HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Juan

$158+ Cheap flights from Harrisburg (MDT) to San Juan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SJU
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Harrisburg to San Juan with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Harrisburg to San Juan are usually found in January or March, booked 33 days in advance, depart on a Tuesday or Sunday and return on a Sunday

Cheap flight deals from Harrisburg to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 31, 2025.

Round-trip from

$309
(Trip.com)

One-way from

$158
(Frontier)

Popular in

June

Cheapest in

January

Average price

$450
From Harrisburg to San Juan
Search Deals
One-way flight from Harrisburg to San Juan
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Harrisburg to San Juan

Cheapest flights from Harrisburg to San Juan
Explore the most affordable flight options available from Harrisburg to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This Trip.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/135:40 pmMDT - SJU
1 stop8h 29mFrontier
Wed 4/162:12 pmSJU - MDT
1 stop26h 38mFrontier
Deal found 3/30$309
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/222:57 pmMDT - SJU
1 stop9h 12mAmerican Airlines
Tue 4/297:15 amSJU - MDT
1 stop16h 33mAmerican Airlines
Deal found 3/30$339
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/256:14 pmMDT - SJU
2 stops25h 26mMultiple Airlines
Sun 4/278:45 pmSJU - MDT
2 stops20h 39mMultiple Airlines
Deal found 3/30$357
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2412:25 pmMDT - SJU
1 stop9h 47mDelta
Thu 7/317:30 amSJU - MDT
1 stop9h 41mDelta
Deal found 3/30$492
This United deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2210:15 amMDT - SJU
2 stops13h 39mUnited Airlines
Tue 4/297:45 amSJU - MDT
2 stops11h 57mUnited Airlines
Deal found 3/30$555

Cheapflights Fare Finder

Customize your flight search to find flights from Harrisburg to San Juan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2025.
Use the filters below to find and compare flights from Harrisburg to San Juan that are best for you.

Fly from

Harrisburg

Fly to

San Juan

Route

Depart

Return

Price

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Sun 4/13

5:40 pm-2:09 am

1 stop8h 29m

San Juan Luis Munoz Marin Intl

Wed 4/16

2:12 pm-4:50 pm

1 stop26h 38m

$309

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Tue 4/22

2:57 pm-12:09 am

1 stop9h 12m

San Juan Luis Munoz Marin Intl

Tue 4/29

7:15 am-11:48 pm

1 stop16h 33m

$339

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Fri 4/25

6:14 pm-7:40 pm

2 stops25h 26m

San Juan Luis Munoz Marin Intl

Sun 4/27

8:45 pm-5:24 pm

2 stops20h 39m

$357

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Tue 4/22

10:15 am-11:54 pm

2 stops13h 39m

San Juan Luis Munoz Marin Intl

Tue 4/29

7:45 am-7:42 pm

2 stops11h 57m

$555

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Fri 5/23

11:30 am-10:47 pm

1 stop11h 17m

San Juan Luis Munoz Marin Intl

Tue 5/27

1:55 pm-10:43 pm

1 stop8h 48m

$627

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Fri 4/18

5:40 pm-1:50 am

1 stop8h 10m

$158

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Wed 4/9

5:00 am-2:45 pm

1 stop9h 45m

$219

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Fri 4/18

7:59 pm-7:40 pm

2 stops23h 41m

$227

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Wed 4/16

6:30 am-2:44 pm

1 stop8h 14m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Best time to book a flight from Harrisburg to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Harrisburg with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Harrisburg to San Juan

How far ahead should I book a flight from Harrisburg to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Harrisburg to San Juan. Price data was last updated on March 28, 2025.

Booking 33 days in advance of your planned departure date is, on average, the best time to get cheap flights from Harrisburg to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Harrisburg to San Juan?

Currently, September is the cheapest month in which you can book a flight from Harrisburg to San Juan (average of $254). Flying from Harrisburg to San Juan in December is currently the most expensive (average of $336). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MDT to SJU?

Find hourly flight availability from Harrisburg to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

A simple way to save on the total cost of your ticket is to fly from Harrisburg to San Juan in the evening. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Harrisburg to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Harrisburg to San Juan. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Harrisburg to San Juan flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated March 31, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Harrisburg to San Juan. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Frontier
6.0
Okay
3,275 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Harrisburg to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Harrisburg to San Juan?

    For a flight from Harrisburg to San Juan, you will be flying from Harrisburg. Harrisburg (MDT) is just 8.5 mi from the center of the city. Harrisburg is the only Harrisburg airport and it handles 0 outbound flights to San Juan per day. 3 airlines have flights to San Juan from Harrisburg on a regular basis.

  • What are the cheapest airlines flying from Harrisburg to San Juan round-trip?

    Currently priced at $309, Frontier will fly you from Harrisburg to San Juan and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $339 and $555, respectively. Frontier is 42% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Harrisburg to San Juan one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $158. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Harrisburg to San Juan for a low price.

  • Can I find deals for flights from Harrisburg to San Juan that include hotel bookings?

    Yes. In addition to deals on Harrisburg to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harrisburg to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harrisburg to San Juan.

  • Can I find deals for business class flights from Harrisburg to San Juan?

    Yes. Cheapflights offers flight deals from Harrisburg to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Harrisburg to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Harrisburg to San Juan (average of $254). Flying from Harrisburg to San Juan in December is currently the most expensive (average of $336). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Harrisburg to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Luis Munoz Marin Intl flights
John F Kennedy Intl to Luis Munoz Marin Intl flights
LaGuardia to Luis Munoz Marin Intl flights
Dulles Intl to Luis Munoz Marin Intl flights
Philadelphia to Luis Munoz Marin Intl flights
Reagan-National to Luis Munoz Marin Intl flights
John F Kennedy Intl to Aguadilla flights
Pittsburgh to Luis Munoz Marin Intl flights
Newark to Aguadilla flights
John F Kennedy Intl to Ponce flights
LaGuardia to Aguadilla flights
Newark to Ponce flights
Dulles Intl to Ponce flights
Allentown to Luis Munoz Marin Intl flights
Harrisburg to Luis Munoz Marin Intl flights
Newark to Culebra flights
John F Kennedy Intl to Vieques flights
John F Kennedy Intl to Culebra flights
LaGuardia to Ponce flights
Philadelphia to Ponce flights
Reagan-National to Aguadilla flights
Dulles Intl to Aguadilla flights
Newark to Mayagüez flights
John F Kennedy Intl to Mayagüez flights
Newark to Vieques flights
Philadelphia to Aguadilla flights
State College to Luis Munoz Marin Intl flights
Scranton to Luis Munoz Marin Intl flights
LaGuardia to Vieques flights
Philadelphia to Culebra flights
Dulles Intl to Culebra flights
Reagan-National to Ponce flights
Erie to Luis Munoz Marin Intl flights
Philadelphia to Mayagüez flights
Dulles Intl to Vieques flights
Harrisburg to Aguadilla flights
Reagan-National to Vieques flights
Reagan-National to Mayagüez flights
Philadelphia to Vieques flights
Pittsburgh to Aguadilla flights
Pittsburgh to Culebra flights
Reagan-National to Culebra flights
Pittsburgh to Vieques flights
State College to Aguadilla flights

Top 3 airlines flying from Harrisburg to San Juan

Discover the top 3 airlines that operate flights from Harrisburg to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$371Average$538FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$404Average$763FlexibilityNo cancel feeOn-time69%
DeltaCheapest$484Average$556FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.