Alaska Airlines Plans Non-Stop Service To Portland From STL
Alaska Airlines expands STL’s footprint in the Pacific Northwest
ST. LOUIS, MO (Oct. 25, 2025): Beginning in May of 2026, Alaska Airlines will start non-stop service from St. Louis Lambert International Airport (STL) to Portland International Airport (PDX). This direct service to PDX is the airlines second destination from STL to the Pacific Northwest. The airline already provides non-stop service to Seattle, Washington. It also provides annual seasonal service to Puerto Vallarta, Mexico between January and April.
For the service to Portland, Oregon, Alaska Airlines will operate a daily flight into and out of STL, seven days a week. This service will initially operate from mid-May (May 13, 2026) to early October (October 2, 2026).
This flight will operate using the airline’s 737-9 Max. The airline has been operating at STL since 2013.
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About STL
St. Louis Lambert International Airport (STL) is the primary commercial airport for the St. Louis metro area and parts of eastern Missouri and southern Illinois serving 15.6 million passengers annually. STL is an Enterprise Fund Department of the City of St. Louis. It is wholly supported by airport user charges. No general fund revenues are used for the operation, administration, promotion or maintenance of airport facilities.