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Cheap flights from Las Vegas to Sydney from $770

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 3/11. 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
16:50 - 08:20LAS-SYD
21h 30m1 stop
Air Canada Logo
10:20 - 21:44SYD-LAS
29h 24m1 stop
$1,423Air Canada
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Tue, 21 Oct - Tue, 28 Oct
Air Canada Logo
16:50 - 08:20LAS-SYD
21h 30m1 stop
Air Canada Logo
08:00 - 21:44SYD-LAS
31h 44m2 stops
$1,446Air Canada
Find Deal
Tue, 21 Oct - Tue, 28 Oct
Alaska Airlines Logo
19:35 - 19:45LAS-SYD
30h 10m2 stops
Alaska Airlines Logo
21:40 - 13:26SYD-LAS
33h 46m2 stops
$1,512Alaska Airlines
Find Deal
Tue, 21 Oct - Tue, 28 Oct
Qantas Airways Logo
14:35 - 06:10LAS-SYD
20h 35m1 stop
Qantas Airways Logo
06:20 - 10:37SYD-LAS
23h 17m2 stops
$1,520Qantas Airways
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Tue, 27 Jan - Fri, 6 Feb
Logo
06:15 - 09:00LAS-SYD
32h 45m2 stops
Logo
11:35 - 08:42SYD-LAS
39h 07m2 stops
$1,533
Find Deal
Tue, 21 Oct - Tue, 28 Oct
Logo
19:51 - 21:50LAS-SYD
30h 59m2 stops
Logo
14:00 - 18:48SYD-LAS
23h 48m2 stops
$1,538
Find Deal
Wed, 12 Nov - Wed, 19 Nov
Qantas Airways Logo
19:35 - 09:00LAS-SYD
18h 25m1 stop
Qantas Airways Logo
06:20 - 10:54SYD-LAS
23h 34m2 stops
$1,583Qantas Airways
Find Deal
Sun, 22 Feb - Sun, 1 Mar
United Airlines Logo
19:05 - 07:00LAS-SYD
18h 55m1 stop
United Airlines Logo
09:30 - 16:14SYD-LAS
23h 44m1 stop
$1,696United Airlines
Find Deal
Sat, 27 Sep - Tue, 30 Sep
Alaska Airlines Logo
01:45 - 19:45LAS-SYD
25h 00m1 stop
Alaska Airlines Logo
21:40 - 22:24SYD-LAS
18h 44m1 stop
$1,745Alaska Airlines
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Tue, 30 Sep - Sun, 12 Oct
United Airlines Logo
13:12 - 09:05LAS-SYD
24h 53m1 stop
United Airlines Logo
11:20 - 13:06SYD-LAS
20h 46m1 stop
$1,747United Airlines
Find Deal
Thu, 27 Nov - Sun, 21 Dec

Alaska Airlines flights from Las Vegas to Sydney

Our best Alaska Airlines deals on Las Vegas to Sydney flight tickets
Alaska Airlines
21 Oct
LAS19:35Las Vegas Harry Reid Intl
30h 10m
2 stops
SYD19:45Sydney Kingsford Smith
28 Oct
SYD21:40Sydney Kingsford Smith
33h 46m
2 stops
LAS13:26Las Vegas Harry Reid Intl
$1,512
Find similar
Alaska Airlines
30 Sept
LAS01:45Las Vegas Harry Reid Intl
25h 00m
1 stop
SYD19:45Sydney Kingsford Smith
12 Oct
SYD21:40Sydney Kingsford Smith
18h 44m
1 stop
LAS22:24Las Vegas Harry Reid Intl
$1,745
Find similar
Alaska Airlines
25 Sept
LAS01:45Las Vegas Harry Reid Intl
25h 00m
1 stop
SYD19:45Sydney Kingsford Smith
4 Oct
SYD21:40Sydney Kingsford Smith
17h 44m
1 stop
LAS22:24Las Vegas Harry Reid Intl
$8,330
Find similar

Air Canada flights from Las Vegas to Sydney

Our best Air Canada deals on Las Vegas to Sydney flight tickets
Air Canada
21 Oct
LAS16:50Las Vegas Harry Reid Intl
21h 30m
1 stop
SYD08:20Sydney Kingsford Smith
28 Oct
SYD10:20Sydney Kingsford Smith
29h 24m
1 stop
LAS21:44Las Vegas Harry Reid Intl
$1,423
Find similar
Air Canada
21 Oct
LAS16:50Las Vegas Harry Reid Intl
21h 30m
1 stop
SYD08:20Sydney Kingsford Smith
28 Oct
SYD08:00Sydney Kingsford Smith
31h 44m
2 stops
LAS21:44Las Vegas Harry Reid Intl
$1,446
Find similar
Air Canada
25 Oct
LAS16:50Las Vegas Harry Reid Intl
26h 50m
2 stops
SYD13:40Sydney Kingsford Smith
7 Nov
SYD11:20Sydney Kingsford Smith
23h 39m
1 stop
LAS15:59Las Vegas Harry Reid Intl
$1,452
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 14 September 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

Tue 21/10

16:50-08:20

1 stop21h 30m

Sydney Kingsford Smith

Tue 28/10

10:20-21:44

1 stop29h 24m

$1,423

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 21/10

16:50-08:20

1 stop21h 30m

Sydney Kingsford Smith

Tue 28/10

08:00-21:44

2 stops31h 44m

$1,446

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 21/10

19:35-19:45

2 stops30h 10m

Sydney Kingsford Smith

Tue 28/10

21:40-13:26

2 stops33h 46m

$1,512

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 27/1

14:35-06:10

1 stop20h 35m

Sydney Kingsford Smith

Fri 6/2

06:20-10:37

2 stops23h 17m

$1,520

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 21/10

06:15-09:00

2 stops32h 45m

Sydney Kingsford Smith

Tue 28/10

11:35-08:42

2 stops39h 07m

$1,533

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 12/11

19:51-21:50

2 stops30h 59m

Sydney Kingsford Smith

Wed 19/11

14:00-18:48

2 stops23h 48m

$1,538

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 22/2

19:35-09:00

1 stop18h 25m

Sydney Kingsford Smith

Sun 1/3

06:20-10:54

2 stops23h 34m

$1,583

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 27/9

19:05-07:00

1 stop18h 55m

Sydney Kingsford Smith

Tue 30/9

09:30-16:14

1 stop23h 44m

$1,696

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 30/9

01:45-19:45

1 stop25h 00m

Sydney Kingsford Smith

Sun 12/10

21:40-22:24

1 stop18h 44m

$1,745

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 27/11

13:12-09:05

1 stop24h 53m

Sydney Kingsford Smith

Sun 21/12

11:20-13:06

1 stop20h 46m

$1,747

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 August is, on average, the cheapest month to fly to Sydney from Las Vegas, with most prices found around $1,521. If you aren’t able to travel to Sydney during the month of August, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,586.

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 $1,735. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,907.

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 $1,819. 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 $1,833 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 $1,801 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 $1,466 on momondo.

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

As of September 2025, prices for Las Vegas to Sydney flights are approximately 28% 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

Direct flights

None
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 25m 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 $1,382Free cancellationRating
7.4
8,934 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
Penrith
Katoomba
Lithgow
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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