Nonstop route
Santa Ana to Chicago nonstop
Yes — United and American fly SNA to ORD nonstop year-round — about 6× daily.
SNASanta Ana
✈
ORDChicago
6× daily40.6 flights a week
Year-round40.6/wk Jun vs 38.8/wk Jan
$175–$350typical one-way · median $225
1,726miles nonstop
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Fares are what people actually paid: half of the 4,856 tickets in the US DOT fare survey for this route sold between $175 and $350 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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