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FSI to BOS: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Boston (General Edward Lawrence Logan International Airport)
1,566 mi
2,520 km · 1,361 nm
3h 32m
estimated nonstop flight time
+1h
time difference · heading northeast
See live FSI→BOS fares Phone-only fares on this route — call free
Flight time details
1,566 miles nonstop takes roughly 3h 32m gate to gate, flying northeast. 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
- BOS — General Edward Lawrence Logan International Airport · Boston, 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 BOS
- OWD · Norwood Memorial Airport15 mi away
- BED · Laurence G Hanscom Field16 mi away
- BVY · Beverly Municipal Airport16 mi away
- LWM · Lawrence Municipal Airport25 mi away
Frequently asked questions
How far is FSI from BOS?
The flight distance from Fort Sill (FSI) to Boston (BOS) is 1,566 miles (2,520 km, 1,361 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to BOS?
A nonstop flight takes about 3h 32m 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 Boston?
Boston is 1 hour ahead of Fort Sill.
What is the cheapest way to fly from FSI to BOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–BOS that never appear on search engines, with no booking fees.