Nonstop route
Salt Lake City to Ontario nonstop
Yes — Delta and Frontier fly SLC to ONT nonstop year-round — about 4× daily.
SLCSalt Lake City
✈
ONTOntario
4× daily26.4 flights a week
Year-round26.4/wk Jun vs 20.3/wk Jan
$150–$325typical one-way · median $225
558miles nonstop
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Fares are what people actually paid: half of the 1,005 tickets in the US DOT fare survey for this route sold between $150 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.
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