Southwest® flights from Louisville to Boston from $189

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Low fares from Louisville to Boston

$

Louisville (SDF)to

Boston (BOS)
Depart: 10/15/2026

One-way

Basic

From
$189
Seen: 12 hrs ago

Louisville (SDF)to

Boston (BOS)
Depart: 10/05/2026

One-way

Basic

From
$189
Seen: 20 hrs ago

Louisville (SDF)to

Boston (BOS)
Depart: 10/19/2026

One-way

Basic

From
$189
Seen: 7 hrs ago

Louisville (SDF)to

Boston (BOS)
Depart: 10/20/2026

One-way

Basic

From
$189
Seen: 6 hrs ago

Louisville (SDF)to

Boston (BOS)
Depart: 10/24/2026

One-way

Basic

From
$189
Seen: 3 hrs ago

Louisville (SDF)to

Boston (BOS)
Depart: 10/07/2026

One-way

Basic

From
$189
Seen: 2 hrs ago

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Explore flights from Louisville to Boston

Sep 2026
From$210*
Seen: 2 hrs ago
One Way/Basic
Oct 2026
From$189*
Seen: 11 hrs ago
One Way/Basic
Nov 2026
From$205*
Seen: 7 minutes ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $189
cmp-daily-histogram-bars-legend-max-price-aria-label $519
Displaying fares for September-2026
  • SDF–BOS: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

    SEP

  • SDF–BOS, 09/11/2026: From $300
    11

    Fri

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

    Sat

  • SDF–BOS, 09/13/2026: From $300
    13

    Sun

  • SDF–BOS, 09/14/2026: From $300
    14

    Mon

  • SDF–BOS, 09/15/2026: From $254
    15

    Tue

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

    Wed

  • SDF–BOS, 09/17/2026: From $300
    17

    Thu

  • SDF–BOS, 09/18/2026: From $300
    18

    Fri

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

    Sat

  • SDF–BOS, 09/20/2026: From $355
    20

    Sun

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

    Mon

  • SDF–BOS, 09/22/2026: From $254
    22

    Tue

  • SDF–BOS, 09/23/2026: From $254
    23

    Wed

  • SDF–BOS, 09/24/2026: From $404
    24

    Thu

  • SDF–BOS, 09/25/2026: From $322
    25

    Fri

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

    Sat

  • SDF–BOS, 09/27/2026: From $519
    27

    Sun

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

    Mon

  • SDF–BOS, 09/29/2026: From $254
    29

    Tue

  • SDF–BOS, 09/30/2026: From $210
    30

    Wed

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

    Thu

    OCT

  • SDF–BOS, 10/02/2026: From $260
    02

    Fri

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

    Sat

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

    Sun

  • SDF–BOS, 10/05/2026: From $189
    05

    Mon

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

    Tue

  • SDF–BOS, 10/07/2026: From $189
    07

    Wed

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

    Thu

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

    Fri

    • Range$189-$519

    *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:
    Louisville International Airport
    Arriving at:
    Logan International Airport
    Distance:
    829 miles

    Route Information

    100† 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 100 weekly flights from Louisville to Boston on Southwest Airlines.
    To find the lowest fares by day and time to fly Louisville 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 Louisville 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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