Southwest Airlines flights from Ontario, Los Angeles (ONT) to Saint Louis (STL).

FLIGHT SCHEDULE
Non-Direct Flights:
Sun 07:00 Ontario, Los Angeles (ONT) 4 14:20 Saint Louis (STL) 2 Southwest Airlines WN 986 1-stop Boeing 737 MAX 8 (7M8) 5:20 Operates only on 2026-05-24
Sat 05:15 Ontario, Los Angeles (ONT) 4 12:00 Saint Louis (STL) 2 Southwest Airlines WN 3341 1-stop Boeing 737 MAX 8 (7M8) 4:45 Effective 2026-03-07 through 2026-04-04

A domestic route departing from the Ontario, Los Angeles airport (ONT) and arriving at Saint Louis airport (STL).
The flight distance is 1542 miles, or 2481 km.
The timezone of the departure airport is UTC-8 , 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 WN986

07:00

14:20

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:20, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN3341

05:15

12:00

Effective 2026-03-07 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:45, 1-stop
Boeing 737 MAX 8 (7M8)

A domestic route departing from the Ontario, Los Angeles airport (ONT) and arriving at Saint Louis airport (STL).
The flight distance is 1542 miles, or 2481 km.
The timezone of the departure airport is UTC-8 , 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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