Southwest Airlines flights from Boise (BOI) to Saint Louis (STL).

FLIGHT SCHEDULE
Non-Direct Flights:
Mon,Thu,Fri 15:25 Boise (BOI) 00:10 Saint Louis (STL) 2 Southwest Airlines WN 4539 2-stop Boeing 737 MAX 8 (7M8) 7:45 Effective 2026-06-04 through 2026-08-03 The flight arrives 1 day after departure.

A domestic route departing from the Boise airport (BOI) and arriving at Saint Louis airport (STL).
The flight distance is 1379 miles, or 2219 km.
The timezone of the departure airport is UTC-7 , 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 WN4539

15:25

00:10(+1)

Effective 2026-06-04 through 2026-08-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 7:45, 2-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

A domestic route departing from the Boise airport (BOI) and arriving at Saint Louis airport (STL).
The flight distance is 1379 miles, or 2219 km.
The timezone of the departure airport is UTC-7 , 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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