Alaska
Oneworld
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United States
Lambert-Saint Louis International Airport
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United States
Portland International Airport
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Scan through all non-stop flights from St. Louis to Portland. The full flight schedule below gives an overview of all non-stop flights from STL to PDX, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
In Portland, the summers are known for being warm, long, and dry, with temperatures typically reaching about 30°C (86°F). The area’s breathtaking scenery complements the sun-filled lifestyle, making it a popular destination for visitors all year round who are looking for relaxation, fun by the water, and the beauty of the outdoors.
Portland is best explored from mid-spring to summer, specifically between April and September, as most rainfall occurs from October to February.
In total there are 2 airlines operating nonstop flights from St. Louis STL to Portland PDX. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their STL PDX flight schedule.
Flights from STL to PDX are operated 4 times a week, with an average of 1 flight per day. Departure times vary between 08:30 - 21:55. The earliest flight departs at 08:30, the last flight departs at 21:55. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from St. Louis to Portland takes 4 hours and 17 minutes. The flight distance between St. Louis and Portland is 1,703 miles (or 2,741 km).
There is 1 airport in Portland: Portland International Airport (PDX).
There are 4 flights per week flying from St. Louis to Portland (as of April 2026).
4 hours and 17 minutes is the average flight time from St. Louis to Portland.
The distance from St. Louis to Portland is 1,703 miles (2,741 kilometers).
Alaska and Southwest Airlines are flying nonstop from St. Louis to Portland.
Oneworld is currently the only alliance flying nonstop from St. Louis to Portland.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from St. Louis to Portland:
The earliest flight departs at 08:30 from St. Louis and arrives at 10:40 at Portland.
The latest flight departs at 21:55 from St. Louis and arrives at 00:05 at Portland.
1,703 miles (2,741 km) · 4h 17m
17:33
19:50
Alaska
Oneworld
AS 337
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
17:33
19:50
Alaska
Oneworld
AS 337
Alaska
Boeing 737 MAX 9
Y
W
J
F
17:33
19:50
Alaska
Oneworld
AS 337
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
17:33
19:50
Alaska
Oneworld
AS 337
Alaska
Boeing 737 MAX 9
Y
W
J
F
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