Alaska
Oneworld
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United States
Portland International Airport
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United States
Lambert-Saint Louis International Airport
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Scan through all non-stop flights from Portland to St. Louis. The full flight schedule below gives an overview of all non-stop flights from PDX to STL, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
St. Louis is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.
You can visit St. Louis any time of the year, but the best months to explore are from to and from to .
In total there are 2 airlines operating nonstop flights from Portland PDX to St. Louis STL. 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 PDX STL flight schedule.
Flights from PDX to STL are operated 4 times a week, with an average of 1 flight per day. Departure times vary between 08:20 - 12:25. The earliest flight departs at 08:20, the last flight departs at 12:25. 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 Portland to St. Louis takes 4 hours. The flight distance between Portland and St. Louis is 1,703 miles (or 2,741 km).
There is 1 airport in St. Louis: Lambert-Saint Louis International Airport (STL).
There are 4 flights per week flying from Portland to St. Louis (as of April 2026).
4 hours is the average flight time from Portland to St. Louis.
The distance from Portland to St. Louis is 1,703 miles (2,741 kilometers).
Alaska and Southwest Airlines are flying nonstop from Portland to St. Louis.
Oneworld is currently the only alliance flying nonstop from Portland to St. Louis.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Portland to St. Louis:
The earliest flight departs at 08:20 from Portland and arrives at 14:00 at St. Louis.
The latest flight departs at 12:25 from Portland and arrives at 18:10 at St. Louis.
1,703 miles (2,741 km) · 4h
10:37
16:37
Alaska
Oneworld
AS 338
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
10:37
16:37
Alaska
Oneworld
AS 338
Alaska
Boeing 737 MAX 9
Y
W
J
F
10:37
16:37
Alaska
Oneworld
AS 338
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
10:37
16:37
Alaska
Oneworld
AS 338
Alaska
Boeing 737 MAX 9
Y
W
J
F
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