Nonstop route
Dulles to Detroit nonstop
Yes — Delta flies IAD to DTW nonstop year-round — about 4× daily.
IADDulles
✈
DTWDetroit
4× daily27.5 flights a week
Year-round27.5/wk Jun vs 18.1/wk Jan
$125–$275typical one-way · median $175
383miles nonstop
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Fares are what people actually paid: half of the 1,709 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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