Southwest® flights from Philadelphia to Boston from $179

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Low fares from Philadelphia to Boston

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Philadelphia (PHL)to

Boston (BOS)
Depart: 12/21/2026

One-way

Basic

From
$179
Seen: 8 hrs ago

Philadelphia (PHL)to

Boston (BOS)
Depart: 12/06/2026

One-way

Basic

From
$188
Seen: 10 hrs ago

Philadelphia (PHL)to

Boston (BOS)
Depart: 12/11/2026

One-way

Basic

From
$188
Seen: 7 hrs ago

Philadelphia (PHL)to

Boston (BOS)
Depart: 12/02/2026

One-way

Basic

From
$188
Seen: 17 hrs ago

Philadelphia (PHL)to

Boston (BOS)
Depart: 12/12/2026

One-way

Basic

From
$188
Seen: 18 hrs ago

Philadelphia (PHL)to

Boston (BOS)
Depart: 12/03/2026

One-way

Basic

From
$188
Seen: 12 hrs ago

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Explore flights from Philadelphia to Boston

Nov 2026
From$228*
Seen: 6 hrs ago
One Way/Basic
Dec 2026
From$179*
Seen: 8 hrs ago
One Way/Basic
Jan 2027
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $188
cmp-daily-histogram-bars-legend-max-price-aria-label $587
Displaying fares for November-2026
  • PHL–BOS, 11/12/2026: From $332
    12

    Thu

    NOV

  • PHL–BOS, 11/13/2026: From $332
    13

    Fri

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

    Sat

  • PHL–BOS, 11/15/2026: From $587
    15

    Sun

  • PHL–BOS, 11/16/2026: From $332
    16

    Mon

  • PHL–BOS, 11/17/2026: From $264
    17

    Tue

  • PHL–BOS, 11/18/2026: From $244
    18

    Wed

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

    Thu

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

    Fri

  • PHL–BOS, 11/21/2026: From $299
    21

    Sat

  • PHL–BOS, 11/22/2026: From $299
    22

    Sun

  • PHL–BOS, 11/23/2026: From $299
    23

    Mon

  • PHL–BOS: cmp-view-offers-disclaimer. Find Offers
    24

    Tue

  • PHL–BOS, 11/25/2026: From $228
    25

    Wed

  • PHL–BOS: cmp-view-offers-disclaimer. Find Offers
    26

    Thu

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

    Fri

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

    Sat

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

    Sun

  • PHL–BOS, 11/30/2026: From $582
    30

    Mon

  • PHL–BOS, 12/01/2026: From $233
    01

    Tue

    DEC

  • PHL–BOS, 12/02/2026: From $188
    02

    Wed

  • PHL–BOS, 12/03/2026: From $188
    03

    Thu

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

    Fri

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

    Sat

  • PHL–BOS, 12/06/2026: From $188
    06

    Sun

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

    Mon

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

    Tue

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

    Wed

  • PHL–BOS, 12/10/2026: From $188
    10

    Thu

  • PHL–BOS, 12/11/2026: From $188
    11

    Fri

    • Range$188-$587

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

    Questions we hear the most

    There are 20 weekly flights from Philadelphia to Boston on Southwest Airlines.
    To find the lowest fares by day and time to fly Philadelphia to Boston with Southwest, check out our Low Fare Calendar.
    You can rent a car at Logan International Airport book yours with your flight.
    Yes! Flights from Philadelphia to Boston—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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