The cheapest times to fly from MDT to STI are

  • January 8th to February 11th
  • April 16th to May 6th
  • May 28th to June 17th
  • August 27th to December 9th (except the week of November 19th)

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 MDT to STI is mid to late September. Prices can be as high as $1368 for Sunday flights during late December, or as low as $730 for Tuesday flights around mid to late September.


When to Fly to Santiago De Los Caballeros

Flying from Harrisburg, PA (MDT) to Santiago (STI) will usually cost between $733 to $887 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $730. Due to high demand the most expensive time to fly is late December, with an average price of $1044. Planning your trip to low-cost times can easily save you $313 on economy flights and even more on first-class flights. Generally, any price below $737 can be considered a good price for a round-trip MDT to STI flight.

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

MDT to STI Flight Prices

Compared to other flights, the MDT to STI flight is cheaper than the average and costs less than the average flight leaving from Harrisburg. The average price per mile (for a direct flight) is $0.31, which is in the normal range for a flight.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays 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 $89 (10%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $738. Return trip prices are from the STI to MDT 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 MDT to STI can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 39 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 MDT to STI while comparing.

Destination alternative #1: Gregorio Luperon International Airport (POP) in Puerto Plata

  • 24 miles (39 km) away from STI
  • Usually 0.88% less expensive than STI
  • 1-layover flights available

See MDT to POP flights


Flight Hacking MDT to STI

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from MDT to STI — but Champion Traveler does!

Hack #1: Miami, FL (MDT > MIA > STI)

  • Price for both tickets: $620
  • Average savings: $117 (15.89%)

See MDT to MIA flights

Hack #2: Fort Lauderdale, FL (MDT > FLL > STI)

  • Price for both tickets: $629
  • Average savings: $108 (14.66%)

See MDT to FLL flights

Hack #3: Jacksonville, FL (MDT > JAX > STI)

  • Price for both tickets: $681
  • Average savings: $56 (7.54%)

See MDT to JAX flights


Flight Questions Answered

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

Which airlines fly this route?

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

How far away is it from Cibao International Airport to Harrisburg International Airport?

The distance between the two airports is roughly 1482 miles or 2385 kilometers.

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

The real-world flight time for a nonstop MDT to STI flight is about 3 hour 39 minutes.

How many flights go between Harrisburg, PA and Santiago?

It depends on the day of the week and the date, but a typical day might have around 17 available flights from MDT to STI.


Airport Location Info


Departing Airport

Origination codeMDT
Origination airport nameHarrisburg International Airport
CityHarrisburg, PA
Countrythe United States

Return Airport

Destination codeSTI
Destination airport nameCibao International Airport
CountryDominican Republic


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.