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Cheap flights from Las Vegas to Sydney from $337

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 8/19. 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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Find the cheapest flights from Las Vegas to Sydney

Cheap round-trip flights

Air Canada Logo
7:25 am - 7:20 amLAS-SYD
30h 55m1 stop
Air Canada Logo
9:20 am - 10:59 pmSYD-LAS
30h 39m1 stop
$805Air Canada
Find Deal
Sun, Aug 24 - Tue, Sep 9
Air Canada Logo
7:25 am - 7:20 amLAS-SYD
30h 55m1 stop
Air Canada Logo
7:00 am - 3:58 pmSYD-LAS
25h 58m2 stops
$825Air Canada
Find Deal
Sun, Aug 17 - Mon, Sep 8
Logo
1:45 am - 2:40 pmLAS-SYD
19h 55m1 stop
Logo
4:20 pm - 11:26 pmSYD-LAS
24h 06m2 stops
$866
Find Deal
Sat, Sep 6 - Sun, Sep 14
Logo
1:45 am - 2:40 pmLAS-SYD
19h 55m1 stop
Logo
4:20 pm - 9:28 pmSYD-LAS
22h 08m1 stop
$871
Find Deal
Sat, Sep 6 - Sun, Sep 14
Qantas Airways Logo
11:52 am - 7:05 amLAS-SYD
26h 13m1 stop
Qantas Airways Logo
9:10 am - 6:51 pmSYD-LAS
26h 41m1 stop
$958Qantas Airways
Find Deal
Fri, Sep 12 - Fri, Sep 19
Qantas Airways Logo
7:45 pm - 7:05 amLAS-SYD
18h 20m1 stop
Qantas Airways Logo
10:10 am - 2:46 pmSYD-LAS
22h 36m1 stop
$989Qantas Airways
Find Deal
Thu, Sep 25 - Tue, Oct 7
American Airlines Logo
7:45 pm - 7:05 amLAS-SYD
18h 20m1 stop
American Airlines Logo
5:45 pm - 8:41 pmSYD-LAS
19h 56m1 stop
$1,006American Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 9
American Airlines Logo
5:05 pm - 7:05 amLAS-SYD
21h 00m2 stops
American Airlines Logo
6:00 am - 11:01 amSYD-LAS
22h 01m2 stops
$1,008American Airlines
Find Deal
Sun, Sep 7 - Sun, Sep 14
Air New Zealand Logo
2:17 pm - 8:45 amLAS-SYD
25h 28m2 stops
Air New Zealand Logo
11:50 am - 8:24 pmSYD-LAS
25h 34m2 stops
$1,024Air New Zealand
Find Deal
Tue, Sep 2 - Tue, Sep 9
Air New Zealand Logo
6:49 pm - 8:45 amLAS-SYD
20h 56m2 stops
Air New Zealand Logo
11:50 am - 8:24 pmSYD-LAS
25h 34m2 stops
$1,025Air New Zealand
Find Deal
Sun, Sep 7 - Sun, Sep 14

Air Canada flights from Las Vegas to Sydney

Our best Air Canada deals on Las Vegas to Sydney flight tickets
Air Canada
Aug 24
LAS7:25 amLas Vegas Harry Reid Intl
30h 55m
1 stop
SYD7:20 amSydney Kingsford Smith
Sep 9
SYD9:20 amSydney Kingsford Smith
30h 39m
1 stop
LAS10:59 pmLas Vegas Harry Reid Intl
$805
Find similar
Air Canada
Aug 17
LAS7:25 amLas Vegas Harry Reid Intl
30h 55m
1 stop
SYD7:20 amSydney Kingsford Smith
Sep 8
SYD7:00 amSydney Kingsford Smith
25h 58m
2 stops
LAS3:58 pmLas Vegas Harry Reid Intl
$825
Find similar
Air Canada
Sep 7
LAS7:25 amLas Vegas Harry Reid Intl
30h 55m
1 stop
SYD7:20 amSydney Kingsford Smith
Sep 14
SYD9:20 amSydney Kingsford Smith
23h 38m
1 stop
LAS3:58 pmLas Vegas Harry Reid Intl
$852
Find similar

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
Sep 2
LAS2:17 pmLas Vegas Harry Reid Intl
25h 28m
2 stops
SYD8:45 amSydney Kingsford Smith
Sep 9
SYD11:50 amSydney Kingsford Smith
25h 34m
2 stops
LAS8:24 pmLas Vegas Harry Reid Intl
$1,024
Find similar
Air New Zealand
Sep 7
LAS6:49 pmLas Vegas Harry Reid Intl
20h 56m
2 stops
SYD8:45 amSydney Kingsford Smith
Sep 14
SYD11:50 amSydney Kingsford Smith
25h 34m
2 stops
LAS8:24 pmLas Vegas Harry Reid Intl
$1,025
Find similar
Air New Zealand
Aug 3
LAS6:10 amLas Vegas Harry Reid Intl
35h 25m
2 stops
SYD10:35 amSydney Kingsford Smith
Aug 5
SYD6:20 pmSydney Kingsford Smith
42h 57m
2 stops
LAS8:17 pmLas Vegas Harry Reid Intl
$1,942
Find similar

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 July 31, 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 8/24

7:25 am-7:20 am

1 stop30h 55m

Sydney Kingsford Smith

Tue 9/9

9:20 am-10:59 pm

1 stop30h 39m

$805

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 8/17

7:25 am-7:20 am

1 stop30h 55m

Sydney Kingsford Smith

Mon 9/8

7:00 am-3:58 pm

2 stops25h 58m

$825

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 9/6

1:45 am-2:40 pm

1 stop19h 55m

Sydney Kingsford Smith

Sun 9/14

4:20 pm-11:26 pm

2 stops24h 06m

$866

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sat 9/6

1:45 am-2:40 pm

1 stop19h 55m

Sydney Kingsford Smith

Sun 9/14

4:20 pm-9:28 pm

1 stop22h 08m

$871

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Fri 9/12

11:52 am-7:05 am

1 stop26h 13m

Sydney Kingsford Smith

Fri 9/19

9:10 am-6:51 pm

1 stop26h 41m

$958

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Thu 9/25

7:45 pm-7:05 am

1 stop18h 20m

Sydney Kingsford Smith

Tue 10/7

10:10 am-2:46 pm

1 stop22h 36m

$989

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 9/2

7:45 pm-7:05 am

1 stop18h 20m

Sydney Kingsford Smith

Tue 9/9

5:45 pm-8:41 pm

1 stop19h 56m

$1,006

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 9/7

5:05 pm-7:05 am

2 stops21h 00m

Sydney Kingsford Smith

Sun 9/14

6:00 am-11:01 am

2 stops22h 01m

$1,008

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 9/2

2:17 pm-8:45 am

2 stops25h 28m

Sydney Kingsford Smith

Tue 9/9

11:50 am-8:24 pm

2 stops25h 34m

$1,024

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 9/7

6:49 pm-8:45 am

2 stops20h 56m

Sydney Kingsford Smith

Sun 9/14

11:50 am-8:24 pm

2 stops25h 34m

$1,025

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, March 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 $1,075. If you are unable to visit Sydney during the month of March, then departing from Las Vegas during the month August is also very affordable. Most momondo users find prices during this month for around $1,088.

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 Wednesday when prices can be found for as low as $1,157. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $1,264.

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 afternoon. momondo users have found flights departing from Las Vegas to Sydney in the afternoon for as low as $1,138. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the morning, with an average ticket price of $1,246. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,239 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 $1,034 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 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

$337

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 $337. The best round-trip flight deal from Las Vegas to Sydney found on momondo in the last 72 hours is $805.
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)
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 18h 20m.

  • 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
Air CanadaPriceFrom $843Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
American AirlinesPriceFrom $905Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $920Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $925Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $940Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $955Free CancellationRating
7.8
2,611 reviews
Search Hawaiian Airlines flights
Qantas AirwaysPriceFrom $997Free CancellationRating
7.5
887 reviews
Search Qantas Airways 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
Randwick
Coogee
Cronulla
Penrith
Manly
Charlestown
Lithgow
Swansea
Leura
Terrigal

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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