Direct flights from Baltimore to Ontario

  • 8 flights a week
  • Southwest Airlines

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When the nonstops leave

Typical weekly schedule · 8 flights per week · Updated 86d ago

Morning before noon 3 a week

Arrive the same day

9:50 AMTue, Wed 10:00 AMSat
Afternoon noon – 6 PM 1 a week

Arrive the same day

1:40 PMSun
Evening after 6 PM 4 a week

Arrive the same day

8:10 PM4 days a week
Southwest Airlines Arrives Terminal 4

More nonstops from Baltimore

BWI → LAX Los Angeles 2 airlines BWI → SFO San Francisco 2 airlines BWI → TPA Tampa 2 airlines BWI → AUS Austin BWI → BDL Hartford BWI → BNA Nashville BWI → DAL Dallas BWI → HOU Houston ONT → BWI The return trip BWI All nonstops from Baltimore ONT All nonstops from Ontario

Frequently asked questions

Is there a direct flight from Baltimore to Ontario?

Yes. Southwest Airlines flies nonstop from Baltimore (BWI) to Ontario (ONT), daily. The flight takes about 5h 12m and covers 2,278 miles (3,666 km). Schedule data from 26 July 2026.

Which airlines fly direct from Baltimore to Ontario?

Southwest Airlines operates nonstop flights from Baltimore to Ontario.

How long is the flight from Baltimore to Ontario?

The nonstop flight from Baltimore to Ontario takes ~5h 12m (approximately 3666 km).

How often do direct flights operate from Baltimore to Ontario?

Nonstop flights from Baltimore to Ontario operate daily — 8 flights per week.

What days of the week are there direct flights from Baltimore to Ontario?

Direct flights from Baltimore to Ontario operate every day of the week.