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PIR to ALN: distance & flight time
Pierre (Pierre Regional Airport) → Alton/St Louis (St Louis Regional Airport)
650 mi
1,046 km · 565 nm
1h 53m
estimated nonstop flight time
—
time difference · heading southeast
See live PIR→ALN fares Phone-only fares on this route — call free
Flight time details
650 miles nonstop takes roughly 1h 53m gate to gate, flying southeast. 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
- PIR — Pierre Regional Airport · Pierre, 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 PIR
- MBG · Mobridge Municipal Airport81 mi away
- HON · Huron Regional Airport102 mi away
- VTN · Miller Field106 mi away
- ABR · Aberdeen Regional Airport117 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 PIR from ALN?
The flight distance from Pierre (PIR) to Alton/St Louis (ALN) is 650 miles (1,046 km, 565 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PIR to ALN?
A nonstop flight takes about 1h 53m 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 PIR to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PIR–ALN that never appear on search engines, with no booking fees.