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FSI to BWI: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Baltimore (Baltimore/Washington International Thurgood Marshall Airport)
1,237 mi
1,991 km · 1,075 nm
3h 9m
estimated nonstop flight time
+1h
time difference · heading east
See live FSI→BWI fares Phone-only fares on this route — call free
Flight time details
1,237 miles nonstop takes roughly 3h 9m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- BWI — Baltimore/Washington International Thurgood Marshall Airport · Baltimore, 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 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
Frequently asked questions
How far is FSI from BWI?
The flight distance from Fort Sill (FSI) to Baltimore (BWI) 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 FSI to BWI?
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 Fort Sill and Baltimore?
Baltimore is 1 hour ahead of Fort Sill.
What is the cheapest way to fly from FSI to BWI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–BWI that never appear on search engines, with no booking fees.