Cheap Flights from Greenville (GSP) to Baltimore (BWI)

Start packing your bags, because round-trip flights from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) start from . That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply.

Every air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for GSP to BWI flights, you'll see a "no change fees" filter for you to select.

That movie you've been wanting to see will just have to wait — the flight distance between Roger Milliken Field (GSP) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) (BWI) is only 690 kilometres. The captain will be telling you to put your seat upright for touchdown before you know it.

If you're looking to fly straight from GSP to BWI, Southwest Airlines (WN) is a top option. It operates 30 flights each month between Greer and Baltimore.

Late planners can occasionally nab a bargain, with some of the cheapest fares from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) appearing a few weeks before the departure date. If you'd rather book ahead of time, Expedia compares and updates the best flight deals continually — as early as a year in advance in some cases. It does depend on the carrier though, as not every airline releases prices that far in advance.