$59 Cheap Flights from Greenville (GSP) to Baltimore (BWI)

View $59 flight on Wed, Jan 21, 2026Opens in a new window

Popular airlines from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Airport (BWI)

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Cheap Flights from Greenville to Baltimore (GSP-BWI)

Prices were available within the past 7 days and start at $59 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Wed, Jan 21 - Wed, Jan 28
GSP
Greenville
BWI
Baltimore
$117 Roundtrip, found 3 days ago
$117
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Wed, Jan 21 from Greenville to Baltimore, returning Wed, Jan 28, priced at $117 found 3 days ago
Southwest Airlines
Wed, Jan 21 - Wed, Jan 28
GSP
Greenville
BWI
Baltimore
$132 Roundtrip, found 3 days ago
$132
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Wed, Jan 21 from Greenville to Baltimore, returning Wed, Jan 28, priced at $132 found 3 days ago
Delta
Wed, Jan 21 - Wed, Jan 28
GSP
Greenville
BWI
Baltimore
$137 Roundtrip, found 3 days ago
$137
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Jan 21 from Greenville to Baltimore, returning Wed, Jan 28, priced at $137 found 3 days ago
American Airlines
Wed, Jan 21 - Wed, Jan 28
GSP
Greenville
BWI
Baltimore
$138 Roundtrip, found 3 days ago
$138
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Jan 21 from Greenville to Baltimore, returning Wed, Jan 28, priced at $138 found 3 days ago
Southwest Airlines
Wed, Jan 21 - Wed, Jan 28
GSP
Greenville
BWI
Baltimore
$147 Roundtrip, found 3 days ago
$147
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Wed, Jan 21 from Greenville to Baltimore, returning Wed, Jan 28, priced at $147 found 3 days ago
Southwest Airlines
Sat, Jan 10 - Tue, Jan 13
GSP
Greenville
BWI
Baltimore
$154 Roundtrip, found 3 days ago
$154
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Sat, Jan 10 from Greenville to Baltimore, returning Tue, Jan 13, priced at $154 found 3 days ago
Delta
Wed, Jan 21 - Wed, Jan 28
GSP
Greenville
BWI
Baltimore
$157 Roundtrip, found 3 days ago
$157
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Jan 21 from Greenville to Baltimore, returning Wed, Jan 28, priced at $157 found 3 days ago
American Airlines
Wed, Jan 21 - Wed, Jan 28
GSP
Greenville
BWI
Baltimore
$159 Roundtrip, found 3 days ago
$159
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Jan 21 from Greenville to Baltimore, returning Wed, Jan 28, priced at $159 found 3 days ago
Delta
Wed, Jan 21 - Wed, Jan 28
GSP
Greenville
BWI
Baltimore
$167 Roundtrip, found 3 days ago
$167
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Jan 21 from Greenville to Baltimore, returning Wed, Jan 28, priced at $167 found 3 days ago
United
Sat, Jan 10 - Tue, Jan 13
GSP
Greenville
BWI
Baltimore
$483 Roundtrip, found 3 days ago
$483
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jan 10 from Greenville to Baltimore, returning Tue, Jan 13, priced at $483 found 3 days ago

Find the cheapest month to fly from Greenville (GSP) to Baltimore (BWI)

March is typically the cheapest month to fly

From $107 - $610 per traveler.

Alternative airports near Baltimore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Average driving time to city center is 57 minutes. Flights from $395
DCA
Ronald Reagan Washington National
Average driving time to city center57 min
Flights from $395
Flights from Greenville (GSP) to Baltimore (BWI)
Origin airport
Greenville-Spartanburg Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$117
Distance
425 mi
Average flight time
1 hour 28 mins

Greenville to Baltimore Flights

The cheapest times to fly from Greenville to Baltimore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Greenville to Baltimore are during the month of January. You can find some of the cheapest flights from Greenville to Baltimore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Greenville to Baltimore

Sunday is one of the best days to book for cheap flights from Greenville to Baltimore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Greenville to Baltimore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Greenville to Baltimore in 2026. You can also book with separate airlines for your outbound and return journeys, from $59 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Greenville to Baltimore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Greenville to Baltimore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Grab a cheap one-way flight from $59 or cheap return flight from $117 from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Planning your trip for January may help you find better deals, as it's the cheapest month for flights between GSP and BWI. You'll usually find the lowest fares during off-peak months.
Which airlines fly direct from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Hop on a nonstop flight with Southwest Airlines and head straight from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
What is the cheapest airline that flies from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from GSP to BWI. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
On average, Greenville-Spartanburg Intl. Airport (GSP) only offers 1 nonstop flight to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) each day. For additional options, try our easy-to-use filters. Enter your travel dates, then click on "1 Stop" or "2+ Stops" to find flights with layovers.
What are the most popular departure times for flights from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
More people fly between GSP and BWI at 8 AM than at any other time of day. Looking for a quieter experience? Consider flying outside peak hours and it's possible you'll save on your ticket as well.
What day of the week has the most flights from GSP to BWI?
Travel on a Friday if you're after the best selection of flights from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
What is the earliest flight from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Greenville-Spartanburg Intl. Airport (GSP)'s first flight to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) leaves at approximately 7:05AM UTC-5. With a total flight time of 1h 40m, you'll land at around 8:45AM UTC-5.
How long does it take to fly from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
The average flight time from GSP to BWI is 1 hour and 35 minutes, covering a distance of 430 mi.
What is the best time to fly from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Opt for a flight from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Baltimore from Greenville-Spartanburg Intl. Airport (GSP)?
You can land at any one of these Baltimore airports after your direct flight from Greenville-Spartanburg Intl. Airport (GSP):

  • Ronald Reagan Washington National Airport (DCA)
  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Waiting until just before your trip to book a ticket from GSP to BWI often results in higher prices. Although you may find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary for the best chance of scoring a bargain.
Is it cheaper to book a GSP to BWI flight and hotel package?
Booking a GSP to BWI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our impressive range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Greenville-Spartanburg Intl. Airport (GSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
In most cases, you can modify or cancel your GSP to BWI flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, go to our Customer Service portal.

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*Available to One Key members.