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

PDX Airport Page →
1,704 mi airlines charter/private 9/wk
On-time Some delays Frequent delays
Flight Schedule 6 flights Verified 36m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
WN400
Seat map
WN Southwest
7M8 Seat map
9:45 AM
PDT
3:30 PM
CDT
3h 45m
—
M T W T F S S
Prices
✓
→
AS1318
Seat map
AS Alaska
738 Seat map
11:16 AM
PDT
5:10 PM
CDT
3h 54m
37%
M T W T F S S
Prices
✓
→
WN3199
WN Southwest
7S7
12:25 PM
PDT
6:10 PM
CDT
3h 45m
—
M T W T F S S
Prices
✓
←
WN801
Seat map
WN Southwest
7M8 Seat map
8:30 AM
CDT T2
10:40 AM
PDT
4h 10m
74%
M T W T F S S
Prices
✓
←
AS1318
Seat map
AS Alaska
738 Seat map
6:08 PM
CDT T1
8:20 PM
PDT
4h 12m
—
M T W T F S S
Prices
✓
←
WN3543
Seat map
WN Southwest
7M8 Seat map
10:37 PM
CDT T2 Red-eye
12:44 AM+1
PDT
4h 7m
74%
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
DEN Denver 5h 15m ASCMF9 → F9UAWN Denver (DEN) to St Louis flights
MCI Kansas City 5h 19m ASWN → WN Kansas City (MCI) to St Louis flights
MSP Minneapolis 5h 43m AFAMAS → AFAMDL Minneapolis (MSP) to St Louis flights
SLC Salt Lake City 5h 48m AFAMAS → DLKE Salt Lake City (SLC) to St Louis flights
SEA Seattle 5h 57m AFAMAS → ASAYJL Seattle (SEA) to St Louis flights
MDW Chicago 5h 58m WN → WN Chicago (MDW) to St Louis flights
LAS Las Vegas 6h 5m ASDEEJA → EJAF9WN Las Vegas (LAS) to St Louis flights
SMF Sacramento 6h 5m ASDEFI → WN Sacramento (SMF) to St Louis flights
PHX Phoenix 6h 20m AAASDE → AAWN Phoenix (PHX) to St Louis flights
DFW Dallas-Fort Worth 6h 28m AAASAY → AAASAY Dallas-Fort Worth (DFW) to St Louis flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Portland to St Louis
2 carriers, 9 flights/week nonstop.
2 Airlines 1,704 mi 3h 45m nonstop +2h ahead

PDX–STL is served by 2 airlines with nonstop service. Alaska Airlines and Southwest Airlines lead the route. The flight covers 1,704 miles in approximately 3h 45m. Beyond nonstop, 1-stop connecting options are also available.

Also explore Choose a flight to see its seat map PDX Routes STL Routes PDX Live Flights STL Live Flights PDX Delays STL Delays
All flights from St Louis (STL) St Louis to Portland flights
Carriers on this route

Airline Landscape

All carriers operating nonstop PDX–STL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 7 738 3h54 83% Oneworld –
WN Southwest Airlines 2 7M8, 7S7 3h45 83% – –
Aircraft on this route
738 Boeing 737-800 – AS
7M8 Boeing 737 MAX 8 – WN
7S7 Boeing 737 MAX 7 – WN
Alliance coverage
Oneworld: AS (7 flights/wk, 78%)
Unaffiliated: WN (2 flights/wk, 22%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, PDX to STL direction.
Mon
1
flight
Tue
1
flight
Wed
1
flight
Thu
1
flight
Fri
1
flight
Sat
2
flights
Sun
2
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
3
Nonstop flights
9
Outbound / wk
9
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for PDX to STL.
1-STOP
One-Stop Connections
33
Hubs
~5h
Fastest
~43h
Longest
DEN ~5h 15m MCI ~5h 19m MSP ~5h 43m SLC ~5h 48m SEA ~5h 57m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,054
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.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
PDX → STL
83%
Generally reliable. Most flights run on time.
Departing
83%
Arriving
100%
Return
STL → PDX
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
42%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. PDX delays → STL delays →
Alternatives

Other ways to reach St Louis from Portland

Nearby airports with service to St. Louis Lambert International Airport.
Metric PDX→STL YKM→STL SEA→STL
Distance from PDX – 119 mi 129 mi
Nonstop airlines 2 1 7
Weekly flights 9 – 67
Flight time 3h 45m 3h 28m 3h 28m
Departure OTP 83% – –
Yakima (YKM) to St Louis flights · Seattle (SEA) to St Louis flights · Seattle (BFI) to St Louis flights
Airports within 200 miles of PDX with service to St. Louis Lambert International Airport.
Know before you go

Travel Essentials

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

When it's 6:00 PM in Portland, it's 8:00 PM in St Louis.
Distance & Flight Time
1,704 mi / 2,742 km
Nonstop flight time is approximately 3h 45m gate to gate.
Facts

PDX–STL Quick Facts

Key statistics for the Portland to St Louis route.
Route details
Distance1,704 mi / 2,742 km
Flight time3h 45m
Time difference+2 hours
Airlines (nonstop)2
Weekly flights9 out / 9 return
1-stop connectionsAvailable
Origin: PDX
Full namePortland International Airport
IATA / ICAOPDX / KPDX
TimezoneAmerica/Los_Angeles
Passengers/yr17.3M
Elevation31 ft / 9 m
Destination: STL
Full nameSt. Louis Lambert International Airport
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m
FAQ

Frequently Asked Questions

Common questions about PDX to STL flights.
Nonstop flights from Portland International Airport to St. Louis Lambert International Airport take about 3h 45m gate to gate. The route covers 1,704 miles.
2 airlines operate flights from PDX to STL: 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 Denver, Kansas City and Minneapolis–Saint Paul.
On a single ticket, yes. Your bags are checked through to STL and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
St Louis is 2 hours ahead of Portland.
Yes, return flights from STL to PDX are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include YKM, SEA and BFI. See the Alternatives section for a full comparison.
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 PDX to STL

Portland International Airport (PDX) and St. Louis Lambert International Airport (STL) are connected by nonstop service from Alaska Airlines and Southwest Airlines. With 9 weekly departures, this is a regularly served route.

PDX to STL Flight Duration and Schedule

Nonstop flight time from PDX to STL is about 3 hours 45 minutes gate to gate. The route covers a distance of 1,704 miles (2,742 km). There are approximately 9 weekly flights outbound and 9 return, totaling 18 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Denver, Kansas City and Minneapolis–Saint Paul. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Yakima (YKM), Seattle (SEA) and Seattle (BFI).