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Cheap flights from Las Vegas to Sydney from $499

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 10/31. 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

Multiple Airlines Logo
3:29 pm - 6:10 amLAS-SYD
44h 41m2 stops
Multiple Airlines Logo
11:20 am - 9:44 pmSYD-LAS
29h 24m1 stop
$958Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
7:45 am - 9:50 amLAS-SYD
56h 05m2 stops
Multiple Airlines Logo
11:20 am - 9:44 pmSYD-LAS
29h 24m1 stop
$963Multiple Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
Air Canada Logo
7:25 am - 8:20 amLAS-SYD
30h 55m1 stop
Air Canada Logo
10:20 am - 3:59 pmSYD-LAS
23h 39m1 stop
$986Air Canada
Find Deal
Tue, Oct 21 - Tue, Oct 28
Air Canada Logo
6:15 am - 8:35 amLAS-SYD
32h 20m1 stop
Air Canada Logo
11:20 am - 9:44 pmSYD-LAS
29h 24m1 stop
$1,004Air Canada
Find Deal
Tue, Oct 28 - Fri, Nov 14
Air Canada Logo
4:45 pm - 8:40 pmLAS-SYD
33h 55m2 stops
Air Canada Logo
8:30 am - 9:44 pmSYD-LAS
32h 14m2 stops
$1,006Air Canada
Find Deal
Wed, Oct 29 - Wed, Nov 5
United Airlines Logo
6:27 pm - 6:55 amLAS-SYD
19h 28m1 stop
United Airlines Logo
11:20 am - 12:24 pmSYD-LAS
19h 04m1 stop
$1,056United Airlines
Find Deal
Mon, Sep 29 - Sun, Oct 12
Qantas Airways Logo
5:00 pm - 9:00 amLAS-SYD
22h 00m1 stop
Qantas Airways Logo
11:20 am - 10:44 amSYD-LAS
18h 24m1 stop
$1,093Qantas Airways
Find Deal
Wed, Oct 29 - Wed, Nov 5
Qantas Airways Logo
2:34 pm - 12:15 pmLAS-SYD
26h 41m2 stops
Qantas Airways Logo
9:25 pm - 1:35 pmSYD-LAS
35h 10m1 stop
$1,110Qantas Airways
Find Deal
Fri, Feb 6 - Fri, Feb 20
Delta Logo
7:59 pm - 6:35 amLAS-SYD
17h 36m1 stop
Delta Logo
9:25 am - 12:29 pmSYD-LAS
20h 04m1 stop
$1,128Delta
Find Deal
Mon, Sep 29 - Thu, Oct 2
Delta Logo
7:59 pm - 6:35 amLAS-SYD
17h 36m1 stop
Delta Logo
9:25 am - 4:09 pmSYD-LAS
23h 44m2 stops
$1,132Delta
Find Deal
Mon, Sep 29 - Thu, Oct 2

Air Canada flights from Las Vegas to Sydney

Our best Air Canada deals on Las Vegas to Sydney flight tickets
Air Canada
Oct 21
LAS7:25 amLas Vegas Harry Reid Intl
30h 55m
1 stop
SYD8:20 amSydney Kingsford Smith
Oct 28
SYD10:20 amSydney Kingsford Smith
23h 39m
1 stop
LAS3:59 pmLas Vegas Harry Reid Intl
$986
Find similar
Air Canada
Oct 28
LAS6:15 amLas Vegas Harry Reid Intl
32h 20m
1 stop
SYD8:35 amSydney Kingsford Smith
Nov 14
SYD11:20 amSydney Kingsford Smith
29h 24m
1 stop
LAS9:44 pmLas Vegas Harry Reid Intl
$1,004
Find similar
Air Canada
Oct 29
LAS4:45 pmLas Vegas Harry Reid Intl
33h 55m
2 stops
SYD8:40 pmSydney Kingsford Smith
Nov 5
SYD8:30 amSydney Kingsford Smith
32h 14m
2 stops
LAS9:44 pmLas Vegas Harry Reid Intl
$1,006
Find similar

Alaska Airlines flights from Las Vegas to Sydney

Our best Alaska Airlines deals on Las Vegas to Sydney flight tickets
Alaska Airlines
Oct 21
LAS7:35 pmLas Vegas Harry Reid Intl
30h 10m
2 stops
SYD7:45 pmSydney Kingsford Smith
Oct 28
SYD9:40 pmSydney Kingsford Smith
33h 46m
2 stops
LAS1:26 pmLas Vegas Harry Reid Intl
$1,036
Find similar
Alaska Airlines
Sep 30
LAS1:45 amLas Vegas Harry Reid Intl
25h 00m
1 stop
SYD7:45 pmSydney Kingsford Smith
Oct 12
SYD9:40 pmSydney Kingsford Smith
18h 44m
1 stop
LAS10:24 pmLas Vegas Harry Reid Intl
$1,161
Find similar
Alaska Airlines
Sep 30
LAS1:45 amLas Vegas Harry Reid Intl
25h 00m
1 stop
SYD7:45 pmSydney Kingsford Smith
Oct 12
SYD9:40 pmSydney Kingsford Smith
18h 44m
1 stop
LAS10:24 pmLas Vegas Harry Reid Intl
$1,236
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 September 16, 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

Thu 10/30

3:29 pm-6:10 am

2 stops44h 41m

Sydney Kingsford Smith

Thu 11/6

11:20 am-9:44 pm

1 stop29h 24m

$958

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 10/29

7:45 am-9:50 am

2 stops56h 05m

Sydney Kingsford Smith

Wed 11/5

11:20 am-9:44 pm

1 stop29h 24m

$963

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 10/21

7:25 am-8:20 am

1 stop30h 55m

Sydney Kingsford Smith

Tue 10/28

10:20 am-3:59 pm

1 stop23h 39m

$986

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 10/28

6:15 am-8:35 am

1 stop32h 20m

Sydney Kingsford Smith

Fri 11/14

11:20 am-9:44 pm

1 stop29h 24m

$1,004

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 10/29

4:45 pm-8:40 pm

2 stops33h 55m

Sydney Kingsford Smith

Wed 11/5

8:30 am-9:44 pm

2 stops32h 14m

$1,006

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 9/29

6:27 pm-6:55 am

1 stop19h 28m

Sydney Kingsford Smith

Sun 10/12

11:20 am-12:24 pm

1 stop19h 04m

$1,056

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 10/29

5:00 pm-9:00 am

1 stop22h 00m

Sydney Kingsford Smith

Wed 11/5

11:20 am-10:44 am

1 stop18h 24m

$1,093

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Fri 2/6

2:34 pm-12:15 pm

2 stops26h 41m

Sydney Kingsford Smith

Fri 2/20

9:25 pm-1:35 pm

1 stop35h 10m

$1,110

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 9/29

7:59 pm-6:35 am

1 stop17h 36m

Sydney Kingsford Smith

Thu 10/2

9:25 am-12:29 pm

1 stop20h 04m

$1,128

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 9/29

7:59 pm-6:35 am

1 stop17h 36m

Sydney Kingsford Smith

Thu 10/2

9:25 am-4:09 pm

2 stops23h 44m

$1,132

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, August 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 $1,012. If you are unable to visit Sydney during the month of August, then departing from Las Vegas during the month April is also very affordable. Most momondo users find prices during this month for around $1,055.

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 $1,198 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 $975 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 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

Direct flights

None
There are no direct flights from Las Vegas to Sydney. There are no popular flight routes from Las Vegas to Sydney.
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  • 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 36m.

  • 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
Hawaiian AirlinesPriceFrom $550Free CancellationRating
7.8
2,724 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $839Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
American AirlinesPriceFrom $905Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $920Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $925Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $940Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Qantas AirwaysPriceFrom $990Free CancellationRating
7.5
907 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
Cronulla
Coogee
Lithgow
Penrith
Manly
Leura
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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