Portland to St. Louis (PDX-STL): nonstop upgrade & award space

Alaska Airlines flies the PDX to STL nonstop about 7 times a week. In the timetable below it flies as AS 408, scheduled at 4h for the 1,704 miles. 2LNR checks confirmed upgrade and award space on Alaska Airlines flights on this route, so you can see which departures have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

Updated .

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7
Flights a week, 4-week average
4h
Scheduled flight time
1,704 mi
Nonstop distance
Free
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Portland to St. Louis flight schedule

Scheduled nonstop departures for PDX to STL starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Portland (PDX) to St. Louis (STL)
Date Flight Airline Departs PDX Arrives STL Duration Aircraft
AS 408Alaska Airlines, Inc.10:3716:374hBoeing 737-900
AS 408Alaska Airlines, Inc.10:3716:374hBoeing 737-900
AS 408Alaska Airlines, Inc.10:3716:374hBoeing 737-900
AS 408Alaska Airlines, Inc.10:3716:374hBoeing 737-900
AS 408Alaska Airlines, Inc.10:3716:374hBoeing 737-900
AS 408Alaska Airlines, Inc.10:3716:374hBoeing 737-900
AS 408Alaska Airlines, Inc.10:3716:374hBoeing 737-900

Showing all 7 scheduled PDX to STL departures across 7 days with service, starting October 22, 2026. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure.

See every PDX to STL date on the interactive map

Aircraft on the Portland to St. Louis nonstop

Alaska Airlines flies the Boeing 737-900 on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure.

Confirmed upgrade & award space on PDX to STL departures

2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for Portland to St. Louis to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade or award seats by date on the PDX to STL departures 2LNR tracks, checked against live inventory so you know what's open before you book.

Set an alert

Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking.

Plan on the map

See PDX to STL on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Portland to St. Louis nonstop

Carriers operating PDX to STL nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date.

See PDX to STL on the interactive map →

Frequently asked questions about PDX to STL

How long is the flight from Portland (PDX) to St. Louis (STL)?
AS 408 is scheduled at 4h from Portland (PDX) to St. Louis (STL) on every departure in the schedule table on this page. The nonstop covers about 1,704 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.
Which airlines fly nonstop from PDX to STL?
Alaska Airlines is currently the only airline flying PDX to STL nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines.
How many flights a week are there from PDX to STL?
About 7 nonstop flights a week run between Portland (PDX) and St. Louis (STL) in the current schedule, operated by Alaska Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from PDX to STL depart?
In the next 7 days with service, every scheduled PDX to STL nonstop leaves at 10:37 local time at Portland. The schedule table on this page lists each departure by date.
Which flights operate PDX to STL nonstop?
Alaska Airlines flies AS 408 nonstop from Portland (PDX) to St. Louis (STL), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft.
How do I check upgrade or award availability on PDX to STL?
Open the PDX to STL route on the interactive map or the matrix to see confirmed upgrade and award space by date on Alaska Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss PDX to STL upgrade or award space

See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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