Southwest® flights from Buffalo/Niagara Falls to Las Vegas from $171

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Low fares from Buffalo/Niagara Falls to Las Vegas

$

Buffalo/Niagara Falls (BUF)to

Las Vegas (LAS)
Depart: 11/05/2026

One-way

Basic

From
$171
Seen: 20 hrs ago

Buffalo/Niagara Falls (BUF)to

Las Vegas (LAS)
Depart: 10/24/2026

One-way

Basic

From
$171
Seen: 18 hrs ago

Buffalo/Niagara Falls (BUF)to

Las Vegas (LAS)
Depart: 11/04/2026

One-way

Basic

From
$171
Seen: 15 hrs ago

Buffalo/Niagara Falls (BUF)to

Las Vegas (LAS)
Depart: 10/12/2026

One-way

Basic

From
$171
Seen: 16 hrs ago

Buffalo/Niagara Falls (BUF)to

Las Vegas (LAS)
Depart: 10/20/2026

One-way

Basic

From
$171
Seen: 15 hrs ago

Buffalo/Niagara Falls (BUF)to

Las Vegas (LAS)
Depart: 11/15/2026

One-way

Basic

From
$171
Seen: 10 hrs ago

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Explore flights from Buffalo/Niagara Falls to Las Vegas

Aug 2026
From$210*
Seen: 18 hrs ago
One Way/Basic
Sep 2026
From$171*
Seen: 9 hrs ago
One Way/Basic
Oct 2026
From$171*
Seen: 16 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $171
cmp-daily-histogram-bars-legend-max-price-aria-label $343
Displaying fares for August-2026
  • BUF–LAS, 08/20/2026: From $294
    20

    Thu

    AUG

  • BUF–LAS, 08/21/2026: From $294
    21

    Fri

  • BUF–LAS, 08/22/2026: From $294
    22

    Sat

  • BUF–LAS, 08/23/2026: From $270
    23

    Sun

  • BUF–LAS, 08/24/2026: From $215
    24

    Mon

  • BUF–LAS, 08/25/2026: From $210
    25

    Tue

  • BUF–LAS, 08/26/2026: From $210
    26

    Wed

  • BUF–LAS, 08/27/2026: From $210
    27

    Thu

  • BUF–LAS, 08/28/2026: From $210
    28

    Fri

  • BUF–LAS, 08/29/2026: From $210
    29

    Sat

  • BUF–LAS, 08/30/2026: From $270
    30

    Sun

  • BUF–LAS, 08/31/2026: From $210
    31

    Mon

  • BUF–LAS, 09/01/2026: From $210
    01

    Tue

    SEP

  • BUF–LAS, 09/02/2026: From $210
    02

    Wed

  • BUF–LAS, 09/03/2026: From $290
    03

    Thu

  • BUF–LAS, 09/04/2026: From $295
    04

    Fri

  • BUF–LAS, 09/05/2026: From $210
    05

    Sat

  • BUF–LAS, 09/06/2026: From $210
    06

    Sun

  • BUF–LAS, 09/07/2026: From $274
    07

    Mon

  • BUF–LAS, 09/08/2026: From $275
    08

    Tue

  • BUF–LAS, 09/09/2026: From $210
    09

    Wed

  • BUF–LAS, 09/10/2026: From $189
    10

    Thu

  • BUF–LAS, 09/11/2026: From $201
    11

    Fri

  • BUF–LAS, 09/12/2026: From $171
    12

    Sat

  • BUF–LAS, 09/13/2026: From $338
    13

    Sun

  • BUF–LAS, 09/14/2026: From $235
    14

    Mon

  • BUF–LAS, 09/15/2026: From $184
    15

    Tue

  • BUF–LAS, 09/16/2026: From $240
    16

    Wed

  • BUF–LAS, 09/17/2026: From $343
    17

    Thu

  • BUF–LAS, 09/18/2026: From $338
    18

    Fri

  • BUF–LAS, 09/19/2026: From $240
    19

    Sat

    • Range$171-$343

    *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:
    Buffalo Niagara International Airport
    Arriving at:
    McCarran International Airport
    Average flight time:
    4 hours 54 minutes
    Distance:
    1986 miles

    Route Information

    151† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 1‡ Nonstop flight 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 Buffalo/Niagara Falls to Las Vegas is 4 hours 54 minutes.
    There are 151 weekly flights from Buffalo/Niagara Falls to Las Vegas on Southwest Airlines.
    Yes, Southwest flies nonstop from Buffalo/Niagara Falls to Las Vegas once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Buffalo/Niagara Falls to Las Vegas once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Buffalo/Niagara Falls 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 Buffalo/Niagara Falls 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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