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

Alaska Airlines flies the PDX to STL nonstop about 7 times a week. Alaska Airlines sets the rhythm here, a few flights a day with a small premium cabin on each, so a date with open space is worth acting on the day you see it. 2LNR tracks confirmed upgrade and award space on Alaska Airlines, on every PDX to STL departure, so you know which flights have space before you book.

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

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7
Nonstop flights a week
1,704 mi
Nonstop distance
Free
To get started

Portland to St. Louis flight schedule

Scheduled nonstop departures for PDX to STL, last checked against our schedule feed on September 6, 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 1318Alaska Airlines, Inc.11:1617:103h 54m73J
AS 1318Alaska Airlines, Inc.11:1617:103h 54m73J
AS 1318Alaska Airlines, Inc.11:1617:103h 54m73J
AS 1318Alaska Airlines, Inc.11:1617:103h 54m73J
AS 1318Alaska Airlines, Inc.11:1617:103h 54m7M9
AS 1318Alaska Airlines, Inc.11:1617:103h 54m73H
AS 1318Alaska Airlines, Inc.11:1617:103h 54m7M8

Showing all 7 scheduled PDX to STL departures across the next 7 days with service. 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 has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every PDX to STL date on the interactive map

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 and award seats on each PDX to STL departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are 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. 2LNR tracks confirmed upgrade and award space on each of them.

See PDX to STL on the interactive map →

Frequently asked questions about PDX to STL

How far is St. Louis from Portland?
PDX to STL covers about 1,704 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
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 and St. Louis 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 11:16 local time at Portland. The schedule table on this page lists each departure by date.
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 is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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