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FSI to ACN: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Ciudad Acuna (Ciudad Acuña New International Airport)
400 mi
644 km · 347 nm
1h 31m
estimated nonstop flight time
-1h
time difference · heading southwest
See live FSI→ACN fares Phone-only fares on this route — call free
Flight time details
400 miles nonstop takes roughly 1h 31m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- ACN — Ciudad Acuña New International Airport · Ciudad Acuna, Mexico
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 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
Near ACN
- DRT · Del Rio International Airport11 mi away
- DLF · DLF Airport19 mi away
- PDS · Piedras Negras International Airport59 mi away
- UVA · Garner Field82 mi away
Frequently asked questions
How far is FSI from ACN?
The flight distance from Fort Sill (FSI) to Ciudad Acuna (ACN) is 400 miles (644 km, 347 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to ACN?
A nonstop flight takes about 1h 31m 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 Fort Sill and Ciudad Acuna?
Ciudad Acuna is 1 hour behind Fort Sill.
What is the cheapest way to fly from FSI to ACN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–ACN that never appear on search engines, with no booking fees.