Southwest® flights from Charleston to Boston from $110

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Low fares from Charleston to Boston

$

Charleston (CHS)to

Boston (BOS)
Depart: 10/27/2026

One-way

Basic

From
$110
Seen: 20 hrs ago

Charleston (CHS)to

Boston (BOS)
Depart: 10/17/2026

One-way

Basic

From
$115
Seen: 15 hrs ago

Charleston (CHS)to

Boston (BOS)
Depart: 10/21/2026

One-way

Basic

From
$115
Seen: 6 hrs ago

Charleston (CHS)to

Boston (BOS)
Depart: 12/09/2026

One-way

Basic

From
$140
Seen: 9 hrs ago

Charleston (CHS)to

Boston (BOS)
Depart: 10/27/2026

One-way

Choice

From
$150
Seen: 20 hrs ago

Charleston (CHS)to

Boston (BOS)
Depart: 10/17/2026

One-way

Choice

From
$155
Seen: 15 hrs ago

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Explore flights from Charleston to Boston

Sep 2026
From$319*
Seen: 15 hrs ago
One Way/Basic
Oct 2026
From$110*
Seen: 20 hrs ago
One Way/Basic
Nov 2026
From$160*
Seen: 16 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $115
cmp-daily-histogram-bars-legend-max-price-aria-label $434
Displaying fares for September-2026
  • CHS–BOS, 09/21/2026: From $424
    21

    Mon

    SEP

  • CHS–BOS, 09/22/2026: From $424
    22

    Tue

  • CHS–BOS, 09/23/2026: From $374
    23

    Wed

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

    Thu

  • CHS–BOS, 09/25/2026: From $374
    25

    Fri

  • CHS–BOS, 09/26/2026: From $374
    26

    Sat

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

    Sun

  • CHS–BOS, 09/28/2026: From $319
    28

    Mon

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

    Tue

  • CHS–BOS: cmp-view-offers-disclaimer. Find Offers
    30

    Wed

  • CHS–BOS, 10/01/2026: From $319
    01

    Thu

    OCT

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

    Fri

  • CHS–BOS, 10/03/2026: From $319
    03

    Sat

  • CHS–BOS, 10/04/2026: From $434
    04

    Sun

  • CHS–BOS, 10/05/2026: From $239
    05

    Mon

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

    Tue

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

    Wed

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

    Thu

  • CHS–BOS, 10/09/2026: From $254
    09

    Fri

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

    Sat

  • CHS–BOS: cmp-view-offers-disclaimer. Find Offers
    11

    Sun

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

    Mon

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

    Tue

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

    Wed

  • CHS–BOS, 10/15/2026: From $224
    15

    Thu

  • CHS–BOS, 10/16/2026: From $224
    16

    Fri

  • CHS–BOS, 10/17/2026: From $115
    17

    Sat

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

    Sun

  • CHS–BOS, 10/19/2026: From $189
    19

    Mon

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

    Tue

    • Range$115-$434

    *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:
    Charleston International Airport
    Arriving at:
    Logan International Airport
    Distance:
    818 miles

    Route Information

    110† 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 110 weekly flights from Charleston to Boston on Southwest Airlines.
    To find the lowest fares by day and time to fly Charleston 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 Charleston 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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