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Cheap flights from Las Vegas to Sydney from $541

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 5/18. 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.
United Airlines Logo
8:31 pm - 7:00 am
LAS
-
SYD
17h 29m
1 stop
United Airlines Logo
10:20 am - 1:50 pm
SYD
-
LAS
20h 30m
1 stop
$1,011United Airlines
Wed, Jul 1 - Wed, Jul 22
United Airlines Logo
2:52 pm - 6:55 am
LAS
-
SYD
23h 03m
1 stop
United Airlines Logo
10:20 am - 6:50 pm
SYD
-
LAS
25h 30m
2 stops
$1,016United Airlines
Wed, Jul 1 - Wed, Jul 22
Multiple Airlines Logo
6:02 pm - 11:50 am
LAS
-
SYD
24h 48m
2 stops
Multiple Airlines Logo
1:15 pm - 9:35 pm
SYD
-
LAS
25h 20m
2 stops
$1,019Multiple Airlines
Tue, Aug 11 - Tue, Aug 18
Delta Logo
5:59 pm - 7:50 am
LAS
-
SYD
19h 51m
1 stop
Delta Logo
10:15 am - 4:54 pm
SYD
-
LAS
24h 39m
1 stop
$1,060Delta
Thu, Oct 15 - Sun, Oct 25
United Airlines Logo
9:27 am - 7:00 am
LAS
-
SYD
28h 33m
1 stop
United Airlines Logo
10:20 am - 12:28 pm
SYD
-
LAS
19h 08m
1 stop
$1,061United Airlines
Sat, Jun 6 - Tue, Jun 9
Delta Logo
5:59 pm - 7:50 am
LAS
-
SYD
19h 51m
1 stop
Delta Logo
10:40 am - 7:03 pm
SYD
-
LAS
26h 23m
2 stops
$1,065Delta
Thu, Oct 15 - Sun, Nov 1
United Airlines Logo
9:37 am - 7:00 am
LAS
-
SYD
28h 23m
2 stops
United Airlines Logo
9:30 am - 2:22 pm
SYD
-
LAS
21h 52m
1 stop
$1,066United Airlines
Sat, Jun 6 - Tue, Jun 9
Multiple Airlines Logo
6:02 pm - 7:30 am
LAS
-
SYD
20h 28m
1 stop
Multiple Airlines Logo
1:15 pm - 4:39 pm
SYD
-
LAS
20h 24m
2 stops
$1,094Multiple Airlines
Tue, Sep 1 - Thu, Sep 10
Multiple Airlines Logo
6:02 pm - 7:30 am
LAS
-
SYD
20h 28m
1 stop
Multiple Airlines Logo
1:15 pm - 9:35 pm
SYD
-
LAS
25h 20m
2 stops
$1,105Multiple Airlines
Wed, Aug 12 - Wed, Aug 19
Delta Logo
9:50 am - 6:50 am
LAS
-
SYD
28h 00m
1 stop
Delta Logo
9:15 am - 5:06 pm
SYD
-
LAS
24h 51m
1 stop
$1,110Delta
Sat, May 23 - Sat, May 30

Air Canada flights from Las Vegas to Sydney

Our best Air Canada deals on Las Vegas to Sydney flight tickets
Air Canada
May 11
LAS6:45 amLas Vegas Harry Reid Intl
31h 35m
1 stop
SYD7:20 amSydney Kingsford Smith
May 24
SYD9:20 amSydney Kingsford Smith
31h 48m
1 stop
LAS12:08 amLas Vegas Harry Reid Intl
$1,125
Air Canada
Jun 2
LAS6:45 amLas Vegas Harry Reid Intl
31h 35m
1 stop
SYD7:20 amSydney Kingsford Smith
Jun 9
SYD7:30 amSydney Kingsford Smith
33h 33m
2 stops
LAS12:03 amLas Vegas Harry Reid Intl
$1,151
Air Canada
Jun 8
LAS6:45 amLas Vegas Harry Reid Intl
31h 35m
1 stop
SYD7:20 amSydney Kingsford Smith
Jul 7
SYD7:30 amSydney Kingsford Smith
34h 06m
2 stops
LAS12:36 amLas Vegas Harry Reid Intl
$1,152

Alaska Airlines flights from Las Vegas to Sydney

Our best Alaska Airlines deals on Las Vegas to Sydney flight tickets
Alaska Airlines
May 11
LAS7:00 amLas Vegas Harry Reid Intl
18h 50m
1 stop
SYD6:50 pmSydney Kingsford Smith
May 24
SYD8:45 pmSydney Kingsford Smith
18h 31m
1 stop
LAS10:16 pmLas Vegas Harry Reid Intl
$1,089
Alaska Airlines
Aug 4
LAS1:55 amLas Vegas Harry Reid Intl
23h 55m
1 stop
SYD6:50 pmSydney Kingsford Smith
Aug 9
SYD8:45 pmSydney Kingsford Smith
18h 25m
1 stop
LAS10:10 pmLas Vegas Harry Reid Intl
$1,141
Alaska Airlines
Jun 7
LAS1:55 amLas Vegas Harry Reid Intl
23h 55m
1 stop
SYD6:50 pmSydney Kingsford Smith
Jun 14
SYD8:45 pmSydney Kingsford Smith
18h 25m
1 stop
LAS10:10 pmLas Vegas Harry Reid Intl
$1,142

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 May 10, 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
Quickest round-trip

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 7/1

8:31 pm-7:00 am

1 stop17h 29m

Sydney Kingsford Smith

Wed 7/22

10:20 am-1:50 pm

1 stop20h 30m

$1,011

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 7/1

2:52 pm-6:55 am

1 stop23h 03m

Sydney Kingsford Smith

Wed 7/22

10:20 am-6:50 pm

2 stops25h 30m

$1,016

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 8/11

6:02 pm-11:50 am

2 stops24h 48m

Sydney Kingsford Smith

Tue 8/18

1:15 pm-9:35 pm

2 stops25h 20m

$1,019

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 10/15

5:59 pm-7:50 am

1 stop19h 51m

Sydney Kingsford Smith

Sun 10/25

10:15 am-4:54 pm

1 stop24h 39m

$1,060

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 6/6

9:27 am-7:00 am

1 stop28h 33m

Sydney Kingsford Smith

Tue 6/9

10:20 am-12:28 pm

1 stop19h 08m

$1,061

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 10/15

5:59 pm-7:50 am

1 stop19h 51m

Sydney Kingsford Smith

Sun 11/1

10:40 am-7:03 pm

2 stops26h 23m

$1,065

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 6/6

9:37 am-7:00 am

2 stops28h 23m

Sydney Kingsford Smith

Tue 6/9

9:30 am-2:22 pm

1 stop21h 52m

$1,066

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 9/1

6:02 pm-7:30 am

1 stop20h 28m

Sydney Kingsford Smith

Thu 9/10

1:15 pm-4:39 pm

2 stops20h 24m

$1,094

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 8/12

6:02 pm-7:30 am

1 stop20h 28m

Sydney Kingsford Smith

Wed 8/19

1:15 pm-9:35 pm

2 stops25h 20m

$1,105

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 5/23

9:50 am-6:50 am

1 stop28h 00m

Sydney Kingsford Smith

Sat 5/30

9:15 am-5:06 pm

1 stop24h 51m

$1,110

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Las Vegas and Sydney?

What is the cheapest month to fly to Sydney?

In general, April 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 $997. If you are unable to visit Sydney during the month of April, then departing from Las Vegas during the month September is also very affordable. Most momondo users find prices during this month for around $1,031.

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

The cheapest day to depart from Las Vegas to Sydney is on a Tuesday when prices can be found for as low as $1,086. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $1,883.

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 from Las Vegas 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 $1,148 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 $963 on momondo.

Can stopping save me money on Las Vegas to Sydney flights?

No. A direct flight is the cheapest option for a flight between Las Vegas to Sydney.

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

As of May 2026, prices for Las Vegas to Sydney flights are approximately 10% more expensive 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

$1,408

Fastest flight time

17h 29m

Direct flights

None
The best flight deal from Las Vegas to Sydney found on momondo in the last 72 hours is $1,408
The fastest flight from Las Vegas to Sydney takes 17h 29m
There are no direct flights from Las Vegas to Sydney. There are no popular flight routes from Las Vegas to Sydney.
Search flight deals

Frequently asked questions about flying from Las Vegas to Sydney

  • 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 17h 29m.

  • 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
Air CanadaPriceFrom $801Free CancellationRating
7.1
11,017 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $870Free CancellationRating
7.5
1,034 reviews
Search Qantas Airways flights
DeltaPriceFrom $922Free CancellationRating
7.9
8,452 reviews
Search Delta flights
United AirlinesPriceFrom $924Free CancellationRating
7.4
9,698 reviews
Search United Airlines flights
American AirlinesPriceFrom $926Free CancellationRating
7.1
11,669 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $999Free CancellationRating
7.9
12,352 reviews
Search Alaska Airlines flights
Alaska AirlinesPriceFrom $1,149Free CancellationRating
0.0
Search Alaska Airlines 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
Leura
Randwick
Lithgow
Manly
Coogee
Cronulla
Terrigal
Charlestown
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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