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San Juan

$173+ Cheap flights from Greenville (GSP) 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SJU
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheapflights Tip: The best prices from Greenville to San Juan are usually found in May or October, booked 49 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Greenville to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) 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 November 20, 2025.

Round-trip from

$238
(Mytrip)

One-way from

$173
(Kiwi.com)

Popular in

August

Cheapest in

May

Average price

$545
From Greenville to San Juan
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One-way flight from Greenville to San Juan
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Highest demand for flights based on searches. 7% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Greenville to San Juan

Cheapest flights from Greenville to San Juan
Explore the most affordable flight options available from Greenville to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This Mytrip deal was found by Cheapflights users on 11/18. 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 12/123:00 pmGSP - SJU
1 stop8h 45mMultiple Airlines
Thu 12/184:10 amSJU - GSP
1 stop6h 41mMultiple Airlines
Deal found 11/18$238
This Mytrip deal was found by Cheapflights users on 11/18. 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.
Tue 12/212:48 pmGSP - SJU
1 stop12h 05mMultiple Airlines
Thu 1/1510:52 amSJU - GSP
2 stops23h 06mMultiple Airlines
Deal found 11/18$299
This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Thu 12/49:33 amGSP - SJU
2 stops38h 12mMultiple Airlines
Mon 12/811:05 amSJU - GSP
1 stop9h 18mMultiple Airlines
Deal found 11/18$331

Cheapflights Fare Finder

 
Customize your flight search to find flights from Greenville 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 November 20, 2025.
Use the filters below to find and compare flights from Greenville to San Juan that are best for you.

Fly from

Greenville

Fly to

San Juan

Route

Depart

Return

Price

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Mon 1/5

8:58 pm-11:52 pm

1 stop25h 54m

San Juan Luis Munoz Marin Intl

Mon 1/12

6:30 am-8:59 pm

1 stop15h 29m

$286

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Fri 1/9

9:48 am-11:52 pm

1 stop13h 04m

San Juan Luis Munoz Marin Intl

Sun 1/11

3:55 am-3:59 pm

1 stop13h 04m

$297

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Thu 1/22

6:45 pm-9:47 am

2 stops14h 02m

San Juan Luis Munoz Marin Intl

Sun 1/25

10:52 am-8:58 am

2 stops23h 06m

$300

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Tue 12/2

12:48 pm-1:53 am

1 stop12h 05m

San Juan Luis Munoz Marin Intl

Thu 1/15

6:00 am-8:58 am

3 stops27h 58m

$344

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Wed 1/28

12:09 pm-8:50 pm

1 stop7h 41m

San Juan Luis Munoz Marin Intl

Mon 2/2

5:55 pm-11:26 pm

1 stop6h 31m

$385

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Thu 1/15

4:43 pm-9:47 am

2 stops16h 04m

San Juan Luis Munoz Marin Intl

Sun 1/18

6:48 pm-8:58 am

1 stop15h 10m

$402

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Wed 1/28

10:05 am-11:10 pm

1 stop12h 05m

San Juan Luis Munoz Marin Intl

Sun 2/1

7:00 am-6:00 pm

2 stops12h 00m

$410

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Wed 1/28

10:05 am-11:10 pm

1 stop12h 05m

$173

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Fri 11/28

11:41 am-11:44 pm

1 stop11h 03m

$173

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Wed 1/28

6:00 am-6:22 pm

2 stops11h 22m

$213

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 14 results
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Best time to book a flight from Greenville to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Greenville 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 Greenville to San Juan

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

Use this chart to determine the optimal time to book a round-trip flight from Greenville to San Juan. Price data was last updated on November 14, 2025.

The price you pay for your flight from Greenville to San Juan may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Greenville to San Juan (average of $117). Flying from Greenville to San Juan in October is currently the most expensive (average of $286). 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 GSP to SJU?

Find hourly flight availability from Greenville 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 November 20, 2025.

It’s typically best to fly out from Greenville to San Juan in the evening. Doing so could potentially save you 18% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 November 20, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Greenville to San Juan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,029 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,047 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Greenville 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 Greenville to San Juan?

    Greenville (GSP), located 10.4 mi from the city center, is the airport you fly out of when you book flights from Greenville to San Juan. 3 airlines have flights from Greenville to San Juan on a regular basis. Booking flights from Greenville to San Juan should not be difficult; the airport handles an average of 0 outbound flights to San Juan per day.

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

    Cheapflights users have booked flights from Greenville to San Juan round-trip from $335. Other airlines that can offer you cheap pricing are Delta, from $335, and United Airlines, from $345. American Airlines is priced at 33% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Greenville 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 Greenville to San Juan?

    Currently, January is the cheapest month in which you can book a flight from Greenville to San Juan (average of $117). Flying from Greenville to San Juan in October is currently the most expensive (average of $286). 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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Top 3 airlines flying from Greenville to San Juan

Discover the top 3 airlines that operate flights from Greenville 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$335Average$474FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$335Average$517FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$345Average$518FlexibilityNo cancel feeOn-time69%

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