Need help booking?
Unpublished phone-only deals available
ECA to FSI: distance & flight time
East Tawas (Iosco County Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,038 mi
1,671 km · 902 nm
2h 43m
estimated nonstop flight time
-1h
time difference · heading southwest
See live ECA→FSI fares Phone-only fares on this route — call free
Flight time details
1,038 miles nonstop takes roughly 2h 43m 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
- ECA — Iosco County Airport · East Tawas, 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 ECA
- OSC · Oscoda Wurtsmith Airport10 mi away
- APN · Alpena County Regional Airport53 mi away
- GDW · Gladwin Zettel Memorial Airport57 mi away
- HTL · Roscommon County - Blodgett Memorial Airport62 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 ECA from FSI?
The flight distance from East Tawas (ECA) to Fort Sill (FSI) is 1,038 miles (1,671 km, 902 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ECA to FSI?
A nonstop flight takes about 2h 43m 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 East Tawas and Fort Sill?
Fort Sill is 1 hour behind East Tawas.
What is the cheapest way to fly from ECA to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ECA–FSI that never appear on search engines, with no booking fees.