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: 12/01/2026

One-way

Basic

From
$136
Seen: 8 hrs ago

Raleigh/Durham (RDU)to

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

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
$136
Seen: 16 hrs ago

Raleigh/Durham (RDU)to

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

One-way

Basic

From
$165
Seen: 16 hrs ago

Raleigh/Durham (RDU)to

Buffalo/Niagara Falls (BUF)
Depart: 12/21/2026

One-way

Basic

From
$165
Seen: 19 hrs ago

Raleigh/Durham (RDU)to

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

One-way

Basic

From
$165
Seen: 2 hrs ago

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Explore flights from Raleigh/Durham to Buffalo/Niagara Falls

Oct 2026
From$165*
Seen: 23 hrs ago
One Way/Basic
Nov 2026
From$136*
Seen: 15 hrs ago
One Way/Basic
Dec 2026
From$136*
Seen: 16 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $165
cmp-daily-histogram-bars-legend-max-price-aria-label $326
Displaying fares for October-2026
  • RDU–BUF: cmp-view-offers-disclaimer. Find Offers
    02

    Fri

    OCT

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

    Sat

  • RDU–BUF, 10/04/2026: From $326
    04

    Sun

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

    Mon

  • RDU–BUF, 10/06/2026: From $244
    06

    Tue

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

    Wed

  • RDU–BUF, 10/08/2026: From $293
    08

    Thu

  • RDU–BUF, 10/09/2026: From $293
    09

    Fri

  • RDU–BUF, 10/10/2026: From $244
    10

    Sat

  • RDU–BUF, 10/11/2026: From $293
    11

    Sun

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

    Mon

  • RDU–BUF, 10/13/2026: From $244
    13

    Tue

  • RDU–BUF, 10/14/2026: From $244
    14

    Wed

  • RDU–BUF: cmp-view-offers-disclaimer. Find Offers
    15

    Thu

  • RDU–BUF, 10/16/2026: From $233
    16

    Fri

  • RDU–BUF, 10/17/2026: From $244
    17

    Sat

  • RDU–BUF, 10/18/2026: From $285
    18

    Sun

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

    Mon

  • RDU–BUF, 10/20/2026: From $244
    20

    Tue

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

    Wed

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

    Thu

  • RDU–BUF, 10/23/2026: From $185
    23

    Fri

  • RDU–BUF, 10/24/2026: From $165
    24

    Sat

  • RDU–BUF, 10/25/2026: From $223
    25

    Sun

  • RDU–BUF, 10/26/2026: From $165
    26

    Mon

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

    Tue

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

    Wed

  • RDU–BUF, 10/29/2026: From $165
    29

    Thu

  • RDU–BUF, 10/30/2026: From $185
    30

    Fri

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

    Sat

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

    Sun

    NOV

    • Range$165-$326

    *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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