Need help booking?
Unpublished phone-only deals available
BWI to GSP: distance & flight time
Baltimore (Baltimore/Washington International Thurgood Marshall Airport) → Greenville (Greenville Spartanburg International Airport)
425 mi
685 km · 370 nm
1h 23m
estimated nonstop flight time
Same time
time difference · heading southwest
See live BWI→GSP fares Phone-only fares on this route — call free
Flight time details
425 miles nonstop takes roughly 1h 23m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- BWI — Baltimore/Washington International Thurgood Marshall Airport · Baltimore, United States
- GSP — Greenville Spartanburg International Airport · Greenville, 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 GSP
- GMU · Greenville Downtown Airport8 mi away
- GDC · Donaldson Field Airport13 mi away
- SPA · Spartanburg Downtown Memorial Airport15 mi away
- CLT · Charlotte Douglas International Airport75 mi away
Frequently asked questions
How far is BWI from GSP?
The flight distance from Baltimore (BWI) to Greenville (GSP) is 425 miles (685 km, 370 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BWI to GSP?
A nonstop flight takes about 1h 23m 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 cheapest way to fly from BWI to GSP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BWI–GSP that never appear on search engines, with no booking fees.