$644 Cheap Flights from Adelaide (ADL) to Las Vegas (LAS)

View $644 flight on Mon, Oct 27, 2025Opens in a new window

Popular airlines from Adelaide, SA Airport (ADL) to Harry Reid Intl. Airport (LAS)

Cheap Flights from Adelaide to Las Vegas (ADL-LAS)

Prices were available within the past 7 days and start at $644 for one-way flights and $1,275 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Jan 28 - Thu, Jun 18
ADL
Adelaide
LAS
Las Vegas
$1,275 Roundtrip, found 6 days ago
$1,275
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Jan 28 from Adelaide to Las Vegas, returning Thu, Jun 18, priced at $1,275 found 6 days ago
Air Canada
Wed, Jan 28 - Thu, Jun 18
ADL
Adelaide
LAS
Las Vegas
$1,279 Roundtrip, found 6 days ago
$1,279
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Jan 28 from Adelaide to Las Vegas, returning Thu, Jun 18, priced at $1,279 found 6 days ago
Air Canada
Fri, Nov 28 - Fri, Dec 5
ADL
Adelaide
LAS
Las Vegas
$1,314 Roundtrip, found 2 days ago
$1,314
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Nov 28 from Adelaide to Las Vegas, returning Fri, Dec 5, priced at $1,314 found 2 days ago
Air Canada
Wed, Jan 28 - Thu, Jun 18
ADL
Adelaide
LAS
Las Vegas
$1,331 Roundtrip, found 6 days ago
$1,331
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Jan 28 from Adelaide to Las Vegas, returning Thu, Jun 18, priced at $1,331 found 6 days ago
Air Canada
Wed, Jan 28 - Thu, Jun 18
ADL
Adelaide
LAS
Las Vegas
$1,335 Roundtrip, found 6 days ago
$1,335
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Jan 28 from Adelaide to Las Vegas, returning Thu, Jun 18, priced at $1,335 found 6 days ago
Air Canada
Fri, Nov 28 - Fri, Dec 5
ADL
Adelaide
LAS
Las Vegas
$1,356 Roundtrip, found 2 days ago
$1,356
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Nov 28 from Adelaide to Las Vegas, returning Fri, Dec 5, priced at $1,356 found 2 days ago
Qantas Airways
Wed, Jan 28 - Thu, Jun 18
ADL
Adelaide
LAS
Las Vegas
$1,453 Roundtrip, found 6 days ago
$1,453
Roundtrip
found 6 days ago
Select Qantas Airways flight, departing Wed, Jan 28 from Adelaide to Las Vegas, returning Thu, Jun 18, priced at $1,453 found 6 days ago
Virgin Australia
Fri, Nov 28 - Fri, Dec 5
ADL
Adelaide
LAS
Las Vegas
$1,484 Roundtrip, found 2 days ago
$1,484
Roundtrip
found 2 days ago
Select Virgin Australia flight, departing Fri, Nov 28 from Adelaide to Las Vegas, returning Fri, Dec 5, priced at $1,484 found 2 days ago
Air New Zealand
Fri, Nov 28 - Fri, Dec 5
ADL
Adelaide
LAS
Las Vegas
$2,048 Roundtrip, found 2 days ago
$2,048
Roundtrip
found 2 days ago
Select Air New Zealand flight, departing Fri, Nov 28 from Adelaide to Las Vegas, returning Fri, Dec 5, priced at $2,048 found 2 days ago
Cathay Pacific
Fri, Nov 28 - Fri, Dec 5
ADL
Adelaide
LAS
Las Vegas
$2,817 Roundtrip, found 2 days ago
$2,817
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Fri, Nov 28 from Adelaide to Las Vegas, returning Fri, Dec 5, priced at $2,817 found 2 days ago

Frequently asked questions

How much does a flight from Adelaide Airport (ADL) to Harry Reid Intl. Airport (LAS) cost?
Secure a cheap one-way flight from $644 or cheap return flight from $1,275 from Adelaide Airport (ADL) to Harry Reid Intl. Airport (LAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Adelaide Airport (ADL) to Harry Reid Intl. Airport (LAS)?
The cheapest month to fly from ADL to LAS is January, when demand is low. Off-peak season is typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Adelaide Airport (ADL) to Harry Reid Intl. Airport (LAS)?
To find the cheapest airline that'll fly you from ADL to LAS, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Adelaide Airport (ADL) to Harry Reid Intl. Airport (LAS)?
Direct flights from Adelaide Airport (ADL) to Harry Reid Intl. Airport (LAS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ADL to LAS?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Adelaide Airport (ADL) to Harry Reid Intl. Airport (LAS)?
To touch down at Harry Reid Intl. Airport (LAS) without delays, pick a flight that takes off from Adelaide Airport (ADL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Adelaide Airport (ADL) to Harry Reid Intl. Airport (LAS) last-minute?
Holding off until just before your trip to book a ticket from ADL to LAS often results in higher prices. While you might find some last-minute discounts, there's no guarantee. Keep your travel schedule open to maximize your chances of getting a bargain.
Is it cheaper to book an ADL to LAS flight and hotel package?
Securing an ADL to LAS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Adelaide Airport (ADL) to Harry Reid Intl. Airport (LAS)?
Typically, you're able to reschedule or cancel your ADL to LAS flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want more information, head to our Customer Service portal.

Travel information

Origin airport
Adelaide
Destination airport
Harry Reid Intl.
Roundtrip price
$1,274
Distance
8398 mi

Book with confidence

Adelaide to Las Vegas Flights

The cheapest times to fly from Adelaide to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Adelaide to Las Vegas are during the month of January. You can find some of the cheapest flights from Adelaide to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Adelaide to Las Vegas

Sunday is one of the best days to book for cheap flights from Adelaide to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Adelaide to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Adelaide to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $644 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Adelaide to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Adelaide to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Adelaide to Las Vegas Flights

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*Available to One Key members.