Southwest® flights from Baltimore/Washington to Buffalo/Niagara Falls from $163

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Low fares from Baltimore/Washington to Buffalo/Niagara Falls

$

Baltimore/Washington (BWI)to

Buffalo/Niagara Falls (BUF)
Depart: 11/23/2026

One-way

Basic

From
$163
Seen: 21 hrs ago

Baltimore/Washington (BWI)to

Buffalo/Niagara Falls (BUF)
Depart: 10/13/2026

One-way

Basic

From
$163
Seen: 19 hrs ago

Baltimore/Washington (BWI)to

Buffalo/Niagara Falls (BUF)
Depart: 11/19/2026

One-way

Basic

From
$163
Seen: 18 hrs ago

Baltimore/Washington (BWI)to

Buffalo/Niagara Falls (BUF)
Depart: 12/01/2026

One-way

Basic

From
$163
Seen: 19 hrs ago

Baltimore/Washington (BWI)to

Buffalo/Niagara Falls (BUF)
Depart: 11/16/2026

One-way

Basic

From
$163
Seen: 19 hrs ago

Baltimore/Washington (BWI)to

Buffalo/Niagara Falls (BUF)
Depart: 11/17/2026

One-way

Basic

From
$163
Seen: 19 hrs ago

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Explore flights from Baltimore/Washington to Buffalo/Niagara Falls

Sep 2026
From$248*
Seen: 23 hrs ago
One Way/Basic
Oct 2026
From$163*
Seen: 19 hrs ago
One Way/Basic
Nov 2026
From$163*
Seen: 19 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $207
cmp-daily-histogram-bars-legend-max-price-aria-label $578
Displaying fares for September-2026
  • BWI–BUF, 09/13/2026: From $423
    13

    Sun

    SEP

  • BWI–BUF, 09/14/2026: From $423
    14

    Mon

  • BWI–BUF, 09/15/2026: From $423
    15

    Tue

  • BWI–BUF, 09/16/2026: From $578
    16

    Wed

  • BWI–BUF, 09/17/2026: From $423
    17

    Thu

  • BWI–BUF, 09/18/2026: From $423
    18

    Fri

  • BWI–BUF, 09/19/2026: From $349
    19

    Sat

  • BWI–BUF, 09/20/2026: From $349
    20

    Sun

  • BWI–BUF: cmp-view-offers-disclaimer. Find Offers
    21

    Mon

  • BWI–BUF, 09/22/2026: From $349
    22

    Tue

  • BWI–BUF, 09/23/2026: From $349
    23

    Wed

  • BWI–BUF, 09/24/2026: From $349
    24

    Thu

  • BWI–BUF, 09/25/2026: From $349
    25

    Fri

  • BWI–BUF, 09/26/2026: From $248
    26

    Sat

  • BWI–BUF, 09/27/2026: From $248
    27

    Sun

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

    Mon

  • BWI–BUF, 09/29/2026: From $248
    29

    Tue

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

    Wed

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

    Thu

    OCT

  • BWI–BUF, 10/02/2026: From $248
    02

    Fri

  • BWI–BUF, 10/03/2026: From $207
    03

    Sat

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

    Sun

  • BWI–BUF, 10/05/2026: From $207
    05

    Mon

  • BWI–BUF, 10/06/2026: From $207
    06

    Tue

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

    Wed

  • BWI–BUF, 10/08/2026: From $207
    08

    Thu

  • BWI–BUF, 10/09/2026: From $207
    09

    Fri

  • BWI–BUF, 10/10/2026: From $207
    10

    Sat

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

    Sun

  • BWI–BUF: cmp-view-offers-disclaimer. Find Offers
    12

    Mon

    • Range$207-$578

    *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:
    Balt./Wash. International Airport
    Arriving at:
    Buffalo Niagara International Airport
    Average flight time:
    1 hour 14 minutes
    Distance:
    281 miles

    Route Information

    29† Weekly flights
    • 4‡ Nonstop flights per day Monday through Friday
    • 4‡ Nonstop flights on Saturday
    • 5‡ 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 Baltimore/Washington to Buffalo/Niagara Falls is 1 hour 14 minutes.
    There are 29 weekly flights from Baltimore/Washington to Buffalo/Niagara Falls on Southwest Airlines.
    Yes, Southwest flies nonstop from Baltimore/Washington to Buffalo/Niagara Falls 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Baltimore/Washington to Buffalo/Niagara Falls 4 times per day on Saturdays and 5 times per day on Sundays.
    To find the lowest fares by day and time to fly Baltimore/Washington 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 Baltimore/Washington 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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