The cheapest times to fly from GSP to MDT are

  • April 23rd to June 10th (except the week of May 7th)
  • September 10th to September 23rd
  • October 15th to November 18th
  • December 3rd to March 4th (except the week of December 17th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from GSP to MDT is mid January. Prices can be as high as $428 for Monday flights during mid to late November, or as low as $191 for Wednesday flights around mid January.


When to Fly to Harrisburg

Flying from Greer, SC (GSP) to Harrisburg, PA (MDT) will usually cost between $194 to $351 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid January with an average ticket price of $233. Due to high demand the most expensive time to fly is mid to late November, with an average price of $303. Planning your trip to low-cost times can easily save you $70 on economy flights and even more on first-class flights. Generally, any price below $252 can be considered a good price for a round-trip GSP to MDT flight.

See below for a graph of average weekly prices for the GSP to MDT route. All prices are for round-trip tickets in USD.

GSP to MDT Flight Prices

Compared to other flights, the GSP to MDT flight is much cheaper than the average and costs much less than the average flight leaving from Greenville. The average price per mile (for a direct flight) is $0.33, which is in the normal range for a flight.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Mondays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $75 (25%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $224. Return trip prices are from the MDT to GSP flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from GSP to MDT can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 1 hour 50 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from GSP to MDT while comparing.

Destination alternative #1: Baltimore/Washington International Thurgood Marshall Airport (BWI) in Baltimore, MD

  • 70 miles (113 km) away from MDT
  • Usually 12.70% less expensive than MDT
  • Nonstop flights available

See GSP to BWI flights

Destination alternative #2: Newark Liberty International Airport (EWR) in Newark, NJ

  • 141 miles (227 km) away from MDT
  • Usually 3.17% less expensive than MDT
  • Nonstop flights available

See GSP to EWR flights

Destination alternative #3: Wilkes Barre Scranton International Airport (AVP) in Scranton/Wilkes-Barre, PA

  • 96 miles (154 km) away from MDT
  • Usually 1.59% less expensive than MDT
  • 1-layover flights available

See GSP to AVP flights


Flight Questions Answered

Still have questions about flying from GSP to MDT? We’ve got answers.

Which airlines fly this route?

You can find 4 major airlines flying this route most often: American, Delta, Frontier, United, and potentially more during busy seasons.

How far away is it from Harrisburg International Airport to Greenville-Spartanburg International Airport?

The distance between the two airports is roughly 472 miles or 760 kilometers.

How long does it take to fly from GSP to MDT?

The real-world flight time for a nonstop GSP to MDT flight is about 1 hour 50 minutes.

How many flights go between Greer, SC and Harrisburg, PA?

It depends on the day of the week and the date, but a typical day might have around 71 available flights from GSP to MDT.


Airport Location Info


Departing Airport

Origination code GSP
Origination airport name Greenville-Spartanburg International Airport
City Greer, SC
Country the United States
Latitude 34.9
Longitude -82.2

Return Airport

Destination code MDT
Destination airport name Harrisburg International Airport
City Harrisburg, PA
Country the United States
Latitude 40.2
Longitude -76.8


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.