$35 Cheap Flights from Phoenix (PHX) to Las Vegas (LAS)

View $35 flight on Thu, May 8, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Phoenix to Las Vegas (PHX-LAS)

Prices were available within the past 7 days and start at $35 for one-way flights and $70 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sun, May 11 - Thu, May 15
PHX
Phoenix
LAS
Las Vegas
$70 Roundtrip, just found
$70
Roundtrip
just found
Select Spirit Airlines flight, departing Sun, May 11 from Phoenix to Las Vegas, returning Thu, May 15, priced at $70 just found
Spirit Airlines
Mon, May 12 - Wed, May 14
PHX
Phoenix
LAS
Las Vegas
$72 Roundtrip, found 1 hour ago
$72
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Mon, May 12 from Phoenix to Las Vegas, returning Wed, May 14, priced at $72 found 1 hour ago
Frontier Airlines
Tue, May 6 - Fri, May 9
PHX
Phoenix
LAS
Las Vegas
$73 Roundtrip, just found
$73
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, May 6 from Phoenix to Las Vegas, returning Fri, May 9, priced at $73 just found
Frontier Airlines
Tue, May 20 - Tue, May 27
PHX
Phoenix
LAS
Las Vegas
$74 Roundtrip, just found
$74
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, May 20 from Phoenix to Las Vegas, returning Tue, May 27, priced at $74 just found
Spirit Airlines
Mon, May 5 - Fri, May 9
PHX
Phoenix
LAS
Las Vegas
$77 Roundtrip, just found
$77
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, May 5 from Phoenix to Las Vegas, returning Fri, May 9, priced at $77 just found
Spirit Airlines
Sun, May 11 - Thu, May 15
PHX
Phoenix
LAS
Las Vegas
$80 Roundtrip, just found
$80
Roundtrip
just found
Select Spirit Airlines flight, departing Sun, May 11 from Phoenix to Las Vegas, returning Thu, May 15, priced at $80 just found
Spirit Airlines
Sun, May 18 - Wed, May 21
PHX
Phoenix
LAS
Las Vegas
$80 Roundtrip, just found
$80
Roundtrip
just found
Select Spirit Airlines flight, departing Sun, May 18 from Phoenix to Las Vegas, returning Wed, May 21, priced at $80 just found
Southwest Airlines
Sat, May 24 - Wed, May 28
PHX
Phoenix
LAS
Las Vegas
$159 Roundtrip, just found
$159
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, May 24 from Phoenix to Las Vegas, returning Wed, May 28, priced at $159 just found
Alaska Airlines
Tue, Sep 23 - Wed, Oct 1
PHX
Phoenix
LAS
Las Vegas
$222 Roundtrip, found 2 hours ago
$222
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Tue, Sep 23 from Phoenix to Las Vegas, returning Wed, Oct 1, priced at $222 found 2 hours ago
United
Wed, Jun 4 - Wed, Jun 11
PHX
Phoenix
LAS
Las Vegas
$231 Roundtrip, found 1 hour ago
$231
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jun 4 from Phoenix to Las Vegas, returning Wed, Jun 11, priced at $231 found 1 hour ago
Flights from Phoenix (PHX) to Las Vegas (LAS)
Origin airport
Sky Harbor Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$70
Distance
255 mi

Phoenix to Las Vegas Flights

The cheapest times to fly from Phoenix 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 Phoenix to Las Vegas are during the month of May. You can find some of the cheapest flights from Phoenix to Las Vegas with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from Phoenix 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 Phoenix 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 Phoenix to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $35 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 Phoenix 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 Phoenix 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.

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Harry Reid Intl. Airport (LAS) cost?
Book cheap return tickets starting from $70 from Sky Harbor Intl. Airport (PHX) to Harry Reid Intl. Airport (LAS). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Spirit Airlines flight leaving PHX on May 12 2025 and touching down at LAS. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from PHX to LAS?
The cheapest flights from PHX to LAS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Sky Harbor Intl. Airport (PHX) to Harry Reid Intl. Airport (LAS)?
You can choose from 4 carriers that fly nonstop from Sky Harbor Intl. Airport (PHX) to Harry Reid Intl. Airport (LAS). These include:

  • Southwest Airlines
  • American Airlines
  • Frontier Airlines

What is the cheapest airline that flies from PHX to LAS?
With fares starting at $35 for a one-way flight from PHX to LAS, Spirit Airlines is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PHX on May 19 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Harry Reid Intl. Airport (LAS)?
With an average of 18 nonstop flights that operate from Sky Harbor Intl. Airport (PHX) to Harry Reid Intl. Airport (LAS) daily, you’ll be soaring through the skies in no time.
What are the most popular departure times for flights from Sky Harbor Intl. Airport (PHX) to Harry Reid Intl. Airport (LAS)?
More passengers fly between PHX and LAS at 11 AM than at any other time of day. Looking for a quieter experience? Consider flying outside peak hours and you could save on your fare as well.
What day of the week has the most flights from PHX to LAS?
Depart on a Sunday if you’re searching for the largest selection of flights from Sky Harbor Intl. Airport (PHX) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from Sky Harbor Intl. Airport (PHX) to Harry Reid Intl. Airport (LAS)?
Catch the earliest flight at around 7:05AM UTC-7, leaving from Sky Harbor Intl. Airport (PHX). You’ll be flying for around 1h 10m, arriving at Harry Reid Intl. Airport (LAS) at approximately 7:15AM UTC-8.
How long does it take to fly from Sky Harbor Intl. Airport (PHX) to Harry Reid Intl. Airport (LAS)?
The average flight time from PHX to LAS is 1 hour and 15 minutes, covering a total distance of 260 mi.
What airline has the least delays from PHX to LAS?
With 100% of flights typically landing on schedule, United Airlines has the best on-time performance for direct flights from Sky Harbor Intl. Airport (PHX) to Harry Reid Intl. Airport (LAS). To check your flight status and get notified if anything changes, use the Expedia App.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Harry Reid Intl. Airport (LAS)?
To avoid potential delays on the Sky Harbor Intl. Airport (PHX) to Harry Reid Intl. Airport (LAS) route, aim to travel before 3 PM. Later flights have a 22% higher chance of being canceled.**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.
What airports do you fly into for Las Vegas from Sky Harbor Intl. Airport (PHX)?
Harry Reid Intl. Airport (LAS) is the only airport in Las Vegas with direct flights from Sky Harbor Intl. Airport (PHX). Consider your options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Harry Reid Intl. Airport (LAS) last-minute?
Booking your flight from PHX to LAS shortly before your trip is generally more expensive. But if you’re flexible with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a PHX to LAS flight and hotel package?
Opting for a PHX to LAS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our extensive range of accommodations and then add car rentals, flights 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 Sky Harbor Intl. Airport (PHX) to Harry Reid Intl. Airport (LAS)?
Generally, it’s possible to reschedule or cancel your PHX to LAS flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.