Nonstop route
Dulles to Louisville nonstop
Yes — Republic flies IAD to SDF nonstop in the summer season only — about daily.
IADDulles
✈
SDFLouisville
daily14 flights a week
Summer only14/wk Jun vs 0/wk Jan
$125–$275typical one-way · median $175
451miles nonstop
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Fares are what people actually paid: half of the 650 tickets in the US DOT fare survey for this route sold between $125 and $275 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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