Direct flights from St. Louis to Washington
12 nonstop flights a week on 1 airline. Zero layovers — one hop from STL to IAD.
Flight time: about 1h34m nonstop
Which days does it fly?
When does it fly?
Departure times in St. Louis local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| United GJS4506 | 8:29a | 1h34m | Wed |
| United GJS4506 | 8:51a | 1h26m | Mon, Sun |
| United GJS4506 | 9:26a | 1h34m | Thu |
| United GJS4506 | 10:04a | 1h34m | Tue |
| United GJS4506 | 11:26a | 1h34m | Fri |
| United GJS4454 | 1:18p | 1h40m | Tue, Sun |
| United GJS4454 | 1:35p | 1h47m | Fri |
| United GJS4454 | 2:39p | 1h34m | Sat |
| United GJS4454 | 4:12p | 1h34m | Wed |
| United GJS4454 | 4:52p | 1h34m | Mon |
United
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The route
One hop: STL → IADDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from St. Louis (STL) to Washington (IAD)
St. Louis Lambert International Airport (STL) has 12 nonstop flights a week to Washington (IAD), operated by United. No layovers, no connections — one hop out of STL 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 St. Louis to Washington?
The nonstop flight from St. Louis (STL) to Washington (IAD) takes about 1h34m in the air, based on recently observed nonstop departures.