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FSI to SEE: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → El Cajon (Gillespie Field)
1,073 mi
1,727 km · 932 nm
2h 48m
estimated nonstop flight time
-2h
time difference · heading west
See live FSI→SEE fares Phone-only fares on this route — call free
Flight time details
1,073 miles nonstop takes roughly 2h 48m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-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
- SEE — Gillespie Field · El Cajon, 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 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 SEE
Frequently asked questions
How far is FSI from SEE?
The flight distance from Fort Sill (FSI) to El Cajon (SEE) is 1,073 miles (1,727 km, 932 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to SEE?
A nonstop flight takes about 2h 48m 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 El Cajon?
El Cajon is 2 hours behind Fort Sill.
What is the cheapest way to fly from FSI to SEE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–SEE that never appear on search engines, with no booking fees.