Nonstop route
Chicago to San Diego nonstop
Yes — United, American and Alaska fly ORD to SAN nonstop year-round — about 13× daily.
ORDChicago
✈
SANSan Diego
13× daily88 flights a week
Year-round88/wk Jun vs 55.3/wk Jan
$175–$350typical one-way · median $225
1,723miles nonstop
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Fares are what people actually paid: half of the 5,897 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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