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Cheap flights from Las Vegas to Sydney from $517

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 19/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Air Canada Logo
07:25 - 07:20LAS-SYD
30h 55m1 stop
Air Canada Logo
09:20 - 15:58SYD-LAS
23h 38m1 stop
$1,308Air Canada
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Sun, 7 Sep - Sun, 14 Sep
Logo
01:45 - 14:40LAS-SYD
19h 55m1 stop
Logo
16:20 - 23:26SYD-LAS
24h 06m2 stops
$1,330
Find Deal
Sat, 6 Sep - Sun, 14 Sep
Logo
01:45 - 14:40LAS-SYD
19h 55m1 stop
Logo
16:20 - 21:28SYD-LAS
22h 08m1 stop
$1,337
Find Deal
Sat, 6 Sep - Sun, 14 Sep
Qantas Airways Logo
11:52 - 07:05LAS-SYD
26h 13m1 stop
Qantas Airways Logo
09:10 - 18:51SYD-LAS
26h 41m1 stop
$1,471Qantas Airways
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Fri, 12 Sep - Fri, 19 Sep
Qantas Airways Logo
19:45 - 07:05LAS-SYD
18h 20m1 stop
Qantas Airways Logo
10:10 - 14:46SYD-LAS
22h 36m1 stop
$1,518Qantas Airways
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Thu, 25 Sep - Tue, 7 Oct
American Airlines Logo
11:52 - 07:05LAS-SYD
26h 13m1 stop
American Airlines Logo
09:10 - 18:51SYD-LAS
26h 41m1 stop
$1,544American Airlines
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Thu, 11 Sep - Thu, 18 Sep
American Airlines Logo
11:58 - 07:05LAS-SYD
26h 07m1 stop
American Airlines Logo
17:45 - 20:41SYD-LAS
19h 56m1 stop
$1,546American Airlines
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Tue, 2 Sep - Tue, 9 Sep
Delta Logo
13:25 - 06:35LAS-SYD
24h 10m2 stops
Delta Logo
09:25 - 22:18SYD-LAS
29h 53m2 stops
$1,578Delta
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Tue, 2 Sep - Tue, 9 Sep
Delta Logo
10:54 - 06:35LAS-SYD
26h 41m1 stop
Delta Logo
09:25 - 16:11SYD-LAS
23h 46m1 stop
$1,784Delta
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Fri, 15 Aug - Wed, 3 Sep
United Airlines Logo
15:27 - 07:00LAS-SYD
22h 33m2 stops
United Airlines Logo
12:10 - 13:39SYD-LAS
19h 29m1 stop
$1,790United Airlines
Find Deal
Thu, 2 Oct - Sun, 2 Nov

Delta flights from Las Vegas to Sydney

Our best Delta deals on Las Vegas to Sydney flight tickets
Delta
2 Sept
LAS13:25Las Vegas Harry Reid Intl
24h 10m
2 stops
SYD06:35Sydney Kingsford Smith
9 Sept
SYD09:25Sydney Kingsford Smith
29h 53m
2 stops
LAS22:18Las Vegas Harry Reid Intl
$1,578
Find similar
Delta
15 Aug
LAS10:54Las Vegas Harry Reid Intl
26h 41m
1 stop
SYD06:35Sydney Kingsford Smith
3 Sept
SYD09:25Sydney Kingsford Smith
23h 46m
1 stop
LAS16:11Las Vegas Harry Reid Intl
$1,784
Find similar
Delta
2 Oct
LAS09:49Las Vegas Harry Reid Intl
27h 46m
2 stops
SYD06:35Sydney Kingsford Smith
2 Nov
SYD10:40Sydney Kingsford Smith
30h 33m
2 stops
LAS23:13Las Vegas Harry Reid Intl
$1,792
Find similar

American Airlines flights from Las Vegas to Sydney

Our best American Airlines deals on Las Vegas to Sydney flight tickets
American Airlines
11 Sept
LAS11:52Las Vegas Harry Reid Intl
26h 13m
1 stop
SYD07:05Sydney Kingsford Smith
18 Sept
SYD09:10Sydney Kingsford Smith
26h 41m
1 stop
LAS18:51Las Vegas Harry Reid Intl
$1,544
Find similar
American Airlines
2 Sept
LAS11:58Las Vegas Harry Reid Intl
26h 07m
1 stop
SYD07:05Sydney Kingsford Smith
9 Sept
SYD17:45Sydney Kingsford Smith
19h 56m
1 stop
LAS20:41Las Vegas Harry Reid Intl
$1,546
Find similar
American Airlines
7 Sept
LAS17:05Las Vegas Harry Reid Intl
21h 00m
2 stops
SYD07:05Sydney Kingsford Smith
14 Sept
SYD06:00Sydney Kingsford Smith
22h 01m
2 stops
LAS11:01Las Vegas Harry Reid Intl
$1,548
Find similar

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 30 July 2025.
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

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 7/9

07:25-07:20

1 stop30h 55m

Sydney Kingsford Smith

Sun 14/9

09:20-15:58

1 stop23h 38m

$1,308

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 6/9

01:45-14:40

1 stop19h 55m

Sydney Kingsford Smith

Sun 14/9

16:20-23:26

2 stops24h 06m

$1,330

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 6/9

01:45-14:40

1 stop19h 55m

Sydney Kingsford Smith

Sun 14/9

16:20-21:28

1 stop22h 08m

$1,337

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Fri 12/9

11:52-07:05

1 stop26h 13m

Sydney Kingsford Smith

Fri 19/9

09:10-18:51

1 stop26h 41m

$1,471

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 25/9

19:45-07:05

1 stop18h 20m

Sydney Kingsford Smith

Tue 7/10

10:10-14:46

1 stop22h 36m

$1,518

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 11/9

11:52-07:05

1 stop26h 13m

Sydney Kingsford Smith

Thu 18/9

09:10-18:51

1 stop26h 41m

$1,544

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 2/9

11:58-07:05

1 stop26h 07m

Sydney Kingsford Smith

Tue 9/9

17:45-20:41

1 stop19h 56m

$1,546

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 2/9

13:25-06:35

2 stops24h 10m

Sydney Kingsford Smith

Tue 9/9

09:25-22:18

2 stops29h 53m

$1,578

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Fri 15/8

10:54-06:35

1 stop26h 41m

Sydney Kingsford Smith

Wed 3/9

09:25-16:11

1 stop23h 46m

$1,784

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 2/10

15:27-07:00

2 stops22h 33m

Sydney Kingsford Smith

Sun 2/11

12:10-13:39

1 stop19h 29m

$1,790

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest month to fly to Sydney?

The month of March is, on average, the cheapest month to fly to Sydney from Las Vegas, with most prices found around $1,650. If you aren’t able to travel to Sydney during the month of March, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,670.

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 $1,772. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,948.

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 $1,858. 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 $1,872 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 $1,902 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 $1,587 on momondo.

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

As of July 2025, prices for Las Vegas to Sydney flights are approximately 48% 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

Best price found

$517

Fastest flight time

18h 20m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Las Vegas in the past 72 hours is $517. The best return flight deal from Las Vegas to Sydney found on momondo in the last 72 hours is $1,308.
The fastest flight from Las Vegas to Sydney takes 18h 20m
There are no direct flights from Las Vegas to Sydney. Popular non-direct route for this connection is Las Vegas Harry Reid Intl Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
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  • 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 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 many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Sydney Kingsford Smith Airport?

  • 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?

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 AirlinesPriceFrom $1,412Free cancellationRating
7.4
8,896 reviews
Search United Airlines flights

Travelling to a place near Sydney?

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

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