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Direct flights from Portland to Saint Louis

Airlines Schedules

PDX - STL route map All flights from PDX to STL non-stop. There are direct flights from Portland International (PDX), Oregon, USA to Saint Louis Airport (STL), Missouri, USA with Alaska Airlines and Southwest Airlines. 9 weekly departures are currently scheduled on this route. Departure times range from 08:20 to 12:25 depending on the schedule period. The flight distance is 1713 miles (2756 km). Flight time ranges from 3 hours and 40 minutes to 4 hours.

PDX
Portland
USAPortland , USA
STL
Saint Louis Airport
USASaint Louis , USA
PDX
Portland
USAPortland , USA
Saint Louis Airport
USASaint Louis , USA
STL
Flight time 3h 40min to 4h 0min
Updated Jun 29, 2026
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Airlines with non-stop routes:

Alaska Airlines oneworld

Departure times vary between 10:37 and 11:16
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
7 flights/week
7 flights/week

Southwest Airlines Low-cost carrier

Departure times vary between 08:20 and 12:25
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
2 flights/week
2 flights/week
Weekday-labels: HAS FLIGHTS UPCOMING NO FLIGHTS
View all flight dates
Flight schedule from Portland to Saint Louis with Alaska Airlines

This is a weekly direct flight schedule for Alaska Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
AS1635
10:49
10:49
10:49
10:49
10:49
10:49
10:49

The timetable & schedule information was updated at 2026-06-29

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Flight schedule from Portland to Saint Louis with Southwest Airlines

This is a weekly direct flight schedule for Southwest Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
WN2031
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----
----
----
----
08:20
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WN2124
----
----
----
----
----
----
10:00

The timetable & schedule information was updated at 2026-06-29

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CHECK PRICES
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Portland to Saint Louis scheduled departures

Select a date to see every published non-stop departure between PDX and STL.

Saturday
Sat
Jul 25
2 flights(2)
Sunday
Sun
Jul 26
2 flights(2)
Monday
Mon
Jul 27
1 flights(1)
Tuesday
Tue
Jul 28
1 flights(1)
Wednesday
Wed
Jul 29
1 flights(1)
Thursday
Thu
Jul 30
1 flights(1)
Friday
Fri
Jul 31
1 flights(1)
Time
Airline
Flight
08:20
Southwest Airlines Southwest Airlines
WN2031
10:49
Alaska Airlines Alaska Airlines
AS1635
10:00
Southwest Airlines Southwest Airlines
WN2124
10:49
Alaska Airlines Alaska Airlines
AS1635
10:49
Alaska Airlines Alaska Airlines
AS1635
10:49
Alaska Airlines Alaska Airlines
AS1635
10:49
Alaska Airlines Alaska Airlines
AS1635
10:49
Alaska Airlines Alaska Airlines
AS1635
10:49
Alaska Airlines Alaska Airlines
AS1635
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PDX-STL flight route
Route map from Portland, PDX to Saint Louis, STL. The distance is 1713 miles or 2756 km.
Portland - Saint Louis direct flight map
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PDX - STL route facts

  • Distance
    1713 miles (2756 km)
  • Flight time
    3 hours and 40 minutes to 4 hours
  • Airlines
    Alaska Airlines Alaska Airlines
    Southwest Southwest
  • Airline alliances
    oneworld Low-cost carrier
  • Cabins
    Economy Business First
  • Hub airports
    Alaska Airlines: PDX
  • Arrival terminals
    Alaska Airlines: Terminal 1
    Southwest Airlines: Terminal 2
  • Aircraft
    Alaska Airlines: Boeing 737-900 (winglets) Passenger/BBJ3, Boeing 737MAX 9 Passenger, Boeing 737-800 (winglets) Passenger/BBJ2 and Boeing 737MAX 8 Passenger
    Southwest Airlines: Boeing 737-700 Passenger (Scimitar Winglets) , Boeing 737MAX 8 Passenger and Boeing 737-800 (winglets) Passenger/BBJ2

Route FAQ

Alaska Airlines and Southwest Airlines operate non-stop flights from PDX to STL with 9 weekly departures.

Scheduled flight time from PDX to STL ranges from 3 hours and 40 minutes to 4 hours. The route covers 1713 miles (2756 km).

9 weekly departures are currently scheduled on this route, with published departure times ranging from 08:20 to 12:25 depending on the schedule period.

Arrival terminals: Alaska Airlines: Terminal 1 and Southwest Airlines: Terminal 2.

Economy, Business and First are currently scheduled on non-stop flights for this route.
Direct flights from Portland to MO, USA
From Portland to Kansas City

MCI Kansas City International Airport
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