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

STL Airport Page →
1,704 mi airlines 7/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 27m ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
AS337
AS Alaska
7M9
5:33 PM
CDT T1
7:50 PM
PDT
4h 17m
—
M T W T F S S
Prices
✓
←
AS338
AS Alaska
7M9
10:37 AM
PDT
4:37 PM
CDT
4h
—
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
St Louis to Portland
1 carrier, 7 flights/week nonstop.
1 Airlines 7 Flights/wk 1,704 mi 4h 17m nonstop -2h behind 83 1-stop hubs

STL–PDX is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 1,704 miles in approximately 4h 17m. Beyond nonstop, 83 hubs offer 1-stop connections.

Also explore STL Routes PDX Routes STL Live Flights PDX Live Flights STL Delays PDX Delays
Carriers on this route

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 7M9 4h17 79% Oneworld –
Aircraft on this route
7M9 Boeing 737 MAX 9 – AS
Alliance coverage
Oneworld: AS (7 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

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
1
flight
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
7
Outbound / wk
7
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for STL to PDX.
1-STOP
One-Stop Connections
83
Hubs
~4h
Fastest
~30h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,149
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.
Know before you go

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 17m.
Facts

STL–PDX Quick Facts

Key statistics for the St Louis to Portland route.
Route details
Distance1,704 mi / 2,742 km
Flight time4h 17m
Time difference-2 hours
Airlines (nonstop)1
Weekly flights7 out / 7 return
1-stop connections83 hubs
Origin: STL
Full nameSt. Louis Lambert International Airport
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m
Destination: PDX
Full namePortland International Airport
IATA / ICAOPDX / KPDX
TimezoneAmerica/Los_Angeles
Passengers/yr17.3M
Elevation31 ft / 9 m
FAQ

Frequently Asked Questions

Common questions about STL to PDX flights.
Nonstop flights from St. Louis Lambert International Airport to Portland International Airport take approximately 4h 17m. The route covers 1,704 miles.
1 airline operates nonstop service: Alaska Airlines.
There are approximately 7 nonstop flights per week from STL to PDX. The return direction has about 7 weekly flights.
Yes, 1-stop connections are available through ICT, MKC, BFI, EGE, APA, ASE, YWG, BOI, DSM, BLI, CMH, OKC, SUN, AFW, VNY, BZN, PIT, UDD, RNO, SAT, BIF, SJC, RDU, ELP, FCA, MSN, HOU, TUS, SCF, TEB, SBA, CVG, ONT, PDK, PSP, SNA, OGD, BUR, GRR, FXE, MLB, PBI, TPA, DTW, ABQ, PVR, FLL, CUN, MCI, BNA, SJD, IAD, ATL, CLT, MIA, IAH, BWI, HND, KOA, LAX, DFW, SEA, ORD, PHX, DEN, SFO, MDW, LAS, SAN, SLC, EWR, SMF, SBD, AUS, PHL, MSP, MCO, DAL, LHR, BOS, MSY, DCA and JFK. These options provide additional schedule flexibility.
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. With 7 weekly departures, this is a regularly served route.

STL to PDX Flight Duration and Schedule

Nonstop flight time from STL to PDX ranges from 4 hours 17 minutes. The route covers a distance of 1,704 miles (2,742 km). There are approximately 7 weekly flights outbound and 7 return, totaling 14 flights per week in both directions.

Connecting Options and Alternatives

83 one-stop connections are available, with the fastest taking approximately 4 hours via ICT. Two-stop connections are also available via intermediate hubs.