Nonstop flights from Washington to Louisville
United Airlines flies this route 2 to 3 times a day.
IADWashington Dulles International
451 mi · 19 flights a week
SDFLouisville Muhammad Ali International
When they leave
Washington time8:35a5:25pFirst departure 8:35 AM, last 5:25 PM
One morning flight at 8:35 AM, then one afternoon flight at 12:50 PM, then one evening flight at 5:25 PM.
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Schedules last checked Sep 19, 2026. Times are local.
Flying from Washington to Louisville
United Airlines is the only airline flying nonstop from Washington to Louisville, 2 to 3 times a day on the Embraer 175.
There are 2 or 3 flights every day of the week. The first arrival in Louisville is at 10:18 AM and the last at 7:15 PM. The flight covers 451 miles.
Flying back, Louisville to Washington has 19 nonstop flights a week. Ronald Reagan Washington National (DCA) and Baltimore (BWI) also have nonstop flights to Louisville, 19 and 18 a week.
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Find the cheapest day to fly from Washington to Louisville.
Schedules as of Oct 9, 2026.