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San Juan

$87+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — SJU
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This Priceline deal was found by Cheapflights users on 1/20. 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.
Thu 2/196:57 pm
MDT
-
SJU
1 stop28h 46m
Frontier
Thu 2/265:25 pm
SJU
-
MDT
1 stop17h 26m
Frontier
Deal found 1/20$182
This Priceline deal was found by Cheapflights users on 1/21. 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.
Sun 2/87:50 pm
MDT
-
SJU
1 stop21h 50m
Frontier
Wed 2/113:53 am
SJU
-
MDT
1 stop15h 19m
Frontier
Deal found 1/21$217
This Frontier deal was found by Cheapflights users on 1/20. 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.
Fri 1/3011:27 am
MDT
-
SJU
1 stop11h 32m
Frontier
Sat 2/78:00 am
SJU
-
MDT
1 stop12h 30m
Frontier
Deal found 1/20$237
This Frontier deal was found by Cheapflights users on 1/20. 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.
Fri 1/3011:27 am
MDT
-
SJU
1 stop11h 32m
Frontier
Sun 2/86:00 am
SJU
-
MDT
1 stop13h 55m
Frontier
Deal found 1/20$272
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Sun 2/85:30 pm
MDT
-
SJU
2 stops11h 41m
United Airlines
Thu 2/128:05 am
SJU
-
MDT
2 stops13h 51m
United Airlines
Deal found 1/21$277
This Frontier deal was found by Cheapflights users on 1/19. 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.
Sun 3/810:13 pm
MDT
-
SJU
1 stop10h 41m
Frontier
Thu 3/1212:07 pm
SJU
-
MDT
1 stop9h 21m
Frontier
Deal found 1/19$280
This American Airlines deal was found by Cheapflights users on 1/19. 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 3/108:00 am
MDT
-
SJU
2 stops12h 50m
American Airlines
Thu 3/125:00 am
SJU
-
MDT
1 stop9h 49m
American Airlines
Deal found 1/19$292
This Frontier deal was found by Cheapflights users on 1/19. 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.
Sun 2/2210:46 am
MDT
-
SJU
1 stop13h 08m
Frontier
Sat 2/2811:24 am
SJU
-
MDT
1 stop8h 02m
Frontier
Deal found 1/19$323
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/810:13 pm
MDT
-
SJU
1 stop11h 04m
Multiple Airlines
Tue 3/105:00 am
SJU
-
MDT
1 stop12h 06m
Multiple Airlines
Deal found 1/19$324
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 2/46:25 am
MDT
-
SJU
2 stops10h 57m
American Airlines
Wed 2/117:00 am
SJU
-
MDT
1 stop8h 38m
American Airlines
Deal found 1/20$327
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/710:18 pm
MDT
-
SJU
1 stop9h 59m
Multiple Airlines
Thu 3/127:00 am
SJU
-
MDT
1 stop14h 28m
Multiple Airlines
Deal found 1/19$328
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/710:18 pm
MDT
-
SJU
1 stop9h 59m
Multiple Airlines
Tue 3/105:00 am
SJU
-
MDT
1 stop12h 06m
Multiple Airlines
Deal found 1/19$334

Find 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 January 21, 2026.

Round-trip from

$182
(Priceline)

One-way from

$112
(Priceline)

Popular in

December

Cheapest in

August

Average price

$471
From Harrisburg to San Juan
Search Deals
One-way flight from Harrisburg to San Juan
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 21, 2026.
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

Fri 2/20

10:46 am-2:53 am

1 stop15h 07m

San Juan Luis Munoz Marin Intl

Wed 2/25

5:25 pm-4:51 pm

1 stop24h 26m

$277

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Sun 2/8

6:25 am-11:56 pm

1 stop16h 31m

San Juan Luis Munoz Marin Intl

Thu 2/12

5:02 pm-9:21 am

1 stop17h 19m

$277

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Sun 2/8

5:30 pm-6:11 am

2 stops11h 41m

San Juan Luis Munoz Marin Intl

Thu 2/12

8:05 am-8:56 pm

2 stops13h 51m

$277

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Sun 2/22

10:46 am-12:54 am

1 stop13h 08m

San Juan Luis Munoz Marin Intl

Sat 2/28

11:24 am-6:26 pm

1 stop8h 02m

$298

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Fri 2/20

5:40 pm-6:11 am

2 stops11h 31m

San Juan Luis Munoz Marin Intl

Wed 2/25

8:05 am-8:56 pm

2 stops13h 51m

$317

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Wed 2/4

6:25 am-6:22 pm

2 stops10h 57m

San Juan Luis Munoz Marin Intl

Wed 2/11

7:00 am-2:38 pm

1 stop8h 38m

$327

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Tue 3/10

6:15 am-9:22 pm

2 stops15h 07m

San Juan Luis Munoz Marin Intl

Tue 3/10

1:05 am-1:51 pm

2 stops12h 46m

$337

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Mon 2/9

6:30 am-3:40 pm

1 stop8h 10m

San Juan Luis Munoz Marin Intl

Wed 2/11

8:10 am-9:05 pm

2 stops13h 55m

$367

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Wed 2/25

11:09 am-11:09 pm

1 stop11h 00m

San Juan Luis Munoz Marin Intl

Mon 3/2

6:00 am-10:32 am

1 stop29h 32m

$375

HarrisburgSan Juan

MDT - SJU

MDTSJU

Harrisburg

Tue 2/24

11:27 am-2:53 am

1 stop14h 26m

$87

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 20 results
1
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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 January 16, 2026.

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, May is the cheapest month in which you can book a flight from Harrisburg to San Juan (average of $115). Flying from Harrisburg to San Juan in December is currently the most expensive (average of $214). 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.

How much does it cost to fly round-trip from Harrisburg to San Juan?

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 January 21, 2026.
See what other customers who have flown with United Airlines, American Airlines, and Frontier 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.
United Airlines
7.4
Good
9,191 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,191 reviews
United Airlines
7.4
Good
9,191 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,174 reviews
United Airlines
7.4
Good
9,191 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Frontier
5.7
Fair
3,057 reviews
United Airlines
7.4
Good
9,191 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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.

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

    A quick flight from Harrisburg to San Juan can take about 11h 41m. Frontier provides one of the quickest options available for as low as $277. 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 $235 and $341, respectively. Frontier is 72% 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 $68. 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, May is the cheapest month in which you can book a flight from Harrisburg to San Juan (average of $115). Flying from Harrisburg to San Juan in December is currently the most expensive (average of $214). 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 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$155Average$332FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$235Average$570FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$341Average$561FlexibilityNo cancel feeOn-time69%

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