Southwest® flights from Boston to Philadelphia from $151

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Low fares from Boston to Philadelphia

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Boston (BOS)to

Philadelphia (PHL)
Depart: 11/27/2026

One-way

Basic

From
$151
Seen: 1 hour ago

Boston (BOS)to

Philadelphia (PHL)
Depart: 11/22/2026

One-way

Basic

From
$151
Seen: 4 hrs ago

Boston (BOS)to

Philadelphia (PHL)
Depart: 01/09/2027

One-way

Basic

From
$169
Seen: 8 hrs ago

Boston (BOS)to

Philadelphia (PHL)
Depart: 12/09/2026

One-way

Basic

From
$184
Seen: 13 hrs ago

Boston (BOS)to

Philadelphia (PHL)
Depart: 12/12/2026

One-way

Basic

From
$184
Seen: 16 hrs ago

Boston (BOS)to

Philadelphia (PHL)
Depart: 01/07/2027

One-way

Basic

From
$184
Seen: 19 hrs ago
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Explore flights from Boston to Philadelphia

cmp-daily-histogram-bars-legend-min-price-aria-label $151
cmp-daily-histogram-bars-legend-max-price-aria-label $685
Displaying fares for November-2026
  • BOS–PHL, 11/08/2026: From $685
    08

    Sun

    NOV

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

    Mon

  • BOS–PHL, 11/10/2026: From $264
    10

    Tue

  • BOS–PHL, 11/11/2026: From $397
    11

    Wed

  • BOS–PHL, 11/12/2026: From $332
    12

    Thu

  • BOS–PHL, 11/13/2026: From $399
    13

    Fri

  • BOS–PHL, 11/14/2026: From $417
    14

    Sat

  • BOS–PHL, 11/15/2026: From $417
    15

    Sun

  • BOS–PHL, 11/16/2026: From $399
    16

    Mon

  • BOS–PHL, 11/17/2026: From $244
    17

    Tue

  • BOS–PHL, 11/18/2026: From $299
    18

    Wed

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    19

    Thu

  • BOS–PHL, 11/20/2026: From $461
    20

    Fri

  • BOS–PHL, 11/21/2026: From $402
    21

    Sat

  • BOS–PHL, 11/22/2026: From $151
    22

    Sun

  • BOS–PHL, 11/23/2026: From $209
    23

    Mon

  • BOS–PHL, 11/24/2026: From $402
    24

    Tue

  • BOS–PHL, 11/25/2026: From $254
    25

    Wed

  • BOS–PHL, 11/26/2026: From $267
    26

    Thu

  • BOS–PHL, 11/27/2026: From $151
    27

    Fri

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

    Sat

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    29

    Sun

  • BOS–PHL, 11/30/2026: From $232
    30

    Mon

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

    Tue

    DEC

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

    Wed

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

  • BOS–PHL, 12/04/2026: From $198
    04

    Fri

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

    Sat

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

    Sun

  • BOS–PHL: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • Range$151-$685

    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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