Southwest® flights from Baltimore/Washington to Long Island/Islip MacArthur from $82

Promo Code

Low fares from Baltimore/Washington to Long Island/Islip MacArthur

$

Baltimore/Washington (BWI)to

Long Island/Islip MacArthur (ISP)
Depart: 10/24/2026

One-way

Basic

From
$82
Seen: 14 hrs ago

Baltimore/Washington (BWI)to

Long Island/Islip MacArthur (ISP)
Depart: 12/16/2026

One-way

Basic

From
$82
Seen: 8 hrs ago

Baltimore/Washington (BWI)to

Long Island/Islip MacArthur (ISP)
Depart: 10/13/2026

One-way

Basic

From
$82
Seen: 16 hrs ago

Baltimore/Washington (BWI)to

Long Island/Islip MacArthur (ISP)
Depart: 10/17/2026

One-way

Basic

From
$82
Seen: 22 hrs ago

Baltimore/Washington (BWI)to

Long Island/Islip MacArthur (ISP)
Depart: 12/10/2026

One-way

Basic

From
$82
Seen: 5 hrs ago

Baltimore/Washington (BWI)to

Long Island/Islip MacArthur (ISP)
Depart: 11/10/2026

One-way

Basic

From
$82
Seen: 6 hrs ago

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Explore flights from Baltimore/Washington to Long Island/Islip MacArthur

Sep 2026
From$260*
Seen: 11 hrs ago
One Way/Basic
Oct 2026
From$82*
Seen: 22 hrs ago
One Way/Basic
Nov 2026
From$82*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $82
cmp-daily-histogram-bars-legend-max-price-aria-label $423
Displaying fares for September-2026
  • BWI–ISP, 09/11/2026: From $413
    11

    Fri

    SEP

  • BWI–ISP, 09/12/2026: From $413
    12

    Sat

  • BWI–ISP, 09/13/2026: From $423
    13

    Sun

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

    Mon

  • BWI–ISP, 09/15/2026: From $413
    15

    Tue

  • BWI–ISP, 09/16/2026: From $413
    16

    Wed

  • BWI–ISP, 09/17/2026: From $352
    17

    Thu

  • BWI–ISP, 09/18/2026: From $352
    18

    Fri

  • BWI–ISP, 09/19/2026: From $352
    19

    Sat

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

    Sun

  • BWI–ISP, 09/21/2026: From $352
    21

    Mon

  • BWI–ISP, 09/22/2026: From $352
    22

    Tue

  • BWI–ISP, 09/23/2026: From $352
    23

    Wed

  • BWI–ISP, 09/24/2026: From $260
    24

    Thu

  • BWI–ISP: cmp-view-offers-disclaimer. Find Offers
    25

    Fri

  • BWI–ISP, 09/26/2026: From $260
    26

    Sat

  • BWI–ISP, 09/27/2026: From $270
    27

    Sun

  • BWI–ISP, 09/28/2026: From $260
    28

    Mon

  • BWI–ISP, 09/29/2026: From $260
    29

    Tue

  • BWI–ISP, 09/30/2026: From $260
    30

    Wed

  • BWI–ISP: cmp-view-offers-disclaimer. Find Offers
    01

    Thu

    OCT

  • BWI–ISP, 10/02/2026: From $113
    02

    Fri

  • BWI–ISP, 10/03/2026: From $155
    03

    Sat

  • BWI–ISP, 10/04/2026: From $206
    04

    Sun

  • BWI–ISP: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

  • BWI–ISP, 10/06/2026: From $155
    06

    Tue

  • BWI–ISP, 10/07/2026: From $82
    07

    Wed

  • BWI–ISP: cmp-view-offers-disclaimer. Find Offers
    08

    Thu

  • BWI–ISP, 10/09/2026: From $206
    09

    Fri

  • BWI–ISP, 10/10/2026: From $82
    10

    Sat

    • Range$82-$423

    *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:
    Long Island MacArthur Airport
    Average flight time:
    1 hour 8 minutes
    Distance:
    220 miles

    Route Information

    18† Weekly flights
    • 3‡ Nonstop flights per day Monday through Friday
    • 3‡ Nonstop flights on Saturday
    • 3‡ 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 Long Island/Islip MacArthur is 1 hour 8 minutes.
    There are 18 weekly flights from Baltimore/Washington to Long Island/Islip MacArthur on Southwest Airlines.
    Yes, Southwest flies nonstop from Baltimore/Washington to Long Island/Islip MacArthur 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Baltimore/Washington to Long Island/Islip MacArthur 3 times per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Baltimore/Washington to Long Island/Islip MacArthur with Southwest, check out our Low Fare Calendar.
    You can rent a car at Long Island MacArthur Airport book yours with your flight.
    Yes! Flights from Baltimore/Washington to Long Island/Islip MacArthur—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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