Nonstop route
Washington to Milwaukee nonstop
Yes — Southwest flies DCA to MKE nonstop year-round — about 4× daily.
DCAWashington
✈
MKEMilwaukee
4× daily25.4 flights a week
Year-round25.4/wk Jun vs 23.3/wk Jan
$150–$275typical one-way · median $175
634miles nonstop
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Fares are what people actually paid: half of the 1,699 tickets in the US DOT fare survey for this route sold between $150 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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