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

Qantas Airways, United Airlines, and American 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 many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Sydney Kingsford Smith Airport?

There is 1 operator available for flights from Las Vegas Harry Reid Intl Airport to Sydney Kingsford Smith Airport as of December 2025.

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.

$613 Cheap Flights from Las Vegas to Sydney in 2025/26

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 $1,703 to $2,397. The lowest price recently found on this route was $1,273.

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Find the cheapest flights from Las Vegas to Sydney

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One-way

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Enter your travel dates to find the best prices.

16:45 - 09:35

LAS

SYD

21h 50m1 stop

10:20 - 15:59

SYD

LAS

23h 39m1 stop

$1,273Air Canada

Mon, 23 Feb - Tue, 10 Mar

16:45 - 07:20

LAS

SYD

21h 35m1 stop

09:20 - 22:17

SYD

LAS

29h 57m1 stop

$1,274Air Canada

Mon, 6 Apr - Mon, 13 Apr

16:45 - 08:35

LAS

SYD

21h 50m1 stop

09:20 - 22:17

SYD

LAS

29h 57m1 stop

$1,280Air Canada

Mon, 23 Mar - Mon, 13 Apr

16:45 - 08:35

LAS

SYD

21h 50m1 stop

06:00 - 15:58

SYD

LAS

26h 58m2 stops

$1,294Multiple Airlines

Mon, 23 Mar - Mon, 13 Apr

16:45 - 11:25

LAS

SYD

25h 40m2 stops

09:20 - 15:58

SYD

LAS

23h 38m1 stop

$1,295Multiple Airlines

Mon, 6 Apr - Mon, 13 Apr

06:15 - 14:40

LAS

SYD

37h 25m2 stops

10:20 - 15:59

SYD

LAS

23h 39m1 stop

$1,303Air Canada

Mon, 23 Feb - Tue, 10 Mar

06:15 - 14:40

LAS

SYD

37h 25m2 stops

11:20 - 15:59

SYD

LAS

23h 39m1 stop

$1,307Air Canada

Tue, 20 Jan - Tue, 27 Jan

16:45 - 11:25

LAS

SYD

25h 40m2 stops

06:00 - 15:58

SYD

LAS

26h 58m2 stops

$1,316Multiple Airlines

Mon, 6 Apr - Mon, 13 Apr

16:45 - 14:40

LAS

SYD

26h 55m2 stops

09:00 - 00:04

SYD

LAS

34h 04m2 stops

$1,324Air Canada

Tue, 20 Jan - Tue, 24 Feb

06:15 - 12:40

LAS

SYD

36h 25m2 stops

07:00 - 15:58

SYD

LAS

25h 58m2 stops

$1,325Air Canada

Mon, 23 Mar - Mon, 13 Apr

Qantas Airways flights from Las Vegas to Sydney

Our best Qantas Airways deals on Las Vegas to Sydney flight tickets

Qantas Airways

22 May

LAS19:45Las Vegas Harry Reid Intl

18h 20m

1 stop

SYD07:05Sydney Kingsford Smith

29 May

SYD09:10Sydney Kingsford Smith

19h 21m

1 stop

LAS11:31Las Vegas Harry Reid Intl

$1,372

Find similar

Qantas Airways

5 Feb

LAS15:20Las Vegas Harry Reid Intl

21h 05m

1 stop

SYD07:25Sydney Kingsford Smith

12 Feb

SYD11:20Sydney Kingsford Smith

18h 06m

1 stop

LAS10:26Las Vegas Harry Reid Intl

$1,376

Find similar

Qantas Airways

9 Feb

LAS17:55Las Vegas Harry Reid Intl

18h 30m

1 stop

SYD07:25Sydney Kingsford Smith

20 Feb

SYD17:45Sydney Kingsford Smith

35h 41m

1 stop

LAS10:26Las Vegas Harry Reid Intl

$1,445

Find similar

Delta flights from Las Vegas to Sydney

Our best Delta deals on Las Vegas to Sydney flight tickets

Delta

23 Feb

LAS18:35Las Vegas Harry Reid Intl

18h 55m

1 stop

SYD08:30Sydney Kingsford Smith

3 Mar

SYD14:15Sydney Kingsford Smith

25h 51m

1 stop

LAS21:06Las Vegas Harry Reid Intl

$1,384

Find similar

Delta

31 May

LAS06:10Las Vegas Harry Reid Intl

31h 25m

2 stops

SYD06:35Sydney Kingsford Smith

17 June

SYD09:15Sydney Kingsford Smith

16h 33m

1 stop

LAS08:48Las Vegas Harry Reid Intl

$1,390

Find similar

Delta

23 Feb

LAS19:55Las Vegas Harry Reid Intl

17h 35m

1 stop

SYD08:30Sydney Kingsford Smith

1 Mar

SYD10:40Sydney Kingsford Smith

31h 42m

2 stops

LAS23:22Las Vegas Harry Reid Intl

$1,391

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 23/2

16:45-09:35

1 stop21h 50m

Sydney Kingsford Smith

Tue 10/3

10:20-15:59

1 stop23h 39m

$1,273

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 6/4

16:45-07:20

1 stop21h 35m

Sydney Kingsford Smith

Mon 13/4

09:20-22:17

1 stop29h 57m

$1,274

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 23/3

16:45-08:35

1 stop21h 50m

Sydney Kingsford Smith

Mon 13/4

09:20-22:17

1 stop29h 57m

$1,280

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 23/3

16:45-08:35

1 stop21h 50m

Sydney Kingsford Smith

Mon 13/4

06:00-15:58

2 stops26h 58m

$1,294

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 6/4

16:45-11:25

2 stops25h 40m

Sydney Kingsford Smith

Mon 13/4

09:20-15:58

1 stop23h 38m

$1,295

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 23/2

06:15-14:40

2 stops37h 25m

Sydney Kingsford Smith

Tue 10/3

10:20-15:59

1 stop23h 39m

$1,303

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 20/1

06:15-14:40

2 stops37h 25m

Sydney Kingsford Smith

Tue 27/1

11:20-15:59

1 stop23h 39m

$1,307

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 6/4

16:45-11:25

2 stops25h 40m

Sydney Kingsford Smith

Mon 13/4

06:00-15:58

2 stops26h 58m

$1,316

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 20/1

16:45-14:40

2 stops26h 55m

Sydney Kingsford Smith

Tue 24/2

09:00-00:04

2 stops34h 04m

$1,324

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 23/3

06:15-12:40

2 stops36h 25m

Sydney Kingsford Smith

Mon 13/4

07:00-15:58

2 stops25h 58m

$1,325

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 November is, on average, the cheapest month to fly to Sydney from Las Vegas, with most prices found around $1,428. If you aren’t able to travel to Sydney during the month of November, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,467.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,726. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,898.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the evening. momondo users have found flights departing from Las Vegas to Sydney in the evening for as low as $1,810. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,824 on average. Flights to Sydney from Las Vegas in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $1,675 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 $1,426 on momondo.

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

As of December 2025, prices for Las Vegas to Sydney flights are approximately 37% 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	18h 30m
Direct flights	None

The fastest flight from Las Vegas to Sydney takes 18h 30m

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

Search flight deals

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 18h 30m 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 many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Sydney Kingsford Smith Airport?
There is 1 operator available for flights from Las Vegas Harry Reid Intl Airport to Sydney Kingsford Smith Airport as of December 2025.
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 airline from Las Vegas to Sydney?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Las Vegas to Sydney is United Airlines (100% of total bookings).

Best airlines flying from Las Vegas to Sydney

Compare and see reviews for airlines that fly from Las Vegas to Sydney with momondo

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,375	Free cancellation	Rating 7.4 9,110 reviews		Search United Airlines flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Leura

Manly

Bondi Beach

Coogee

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.