Southwest® flights from Boston to Philadelphia from $146

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Low fares from Boston to Philadelphia

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Boston (BOS)to

Philadelphia (PHL)
Depart: 11/07/2026

One-way

Basic

From
$146
Seen: 1 hour ago

Boston (BOS)to

Philadelphia (PHL)
Depart: 01/08/2027

One-way

Basic

From
$178
Seen: 17 hrs ago

Boston (BOS)to

Philadelphia (PHL)
Depart: 11/12/2026

One-way

Basic

From
$178
Seen: 15 hrs ago

Boston (BOS)to

Philadelphia (PHL)
Depart: 12/30/2026

One-way

Basic

From
$183
Seen: 14 hrs ago

Boston (BOS)to

Philadelphia (PHL)
Depart: 11/07/2026

One-way

Choice

From
$189
Seen: 1 hour ago

Boston (BOS)to

Philadelphia (PHL)
Depart: 11/11/2026

One-way

Basic

From
$199
Seen: 3 hrs ago

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Explore flights from Boston to Philadelphia

Oct 2026
From$329*
Seen: 14 hrs ago
One Way/Basic
Nov 2026
From$146*
Seen: 1 hour ago
One Way/Basic
Dec 2026
From$183*
Seen: 14 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $146
cmp-daily-histogram-bars-legend-max-price-aria-label $552
Displaying fares for October-2026
  • BOS–PHL, 10/19/2026: From $552
    19

    Mon

    OCT

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    20

    Tue

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    21

    Wed

  • BOS–PHL, 10/22/2026: From $367
    22

    Thu

  • BOS–PHL, 10/23/2026: From $367
    23

    Fri

  • BOS–PHL, 10/24/2026: From $352
    24

    Sat

  • BOS–PHL, 10/25/2026: From $456
    25

    Sun

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    26

    Mon

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    27

    Tue

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    28

    Wed

  • BOS–PHL, 10/29/2026: From $329
    29

    Thu

  • BOS–PHL, 10/30/2026: From $329
    30

    Fri

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    01

    Sun

    NOV

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    02

    Mon

  • BOS–PHL, 11/03/2026: From $204
    03

    Tue

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    04

    Wed

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    05

    Thu

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    06

    Fri

  • BOS–PHL, 11/07/2026: From $146
    07

    Sat

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    08

    Sun

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    09

    Mon

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    10

    Tue

  • BOS–PHL, 11/11/2026: From $199
    11

    Wed

  • BOS–PHL, 11/12/2026: From $178
    12

    Thu

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    14

    Sat

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    15

    Sun

  • BOS–PHL, 11/16/2026: From $204
    16

    Mon

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

    • Range$146-$552

    *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:
    Logan International Airport
    Arriving at:
    Philadelphia International Airport
    Distance:
    280 miles

    Questions we hear the most

    There are 33 weekly flights from Boston to Philadelphia on Southwest Airlines.
    To find the lowest fares by day and time to fly Boston to Philadelphia with Southwest, check out our Low Fare Calendar.
    You can rent a car at Philadelphia International Airport book yours with your flight.
    Yes! Flights from Boston to Philadelphia—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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