Direct flights from St. Louis to Portland
9 nonstop flights a week on 2 airlines. Zero layovers — one hop from STL to PDX.
Flight time: about 3h58m 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 |
|---|---|---|---|
| Southwest SWA801 | 8:33a | 3h50m | Sat |
| Alaska ASA1318 | 6:02p | 4h8m | Tue, Fri |
| Alaska ASA1318 | 6:08p | 4h2m | Wed, Sat |
| Alaska ASA1318 | 6:18p | 3h58m | Mon, Thu, Sun |
| Southwest SWA3543 | 10:41p | 3h43m | Sun |
SouthwestThe route
One hop: STL → PDXDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from St. Louis (STL) to Portland (PDX)
St. Louis Lambert International Airport (STL) has 9 nonstop flights a week to Portland (PDX), operated by Alaska and Southwest. 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 Portland?
The nonstop flight from St. Louis (STL) to Portland (PDX) takes about 3h58m in the air, based on recently observed nonstop departures.