Nonstop route
Dulles to Boston nonstop
Yes — United flies IAD to BOS nonstop year-round — about 4× daily.
IADDulles
✈
BOSBoston
4× daily27.3 flights a week
Year-round27.3/wk Jun vs 23.5/wk Jan
$125–$250typical one-way · median $175
412miles nonstop
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Fares are what people actually paid: half of the 3,587 tickets in the US DOT fare survey for this route sold between $125 and $250 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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