Southwest® flights from Philadelphia to Las Vegas from $159

Promo Code

Low fares from Philadelphia to Las Vegas

$

Philadelphia (PHL)to

Las Vegas (LAS)
Depart: 08/26/2026

One-way

Basic

From
$159
Seen: 1 hour ago

Philadelphia (PHL)to

Las Vegas (LAS)
Depart: 09/05/2026

One-way

Basic

From
$171
Seen: 2 hrs ago

Philadelphia (PHL)to

Las Vegas (LAS)
Depart: 10/30/2026

One-way

Basic

From
$171
Seen: 3 hrs ago

Philadelphia (PHL)to

Las Vegas (LAS)
Depart: 09/11/2026

One-way

Basic

From
$176
Seen: 10 hrs ago

Philadelphia (PHL)to

Las Vegas (LAS)
Depart: 10/05/2026

One-way

Basic

From
$188
Seen: 7 hrs ago

Philadelphia (PHL)to

Las Vegas (LAS)
Depart: 10/22/2026

One-way

Basic

From
$188
Seen: 3 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Philadelphia to Las Vegas

Aug 2026
From$159*
Seen: 1 hour ago
One Way/Basic
Sep 2026
From$171*
Seen: 2 hrs ago
One Way/Basic
Oct 2026
From$171*
Seen: 3 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $159
cmp-daily-histogram-bars-legend-max-price-aria-label $434
Displaying fares for August-2026
  • PHL–LAS: cmp-view-offers-disclaimer. Find Offers
    02

    Sun

    AUG

  • PHL–LAS: cmp-view-offers-disclaimer. Find Offers
    03

    Mon

  • PHL–LAS, 08/04/2026: From $362
    04

    Tue

  • PHL–LAS, 08/05/2026: From $263
    05

    Wed

  • PHL–LAS, 08/06/2026: From $320
    06

    Thu

  • PHL–LAS: cmp-view-offers-disclaimer. Find Offers
    07

    Fri

  • PHL–LAS, 08/08/2026: From $276
    08

    Sat

  • PHL–LAS, 08/09/2026: From $434
    09

    Sun

  • PHL–LAS, 08/10/2026: From $434
    10

    Mon

  • PHL–LAS, 08/11/2026: From $258
    11

    Tue

  • PHL–LAS, 08/12/2026: From $241
    12

    Wed

  • PHL–LAS, 08/13/2026: From $314
    13

    Thu

  • PHL–LAS: cmp-view-offers-disclaimer. Find Offers
    14

    Fri

  • PHL–LAS: cmp-view-offers-disclaimer. Find Offers
    15

    Sat

  • PHL–LAS, 08/16/2026: From $281
    16

    Sun

  • PHL–LAS, 08/17/2026: From $281
    17

    Mon

  • PHL–LAS, 08/18/2026: From $241
    18

    Tue

  • PHL–LAS, 08/19/2026: From $241
    19

    Wed

  • PHL–LAS: cmp-view-offers-disclaimer. Find Offers
    20

    Thu

  • PHL–LAS, 08/21/2026: From $281
    21

    Fri

  • PHL–LAS: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

  • PHL–LAS, 08/23/2026: From $244
    23

    Sun

  • PHL–LAS, 08/24/2026: From $193
    24

    Mon

  • PHL–LAS: cmp-view-offers-disclaimer. Find Offers
    25

    Tue

  • PHL–LAS, 08/26/2026: From $159
    26

    Wed

  • PHL–LAS, 08/27/2026: From $208
    27

    Thu

  • PHL–LAS, 08/28/2026: From $208
    28

    Fri

  • PHL–LAS: cmp-view-offers-disclaimer. Find Offers
    29

    Sat

  • PHL–LAS: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

  • PHL–LAS, 08/31/2026: From $193
    31

    Mon

  • PHL–LAS: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

    • Range$159-$434

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Philadelphia International Airport
    Arriving at:
    McCarran International Airport
    Distance:
    2176 miles

    Route Information

    140† Weekly flights

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    There are 140 weekly flights from Philadelphia to Las Vegas on Southwest Airlines.
    To find the lowest fares by day and time to fly Philadelphia to Las Vegas with Southwest, check out our Low Fare Calendar.
    You can rent a car at McCarran International Airport book yours with your flight.
    Yes! Flights from Philadelphia to Las Vegas—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

    Explore Flights from Other Popular Origins

    Popular Flights from Philadelphia