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BWI to FSI: distance & flight time
Baltimore (Baltimore/Washington International Thurgood Marshall Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,237 mi
1,991 km · 1,075 nm
3h 9m
estimated nonstop flight time
-1h
time difference · heading west
See live BWI→FSI fares Phone-only fares on this route — call free
Flight time details
1,237 miles nonstop takes roughly 3h 9m gate to gate, flying west. 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
- BWI — Baltimore/Washington International Thurgood Marshall Airport · Baltimore, 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 BWI
- DCA · Ronald Reagan Washington National Airport30 mi away
- IAD · Washington Dulles International Airport45 mi away
- FME · Tipton Airport8 mi away
- ANP · Lee Airport17 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 BWI from FSI?
The flight distance from Baltimore (BWI) to Fort Sill (FSI) is 1,237 miles (1,991 km, 1,075 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BWI to FSI?
A nonstop flight takes about 3h 9m 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 Baltimore and Fort Sill?
Fort Sill is 1 hour behind Baltimore.
What is the cheapest way to fly from BWI to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BWI–FSI that never appear on search engines, with no booking fees.