Direct flights from Portland to St Louis
9 nonstop flights a week on 2 airlines. Zero layovers — one hop from PDX to STL.
Flight time: about 3h26m nonstop
Which days does it fly?
When does it fly?
Departure times in Portland local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Southwest SWA400 | 10:10a | 3h23m | Sat |
| Alaska ASA1318 | 11:28a | 3h30m | Mon, Tue, Thu, Fri |
| Alaska ASA1318 | 11:36a | 3h28m | Wed, Sat, Sun |
| Southwest SWA3199 | 12:38p | 3h18m | Sun |
SouthwestThe route
One hop: PDX → STLDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Portland (PDX) to St Louis (STL)
Portland International Airport (PDX) has 9 nonstop flights a week to St Louis (STL), operated by Alaska and Southwest. No layovers, no connections — one hop out of PDX 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 Portland to St Louis?
The nonstop flight from Portland (PDX) to St Louis (STL) takes about 3h26m in the air, based on recently observed nonstop departures.