Baltimore (BWI) to Greenville (GSP) flights
One airline flies nonstop from Baltimore (BWI) to Greenville (GSP): Southwest Airlines. The two airports are 426 miles (685 km) apart. There are also 15 ways to fly it with one stop, through Charlotte, Philadelphia and Pittsburgh and more.
Airlines flying nonstop from BWI to GSP
- Southwest AirlinesNot in an allianceWho books it

BWI to GSP with one stop
15 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Charlotte (CLT)American Airlines the whole way




- Via Philadelphia (PHL)Southwest Airlines, then American Airlines


- Via Pittsburgh (PIT)Southwest Airlines, then Breeze Airways


- Via Columbus (CMH)Southwest Airlines, then Breeze Airways


- Via Atlanta (ATL)Delta Air Lines the whole way




- Via Cincinnati (CVG)Southwest Airlines, then Breeze Airways


- Via New York (EWR), then United Airlines

- Via Nashville (BNA)Southwest Airlines the whole way



- Via Detroit (DTW)Delta Air Lines the whole way




- Via New Haven (HVN)Avelo Airlines the whole way


- Via Hartford (BDL)Southwest Airlines, then Breeze Airways


- Via Providence (PVD)Southwest Airlines, then Breeze Airways


- Via Chicago (ORD)American Airlines and United Airlines the whole way





- Via Orlando (MCO)Southwest Airlines and Frontier Airlines, then Breeze Airways



- Via Tampa (TPA)Southwest Airlines and Frontier Airlines, then Breeze Airways



BWI to GSP: common questions
Which airlines fly nonstop from BWI to GSP?
Southwest Airlines flies nonstop from Baltimore (BWI) to Greenville (GSP).
How far is Baltimore from Greenville by plane?
Baltimore (BWI) and Greenville (GSP) are 426 miles (685 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does BWI to GSP cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for BWI to GSP with taxes and fees.
Where can I connect between Baltimore and Greenville?
The most direct connections are through Charlotte (CLT), Philadelphia (PHL), Pittsburgh (PIT), Columbus (CMH) and Atlanta (ATL). On 6 of them the same airline flies both flights, for example American Airlines through Charlotte.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.