--- title: "St. Louis (STL) to Portland (PDX) flights: who flies it" description: "Alaska Airlines flies nonstop from STL to PDX, about 7 flights a week, scheduled at 4h 17m. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/stl-pdx" url: "https://2lnr.com/routes/stl-pdx.md" date_modified: "2026-10-18T05:10:47Z" --- # St. Louis to Portland (STL-PDX): nonstop upgrade & award space Alaska Airlines flies the STL to PDX nonstop about 7 times a week. In the timetable below it flies as AS 409, scheduled at 4h 17m 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 October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 24, 2026. See STL to PDX on the interactive map [Get started free](https://2lnr.com/login) 7 Flights a week, 4-week average 4h 17m Scheduled flight time 1,704 mi Nonstop distance Free To get started ## St. Louis to Portland flight schedule Scheduled nonstop departures for STL to PDX starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from St. Louis (STL) to Portland (PDX) | Date | Flight | Airline | Departs STL | Arrives PDX | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, May 13 | AS 409 | Alaska Airlines, Inc. | 17:33 | 19:50 | 4h 17m | [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.md) | | Fri, May 14 | AS 409 | Alaska Airlines, Inc. | 17:33 | 19:50 | 4h 17m | Boeing 737-900 | | Sat, May 15 | AS 409 | Alaska Airlines, Inc. | 17:33 | 19:50 | 4h 17m | Boeing 737-900 | | Sun, May 16 | AS 409 | Alaska Airlines, Inc. | 17:33 | 19:50 | 4h 17m | Boeing 737-900 | | Mon, May 17 | AS 409 | Alaska Airlines, Inc. | 17:33 | 19:50 | 4h 17m | Boeing 737-900 | | Tue, May 18 | AS 409 | Alaska Airlines, Inc. | 17:33 | 19:50 | 4h 17m | Boeing 737-900 | | Wed, May 19 | AS 409 | Alaska Airlines, Inc. | 17:33 | 19:50 | 4h 17m | Boeing 737-900 | Showing all 7 scheduled STL to PDX departures across 7 days with service, starting October 23, 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 STL to PDX date on the interactive map ## Aircraft on the St. Louis to Portland nonstop Alaska Airlines flies the [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.md) 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 STL to PDX departures 2LNR tracks confirmed upgrade and award space on Alaska Airlines, segment by segment and date by date. Open the calendar for St. Louis to Portland 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 STL to PDX 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 STL to PDX on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying St. Louis to Portland nonstop Carriers operating STL to PDX nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [Alaska Airlines (AS) route map](https://2lnr.com/routes/airlines/as.md)\ [The aircraft AS flies](https://2lnr.com/seatmaps/as.md) See STL to PDX on the interactive map → ## Frequently asked questions about STL to PDX **How long is the flight from St. Louis (STL) to Portland (PDX)?** AS 409 is scheduled at 4h 17m from St. Louis (STL) to Portland (PDX) 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 STL to PDX?** Alaska Airlines is currently the only airline flying STL to PDX nonstop. 2LNR tracks confirmed upgrade and award space on Alaska Airlines. **How many flights a week are there from STL to PDX?** About 7 nonstop flights a week run between St. Louis (STL) and Portland (PDX) 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 STL to PDX depart?** In the next 7 days with service, every scheduled STL to PDX nonstop leaves at 17:33 local time at St. Louis. The schedule table on this page lists each departure by date. **Which flights operate STL to PDX nonstop?** Alaska Airlines flies AS 409 nonstop from St. Louis (STL) to Portland (PDX), 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 STL to PDX?** Open the STL to PDX 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. Flying the other way? See [PDX to STL upgrade and award space](https://2lnr.com/routes/pdx-stl.md). Award seats rather than schedules? See [Alaska Airlines award availability](https://2lnr.com/awards/as.md). Looking beyond this route? See [every route from St. Louis (STL)](https://2lnr.com/routes/stl.md), or [every route from Portland (PDX)](https://2lnr.com/routes/pdx.md). Nonstops from St. Louis (STL) to other airports within 150 miles of Portland (PDX): - [St. Louis (STL) to Seattle (SEA)](https://2lnr.com/routes/stl-sea.md), 129 miles from PDX Distances are great-circle between the airports, not driving distance. - [How Alaska upgrades clear](https://2lnr.com/about/as/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss STL to PDX 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. [Get started free](https://2lnr.com/login)