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Cheap flights from Las Vegas to Sydney from $389

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 5/6. 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

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Find the cheapest flights from Las Vegas to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:15 am - 7:20 am
LAS
-
SYD
32h 05m
1 stop
Air Canada Logo
9:20 am - 12:08 am
SYD
-
LAS
31h 48m
1 stop
$852Air Canada
Sun, Apr 19 - Tue, May 5
Air Canada Logo
4:50 pm - 7:20 am
LAS
-
SYD
21h 30m
1 stop
Air Canada Logo
9:20 am - 11:48 pm
SYD
-
LAS
31h 28m
1 stop
$857Air Canada
Sun, Apr 19 - Mon, May 4
Air Canada Logo
4:50 pm - 7:20 am
LAS
-
SYD
21h 30m
1 stop
Air Canada Logo
9:20 am - 4:58 pm
SYD
-
LAS
24h 38m
1 stop
$859Air Canada
Tue, Apr 21 - Mon, May 11
Air Canada Logo
6:15 am - 7:20 am
LAS
-
SYD
32h 05m
1 stop
Air Canada Logo
9:20 am - 12:08 am
SYD
-
LAS
31h 48m
1 stop
$860Air Canada
Sun, Apr 19 - Tue, May 5
Air Canada Logo
4:50 pm - 7:20 am
LAS
-
SYD
21h 30m
1 stop
Air Canada Logo
9:20 am - 11:48 pm
SYD
-
LAS
31h 28m
1 stop
$862Air Canada
Sun, Apr 19 - Sun, May 3
Air Canada Logo
6:45 am - 7:20 am
LAS
-
SYD
31h 35m
1 stop
Air Canada Logo
9:20 am - 11:48 pm
SYD
-
LAS
31h 28m
1 stop
$863Air Canada
Tue, May 5 - Tue, May 12
Air Canada Logo
6:15 am - 7:20 am
LAS
-
SYD
32h 05m
1 stop
Air Canada Logo
7:00 am - 4:58 pm
SYD
-
LAS
26h 58m
2 stops
$867Air Canada
Sun, Apr 19 - Tue, May 5
Multiple Airlines Logo
4:50 pm - 12:40 pm
LAS
-
SYD
26h 50m
2 stops
Multiple Airlines Logo
9:20 am - 4:58 pm
SYD
-
LAS
24h 38m
1 stop
$873Multiple Airlines
Sun, Apr 19 - Mon, May 4
Air Canada Logo
6:15 am - 7:20 am
LAS
-
SYD
32h 05m
1 stop
Air Canada Logo
7:00 am - 4:58 pm
SYD
-
LAS
26h 58m
2 stops
$875Air Canada
Sun, Apr 19 - Tue, May 5
Multiple Airlines Logo
6:15 am - 7:20 am
LAS
-
SYD
32h 05m
1 stop
Multiple Airlines Logo
6:00 am - 4:58 pm
SYD
-
LAS
27h 58m
2 stops
$878Multiple Airlines
Tue, Apr 21 - Mon, May 11

Air Canada flights from Las Vegas to Sydney

Our best Air Canada deals on Las Vegas to Sydney flight tickets
Air Canada
Apr 19
LAS6:15 amLas Vegas Harry Reid Intl
32h 05m
1 stop
SYD7:20 amSydney Kingsford Smith
May 5
SYD9:20 amSydney Kingsford Smith
31h 48m
1 stop
LAS12:08 amLas Vegas Harry Reid Intl
$852
Air Canada
Apr 19
LAS4:50 pmLas Vegas Harry Reid Intl
21h 30m
1 stop
SYD7:20 amSydney Kingsford Smith
May 4
SYD9:20 amSydney Kingsford Smith
31h 28m
1 stop
LAS11:48 pmLas Vegas Harry Reid Intl
$857
Air Canada
Apr 21
LAS4:50 pmLas Vegas Harry Reid Intl
21h 30m
1 stop
SYD7:20 amSydney Kingsford Smith
May 11
SYD9:20 amSydney Kingsford Smith
24h 38m
1 stop
LAS4:58 pmLas Vegas Harry Reid Intl
$859

Etihad Airways flights from Las Vegas to Sydney

Our best Etihad Airways deals on Las Vegas to Sydney flight tickets
Etihad Airways
Mar 28
LAS12:30 pmLas Vegas Harry Reid Intl
36h 15m
2 stops
SYD6:45 pmSydney Kingsford Smith
Apr 11
SYD9:35 pmSydney Kingsford Smith
40h 55m
2 stops
LAS9:30 pmLas Vegas Harry Reid Intl
$1,777
Etihad Airways
Mar 28
LAS12:30 pmLas Vegas Harry Reid Intl
36h 15m
2 stops
SYD6:45 pmSydney Kingsford Smith
Apr 11
SYD9:35 pmSydney Kingsford Smith
40h 55m
2 stops
LAS9:30 pmLas Vegas Harry Reid Intl
$1,778
Etihad Airways
Mar 30
LAS12:39 pmLas Vegas Harry Reid Intl
59h 11m
2 stops
SYD5:50 pmSydney Kingsford Smith
Apr 11
SYD9:35 pmSydney Kingsford Smith
40h 55m
2 stops
LAS9:30 pmLas Vegas Harry Reid Intl
$1,852

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated March 24, 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 round-trip

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 4/19

6:15 am-7:20 am

1 stop32h 05m

Sydney Kingsford Smith

Tue 5/5

9:20 am-12:08 am

1 stop31h 48m

$852

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 4/19

4:50 pm-7:20 am

1 stop21h 30m

Sydney Kingsford Smith

Mon 5/4

9:20 am-11:48 pm

1 stop31h 28m

$857
Quickest round-trip

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 4/21

4:50 pm-7:20 am

1 stop21h 30m

Sydney Kingsford Smith

Mon 5/11

9:20 am-4:58 pm

1 stop24h 38m

$859

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 4/19

6:15 am-7:20 am

1 stop32h 05m

Sydney Kingsford Smith

Tue 5/5

9:20 am-12:08 am

1 stop31h 48m

$860

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 4/19

4:50 pm-7:20 am

1 stop21h 30m

Sydney Kingsford Smith

Sun 5/3

9:20 am-11:48 pm

1 stop31h 28m

$862

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 5/5

6:45 am-7:20 am

1 stop31h 35m

Sydney Kingsford Smith

Tue 5/12

9:20 am-11:48 pm

1 stop31h 28m

$863

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 4/19

6:15 am-7:20 am

1 stop32h 05m

Sydney Kingsford Smith

Tue 5/5

7:00 am-4:58 pm

2 stops26h 58m

$867

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 4/19

4:50 pm-12:40 pm

2 stops26h 50m

Sydney Kingsford Smith

Mon 5/4

9:20 am-4:58 pm

1 stop24h 38m

$873

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 4/19

6:15 am-7:20 am

1 stop32h 05m

Sydney Kingsford Smith

Tue 5/5

7:00 am-4:58 pm

2 stops26h 58m

$875

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 4/21

6:15 am-7:20 am

1 stop32h 05m

Sydney Kingsford Smith

Mon 5/11

6:00 am-4:58 pm

2 stops27h 58m

$878

Flights are sorted by cheapest round-trip 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?

In general, February is the cheapest month to fly from Las Vegas to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,033. If you are unable to visit Sydney during the month of February, then departing from Las Vegas during the month September is also very affordable. Most momondo users find prices during this month for around $1,058.

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 $1,163 when searching weeks out. 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 $949 on momondo.

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

There are 2 cabin classes 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 13% 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 round-trip 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

$1,085

Fastest flight time

19h 35m

Direct flights

None
The best flight deal from Las Vegas to Sydney found on momondo in the last 72 hours is $1,085
The fastest flight from Las Vegas to Sydney takes 19h 35m
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?

    A flight from Las Vegas Harry Reid Intl to Sydney Kingsford Smith will travel around 7720.9 mi. In terms of flight time, this usually takes a little over 19h 35m.

  • 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 for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

  • 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
Qantas AirwaysPriceFrom $730Free CancellationRating
7.5
1,009 reviews
Search Qantas Airways flights
Air CanadaPriceFrom $829Free CancellationRating
7.1
10,836 reviews
Search Air Canada flights
United AirlinesPriceFrom $924Free CancellationRating
7.4
9,467 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $925Free CancellationRating
7.9
12,102 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $926Free CancellationRating
7.1
11,492 reviews
Search American Airlines flights
DeltaPriceFrom $972Free CancellationRating
7.9
8,319 reviews
Search Delta flights

Traveling to a place near Sydney?

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Las Vegas to Sydney. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Sydney from Las Vegas with this policy.

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

Once you have performed a search for Las Vegas to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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