St Louis to Portland (STL–PDX) — Airlines, Schedules & Connections

STL Airport Page →
1,704 mi airlines charter/private 10/wk
On-time Some delays Frequent delays
Flight Schedule 9 flights Verified 2h ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
WN2266
WN Southwest
73H
2:15 PM
CDT T2
4:20 PM
PDT
4h 5m
55%
M T W T F S S
Prices
WN2109
WN Southwest
738
4:45 PM
CDT T2
6:50 PM
PDT
4h 5m
55%
M T W T F S S
Prices
WN2499
WN Southwest
738
5:35 PM
CDT T2
7:40 PM
PDT
4h 5m
55%
M T W T F S S
Prices
AS1538
AS Alaska
B39M
5:37 PM
CDT T1
7:47 PM
PDT
4h 10m
M T W T F S S
Prices
WN2031
WN Southwest
737
8:20 AM
PDT
2:00 PM
CDT
3h 40m
M T W T F S S
Prices
WN2124
WN Southwest
738
10:00 AM
PDT
3:40 PM
CDT
3h 40m
M T W T F S S
Prices
WN2512
WN Southwest
73H
10:05 AM
PDT
3:45 PM
CDT
3h 40m
M T W T F S S
Prices
AS338
AS Alaska
B39M
10:37 AM
PDT
4:37 PM
CDT
4h
41%
M T W T F S S
Prices
AS1635
AS Alaska
7M9
10:49 AM
PDT
4:37 PM
CDT
3h 48m
41%
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
MCI Kansas City 5h 41m WN ASWN Kansas City (MCI) to Portland flights
DEN Denver 5h 48m ACF9UA ASCMF9 Denver (DEN) to Portland flights
SLC Salt Lake City 5h 50m DLKELXJ AMASDL Salt Lake City (SLC) to Portland flights
MSP Minneapolis 6h 11m AFDLKE AFAMAS Minneapolis (MSP) to Portland flights
MDW Chicago 6h 19m WN WN Chicago (MDW) to Portland flights
SEA Seattle 6h 21m ASJLQR AMASAY Seattle (SEA) to Portland flights
LAS Las Vegas 6h 31m F9WNY4 ASF9KE Las Vegas (LAS) to Portland flights
PHX Phoenix 6h 40m AAASWN AAASPD Phoenix (PHX) to Portland flights
ORD Chicago 6h 44m AAACAS AAACAS Chicago (ORD) to Portland flights
DFW Dallas-Fort Worth 6h 48m AAASAY AAASAY Dallas-Fort Worth (DFW) to Portland flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
St Louis to Portland
2 carriers, 10 flights/week nonstop.
2 Airlines 1,704 mi 4h 5m nonstop -2h behind

STL–PDX is served by 2 airlines with nonstop service. Alaska Airlines and Southwest Airlines lead the route. The flight covers 1,704 miles in approximately 4h 5m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop STL–PDX service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 7 B39M 4h10 67% Oneworld
WN Southwest Airlines 3 738, 73H 4h05 67%
Aircraft on this route
738 Boeing 737-800 – WN
73H Boeing 737-800 (Winglets) – WN
B39M Boeing 737 MAX 9 – AS
Alliance coverage
Oneworld: AS (7 flights/wk, 70%)
Unaffiliated: WN (3 flights/wk, 30%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, STL to PDX direction.
Mon
1
flight
Tue
1
flight
Wed
1
flight
Thu
1
flight
Fri
1
flight
Sat
3
flights
Sun
2
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
4
Nonstop flights
10
Outbound / wk
13
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for STL to PDX.
1-STOP
One-Stop Connections
56
Hubs
~4h
Fastest
~23h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,312
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
STL → PDX
67%
Moderate delays possible. Allow buffer time.
Departing
67%
Arriving
77%
Return
PDX → STL
85%
Generally reliable. Most flights run on time.
Departing
85%
Arriving
63%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. STL delays → PDX delays →

Travel Essentials

Practical planning for this route.
Time Difference
-2h
Portland is 2 hours behind St Louis.
STL: CDT · PDX: PDT

When it's 6:00 PM in St Louis, it's 4:00 PM in Portland.
Distance & Flight Time
1,704 mi / 2,742 km
Nonstop flight time is approximately 4h 5m gate to gate.

STL–PDX Quick Facts

Key statistics for the St Louis to Portland route.
Route details
Distance1,704 mi / 2,742 km
Flight time4h 5m
Time difference-2 hours
Airlines (nonstop)2
Weekly flights10 out / 13 return
1-stop connectionsAvailable
Origin: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m
Destination: PDX
IATA / ICAOPDX / KPDX
TimezoneAmerica/Los_Angeles
Passengers/yr17.3M
Elevation31 ft / 9 m

Frequently Asked Questions

Common questions about STL to PDX flights.
Nonstop flights from St. Louis Lambert International Airport to Portland International Airport take about 4h 5m gate to gate. The route covers 1,704 miles.
2 airlines operate flights from STL to PDX: Alaska Airlines and Southwest Airlines.
This route has daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Kansas City, Denver and Salt Lake City.
Portland is 2 hours behind St Louis.
Yes, return flights from PDX to STL are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from STL to PDX

St. Louis Lambert International Airport (STL) and Portland International Airport (PDX) are connected by nonstop service from Alaska Airlines and Southwest Airlines. With 10 weekly departures, this is a regularly served route.

STL to PDX Flight Duration and Schedule

Nonstop flight time from STL to PDX is about 4 hours 5 minutes gate to gate. The route covers a distance of 1,704 miles (2,742 km). There are approximately 10 weekly flights outbound and 13 return, totaling 23 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Kansas City, Denver and Salt Lake City. Two-stop connections are also available via intermediate hubs.