Direct flights from Ontario to Baltimore
- 7 flights a week
- Southwest Airlines
🔔 Track this route
We check ONT → BWI every day and email you the cheapest nonstop fares we find.
Free · one-click unsubscribe
When the nonstops leave
Typical weekly schedule · 7 flights per week · Updated 90d ago
Most leave in the evening.
No nonstop leaves before noon.
No nonstop leaves between noon and 6 PM.
Arrive the next morning
9:40 PM
Southwest Airlines
Departs Terminal 4
Frequently asked questions
Is there a direct flight from Ontario to Baltimore?
Yes. Southwest Airlines flies nonstop from Ontario (ONT) to Baltimore (BWI), daily. The flight takes about 5h 12m and covers 2,278 miles (3,666 km). Schedule data from 21 July 2026.
Which airlines fly direct from Ontario to Baltimore?
Southwest Airlines operates nonstop flights from Ontario to Baltimore.
How long is the flight from Ontario to Baltimore?
The nonstop flight from Ontario to Baltimore takes ~5h 12m (approximately 3666 km).
How often do direct flights operate from Ontario to Baltimore?
Nonstop flights from Ontario to Baltimore operate daily — 7 flights per week.
What days of the week are there direct flights from Ontario to Baltimore?
Direct flights from Ontario to Baltimore operate every day of the week.