Greenville (GSP) to Baltimore (BWI) flights
One airline flies nonstop from Greenville (GSP) to Baltimore (BWI): 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 GSP to BWI
- Southwest AirlinesNot in an allianceWho books it
GSP to BWI 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)American Airlines, then Southwest Airlines
- Via Pittsburgh (PIT)Breeze Airways, then Southwest Airlines
- Via Columbus (CMH)Breeze Airways, then Southwest Airlines
- Via Atlanta (ATL)Delta Air Lines the whole way
- Via Cincinnati (CVG)Breeze Airways, then Southwest Airlines
- Via New York (EWR)United Airlines, then
- 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)Breeze Airways, then Southwest Airlines
- Via Providence (PVD)Breeze Airways, then Southwest Airlines
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Orlando (MCO)Breeze Airways, then Southwest Airlines and Frontier Airlines
- Via Tampa (TPA)Breeze Airways, then Southwest Airlines and Frontier Airlines
GSP to BWI: common questions
Which airlines fly nonstop from GSP to BWI?
Southwest Airlines flies nonstop from Greenville (GSP) to Baltimore (BWI).
How far is Greenville from Baltimore by plane?
Greenville (GSP) and Baltimore (BWI) 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 GSP to BWI cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for GSP to BWI with taxes and fees.
Where can I connect between Greenville and Baltimore?
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.