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AST to FSI: distance & flight time
Astoria (Astoria Regional Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,548 mi
2,492 km · 1,345 nm
3h 30m
estimated nonstop flight time
+2h
time difference · heading east
See live AST→FSI fares Phone-only fares on this route — call free
Flight time details
1,548 miles nonstop takes roughly 3h 30m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- AST — Astoria Regional Airport · Astoria, United States
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 AST
- KLS · Southwest Washington Regional Airport47 mi away
- OTK · Tillamook Airport51 mi away
- HQM · Bowerman Airport56 mi away
- CLS · Chehalis Centralia Airport56 mi away
Near FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Frequently asked questions
How far is AST from FSI?
The flight distance from Astoria (AST) to Fort Sill (FSI) is 1,548 miles (2,492 km, 1,345 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AST to FSI?
A nonstop flight takes about 3h 30m 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 time difference between Astoria and Fort Sill?
Fort Sill is 2 hours ahead of Astoria.
What is the cheapest way to fly from AST to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AST–FSI that never appear on search engines, with no booking fees.