlines

Thu, 6 Aug - Mon, 10 Aug

09:37 - 07:00

LAS

SYD

28h 23m

2 stops

09:30 - 14:22

SYD

LAS

21h 52m

1 stop

$1,472United Airlines

Sat, 6 Jun - Tue, 9 Jun

18:02 - 07:30

LAS

SYD

20h 28m

1 stop

13:15 - 16:39

SYD

LAS

20h 24m

2 stops

$1,510Multiple Airlines

Tue, 1 Sep - Thu, 10 Sep

18:02 - 07:30

LAS

SYD

20h 28m

1 stop

13:15 - 21:35

SYD

LAS

25h 20m

2 stops

$1,525Multiple Airlines

Wed, 12 Aug - Wed, 19 Aug

06:45 - 07:20

LAS

SYD

31h 35m

1 stop

09:20 - 00:36

SYD

LAS

32h 16m

1 stop

$1,554Air Canada

Mon, 8 Jun - Tue, 7 Jul

United Airlines flights from Las Vegas to Sydney

Our best United Airlines deals on Las Vegas to Sydney flight tickets

United Airlines

17 May

LAS14:09Las Vegas Harry Reid Intl

23h 51m

1 stop

SYD07:00Sydney Kingsford Smith

31 May

SYD10:20Sydney Kingsford Smith

19h 08m

1 stop

LAS12:28Las Vegas Harry Reid Intl

$1,386

United Airlines

1 July

LAS20:31Las Vegas Harry Reid Intl

17h 29m

1 stop

SYD07:00Sydney Kingsford Smith

22 July

SYD10:20Sydney Kingsford Smith

20h 30m

1 stop

LAS13:50Las Vegas Harry Reid Intl

$1,396

United Airlines

1 July

LAS14:52Las Vegas Harry Reid Intl

23h 03m

1 stop

SYD06:55Sydney Kingsford Smith

22 July

SYD10:20Sydney Kingsford Smith

25h 30m

2 stops

LAS18:50Las Vegas Harry Reid Intl

$1,402

Alaska Airlines flights from Las Vegas to Sydney

Our best Alaska Airlines deals on Las Vegas to Sydney flight tickets

Alaska Airlines

2 June

LAS18:05Las Vegas Harry Reid Intl

31h 45m

1 stop

SYD18:50Sydney Kingsford Smith

9 June

SYD20:45Sydney Kingsford Smith

20h 08m

1 stop

LAS23:53Las Vegas Harry Reid Intl

$1,594

Alaska Airlines

21 July

LAS01:55Las Vegas Harry Reid Intl

23h 55m

1 stop

SYD18:50Sydney Kingsford Smith

2 Aug

SYD20:45Sydney Kingsford Smith

18h 25m

1 stop

LAS22:10Las Vegas Harry Reid Intl

$1,599

Alaska Airlines

9 June

LAS18:05Las Vegas Harry Reid Intl

31h 45m

1 stop

SYD18:50Sydney Kingsford Smith

16 June

SYD20:45Sydney Kingsford Smith

18h 25m

1 stop

LAS22:10Las Vegas Harry Reid Intl

$1,601

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 1/7

20:31-07:00

1 stop17h 29m

Sydney Kingsford Smith

Wed 22/7

10:20-13:50

1 stop20h 30m

$1,396

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 1/7

14:52-06:55

1 stop23h 03m

Sydney Kingsford Smith

Wed 22/7

10:20-18:50

2 stops25h 30m

$1,402

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 11/8

18:02-11:50

2 stops24h 48m

Sydney Kingsford Smith

Tue 18/8

13:15-21:35

2 stops25h 20m

$1,407

Fastest return journey

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 6/8

19:52-06:55

1 stop18h 03m

Sydney Kingsford Smith

Mon 10/8

10:20-10:28

1 stop17h 08m

$1,463

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 6/6

09:27-07:00

1 stop28h 33m

Sydney Kingsford Smith

Tue 9/6

10:20-12:28

1 stop19h 08m

$1,465

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 6/8

12:14-07:00

2 stops25h 46m

Sydney Kingsford Smith

Mon 10/8

10:20-17:03

2 stops23h 43m

$1,470

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 6/6

09:37-07:00

2 stops28h 23m

Sydney Kingsford Smith

Tue 9/6

09:30-14:22

1 stop21h 52m

$1,472

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 1/9

18:02-07:30

1 stop20h 28m

Sydney Kingsford Smith

Thu 10/9

13:15-16:39

2 stops20h 24m

$1,510

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 12/8

18:02-07:30

1 stop20h 28m

Sydney Kingsford Smith

Wed 19/8

13:15-21:35

2 stops25h 20m

$1,525

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

09:20-00:36

1 stop32h 16m

$1,554

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 April is, on average, the cheapest month to fly to Sydney from Las Vegas, with most prices found around $1,376. If you aren’t able to travel to Sydney during the month of April, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,423.

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 from Las Vegas 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 $1,584 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 $1,329 on momondo.

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

You could potentially save up to 31% 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 May 2026, prices for Las Vegas to Sydney flights are approximately 10% more expensive 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 28m
Direct flights	None

The fastest flight from Las Vegas to Sydney takes 20h 28m

There are no direct flights from Las Vegas to Sydney. There are no popular flight routes from Las Vegas to Sydney.

Search flight deals

Frequently asked questions about flying 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 28m 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?
Based on momondo bookings for flights between Las Vegas and Sydney, the leading plane model is Boeing 787-9 Dreamliner, making up 100.00% of the total bookings.

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.