Southwest® flights from Baltimore/Washington to Greenville-Spartanburg from $138

Promo Code

Low fares from Baltimore/Washington to Greenville-Spartanburg

$

Baltimore/Washington (BWI)to

Greenville-Spartanburg (GSP)
Depart: 12/16/2026

One-way

Basic

From
$138
Seen: 19 hrs ago

Baltimore/Washington (BWI)to

Greenville-Spartanburg (GSP)
Depart: 10/28/2026

One-way

Basic

From
$138
Seen: 14 hrs ago

Baltimore/Washington (BWI)to

Greenville-Spartanburg (GSP)
Depart: 11/21/2026

One-way

Basic

From
$138
Seen: 19 hrs ago

Baltimore/Washington (BWI)to

Greenville-Spartanburg (GSP)
Depart: 12/03/2026

One-way

Basic

From
$148
Seen: 21 hrs ago

Baltimore/Washington (BWI)to

Greenville-Spartanburg (GSP)
Depart: 10/17/2026

One-way

Basic

From
$166
Seen: 11 hrs ago

Baltimore/Washington (BWI)to

Greenville-Spartanburg (GSP)
Depart: 10/30/2026

One-way

Basic

From
$166
Seen: 14 hrs ago

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Explore flights from Baltimore/Washington to Greenville-Spartanburg

Sep 2026
From$221*
Seen: 4 hrs ago
One Way/Basic
Oct 2026
From$138*
Seen: 14 hrs ago
One Way/Basic
Nov 2026
From$138*
Seen: 19 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $176
cmp-daily-histogram-bars-legend-max-price-aria-label $494
Displaying fares for September-2026
  • BWI–GSP, 09/13/2026: From $264
    13

    Sun

    SEP

  • BWI–GSP: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • BWI–GSP, 09/15/2026: From $264
    15

    Tue

  • BWI–GSP, 09/16/2026: From $264
    16

    Wed

  • BWI–GSP, 09/17/2026: From $264
    17

    Thu

  • BWI–GSP, 09/18/2026: From $494
    18

    Fri

  • BWI–GSP, 09/19/2026: From $269
    19

    Sat

  • BWI–GSP: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

  • BWI–GSP: cmp-view-offers-disclaimer. Find Offers
    21

    Mon

  • BWI–GSP: cmp-view-offers-disclaimer. Find Offers
    22

    Tue

  • BWI–GSP, 09/23/2026: From $264
    23

    Wed

  • BWI–GSP, 09/24/2026: From $264
    24

    Thu

  • BWI–GSP, 09/25/2026: From $264
    25

    Fri

  • BWI–GSP, 09/26/2026: From $221
    26

    Sat

  • BWI–GSP: cmp-view-offers-disclaimer. Find Offers
    27

    Sun

  • BWI–GSP, 09/28/2026: From $221
    28

    Mon

  • BWI–GSP: cmp-view-offers-disclaimer. Find Offers
    29

    Tue

  • BWI–GSP, 09/30/2026: From $221
    30

    Wed

  • BWI–GSP, 10/01/2026: From $275
    01

    Thu

    OCT

  • BWI–GSP, 10/02/2026: From $226
    02

    Fri

  • BWI–GSP, 10/03/2026: From $199
    03

    Sat

  • BWI–GSP, 10/04/2026: From $199
    04

    Sun

  • BWI–GSP, 10/05/2026: From $199
    05

    Mon

  • BWI–GSP, 10/06/2026: From $199
    06

    Tue

  • BWI–GSP, 10/07/2026: From $199
    07

    Wed

  • BWI–GSP, 10/08/2026: From $221
    08

    Thu

  • BWI–GSP, 10/09/2026: From $221
    09

    Fri

  • BWI–GSP, 10/10/2026: From $199
    10

    Sat

  • BWI–GSP: cmp-view-offers-disclaimer. Find Offers
    11

    Sun

  • BWI–GSP, 10/12/2026: From $176
    12

    Mon

    • Range$176-$494

    *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:
    Balt./Wash. International Airport
    Arriving at:
    Greenville-Spartanburg International Airport
    Average flight time:
    1 hour 32 minutes
    Distance:
    426 miles

    Route Information

    40† Weekly flights
    • 2‡ Nonstop flights per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 2‡ Nonstop flights on Sunday

    † 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

    The average flight time from Baltimore/Washington to Greenville-Spartanburg is 1 hour 32 minutes.
    There are 40 weekly flights from Baltimore/Washington to Greenville-Spartanburg on Southwest Airlines.
    Yes, Southwest flies nonstop from Baltimore/Washington to Greenville-Spartanburg 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Baltimore/Washington to Greenville-Spartanburg once per day on Saturdays and 2 times per day on Sundays.
    To find the lowest fares by day and time to fly Baltimore/Washington to Greenville-Spartanburg with Southwest, check out our Low Fare Calendar.
    You can rent a car at Greenville-Spartanburg International Airport book yours with your flight.
    Yes! Flights from Baltimore/Washington to Greenville-Spartanburg—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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