Southwest® flights from Charleston to Boston from $174

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Low fares from Charleston to Boston

$

Charleston (CHS)to

Boston (BOS)
Depart: 08/25/2026

One-way

Basic

From
$174
Seen: 11 hrs ago

Charleston (CHS)to

Boston (BOS)
Depart: 08/15/2026

One-way

Basic

From
$174
Seen: 31 minutes ago

Charleston (CHS)to

Boston (BOS)
Depart: 08/19/2026

One-way

Basic

From
$174
Seen: 2 hrs ago

Charleston (CHS)to

Boston (BOS)
Depart: 09/06/2026

One-way

Basic

From
$184
Seen: 5 hrs ago

Charleston (CHS)to

Boston (BOS)
Depart: 10/16/2026

One-way

Basic

From
$189
Seen: 8 hrs ago

Charleston (CHS)to

Boston (BOS)
Depart: 09/05/2026

One-way

Basic

From
$189
Seen: 4 hrs ago

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Explore flights from Charleston to Boston

Aug 2026
From$174*
Seen: 11 hrs ago
One Way/Basic
Sep 2026
From$184*
Seen: 5 hrs ago
One Way/Basic
Oct 2026
From$189*
Seen: 1 hour ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $174
cmp-daily-histogram-bars-legend-max-price-aria-label $379
Displaying fares for August-2026
  • CHS–BOS, 08/01/2026: From $379
    01

    Sat

    AUG

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

    Sun

  • CHS–BOS, 08/03/2026: From $329
    03

    Mon

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    04

    Tue

  • CHS–BOS, 08/05/2026: From $329
    05

    Wed

  • CHS–BOS, 08/06/2026: From $329
    06

    Thu

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    07

    Fri

  • CHS–BOS, 08/08/2026: From $274
    08

    Sat

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    09

    Sun

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

    Mon

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

    Tue

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    12

    Wed

  • CHS–BOS, 08/13/2026: From $274
    13

    Thu

  • CHS–BOS, 08/14/2026: From $204
    14

    Fri

  • CHS–BOS, 08/15/2026: From $174
    15

    Sat

  • CHS–BOS: cmp-view-offers-disclaimer. Find Offers
    16

    Sun

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

    Mon

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

    Tue

  • CHS–BOS, 08/19/2026: From $174
    19

    Wed

  • CHS–BOS, 08/20/2026: From $204
    20

    Thu

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

    Fri

  • CHS–BOS: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

  • CHS–BOS: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

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

    Mon

  • CHS–BOS, 08/25/2026: From $174
    25

    Tue

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    26

    Wed

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

    Thu

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    28

    Fri

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

    Sat

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    30

    Sun

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

    Mon

    • Range$174-$379

    *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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