Portland (PDX) to St Louis (STL)
Flight time
≈ 4h 12m
Bearing
95° E
Portland (PDX) to St Louis (STL) is 1,704 miles (2,742 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies PDX–STL
Filed traffic dataIn July 2026, Alaska Airlines operated the most departures, one of 2 carriers flying nonstop PDX–STL; the Boeing 737-900ER was the most common aircraft at 37% of departures; flights ran 82% full.
Departures
75
July 2026
Seats
13,120
both directions
Passengers
10,701
both directions
Load factor
81.6%
RPM ÷ ASM
Who flies PDX–STL?
Alaska Airlines operated the most nonstop PDX–STL departures in July 2026 (59), one of 2 carriers on the route.
- AS
59 departures · 10,434 seats
Share of departures78.7%78.2%
Load
- WN
16 departures · 2,686 seats
Share of departures21.3%94.8%
Load
What plane flies PDX–STL?
In July 2026, the Boeing 737-900ER flew 37% of PDX–STL departures — more than any other aircraft type.
- Boeing 737-900ER
28 departures · 79.9% load
37.3% - Boeing 737 MAX 9
27 departures · 76.0% load
36.0% - Boeing 737-800
11 departures · 90.9% load
14.7% - Boeing 737 MAX 8
6 departures · 93.3% load
8.0% - Boeing 737-700
3 departures · 94.9% load
4.0%
How has PDX–STL traffic changed?
Nonstop PDX–STL departures rose from 20 in August 2025 to 75 in July 2026.
Monthly nonstop PDX–STL traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
20 departures · 2,896 passengers
92.9%
Load
September 2025
16 departures · 2,344 passengers
92.1%
Load
October 2025
0 departures · 0 passengers
—
Load
November 2025
1 departures · 78 passengers
44.6%
Load
December 2025
0 departures · 0 passengers
—
Load
January 2026
0 departures · 0 passengers
—
Load
February 2026
0 departures · 0 passengers
—
Load
March 2026
0 departures · 0 passengers
—
Load
April 2026
0 departures · 0 passengers
—
Load
May 2026
38 departures · 5,227 passengers
77.7%
Load
June 2026
76 departures · 11,365 passengers
85.9%
Load
July 2026
75 departures · 10,701 passengers
81.6%
Load
By direction
Each direction is filed separately — they rarely match.
STL → PDX
80.2% full
38 departures · 5,378 passengers
PDX → STL
83.0% full
37 departures · 5,323 passengers
Nonstop PDX–STL traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Portland (PDX) from St Louis (STL)?
PDX to STL is 1,704 miles (2,742 km / 1,481 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from PDX to STL?
A nonstop covers the 1,704-mile great-circle distance in roughly 4h 12m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies PDX–STL?
In July 2026, the Boeing 737-900ER flew the largest share of departures (37.3%), followed by the Boeing 737 MAX 9 (36.0%).
What mileage do I earn flying PDX–STL?
Distance-based programs credit off the 1,704-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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