Nonstop route
Dulles to San Antonio nonstop
Yes — United flies IAD to SAT nonstop year-round — about daily.
IADDulles
✈
SATSan Antonio
daily13.1 flights a week
Year-round13.1/wk Jun vs 10.2/wk Jan
$150–$350typical one-way · median $225
1,362miles nonstop
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Fares are what people actually paid: half of the 1,453 tickets in the US DOT fare survey for this route sold between $150 and $350 one way, median $225. 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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