St Louis (STL) → Portland (PDX)
Alaska Airlines and Southwest Airlines operate nonstop flights from St Louis (STL) to Portland (PDX). The nonstop flight takes around ~3h 26m, covering 1,704 miles (2,742 km) and operates daily. Updated 1 June 2026.
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Alaska Airlines
AS
Southwest Airlines
WN
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Frequently asked questions
Is there a direct flight from St Louis to Portland?
Yes, Alaska Airlines and Southwest Airlines operate nonstop flights from St Louis (STL) to Portland (PDX).
Which airlines fly direct from St Louis to Portland?
Alaska Airlines, Southwest Airlines operate nonstop flights from St Louis to Portland.
How long is the flight from St Louis to Portland?
The nonstop flight from St Louis to Portland takes ~3h 26m (approximately 2742 km).
How often do direct flights operate from St Louis to Portland?
Nonstop flights from St Louis to Portland operate daily.