Southwest® flights from Baltimore/Washington to Buffalo/Niagara Falls from $82

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Low fares from Baltimore/Washington to Buffalo/Niagara Falls

$

Baltimore/Washington (BWI)to

Buffalo/Niagara Falls (BUF)
Depart: 11/21/2026

One-way

Basic

From
$82
Seen: 21 hrs ago

Baltimore/Washington (BWI)to

Buffalo/Niagara Falls (BUF)
Depart: 11/21/2026

One-way

Choice

From
$117
Seen: 21 hrs ago

Baltimore/Washington (BWI)to

Buffalo/Niagara Falls (BUF)
Depart: 01/08/2027

One-way

Basic

From
$148
Seen: 17 hrs ago

Baltimore/Washington (BWI)to

Buffalo/Niagara Falls (BUF)
Depart: 12/25/2026

One-way

Basic

From
$148
Seen: 22 hrs ago

Baltimore/Washington (BWI)to

Buffalo/Niagara Falls (BUF)
Depart: 11/22/2026

One-way

Basic

From
$148
Seen: 18 hrs ago

Baltimore/Washington (BWI)to

Buffalo/Niagara Falls (BUF)
Depart: 12/31/2026

One-way

Basic

From
$148
Seen: 4 hrs ago

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Explore flights from Baltimore/Washington to Buffalo/Niagara Falls

Oct 2026
From$173*
Seen: 21 hrs ago
One Way/Basic
Nov 2026
From$82*
Seen: 21 hrs ago
One Way/Basic
Dec 2026
From$148*
Seen: 4 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $173
cmp-daily-histogram-bars-legend-max-price-aria-label $423
Displaying fares for October-2026
  • BWI–BUF, 10/03/2026: From $423
    03

    Sat

    OCT

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

    Sun

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    05

    Mon

  • BWI–BUF: cmp-view-offers-disclaimer. Find Offers
    06

    Tue

  • BWI–BUF, 10/07/2026: From $423
    07

    Wed

  • BWI–BUF, 10/08/2026: From $423
    08

    Thu

  • BWI–BUF, 10/09/2026: From $423
    09

    Fri

  • BWI–BUF, 10/10/2026: From $349
    10

    Sat

  • BWI–BUF, 10/11/2026: From $349
    11

    Sun

  • BWI–BUF, 10/12/2026: From $349
    12

    Mon

  • BWI–BUF, 10/13/2026: From $349
    13

    Tue

  • BWI–BUF, 10/14/2026: From $349
    14

    Wed

  • BWI–BUF, 10/15/2026: From $349
    15

    Thu

  • BWI–BUF, 10/16/2026: From $349
    16

    Fri

  • BWI–BUF, 10/17/2026: From $248
    17

    Sat

  • BWI–BUF, 10/18/2026: From $248
    18

    Sun

  • BWI–BUF, 10/19/2026: From $248
    19

    Mon

  • BWI–BUF, 10/20/2026: From $248
    20

    Tue

  • BWI–BUF, 10/21/2026: From $248
    21

    Wed

  • BWI–BUF, 10/22/2026: From $248
    22

    Thu

  • BWI–BUF, 10/23/2026: From $248
    23

    Fri

  • BWI–BUF: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

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

    Sun

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    26

    Mon

  • BWI–BUF, 10/27/2026: From $207
    27

    Tue

  • BWI–BUF, 10/28/2026: From $173
    28

    Wed

  • BWI–BUF, 10/29/2026: From $248
    29

    Thu

  • BWI–BUF, 10/30/2026: From $248
    30

    Fri

  • BWI–BUF, 10/31/2026: From $248
    31

    Sat

  • BWI–BUF, 11/01/2026: From $207
    01

    Sun

    NOV

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

    Mon

    • Range$173-$423

    *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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