$80 Cheap Southwest Airlines flights Las Vegas (LAS) to Phoenix (PHX)

Apply the “Price (lowest to highest)” filter on Expedia to look for cheap Southwest Airlines round-trip flights from $159 from LAS to PHX. Affordable one-way options from $80 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for return or one-way flights to Phoenix in July or August. You could find lower fares with Southwest Airlines during these quieter months.

Look for affordable Southwest Airlines flights from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX) one to three months prior to your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and itinerary, the best day of the week to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Southwest Airlines offers direct flights from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX), with 71 departures every week. Simply use the “Nonstop” and “Airline” filters during your search on Expedia to find all direct Southwest Airlines flights to PHX.

It takes approximately 1h 15m to fly nonstop from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX) with Southwest Airlines.

Thursday has the most Southwest Airlines flights from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX). With 11 daily departures, this is the best day to find something that will fit your plans.

The earliest flight from LAS to PHX with Southwest Airlines departs at 5:45AM UTC-8. You’ll land at 7:55AM UTC-7. The final Southwest Airlines flight of the day leaves at 9:50PM UTC-8 and arrives at 12:05AM UTC-7. With 20% fewer cancellations for early and mid-morning departures, jetting out early is typically the best option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Sky Harbor Intl. Airport (PHX) is the main Phoenix gateway for Southwest Airlines flights from Harry Reid Intl. Airport (LAS).

You’ll likely be on a Boeing 737-700 or a Boeing 737 MAX 8 when flying Southwest Airlines from Harry Reid Intl. Airport (LAS) to Sky Harbor Intl. Airport (PHX). However, keep in mind that a different aircraft may be assigned due to operational factors.

It’s generally possible to change or cancel your flight, although additional charges may apply if you made your booking over 24 hours ago. Want to keep your options open? Use our “Changes included” or “No cancel fee” filter to find flights that won’t penalize you if you need to adjust your plans. To update your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for more information.