Nonstop route
Baltimore to Ontario nonstop
Yes — Southwest flies BWI to ONT nonstop in the summer season only — about daily.
BWIBaltimore
✈
ONTOntario
daily7 flights a week
Summer only7/wk Jun vs 0.9/wk Jan
$175–$325typical one-way · median $225
2,283miles nonstop
Affiliate disclosure
Ready to compare fares?
Fares are what people actually paid: half of the 176 tickets in the US DOT fare survey for this route sold between $175 and $325 one way, median $225. That survey runs a couple of quarters behind, so treat it as the shape of the route's pricing rather than today's quote.
Nonstop Scout may earn revenue from outbound flight-search links.