Southwest® flights from Philadelphia to Boston from $117

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Low fares from Philadelphia to Boston

$

Philadelphia (PHL)to

Boston (BOS)
Depart: 12/05/2026

One-way

Basic

From
$117
Seen: 5 hrs ago

Philadelphia (PHL)to

Boston (BOS)
Depart: 11/18/2026

One-way

Basic

From
$117
Seen: 1 hour ago

Philadelphia (PHL)to

Boston (BOS)
Depart: 11/17/2026

One-way

Basic

From
$122
Seen: 5 hrs ago

Philadelphia (PHL)to

Boston (BOS)
Depart: 11/10/2026

One-way

Basic

From
$122
Seen: 8 hrs ago

Philadelphia (PHL)to

Boston (BOS)
Depart: 11/11/2026

One-way

Basic

From
$122
Seen: 20 hrs ago

Philadelphia (PHL)to

Boston (BOS)
Depart: 11/09/2026

One-way

Basic

From
$141
Seen: 1 hour ago

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Explore flights from Philadelphia to Boston

Oct 2026
From$329*
Seen: 11 hrs ago
One Way/Basic
Nov 2026
From$117*
Seen: 1 hour ago
One Way/Basic
Dec 2026
From$117*
Seen: 5 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $117
cmp-daily-histogram-bars-legend-max-price-aria-label $461
Displaying fares for October-2026
  • PHL–BOS, 10/23/2026: From $362
    23

    Fri

    OCT

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

    Sat

  • PHL–BOS, 10/25/2026: From $461
    25

    Sun

  • PHL–BOS, 10/26/2026: From $362
    26

    Mon

  • PHL–BOS, 10/27/2026: From $352
    27

    Tue

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

    Wed

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

    Thu

  • PHL–BOS, 10/30/2026: From $414
    30

    Fri

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

    Sat

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

    Sun

    NOV

  • PHL–BOS, 11/02/2026: From $329
    02

    Mon

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

    Tue

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

    Wed

  • PHL–BOS, 11/05/2026: From $278
    05

    Thu

  • PHL–BOS, 11/06/2026: From $233
    06

    Fri

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

    Sat

  • PHL–BOS, 11/08/2026: From $289
    08

    Sun

  • PHL–BOS, 11/09/2026: From $141
    09

    Mon

  • PHL–BOS, 11/10/2026: From $122
    10

    Tue

  • PHL–BOS, 11/11/2026: From $122
    11

    Wed

  • PHL–BOS: cmp-view-offers-disclaimer. Find Offers
    12

    Thu

  • PHL–BOS, 11/13/2026: From $145
    13

    Fri

  • PHL–BOS, 11/14/2026: From $303
    14

    Sat

  • PHL–BOS, 11/15/2026: From $414
    15

    Sun

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

    Mon

  • PHL–BOS, 11/17/2026: From $122
    17

    Tue

  • PHL–BOS, 11/18/2026: From $117
    18

    Wed

  • PHL–BOS, 11/19/2026: From $249
    19

    Thu

  • PHL–BOS, 11/20/2026: From $233
    20

    Fri

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

    Sat

  • PHL–BOS, 11/22/2026: From $249
    22

    Sun

    • Range$117-$461

    *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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