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Cheap flights from Las Vegas to Sydney from $398

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 2/18. 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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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.
Multiple Airlines Logo
6:05 am - 12:35 pm
LAS
-
SYD
35h 30m
2 stops
Multiple Airlines Logo
2:00 pm - 9:48 pm
SYD
-
LAS
26h 48m
2 stops
$794Multiple Airlines
Sun, Feb 22 - Sun, Mar 8
Multiple Airlines Logo
4:10 pm - 7:25 am
LAS
-
SYD
21h 15m
1 stop
Multiple Airlines Logo
2:00 pm - 5:14 pm
SYD
-
LAS
21h 14m
2 stops
$843Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
4:10 pm - 7:25 am
LAS
-
SYD
21h 15m
1 stop
Multiple Airlines Logo
2:00 pm - 7:43 pm
SYD
-
LAS
23h 43m
2 stops
$850Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
1:53 pm - 7:25 am
LAS
-
SYD
22h 32m
1 stop
Multiple Airlines Logo
2:00 pm - 10:48 pm
SYD
-
LAS
26h 48m
2 stops
$851Multiple Airlines
Thu, Mar 5 - Sun, Mar 15
Multiple Airlines Logo
1:53 pm - 7:25 am
LAS
-
SYD
22h 32m
1 stop
Multiple Airlines Logo
2:00 pm - 9:36 pm
SYD
-
LAS
25h 36m
2 stops
$854Multiple Airlines
Wed, Mar 4 - Mon, Mar 16
Multiple Airlines Logo
1:53 pm - 7:25 am
LAS
-
SYD
22h 32m
1 stop
Multiple Airlines Logo
2:00 pm - 5:14 pm
SYD
-
LAS
21h 14m
2 stops
$855Multiple Airlines
Wed, Mar 4 - Thu, Mar 19
Multiple Airlines Logo
1:53 pm - 7:25 am
LAS
-
SYD
22h 32m
1 stop
Multiple Airlines Logo
2:00 pm - 12:18 am
SYD
-
LAS
29h 18m
2 stops
$856Multiple Airlines
Sat, Feb 21 - Fri, Feb 27
Multiple Airlines Logo
1:53 pm - 7:25 am
LAS
-
SYD
22h 32m
1 stop
Multiple Airlines Logo
2:00 pm - 5:18 pm
SYD
-
LAS
22h 18m
2 stops
$857Multiple Airlines
Sat, Feb 21 - Wed, Feb 25
Multiple Airlines Logo
6:05 am - 7:25 am
LAS
-
SYD
30h 20m
1 stop
Multiple Airlines Logo
2:00 pm - 9:48 pm
SYD
-
LAS
26h 48m
2 stops
$858Multiple Airlines
Sun, Feb 22 - Sun, Mar 8
Multiple Airlines Logo
2:07 pm - 7:30 am
LAS
-
SYD
24h 23m
1 stop
Multiple Airlines Logo
6:00 am - 5:40 pm
SYD
-
LAS
28h 40m
2 stops
$867Multiple Airlines
Wed, May 13 - Sat, May 23

Air New Zealand flights from Las Vegas to Sydney

Our best Air New Zealand deals on Las Vegas to Sydney flight tickets
Air New Zealand
Jun 8
LAS2:14 pmLas Vegas Harry Reid Intl
25h 31m
2 stops
SYD8:45 amSydney Kingsford Smith
Jul 7
SYD11:55 amSydney Kingsford Smith
25h 46m
2 stops
LAS8:41 pmLas Vegas Harry Reid Intl
$1,035
Air New Zealand
Jun 9
LAS6:09 pmLas Vegas Harry Reid Intl
21h 36m
2 stops
SYD8:45 amSydney Kingsford Smith
Jun 30
SYD9:55 amSydney Kingsford Smith
27h 46m
2 stops
LAS8:41 pmLas Vegas Harry Reid Intl
$1,043
Air New Zealand
Jul 21
LAS9:10 pmLas Vegas Harry Reid Intl
42h 35m
2 stops
SYD8:45 amSydney Kingsford Smith
Aug 11
SYD11:55 amSydney Kingsford Smith
23h 51m
2 stops
LAS6:46 pmLas Vegas Harry Reid Intl
$1,051

Qantas Airways flights from Las Vegas to Sydney

Our best Qantas Airways deals on Las Vegas to Sydney flight tickets
Qantas Airways
Feb 13
LAS11:29 amLas Vegas Harry Reid Intl
26h 31m
1 stop
SYD9:00 amSydney Kingsford Smith
Feb 15
SYD7:15 pmSydney Kingsford Smith
41h 39m
2 stops
LAS5:54 pmLas Vegas Harry Reid Intl
$898
Qantas Airways
Feb 12
LAS11:29 amLas Vegas Harry Reid Intl
26h 31m
1 stop
SYD9:00 amSydney Kingsford Smith
Feb 14
SYD5:50 pmSydney Kingsford Smith
35h 49m
2 stops
LAS10:39 amLas Vegas Harry Reid Intl
$902
Qantas Airways
Feb 14
LAS5:50 pmLas Vegas Harry Reid Intl
18h 35m
1 stop
SYD7:25 amSydney Kingsford Smith
Feb 16
SYD5:50 pmSydney Kingsford Smith
37h 02m
2 stops
LAS11:52 amLas Vegas Harry Reid Intl
$906

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 February 11, 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

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 2/22

6:05 am-12:35 pm

2 stops35h 30m

Sydney Kingsford Smith

Sun 3/8

2:00 pm-9:48 pm

2 stops26h 48m

$794

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 3/10

4:10 pm-7:25 am

1 stop21h 15m

Sydney Kingsford Smith

Tue 3/17

2:00 pm-5:14 pm

2 stops21h 14m

$843

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 3/10

4:10 pm-7:25 am

1 stop21h 15m

Sydney Kingsford Smith

Tue 3/17

2:00 pm-7:43 pm

2 stops23h 43m

$850

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 3/5

1:53 pm-7:25 am

1 stop22h 32m

Sydney Kingsford Smith

Sun 3/15

2:00 pm-10:48 pm

2 stops26h 48m

$851

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 3/4

1:53 pm-7:25 am

1 stop22h 32m

Sydney Kingsford Smith

Mon 3/16

2:00 pm-9:36 pm

2 stops25h 36m

$854

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 3/4

1:53 pm-7:25 am

1 stop22h 32m

Sydney Kingsford Smith

Thu 3/19

2:00 pm-5:14 pm

2 stops21h 14m

$855

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 2/21

1:53 pm-7:25 am

1 stop22h 32m

Sydney Kingsford Smith

Fri 2/27

2:00 pm-12:18 am

2 stops29h 18m

$856

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 2/21

1:53 pm-7:25 am

1 stop22h 32m

Sydney Kingsford Smith

Wed 2/25

2:00 pm-5:18 pm

2 stops22h 18m

$857

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 2/22

6:05 am-7:25 am

1 stop30h 20m

Sydney Kingsford Smith

Sun 3/8

2:00 pm-9:48 pm

2 stops26h 48m

$858

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 5/13

2:07 pm-7:30 am

1 stop24h 23m

Sydney Kingsford Smith

Sat 5/23

6:00 am-5:40 pm

2 stops28h 40m

$867

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 $1,051. 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.

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 $1,145 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 $957 on momondo.

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

As of February 2026, prices for Las Vegas to Sydney flights are approximately 6% 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

Fastest flight time

21h 15m

Direct flights

None
The fastest flight from Las Vegas to Sydney takes 21h 15m
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 21h 15m.

  • 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 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
988 reviews
Search Qantas Airways flights
Air CanadaPriceFrom $829Free CancellationRating
7.1
10,709 reviews
Search Air Canada flights
American AirlinesPriceFrom $905Free CancellationRating
7.2
11,270 reviews
Search American Airlines flights
United AirlinesPriceFrom $921Free CancellationRating
7.4
9,279 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $925Free CancellationRating
8.0
11,877 reviews
Search Alaska Airlines flights
DeltaPriceFrom $971Free CancellationRating
7.9
8,178 reviews
Search Delta flights

Traveling to a place near Sydney?

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

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