Nonstop route
Houston to Washington nonstop
Yes — Southwest flies HOU to DCA nonstop year-round — about 3× daily.
HOUHouston
✈
DCAWashington
3× daily21 flights a week
Year-round21/wk Jun vs 19.4/wk Jan
$150–$300typical one-way · median $175
1,218miles nonstop
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Fares are what people actually paid: half of the 1,993 tickets in the US DOT fare survey for this route sold between $150 and $300 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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