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PDX to ALN: distance & flight time
Portland (Portland International Airport) → Alton/St Louis (St Louis Regional Airport)
1,715 mi
2,760 km · 1,490 nm
3h 50m
estimated nonstop flight time
—
time difference · heading east
See live PDX→ALN fares Phone-only fares on this route — call free
Flight time details
1,715 miles nonstop takes roughly 3h 50m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- PDX — Portland International Airport · Portland, United States
- ALN — St Louis Regional Airport · Alton/St Louis, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near PDX
- TTD · Portland Troutdale Airport10 mi away
- HIO · Portland Hillsboro Airport17 mi away
- KLS · Southwest Washington Regional Airport39 mi away
- SLE · Salem Municipal Airport/McNary Field51 mi away
Near ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Frequently asked questions
How far is PDX from ALN?
The flight distance from Portland (PDX) to Alton/St Louis (ALN) is 1,715 miles (2,760 km, 1,490 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PDX to ALN?
A nonstop flight takes about 3h 50m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from PDX to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PDX–ALN that never appear on search engines, with no booking fees.