This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SYD
3 Jan — 10 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to Sydney Kingsford Smith are usually found in November or August, booked 6 days in advance, depart on a Tuesday or Monday and return on a Tuesday
Cheap flight deals from Las Vegas to Sydney
Enter your travel dates to find the best prices.
Cheapest flights from Las Vegas to Sydney
Explore the most affordable flight options available from Las Vegas to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 December 2025.
Thu 4/1216:45LAS - SYD
1 stop21h 50mAir Canada
Thu 11/1216:00SYD - LAS
1 stop18h 59mAir Canada
Deal found 3/12$1,357
Wed 3/1218:17LAS - SYD
1 stop18h 08mQantas Airways
Wed 10/1211:20SYD - LAS
1 stop21h 42mQantas Airways
Deal found 2/12$1,383
Sat 6/1219:50LAS - SYD
1 stop39h 30mUnited Airlines
Mon 19/114:00SYD - LAS
1 stop19h 45mUnited Airlines
Deal found 2/12$1,389
Tue 2/1218:00LAS - SYD
1 stop20h 00mQantas Airways
Tue 9/1211:20SYD - LAS
1 stop18h 31mQantas Airways
Deal found 1/12$1,390
Sat 6/1219:00LAS - SYD
1 stop19h 00mQantas Airways
Mon 8/1211:20SYD - LAS
1 stop18h 36mQantas Airways
Deal found 2/12$1,392
Sat 6/1213:34LAS - SYD
2 stops24h 26mAmerican Airlines
Mon 19/111:20SYD - LAS
2 stops23h 00mAmerican Airlines
Deal found 3/12$1,396
Wed 3/1215:42LAS - SYD
2 stops22h 23mUnited Airlines
Wed 10/1212:10SYD - LAS
2 stops21h 22mUnited Airlines
Deal found 2/12$1,409
Thu 4/1215:59LAS - SYD
2 stops22h 01mAmerican Airlines
Thu 11/1211:20SYD - LAS
1 stop28h 13mAmerican Airlines
Deal found 3/12$1,422
Wed 3/1219:01LAS - SYD
1 stop18h 59mAmerican Airlines
Fri 12/1211:20SYD - LAS
2 stops20h 22mAmerican Airlines
Deal found 2/12$1,489
Thu 4/1215:42LAS - SYD
2 stops22h 23mUnited Airlines
Thu 11/1211:20SYD - LAS
2 stops23h 33mUnited Airlines
Deal found 3/12$1,560
Best flights from Las Vegas to Sydney
Discover carefully curated flight deals from Las Vegas to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 December 2025.
Mon 23/315:55LAS - SYD
1 stop23h 20mUnited Airlines
Mon 13/409:30SYD - LAS
1 stop17h 14mUnited Airlines
Deal found 1/12$1,401
Thu 5/207:07LAS - SYD
3 stops34h 28mMultiple Airlines
Thu 19/206:20SYD - LAS
3 stops29h 58mMultiple Airlines
Deal found 1/12$1,580
Fri 16/120:13LAS - SYD
2 stops28h 32mAlaska Airlines
Fri 23/121:40SYD - LAS
1 stop27h 45mAlaska Airlines
Deal found 1/12$1,765
Thu 12/218:41LAS - SYD
1 stop19h 19mAmerican Airlines
Mon 16/217:30SYD - LAS
2 stops22h 29mAmerican Airlines
Deal found 1/12$1,815
Thu 12/210:14LAS - SYD
2 stops25h 36mDelta
Mon 16/214:15SYD - LAS
2 stops22h 25mDelta
Deal found 1/12$1,967
Thu 12/215:43LAS - SYD
2 stops22h 22mUnited Airlines
Mon 16/212:10SYD - LAS
2 stops24h 05mUnited Airlines
Deal found 2/12$1,484
Sat 3/117:39LAS - SYD
1 stop31h 06mAlaska Airlines
Sat 24/121:40SYD - LAS
1 stop27h 45mAlaska Airlines
Deal found 2/12$1,973
Thu 25/1210:05LAS - SYD
1 stop25h 55mUnited Airlines
Thu 1/111:50SYD - LAS
1 stop25h 14mUnited Airlines
Deal found 2/12$1,838
Last-minute flights from Las Vegas to Sydney
Discover last-minute flight deals from Las Vegas to Sydney. Data last updated 4 December 2025 and is based on user searches.
Wed 3/1218:17LAS - SYD
1 stop18h 08mQantas Airways
Wed 10/1211:20SYD - LAS
1 stop21h 42mQantas Airways
Deal found 2/12$1,383
Wed 3/1215:42LAS - SYD
2 stops22h 23mUnited Airlines
Wed 10/1212:10SYD - LAS
1 stop21h 26mUnited Airlines
Deal found 2/12$1,409
Wed 3/1219:01LAS - SYD
1 stop18h 59mAmerican Airlines
Fri 12/1211:20SYD - LAS
2 stops20h 22mAmerican Airlines
Deal found 2/12$1,489
Thu 4/1216:45LAS - SYD
1 stop21h 50mAir Canada
Thu 11/1216:00SYD - LAS
1 stop18h 59mAir Canada
Deal found 3/12$1,357
Thu 4/1215:59LAS - SYD
2 stops22h 01mAmerican Airlines
Thu 11/1211:20SYD - LAS
1 stop28h 13mAmerican Airlines
Deal found 3/12$1,422
Sat 6/1219:50LAS - SYD
1 stop39h 30mUnited Airlines
Mon 19/114:00SYD - LAS
1 stop19h 45mUnited Airlines
Deal found 2/12$1,389
Sat 6/1219:00LAS - SYD
1 stop19h 00mQantas Airways
Mon 8/1211:20SYD - LAS
1 stop18h 36mQantas Airways
Deal found 2/12$1,392
Sat 6/1213:34LAS - SYD
2 stops24h 26mAmerican Airlines
Mon 19/111:20SYD - LAS
2 stops23h 00mAmerican Airlines
Deal found 3/12$1,396
Mon 19/112:00LAS - SYD
1 stop24h 25mAmerican Airlines
Tue 17/211:20SYD - LAS
2 stops22h 39mAmerican Airlines
Deal found 2/12$1,415
One-way flights from Las Vegas to Sydney
Search for one-way flight options from Las Vegas to Sydney. Find affordable one-way fares based on user searches. Data last updated 4 December 2025.
Sat 31/112:00LAS - SYD
1 stop24h 25mQantas Airways
Deal found 2/12$624
Fri 30/112:00LAS - SYD
1 stop24h 25mQantas Airways
Deal found 2/12$638
Sat 24/112:47LAS - SYD
2 stops23h 38mAmerican Airlines
Deal found 3/12$641
Wed 31/1216:00LAS - SYD
1 stop22h 15mUnited Airlines
Deal found 3/12$642
Sat 18/417:05LAS - SYD
2 stops21h 25mAmerican Airlines
Deal found 3/12$645
Sat 24/117:55LAS - SYD
1 stop18h 30mMultiple Airlines
Deal found 3/12$647
Sat 17/117:55LAS - SYD
2 stops20h 55mAmerican Airlines
Deal found 3/12$666
Sat 31/117:55LAS - SYD
2 stops20h 25mAmerican Airlines
Deal found 3/12$675
Fri 30/109:56LAS - SYD
2 stops28h 19mUnited Airlines
Deal found 2/12$682
Mon 29/1200:59LAS - SYD
2 stops34h 21mUnited Airlines
Deal found 3/12$704
Sun 28/1216:56LAS - SYD
1 stop21h 04mAmerican Airlines
Deal found 1/12$709
Find flight deals from Las Vegas to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 4 December 2025.
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, Cheapflights users made 647,157 searches. Data last updated 4 December 2025.
Use the filters below to find and compare flights from Las Vegas to Sydney that are best for you.
Fly from
Las Vegas
Fly to
Sydney
Route
Depart
Return
Price
Las VegasSydney
LAS - SYD
LASSYD
Las Vegas Harry Reid Intl
Mon 23/3
15:55-09:15
1 stop23h 20m
Sydney Kingsford Smith
Mon 13/4
09:30-09:44
1 stop17h 14m
$1,401
Las VegasSydney
LAS - SYD
LASSYD
Las Vegas Harry Reid Intl
Thu 12/2
15:43-09:05
2 stops22h 22m
Sydney Kingsford Smith
Mon 16/2
12:10-17:15
2 stops24h 05m
$1,484
Las VegasSydney
LAS - SYD
LASSYD
Las Vegas Harry Reid Intl
Thu 5/2
07:07-12:35
3 stops34h 28m
Sydney Kingsford Smith
Thu 19/2
06:20-17:18
3 stops29h 58m
$1,580
Las VegasSydney
LAS - SYD
LASSYD
Las Vegas Harry Reid Intl
Fri 16/1
20:13-19:45
2 stops28h 32m
Sydney Kingsford Smith
Fri 23/1
21:40-06:25
1 stop27h 45m
$1,765
Las VegasSydney
LAS - SYD
LASSYD
Las Vegas Harry Reid Intl
Thu 12/2
18:41-09:00
1 stop19h 19m
Sydney Kingsford Smith
Mon 16/2
17:30-20:59
2 stops22h 29m
$1,815
Las VegasSydney
LAS - SYD
LASSYD
Las Vegas Harry Reid Intl
Thu 25/12
10:05-07:00
1 stop25h 55m
Sydney Kingsford Smith
Thu 1/1
11:50-18:04
1 stop25h 14m
$1,838
Las VegasSydney
LAS - SYD
LASSYD
Las Vegas Harry Reid Intl
Thu 12/2
10:14-06:50
2 stops25h 36m
Sydney Kingsford Smith
Mon 16/2
14:15-17:40
2 stops22h 25m
$1,967
Las VegasSydney
LAS - SYD
LASSYD
Las Vegas Harry Reid Intl
Sat 3/1
17:39-19:45
1 stop31h 06m
Sydney Kingsford Smith
Sat 24/1
21:40-06:25
1 stop27h 45m
$1,973
Las VegasSydney
LAS - SYD
LASSYD
Las Vegas Harry Reid Intl
Sat 31/1
12:00-07:25
1 stop24h 25m
$624
Las VegasSydney
LAS - SYD
LASSYD
Las Vegas Harry Reid Intl
Wed 31/12
13:43-09:05
2 stops24h 22m
$642
Flights are sorted by cheapest return flights first.
Deals found on 2/12
Showing 1-10 of 16 results
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Best time to book a flight from Las Vegas to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Las Vegas with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Las Vegas to Sydney
Prices
More
How far ahead should I book a flight from Las Vegas to Sydney?
Use this chart to determine the optimal time to book a return flight from Las Vegas to Sydney. Price data was last updated on 28 November 2025.
The best time to book flights from Las Vegas to Sydney is 6 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Las Vegas to Sydney?
Currently, June is the cheapest month in which you can book a flight from Las Vegas to Sydney (average of $1,081). Flying from Las Vegas to Sydney in July is currently the most expensive (average of $1,597). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost for a return flight from Las Vegas to Sydney?
What’s the top stopover airport for flights from Las Vegas to Sydney?
Share of one-stop return flights from Las Vegas to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Los Angeles (LAX) – chosen by Cheapflights users on 36% of one-stop itineraries from Las Vegas to Sydney on Cheapflights.
What’s the cheapest stopover airport for flights from Las Vegas to Sydney?
Average return fare for one-stop flights from Las Vegas to Sydney, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
San Francisco (SFO) is the most affordable one-stop option, with an average return flight price of $1,497.
What’s the fastest stopover option from Las Vegas to Sydney?
Shortest average travel time for one-stop one-way flights from Las Vegas to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Los Angeles (LAX) have the shortest average one-way travel time for one-stop routes: 18h 08m.
Which airport typically offers the quickest stopover for flights from Las Vegas to Sydney?
Average stopover duration for one-stop one-way flights from Las Vegas to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 1h 49m.
Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 4 December 2025.
Read reviews from past customers who have flown with United Airlines
from Las Vegas to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Related info for your journey
Find useful and relevant information for your journey from Las Vegas to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from Las Vegas to Sydney?
United Airlines can get you from Las Vegas to Sydney in just under 23h 20m. Your travel time can differ by up to . There are 12426 km between Las Vegas and Sydney.
What is the cheapest airline to fly from Las Vegas to Sydney round-trip?
Flying on United Airlines is currently your cheapest option to Sydney, with prices starting at $1,396. United Airlines is currently priced 17% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Las Vegas to Sydney one-way?
For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $640. Users have also found prices from $751 and $776 on Qantas Airways and Hawaiian Airlines, respectively.
Can I find deals for flights from Las Vegas to Sydney that include hotel bookings?
Yes. In addition to deals on Las Vegas to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Las Vegas to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Sydney.
Can I find deals for business class flights from Las Vegas to Sydney?
Yes. Cheapflights offers flight deals from Las Vegas to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Las Vegas to Sydney?
Currently, June is the cheapest month in which you can book a flight from Las Vegas to Sydney (average of $1,081). Flying from Las Vegas to Sydney in July is currently the most expensive (average of $1,597). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 4 December 2025.
Discover the top airline that operate flights from Las Vegas to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 4 December 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Las Vegas to Sydney?
When you search for this flight from Las Vegas to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Las Vegas to Sydney?
Cheapflights simply makes it quick and affordable to book flights from Las Vegas to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Las Vegas to Sydney with no change fees?
Need flexible booking options for your flight to Sydney from Las Vegas? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Las Vegas to Sydney become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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