Direct flights from Washington Dulles to Louisville
21 nonstop flights a week on 1 airline. Zero layovers — one hop from IAD to SDF.
Flight time: about 1h16m nonstop
Which days does it fly?
When does it fly?
Departure times in Washington Dulles local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| United RPA3525 | 8:42a | 1h16m | Fri, Sun |
| United RPA3525 | 8:49a | 1h16m | Tue–Thu |
| United RPA3525 | 9:02a | 1h16m | Mon |
| United ASH3980 | 1:04p | 1h16m | Tue |
| United ASH3980 | 1:08p | 1h16m | Mon, Wed, Sun |
| United ASH3980 | 1:19p | 1h32m | Thu–Sat |
| United ASH6127 | 5:40p | 1h16m | Wed |
| United ASH6127 | 5:54p | 1h16m | Sun |
| United ASH6127 | 5:59p | 1h22m | Mon–Tue |
| United ASH6127 | 6:08p | 1h16m | Fri |
| United ASH6127 | 6:15p | 1h16m | Sat |
| United ASH6127 | 6:41p | 1h16m | Thu |
| United ASH3236 | 8:16p | 1h22m | Mon |
United
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The route
One hop: IAD → SDFDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Washington Dulles (IAD) to Louisville (SDF)
Washington Dulles International Airport (IAD) has 21 nonstop flights a week to Louisville (SDF), operated by United. No layovers, no connections — one hop out of IAD and you're there.
This route flies every day of the week, so any travel day works. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Washington Dulles to Louisville?
The nonstop flight from Washington Dulles (IAD) to Louisville (SDF) takes about 1h16m in the air, based on recently observed nonstop departures.
How long does it take to drive from Washington Dulles to Louisville?
Driving from Washington Dulles to Louisville takes about 8h 53m, covering roughly 568 miles. The nonstop flight takes about 1h16m.