Southwest® flights from Raleigh/Durham to Buffalo/Niagara Falls from $136

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Low fares from Raleigh/Durham to Buffalo/Niagara Falls

$

Raleigh/Durham (RDU)to

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

One-way

Basic

From
$136
Seen: 15 hrs ago

Raleigh/Durham (RDU)to

Buffalo/Niagara Falls (BUF)
Depart: 12/05/2026

One-way

Basic

From
$146
Seen: 6 hrs ago

Raleigh/Durham (RDU)to

Buffalo/Niagara Falls (BUF)
Depart: 10/28/2026

One-way

Basic

From
$146
Seen: 33 minutes ago

Raleigh/Durham (RDU)to

Buffalo/Niagara Falls (BUF)
Depart: 12/02/2026

One-way

Basic

From
$146
Seen: 6 hrs ago

Raleigh/Durham (RDU)to

Buffalo/Niagara Falls (BUF)
Depart: 10/17/2026

One-way

Basic

From
$151
Seen: 8 hrs ago

Raleigh/Durham (RDU)to

Buffalo/Niagara Falls (BUF)
Depart: 10/31/2026

One-way

Basic

From
$165
Seen: 23 hrs ago

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Explore flights from Raleigh/Durham to Buffalo/Niagara Falls

Sep 2026
From$234*
Seen: 19 hrs ago
One Way/Basic
Oct 2026
From$146*
Seen: 33 minutes ago
One Way/Basic
Nov 2026
From$136*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $188
cmp-daily-histogram-bars-legend-max-price-aria-label $446
Displaying fares for September-2026
  • RDU–BUF, 09/12/2026: From $244
    12

    Sat

    SEP

  • RDU–BUF, 09/13/2026: From $293
    13

    Sun

  • RDU–BUF, 09/14/2026: From $293
    14

    Mon

  • RDU–BUF, 09/15/2026: From $244
    15

    Tue

  • RDU–BUF: cmp-view-offers-disclaimer. Find Offers
    16

    Wed

  • RDU–BUF, 09/17/2026: From $446
    17

    Thu

  • RDU–BUF, 09/18/2026: From $283
    18

    Fri

  • RDU–BUF: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

  • RDU–BUF: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

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

    Mon

  • RDU–BUF: cmp-view-offers-disclaimer. Find Offers
    22

    Tue

  • RDU–BUF, 09/23/2026: From $234
    23

    Wed

  • RDU–BUF, 09/24/2026: From $275
    24

    Thu

  • RDU–BUF, 09/25/2026: From $332
    25

    Fri

  • RDU–BUF, 09/26/2026: From $234
    26

    Sat

  • RDU–BUF, 09/27/2026: From $275
    27

    Sun

  • RDU–BUF, 09/28/2026: From $285
    28

    Mon

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

    Tue

  • RDU–BUF, 09/30/2026: From $234
    30

    Wed

  • RDU–BUF, 10/01/2026: From $285
    01

    Thu

    OCT

  • RDU–BUF, 10/02/2026: From $188
    02

    Fri

  • RDU–BUF, 10/03/2026: From $201
    03

    Sat

  • RDU–BUF, 10/04/2026: From $233
    04

    Sun

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

    Mon

  • RDU–BUF, 10/06/2026: From $201
    06

    Tue

  • RDU–BUF, 10/07/2026: From $201
    07

    Wed

  • RDU–BUF, 10/08/2026: From $201
    08

    Thu

  • RDU–BUF, 10/09/2026: From $188
    09

    Fri

  • RDU–BUF, 10/10/2026: From $200
    10

    Sat

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

    Sun

    • Range$188-$446

    *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:
    Raleigh/Durham Airport
    Arriving at:
    Buffalo Niagara International Airport
    Distance:
    487 miles

    Route Information

    108† Weekly flights

    † 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

    There are 108 weekly flights from Raleigh/Durham to Buffalo/Niagara Falls on Southwest Airlines.
    To find the lowest fares by day and time to fly Raleigh/Durham 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 Raleigh/Durham 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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