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Find low faresSouthwest® flights from Long Island/Islip MacArthur to Indianapolis from $159
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Low fares from Long Island/Islip MacArthur to Indianapolis
$
Long Island/Islip MacArthur (ISP)to
Indianapolis (IND)
Depart: 05/05/2026
One-way
Basic
From
$139
Seen: 25 minutes ago
Long Island/Islip MacArthur (ISP)to
Indianapolis (IND)
Depart: 05/09/2026
One-way
Basic
From
$139
Seen: 26 minutes ago
Long Island/Islip MacArthur (ISP)to
Indianapolis (IND)
Depart: 05/07/2026
One-way
Basic
From
$144
Seen: 47 minutes ago
Long Island/Islip MacArthur (ISP)to
Indianapolis (IND)
Depart: 03/11/2026
One-way
Basic
From
$159
Seen: 11 hrs ago
Long Island/Islip MacArthur (ISP)to
Indianapolis (IND)
Depart: 05/09/2026
One-way
Choice
From
$174
Seen: 26 minutes ago
Long Island/Islip MacArthur (ISP)to
Indianapolis (IND)
Depart: 05/05/2026
One-way
Choice
From
$174
Seen: 25 minutes ago
Explore flights from Long Island/Islip MacArthur to Indianapolis
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Flight Details
Departing from:
Long Island MacArthur Airport
Arriving at:
Indianapolis International Airport
Distance:
701 miles
Route Information
78† 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 78 weekly flights from Long Island/Islip MacArthur to Indianapolis on Southwest Airlines.
To find the lowest fares by day and time to fly Long Island/Islip MacArthur to Indianapolis with Southwest, check out our Low Fare Calendar.
You can rent a car at Indianapolis International Airport book yours with your flight.
Yes! Flights from Long Island/Islip MacArthur to Indianapolis—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.