Southwest Airlines flights from Islip (ISP) to Saint Louis (STL).

FLIGHT SCHEDULE
Non-Direct Flights:
Tue,Wed 12:30 Islip (ISP) 15:45 Saint Louis (STL) 2 Southwest Airlines WN 1857 1-stop Boeing 737-700 (73W) 4:15 Effective 2025-08-05 through 2025-10-01
Fri 10:50 Islip (ISP) 14:00 Saint Louis (STL) 2 Southwest Airlines WN 3665 1-stop Boeing 737-700 (73W) 4:10 Operates only on 2025-07-04

A domestic route departing from the Islip airport (ISP) and arriving at Saint Louis airport (STL).
The flight distance is 926 miles, or 1490 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.

FLIGHT SCHEDULE

Non-Direct Flights:

Southwest Airlines WN1857

12:30

15:45

Effective 2025-08-05 through 2025-10-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:15, 1-stop
Boeing 737-700 (73W)

10:50

14:00

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:10, 1-stop
Boeing 737-700 (73W)

A domestic route departing from the Islip airport (ISP) and arriving at Saint Louis airport (STL).
The flight distance is 926 miles, or 1490 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.

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