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San Juan

$118+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SJU
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Harrisburg to San Juan are usually found in January or October, 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 septiembre 16, 2025.

Round-trip from

$269
(Priceline)

One-way from

$118
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$480
From Harrisburg to San Juan
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One-way flight from Harrisburg to San Juan
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Highest demand for flights based on searches. 15% potential increase in price ($101 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 septiembre 16, 2025.

This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1911:07 amMDT - SJU
1 stop12h 52mFrontier
jue. 10/23:39 amSJU - MDT
1 stop6h 33mFrontier
Deal found 9/14$254
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/176:31 pmMDT - SJU
1 stop7h 59mFrontier
dom. 10/193:40 amSJU - MDT
1 stop13h 56mFrontier
Deal found 9/15$269
This United Airlines deal was found by Cheapflights users on 9/16. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/76:30 amMDT - SJU
1 stop8h 14mUnited Airlines
mar. 10/141:05 amSJU - MDT
2 stops8h 24mUnited Airlines
Deal found 9/16$288
This Trip.com deal was found by Cheapflights users on 9/16. 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.
vie. 10/311:07 amMDT - SJU
1 stop15h 27mMultiple Airlines
vie. 10/102:49 amSJU - MDT
1 stop17h 33mMultiple Airlines
Deal found 9/16$307
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1911:07 amMDT - SJU
1 stop12h 52mFrontier
dom. 10/53:39 amSJU - MDT
1 stop6h 23mFrontier
Deal found 9/14$324
This American Airlines deal was found by Cheapflights users on 9/14. 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.
sáb. 10/189:33 amMDT - SJU
1 stop13h 32mAmerican Airlines
dom. 10/265:30 amSJU - MDT
1 stop16h 35mAmerican Airlines
Deal found 9/14$330
This United Airlines deal was found by Cheapflights users on 9/16. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/36:15 amMDT - SJU
2 stops14h 23mUnited Airlines
jue. 10/91:05 amSJU - MDT
2 stops8h 24mUnited Airlines
Deal found 9/16$343
This Trip.com deal was found by Cheapflights users on 9/16. 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.
sáb. 10/49:12 pmMDT - SJU
2 stops13h 44mMultiple Airlines
vie. 10/102:49 amSJU - MDT
1 stop17h 33mMultiple Airlines
Deal found 9/16$352
This American Airlines deal was found by Cheapflights users on 9/15. 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.
vie. 10/178:00 amMDT - SJU
1 stop15h 59mAmerican Airlines
lun. 10/207:10 amSJU - MDT
1 stop15h 29mAmerican Airlines
Deal found 9/15$375

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 septiembre 16, 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

dom. 2/22

2:07 pm-2:50 am

1 stop11h 43m

San Juan Luis Munoz Marin Intl

vie. 2/27

3:55 am-10:30 am

1 stop7h 35m

$284

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

vie. 10/3

11:07 am-2:34 am

1 stop15h 27m

San Juan Luis Munoz Marin Intl

vie. 10/10

2:49 am-8:22 pm

1 stop17h 33m

$307

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

lun. 10/13

5:57 pm-12:00 pm

1 stop18h 03m

San Juan Luis Munoz Marin Intl

dom. 10/19

3:40 am-5:36 pm

1 stop13h 56m

$324

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

mar. 10/7

6:15 am-8:38 pm

2 stops14h 23m

San Juan Luis Munoz Marin Intl

mar. 10/14

1:05 am-9:29 am

2 stops8h 24m

$329

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

vie. 10/3

6:15 am-12:34 pm

1 stop6h 19m

San Juan Luis Munoz Marin Intl

jue. 10/9

1:05 am-9:29 am

2 stops8h 24m

$363

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

dom. 2/22

8:57 am-11:30 pm

1 stop13h 33m

San Juan Luis Munoz Marin Intl

sáb. 2/28

6:40 am-7:36 pm

1 stop13h 56m

$425

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

sáb. 10/18

11:25 am-11:54 pm

2 stops12h 29m

San Juan Luis Munoz Marin Intl

dom. 10/26

5:30 am-10:05 pm

1 stop16h 35m

$425

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

vie. 10/3

10:38 am-11:37 pm

2 stops12h 59m

San Juan Luis Munoz Marin Intl

sáb. 10/11

5:30 am-11:40 am

1 stop6h 10m

$430

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

dom. 2/22

6:00 am-5:12 pm

1 stop10h 12m

San Juan Luis Munoz Marin Intl

jue. 2/26

7:30 am-5:25 pm

1 stop10h 55m

$431

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

sáb. 9/27

6:30 am-2:44 pm

1 stop8h 14m

San Juan Luis Munoz Marin Intl

jue. 10/2

1:05 am-9:29 am

2 stops8h 24m

$451

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 22 results
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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 September 12, 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 June is currently the most expensive (average of $339). 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 septiembre 16, 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.

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 septiembre 16, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Harrisburg to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,174 reviews
Delta
8.0
Very good
7,957 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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. 4 airlines have flights to San Juan from Harrisburg on a regular basis.

  • How long is the flight from Harrisburg to San Juan?

    A quick flight from Harrisburg to San Juan can take about 11h 43m. Frontier provides one of the quickest options available for as low as $284. There are 1633 mi between Harrisburg and San Juan. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $155, 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 $300 and $341, respectively. Frontier is 70% 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 American Airlines, with whom users have recently found tickets for as low as $118. However, be on the lookout for offers from United Airlines and Frontier, 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 June is currently the most expensive (average of $339). 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

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Alternative routes for Harrisburg to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Harrisburg to San Juan

Discover the top 4 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$155Average$332FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$300Average$553FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$341Average$570FlexibilityNo cancel feeOn-time69%
DeltaCheapest$506Average$680FlexibilityNo cancel feeOn-timeN/A

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