Southwest® flights from Seattle/Tacoma to Las Vegas from $99

Promo Code

Low fares from Seattle/Tacoma to Las Vegas

$

Seattle/Tacoma (SEA)to

Las Vegas (LAS)
Depart: 08/22/2026

One-way

Basic

From
$99
Seen: 1 hour ago

Seattle/Tacoma (SEA)to

Las Vegas (LAS)
Depart: 08/21/2026

One-way

Basic

From
$99
Seen: 1 hour ago

Seattle/Tacoma (SEA)to

Las Vegas (LAS)
Depart: 08/29/2026

One-way

Basic

From
$99
Seen: 18 hrs ago

Seattle/Tacoma (SEA)to

Las Vegas (LAS)
Depart: 08/25/2026

One-way

Basic

From
$99
Seen: 6 hrs ago

Seattle/Tacoma (SEA)to

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

One-way

Basic

From
$99
Seen: 18 minutes ago

Seattle/Tacoma (SEA)to

Las Vegas (LAS)
Depart: 08/28/2026

One-way

Basic

From
$99
Seen: 1 hour ago

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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.

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Explore flights from Seattle/Tacoma to Las Vegas

Aug 2026
From$99*
Seen: 1 hour ago
One Way/Basic
Sep 2026
From$107*
Seen: 8 hrs ago
One Way/Basic
Oct 2026
From$107*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $99
cmp-daily-histogram-bars-legend-max-price-aria-label $329
Displaying fares for August-2026
  • SEA–LAS, 08/02/2026: From $329
    02

    Sun

    AUG

  • SEA–LAS, 08/03/2026: From $329
    03

    Mon

  • SEA–LAS, 08/04/2026: From $329
    04

    Tue

  • SEA–LAS, 08/05/2026: From $329
    05

    Wed

  • SEA–LAS, 08/06/2026: From $329
    06

    Thu

  • SEA–LAS, 08/07/2026: From $244
    07

    Fri

  • SEA–LAS, 08/08/2026: From $244
    08

    Sat

  • SEA–LAS, 08/09/2026: From $244
    09

    Sun

  • SEA–LAS, 08/10/2026: From $244
    10

    Mon

  • SEA–LAS, 08/11/2026: From $244
    11

    Tue

  • SEA–LAS, 08/12/2026: From $244
    12

    Wed

  • SEA–LAS, 08/13/2026: From $244
    13

    Thu

  • SEA–LAS, 08/14/2026: From $159
    14

    Fri

  • SEA–LAS, 08/15/2026: From $159
    15

    Sat

  • SEA–LAS, 08/16/2026: From $199
    16

    Sun

  • SEA–LAS, 08/17/2026: From $159
    17

    Mon

  • SEA–LAS, 08/18/2026: From $149
    18

    Tue

  • SEA–LAS, 08/19/2026: From $149
    19

    Wed

  • SEA–LAS, 08/20/2026: From $149
    20

    Thu

  • SEA–LAS, 08/21/2026: From $99
    21

    Fri

  • SEA–LAS, 08/22/2026: From $99
    22

    Sat

  • SEA–LAS, 08/23/2026: From $149
    23

    Sun

  • SEA–LAS, 08/24/2026: From $99
    24

    Mon

  • SEA–LAS, 08/25/2026: From $99
    25

    Tue

  • SEA–LAS, 08/26/2026: From $99
    26

    Wed

  • SEA–LAS, 08/27/2026: From $99
    27

    Thu

  • SEA–LAS, 08/28/2026: From $99
    28

    Fri

  • SEA–LAS, 08/29/2026: From $99
    29

    Sat

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

    Sun

  • SEA–LAS: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • SEA–LAS, 09/01/2026: From $109
    01

    Tue

    SEP

    • Range$99-$329

    *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:
    Seattle/Tacoma International Airport
    Arriving at:
    McCarran International Airport
    Average flight time:
    2 hours 30 minutes
    Distance:
    867 miles

    Route Information

    156† Weekly flights
    • 2‡ Nonstop flights per day Monday through Friday
    • 2‡ Nonstop flights on Saturday
    • 3‡ Nonstop flights on Sunday

    † 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

    The average flight time from Seattle/Tacoma to Las Vegas is 2 hours 30 minutes.
    There are 156 weekly flights from Seattle/Tacoma to Las Vegas on Southwest Airlines.
    Yes, Southwest flies nonstop from Seattle/Tacoma to Las Vegas 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Seattle/Tacoma to Las Vegas 2 times per day on Saturdays and 3 times per day on Sundays.
    To find the lowest fares by day and time to fly Seattle/Tacoma 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 Seattle/Tacoma 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.

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