Flight Ontario(ONT) to St. Louis(STL)
CHANGE DIRECTION
| LA/Ontario International Airport | St. Louis Lambert International Airport |
|---|---|
| ONT : Ontario , United States | STL : St. Louis , United States |
| UTC-7(DST) | UTC-5(DST) |
Ontario to St. Louis Flights
Find updated flight schedules,timetable, Map, Transfer for routes from Ontario (ONT) to St. Louis (STL).
Flight Schedules Ontario to St. Louis
This route is operated by Southwest Airlines. This is the first direct flight from Ontario to St. Louis.
| Flight No. | Departure Time | Arrival Time | Duration | Airfare |
|---|---|---|---|---|
| WN2471 | 14:15 | 21:30 | 5h15m | Trip.com PRICES HIS Prices Expedia PRICES skyticket PRICES |
Flight schedules as of September 01, 2025, 06:53 AM(OAG data). Schedules may change without notice, so please check with airlines before booking. Refer to FlyTeam's terms of use before proceeding. Some airlines and flight numbers may not be displayed.
Flight Route Information
Flight route information for Ontario to St. Louis.
Ontario to St. Louis Map
LA/Ontario International Airport
St. Louis Lambert International Airport
Transfer / Cities with One-Stop Flights
This list shows cities where you can connect for one-stop flights between Ontario and St. Louis. Direct flights operate on each segment, with the shortest flight durations listed. This is a great resource for travelers planning multi-city itineraries.
| Las Vegas (LAS) | ||||
|---|---|---|---|---|
| ONT | 60分 | LAS | 3h5m | STL |
| 60分 | 3h25m | |||
| Phoenix (PHX) | ||||
| ONT | 1h10m | PHX | 2h45m | STL |
| 1h10m | 3h10m | |||
| Denver (DEN) | ||||
| ONT | 2h10m | DEN | 1h56m | STL |
| 2h15m | 2h15m | |||
| Salt Lake City (SLC) | ||||
| ONT | 1h43m | SLC | 2h45m | STL |
| 1h44m | 3h5m | |||
| Dallas (DFW) | ||||
| ONT | 2h47m | DFW | 1h39m | STL |
| 2h51m | 1h48m | |||
| Love Field (DAL) | ||||
| ONT | 2h45m | DAL | 1h38m | STL |
| 3h5m | 1h33m | |||
| Austin (AUS) | ||||
| ONT | 2h40m | AUS | 2h0m | STL |
| 3h0m | 2h0m | |||
| Midway (MDW) | ||||
| ONT | 3h45m | MDW | 1h10m | STL |
| 4h10m | 1h5m | |||
| Chicago (ORD) | ||||
| ONT | 3h51m | ORD | 1h14m | STL |
| 4h30m | 1h16m | |||
| Houston (IAH) | ||||
| ONT | 2h57m | IAH | 1h57m | STL |
| 3h18m | 2h9m | |||
FAQ : Ontario to St. Louis
- Which airlines operate at from Ontario(ONT) to St. Louis(STL)?
- Currently, this route is served by Southwest Airlines (Japanese). You can check flight schedules for this route at Ontario to St. Louis Flight Schedules and St. Louis to Ontario Flight Schedules
- What is the time difference between Ontario to St. Louis?
- The time difference between LA/Ontario International Airport(Ontario) and St. Louis Lambert International Airport(St. Louis) is +2 hours. St. Louis is 2 hours ahead of Ontario.Ontario is currently observing daylight saving time (DST) from March 9, 2025 to November 2, 2025.St. Louis is currently observing daylight saving time (DST) from March 9, 2025 to November 2, 2025.