Nonstop route
Chicago to Buffalo nonstop
Yes — United and American fly ORD to BUF nonstop year-round — about 7× daily.
ORDChicago
✈
BUFBuffalo
7× daily47.6 flights a week
Year-round47.6/wk Jun vs 35/wk Jan
$150–$300typical one-way · median $200
474miles nonstop
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Fares are what people actually paid: half of the 1,206 tickets in the US DOT fare survey for this route sold between $150 and $300 one way, median $200. 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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