Southwest® flights from Buffalo/Niagara Falls to Las Vegas from $155

Promo Code

Low fares from Buffalo/Niagara Falls to Las Vegas

$

Buffalo/Niagara Falls (BUF)to

Las Vegas (LAS)
Depart: 08/30/2026

One-way

Basic

From
$155
Seen: 1 hour ago

Buffalo/Niagara Falls (BUF)to

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

One-way

Basic

From
$171
Seen: 23 hrs ago

Buffalo/Niagara Falls (BUF)to

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

One-way

Basic

From
$171
Seen: 23 hrs ago

Buffalo/Niagara Falls (BUF)to

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

One-way

Basic

From
$171
Seen: 23 hrs ago

Buffalo/Niagara Falls (BUF)to

Las Vegas (LAS)
Depart: 08/31/2026

One-way

Basic

From
$171
Seen: 5 hrs ago

Buffalo/Niagara Falls (BUF)to

Las Vegas (LAS)
Depart: 10/07/2026

One-way

Basic

From
$171
Seen: 5 hrs ago

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Explore flights from Buffalo/Niagara Falls to Las Vegas

Try alternate month or interact with individual days below in order to find offers.
Jul 2026
No result for this month.
Aug 2026
From$155*
Seen: 1 hour ago
One Way/Basic
Sep 2026
From$171*
Seen: 20 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $155
cmp-daily-histogram-bars-legend-max-price-aria-label $450
Displaying fares for July-2026
  • BUF–LAS: cmp-view-offers-disclaimer. Find Offers
    31

    Fri

    JUL

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

    Sat

  • BUF–LAS: cmp-view-offers-disclaimer. Find Offers
    02

    Sun

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

    Mon

  • BUF–LAS, 08/04/2026: From $255
    04

    Tue

  • BUF–LAS, 08/05/2026: From $345
    05

    Wed

  • BUF–LAS, 08/06/2026: From $285
    06

    Thu

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

    Fri

  • BUF–LAS: cmp-view-offers-disclaimer. Find Offers
    08

    Sat

  • BUF–LAS, 08/09/2026: From $450
    09

    Sun

  • BUF–LAS: cmp-view-offers-disclaimer. Find Offers
    10

    Mon

  • BUF–LAS: cmp-view-offers-disclaimer. Find Offers
    11

    Tue

  • BUF–LAS, 08/12/2026: From $210
    12

    Wed

  • BUF–LAS, 08/13/2026: From $285
    13

    Thu

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

    Fri

  • BUF–LAS, 08/15/2026: From $274
    15

    Sat

  • BUF–LAS, 08/16/2026: From $325
    16

    Sun

  • BUF–LAS, 08/17/2026: From $250
    17

    Mon

  • BUF–LAS, 08/18/2026: From $210
    18

    Tue

  • BUF–LAS, 08/19/2026: From $210
    19

    Wed

  • BUF–LAS, 08/20/2026: From $210
    20

    Thu

  • BUF–LAS, 08/21/2026: From $171
    21

    Fri

  • BUF–LAS, 08/22/2026: From $176
    22

    Sat

  • BUF–LAS, 08/23/2026: From $290
    23

    Sun

  • BUF–LAS, 08/24/2026: From $210
    24

    Mon

  • BUF–LAS, 08/25/2026: From $171
    25

    Tue

  • BUF–LAS, 08/26/2026: From $171
    26

    Wed

  • BUF–LAS, 08/27/2026: From $181
    27

    Thu

  • BUF–LAS: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

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

    Sat

  • BUF–LAS, 08/30/2026: From $155
    30

    Sun

    • Range$155-$450

    *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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