Title: Cheap Flights from Greenville to Baltimore (GSP to BWI) - Expedia.co.uk ![Baltimore which includes skyline, night scenes and modern architecture](https://images.trvl-media.com/place/178235/efe97181-8af8-46b6-b917-0282b17a2b28.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178235/efe97181-8af8-46b6-b917-0282b17a2b28.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Greenville (GSP) to Baltimore (BWI) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington International Airport (BWI) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:gsp,to:bwi,departure:01/10/2025TANYT&leg2=from:bwi,to:gsp,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:gsp,to:bwi,departure:01/10/2025TANYT&leg2=from:bwi,to:gsp,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:gsp,to:bwi,departure:01/10/2025TANYT&leg2=from:bwi,to:gsp,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:gsp,to:bwi,departure:01/10/2025TANYT&leg2=from:bwi,to:gsp,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Find the cheapest month to fly from Greenville (GSP) to Baltimore (BWI) ### March is typically the cheapest month to fly From £79 - £451 per traveller. Flight from Greenville to Baltimore route information | Origin airport | Greenville-Spartanburg Intl. | | --- | --- | | Destination airport | Baltimore Washington Intl. Thurgood Marshall | | Distance | 681 km | | Average flight time | 1 hour 30 mins | ## Compare flights from Greenville to Baltimore easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Greenville to Baltimore. Operating between them 2 flights per day, airlines cover the route. And Southwest Airlines fly direct, getting you to Baltimore Washington Intl. Thurgood Marshall in just 1hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Greenville-Spartanburg Intl. to Baltimore Washington Intl. Thurgood Marshall.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Greenville-Spartanburg Intl. (GSP) to Baltimore Washington Intl. Thurgood Marshall (BWI) The easiest way to view the best deals on flights from Greenville to Baltimore today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Greenville-Spartanburg Intl. to Baltimore Washington Intl. Thurgood Marshall start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Greenville and Baltimore - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Greenville to Baltimore flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Greenville-Spartanburg Intl. to Baltimore Washington Intl. Thurgood Marshall for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from GSP to Baltimore Washington Intl. Thurgood Marshall Airport (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. ### Do I need to pay a cancellation fee if I cancel my flight from GSP to BWI Airport? > Every air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from Roger Milliken Field to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) that have flexible change policies? > 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. ### How far is the flight from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)? > 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. ### Which airlines fly direct from GSP to BWI Marshall? > 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. ### Are Roger Milliken Field to BWI Marshall flight tickets cheaper when they're purchased at the last minute? > 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. 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