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

Popular airlines from Harry Reid Intl. Airport (LAS) to Phoenix Sky Harbor Intl. Airport (PHX)

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

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
Frontier Airlines
Spirit Airlines
Frontier Airlines
Frontier Airlines
Spirit Airlines
Frontier Airlines
Frontier Airlines
Southwest Airlines
United

Find the cheapest month to fly from Las Vegas (LAS) to Phoenix (PHX)

August is typically the cheapest month to fly

From $40 - $88 per traveler.

Graph displaying average flight prices per month

Alternative airports near Phoenix

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Las Vegas (LAS) to Phoenix (PHX)
Origin airport
Harry Reid Intl.
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$62
Distance
255 mi
Average flight time
1 hour 16 mins

Las Vegas to Phoenix Flights

The cheapest times to fly from Las Vegas to Phoenix

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

 

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

Sunday is one of the best days to book for cheap flights from Las Vegas to Phoenix: 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 Las Vegas to Phoenix

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 Las Vegas to Phoenix 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 Las Vegas to Phoenix 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 Las Vegas to Phoenix 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 Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX) cost?
Cheap round-trip fares from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX) start from $43. 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 Frontier Airlines flight leaving LAS on July 23 2025 and touching down at PHX. The price was last updated on June 29 2025 and has not changed since.
What is the cheapest month to fly from LAS to PHX?
The cheapest flights from LAS to PHX 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 Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX)?
Skip the layovers and fly straight to Sky Harbor Intl. Airport (PHX) from Harry Reid Intl. Airport (LAS) with 4 carriers, including:

  • Southwest Airlines
  • American Airlines
  • Frontier Airlines

What is the cheapest airline that flies from LAS to PHX?
At the moment, the cheapest carrier operating one-way flights from LAS to PHX is Frontier Airlines. You can book a seat on this route from $24. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LAS on September 23 2025. Prices were last updated on June 29 2025 and have not changed since.
How many flights per day from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX)?
Each day, an average of 18 nonstop flights operate from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX). Pick the departure time that fits your schedule best.
What are the most popular departure times for flights from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX)?
Flights between LAS and PHX are their busiest at 6 AM. If you're after a quieter experience and potentially cheaper tickets, look for a time when demand is lower.
What day of the week has the most flights from LAS to PHX?
If you jet off on a Sunday, you'll get the widest range of options for flights from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX).
What is the earliest flight from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX)?
The first flight of the day leaving Harry Reid Intl. Airport (LAS) is at around 5:45AM UTC-8. Board this plane and you'll reach Sky Harbor Intl. Airport (PHX) at approximately 7:55AM UTC-7. The total time in the air is 1h 10m.
How long does it take to fly from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX)?
The average flight duration from LAS to PHX is 1 hour and 17 minutes, covering a total distance of 260 mi.
What airline has the least delays from LAS to PHX?
Southwest Airlines has the strongest track record for on-time direct flights from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX), with an on-time score of 80%. Use the Expedia App to look up your journey status before you jet off and get immediate updates about any trip changes.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX)?
To avoid potential delays on the Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Phoenix from Harry Reid Intl. Airport (LAS)?
If you're taking a direct flight from Harry Reid Intl. Airport (LAS) to Phoenix, Sky Harbor Intl. Airport (PHX) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX) last-minute?
Last-minute bookings from LAS to PHX are typically more expensive. To secure the best rates, start looking for flights as early as possible. That being said, if your travel plans are flexible, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book a LAS to PHX flight and hotel package?
Compared with arranging flights and hotels separately, booking a LAS to PHX flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the stress out of planning your trip. Simply pick your flights and select from our extensive range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX)?
If you booked your LAS to PHX flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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*Available to One Key members.