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

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Low fares from Las Vegas to Buffalo/Niagara Falls

$

Las Vegas (LAS)to

Buffalo/Niagara Falls (BUF)
Depart: 10/10/2026

One-way

Basic

From
$171
Seen: 21 hrs ago

Las Vegas (LAS)to

Buffalo/Niagara Falls (BUF)
Depart: 08/23/2026

One-way

Basic

From
$171
Seen: 20 hrs ago

Las Vegas (LAS)to

Buffalo/Niagara Falls (BUF)
Depart: 09/27/2026

One-way

Basic

From
$171
Seen: 22 hrs ago

Las Vegas (LAS)to

Buffalo/Niagara Falls (BUF)
Depart: 08/28/2026

One-way

Basic

From
$171
Seen: 13 hrs ago

Las Vegas (LAS)to

Buffalo/Niagara Falls (BUF)
Depart: 09/11/2026

One-way

Basic

From
$171
Seen: 16 hrs ago

Las Vegas (LAS)to

Buffalo/Niagara Falls (BUF)
Depart: 09/12/2026

One-way

Basic

From
$171
Seen: 5 hrs ago

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Explore flights from Las Vegas to Buffalo/Niagara Falls

Aug 2026
From$171*
Seen: 15 minutes ago
One Way/Basic
Sep 2026
From$171*
Seen: 10 hrs ago
One Way/Basic
Oct 2026
From$171*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $171
cmp-daily-histogram-bars-legend-max-price-aria-label $319
Displaying fares for August-2026
  • LAS–BUF, 08/01/2026: From $304
    01

    Sat

    AUG

  • LAS–BUF, 08/02/2026: From $304
    02

    Sun

  • LAS–BUF, 08/03/2026: From $210
    03

    Mon

  • LAS–BUF: cmp-view-offers-disclaimer. Find Offers
    04

    Tue

  • LAS–BUF: cmp-view-offers-disclaimer. Find Offers
    05

    Wed

  • LAS–BUF, 08/06/2026: From $210
    06

    Thu

  • LAS–BUF, 08/07/2026: From $280
    07

    Fri

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

    Sat

  • LAS–BUF, 08/09/2026: From $314
    09

    Sun

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

    Mon

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

    Tue

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

    Wed

  • LAS–BUF, 08/13/2026: From $210
    13

    Thu

  • LAS–BUF, 08/14/2026: From $250
    14

    Fri

  • LAS–BUF, 08/15/2026: From $210
    15

    Sat

  • LAS–BUF, 08/16/2026: From $319
    16

    Sun

  • LAS–BUF, 08/17/2026: From $210
    17

    Mon

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

    Tue

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

    Wed

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

    Thu

  • LAS–BUF, 08/21/2026: From $200
    21

    Fri

  • LAS–BUF, 08/22/2026: From $205
    22

    Sat

  • LAS–BUF, 08/23/2026: From $171
    23

    Sun

  • LAS–BUF, 08/24/2026: From $181
    24

    Mon

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

    Tue

  • LAS–BUF, 08/26/2026: From $200
    26

    Wed

  • LAS–BUF: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

  • LAS–BUF, 08/28/2026: From $171
    28

    Fri

  • LAS–BUF, 08/29/2026: From $171
    29

    Sat

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

    Sun

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

    Mon

    • Range$171-$319

    *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:
    McCarran International Airport
    Arriving at:
    Buffalo Niagara International Airport
    Average flight time:
    4 hours 24 minutes
    Distance:
    1986 miles

    Route Information

    150† 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 Las Vegas to Buffalo/Niagara Falls is 4 hours 24 minutes.
    There are 150 weekly flights from Las Vegas to Buffalo/Niagara Falls on Southwest Airlines.
    Yes, Southwest flies nonstop from Las Vegas to Buffalo/Niagara Falls once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Las Vegas to Buffalo/Niagara Falls once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Las Vegas to Buffalo/Niagara Falls with Southwest, check out our Low Fare Calendar.
    You can rent a car at Buffalo Niagara International Airport book yours with your flight.
    Yes! Flights from Las Vegas to Buffalo/Niagara Falls—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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