Direct flights from Ontario to Baltimore
7 nonstop flights a week on 1 airline. Zero layovers — one hop from ONT to BWI.
Flight time: about 4h37m nonstop
Which days does it fly?
When does it fly?
Departure times in Ontario local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Southwest SWA3143 | 9:49p | 4h34m | Tue, Fri, Sat, Sun |
| Southwest SWA3143 | 9:56p | 4h39m | Mon, Wed, Thu |
Southwest
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The route
One hop: ONT → BWIDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Ontario (ONT) to Baltimore (BWI)
Ontario International Airport (ONT) has 7 nonstop flights a week to Baltimore (BWI), operated by Southwest. No layovers, no connections — one hop out of ONT and you're there.
This route flies every day of the week, so any travel day works. Route data updated July 2026 from observed departures.
Route data updated July 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Ontario to Baltimore?
The nonstop flight from Ontario (ONT) to Baltimore (BWI) takes about 4h37m in the air, based on recently observed nonstop departures.
How long does it take to drive from Ontario to Baltimore?
Driving from Ontario to Baltimore takes about 38h 37m behind the wheel — roughly 2,610 miles, or about 4 days of real driving. The nonstop flight takes about 4h37m.