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Cheap flights from Las Vegas to Sydney from $646

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 30/12. 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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Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
16:45 - 09:35LAS-SYD
21h 50m1 stop
Air Canada Logo
11:20 - 15:59SYD-LAS
23h 39m1 stop
$1,196Air Canada
Find Deal
Tue, 3 Feb - Tue, 17 Feb
Multiple Airlines Logo
06:15 - 12:40LAS-SYD
36h 25m2 stops
Multiple Airlines Logo
06:00 - 15:58SYD-LAS
26h 58m2 stops
$1,216Multiple Airlines
Find Deal
Mon, 23 Mar - Mon, 13 Apr
Multiple Airlines Logo
06:15 - 08:35LAS-SYD
32h 20m1 stop
Multiple Airlines Logo
06:00 - 15:58SYD-LAS
26h 58m2 stops
$1,218Multiple Airlines
Find Deal
Wed, 25 Mar - Mon, 13 Apr
Air Canada Logo
16:45 - 09:35LAS-SYD
21h 50m1 stop
Air Canada Logo
09:00 - 15:59SYD-LAS
25h 59m2 stops
$1,219Air Canada
Find Deal
Tue, 3 Feb - Tue, 17 Feb
Qantas Airways Logo
17:15 - 09:00LAS-SYD
20h 45m1 stop
Qantas Airways Logo
11:20 - 16:12SYD-LAS
23h 52m1 stop
$1,419Qantas Airways
Find Deal
Sun, 30 Nov - Sun, 7 Dec
Qantas Airways Logo
07:05 - 06:10LAS-SYD
28h 05m1 stop
Qantas Airways Logo
08:30 - 10:55SYD-LAS
21h 25m2 stops
$1,427Qantas Airways
Find Deal
Tue, 27 Jan - Sat, 7 Feb
American Airlines Logo
17:02 - 09:00LAS-SYD
20h 58m1 stop
American Airlines Logo
17:45 - 16:12SYD-LAS
17h 27m1 stop
$1,430American Airlines
Find Deal
Mon, 8 Dec - Mon, 15 Dec
American Airlines Logo
18:59 - 09:00LAS-SYD
19h 01m1 stop
American Airlines Logo
11:20 - 12:42SYD-LAS
20h 22m2 stops
$1,453American Airlines
Find Deal
Sun, 30 Nov - Sun, 7 Dec
United Airlines Logo
13:35 - 09:05LAS-SYD
25h 30m1 stop
United Airlines Logo
09:30 - 09:22SYD-LAS
16h 52m1 stop
$1,471United Airlines
Find Deal
Mon, 23 Mar - Mon, 13 Apr
United Airlines Logo
10:20 - 07:00LAS-SYD
25h 40m1 stop
United Airlines Logo
12:10 - 12:23SYD-LAS
18h 13m1 stop
$1,473United Airlines
Find Deal
Wed, 11 Feb - Mon, 9 Mar

Air Canada flights from Las Vegas to Sydney

Our best Air Canada deals on Las Vegas to Sydney flight tickets
Air Canada
3 Feb
LAS16:45Las Vegas Harry Reid Intl
21h 50m
1 stop
SYD09:35Sydney Kingsford Smith
17 Feb
SYD11:20Sydney Kingsford Smith
23h 39m
1 stop
LAS15:59Las Vegas Harry Reid Intl
$1,196
Find similar
Air Canada
3 Feb
LAS16:45Las Vegas Harry Reid Intl
21h 50m
1 stop
SYD09:35Sydney Kingsford Smith
17 Feb
SYD09:00Sydney Kingsford Smith
25h 59m
2 stops
LAS15:59Las Vegas Harry Reid Intl
$1,219
Find similar
Air Canada
3 Feb
LAS06:15Las Vegas Harry Reid Intl
37h 25m
2 stops
SYD14:40Sydney Kingsford Smith
24 Feb
SYD11:20Sydney Kingsford Smith
23h 39m
1 stop
LAS15:59Las Vegas Harry Reid Intl
$1,224
Find similar

Qantas Airways flights from Las Vegas to Sydney

Our best Qantas Airways deals on Las Vegas to Sydney flight tickets
Qantas Airways
30 Nov
LAS17:15Las Vegas Harry Reid Intl
20h 45m
1 stop
SYD09:00Sydney Kingsford Smith
7 Dec
SYD11:20Sydney Kingsford Smith
23h 52m
1 stop
LAS16:12Las Vegas Harry Reid Intl
$1,419
Find similar
Qantas Airways
27 Jan
LAS07:05Las Vegas Harry Reid Intl
28h 05m
1 stop
SYD06:10Sydney Kingsford Smith
7 Feb
SYD08:30Sydney Kingsford Smith
21h 25m
2 stops
LAS10:55Las Vegas Harry Reid Intl
$1,427
Find similar
Qantas Airways
8 Nov
LAS18:59Las Vegas Harry Reid Intl
19h 01m
1 stop
SYD09:00Sydney Kingsford Smith
13 Nov
SYD11:20Sydney Kingsford Smith
21h 54m
1 stop
LAS14:14Las Vegas Harry Reid Intl
$1,563
Find similar

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 1 November 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

Tue 3/2

16:45-09:35

1 stop21h 50m

Sydney Kingsford Smith

Tue 17/2

11:20-15:59

1 stop23h 39m

$1,196

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 23/3

06:15-12:40

2 stops36h 25m

Sydney Kingsford Smith

Mon 13/4

06:00-15:58

2 stops26h 58m

$1,216

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 25/3

06:15-08:35

1 stop32h 20m

Sydney Kingsford Smith

Mon 13/4

06:00-15:58

2 stops26h 58m

$1,218

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 3/2

16:45-09:35

1 stop21h 50m

Sydney Kingsford Smith

Tue 17/2

09:00-15:59

2 stops25h 59m

$1,219

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 30/11

17:15-09:00

1 stop20h 45m

Sydney Kingsford Smith

Sun 7/12

11:20-16:12

1 stop23h 52m

$1,419

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Tue 27/1

07:05-06:10

1 stop28h 05m

Sydney Kingsford Smith

Sat 7/2

08:30-10:55

2 stops21h 25m

$1,427

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 8/12

17:02-09:00

1 stop20h 58m

Sydney Kingsford Smith

Mon 15/12

17:45-16:12

1 stop17h 27m

$1,430

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Sun 30/11

18:59-09:00

1 stop19h 01m

Sydney Kingsford Smith

Sun 7/12

11:20-12:42

2 stops20h 22m

$1,453

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Mon 23/3

13:35-09:05

1 stop25h 30m

Sydney Kingsford Smith

Mon 13/4

09:30-09:22

1 stop16h 52m

$1,471

Las VegasSydney

LAS - SYD

LASSYD

Las Vegas Harry Reid Intl

Wed 11/2

10:20-07:00

1 stop25h 40m

Sydney Kingsford Smith

Mon 9/3

12:10-12:23

1 stop18h 13m

$1,473

Flights are sorted by cheapest return 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?

The month of August is, on average, the cheapest month to fly to Sydney from Las Vegas, with most prices found around $1,546. If you aren’t able to travel to Sydney during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,575.

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

Our data shows that Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,763. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,938.

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 evening. momondo users have found flights departing from Las Vegas to Sydney in the evening for as low as $1,849. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,863 on average. Flights to Sydney from Las Vegas in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $1,739 when searching weeks before you fly. 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 $1,483 on momondo.

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

As of November 2025, prices for Las Vegas to Sydney flights are approximately 35% 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 return 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.
Search flight deals

  • How far is Las Vegas Harry Reid Intl to Sydney Kingsford Smith by plane?

    There are 12425.5 km between Las Vegas Harry Reid Intl and Sydney Kingsford Smith. Typically, this will take 19h 01m by plane in normal conditions.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek 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
United AirlinesPriceFrom $1,405Free cancellationRating
7.4
8,994 reviews
Search United Airlines flights

Travelling to a place near Sydney?

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

Why use momondo?

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

Finding the right flight to Sydney from Las Vegas is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

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

All flight searches from Las Vegas to Sydney on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Sydney from Las Vegas. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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