Nonstop route
Raleigh/Durham to Chicago nonstop
Yes — United, American and Frontier fly RDU to ORD nonstop year-round — about 10× daily.
RDURaleigh/Durham
✈
ORDChicago
10× daily72.6 flights a week
Year-round72.6/wk Jun vs 48.8/wk Jan
$125–$300typical one-way · median $175
646miles nonstop
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Fares are what people actually paid: half of the 4,312 tickets in the US DOT fare survey for this route sold between $125 and $300 one way, median $175. 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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