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San Juan

$203+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SJU
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from Greenville to San Juan are usually found in May or November, 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 August 20, 2025.

Round-trip from

$345
(Delta)

One-way from

$203
(Delta)

Popular in

December

Cheapest in

May

Average price

$600
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. 2% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:01 amGSP - SJU
1 stop6h 37mAmerican Airlines
Mon 11/175:59 pmSJU - GSP
1 stop16h 40mAmerican Airlines
Deal found 8/18$345
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Thu 10/303:32 pmGSP - SJU
1 stop10h 12mMultiple Airlines
Sat 11/88:28 pmSJU - GSP
1 stop19h 18mMultiple Airlines
Deal found 8/19$351
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/236:00 amGSP - SJU
1 stop8h 53mAmerican Airlines
Fri 9/264:43 pmSJU - GSP
1 stop16h 42mAmerican Airlines
Deal found 8/19$365
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Mon 9/226:03 amGSP - SJU
1 stop9h 49mAmerican Airlines
Sat 9/273:55 pmSJU - GSP
2 stops17h 02mAmerican Airlines
Deal found 8/19$366
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/166:02 amGSP - SJU
2 stops12h 12mAmerican Airlines
Tue 9/236:10 amSJU - GSP
2 stops16h 48mAmerican Airlines
Deal found 8/19$382
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 9/216:00 amGSP - SJU
1 stop6h 50mAmerican Airlines
Wed 9/244:43 pmSJU - GSP
1 stop6h 15mAmerican Airlines
Deal found 8/20$392
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Fri 10/313:23 pmGSP - SJU
2 stops27h 51mMultiple Airlines
Sat 11/88:28 pmSJU - GSP
1 stop19h 18mMultiple Airlines
Deal found 8/19$393
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:04 amGSP - SJU
1 stop6h 29mDelta
Fri 11/73:36 pmSJU - GSP
1 stop9h 18mDelta
Deal found 8/19$400
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Sat 10/188:50 amGSP - SJU
1 stop15h 04mAmerican Airlines
Sun 10/267:10 amSJU - GSP
1 stop8h 12mAmerican Airlines
Deal found 8/19$402
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 10/255:00 amGSP - SJU
2 stops7h 44mAmerican Airlines
Mon 11/35:59 pmSJU - GSP
1 stop16h 40mAmerican Airlines
Deal found 8/17$407

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 August 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

Fri 11/14

6:01 am-1:38 pm

1 stop6h 37m

San Juan Luis Munoz Marin Intl

Mon 11/17

5:59 pm-9:39 am

1 stop16h 40m

$345

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Sun 2/1

6:45 am-5:15 pm

1 stop9h 30m

San Juan Luis Munoz Marin Intl

Fri 2/27

6:15 am-11:00 am

1 stop5h 45m

$345

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Sat 1/10

6:24 pm-11:45 am

1 stop16h 21m

San Juan Luis Munoz Marin Intl

Thu 1/15

2:45 pm-12:15 am

1 stop10h 30m

$345

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Thu 1/22

5:38 am-3:45 pm

1 stop9h 07m

San Juan Luis Munoz Marin Intl

Mon 1/26

12:50 pm-12:15 am

1 stop12h 25m

$345

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Thu 10/30

3:32 pm-1:44 am

1 stop10h 12m

San Juan Luis Munoz Marin Intl

Sat 11/8

8:28 pm-2:46 pm

1 stop19h 18m

$351

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Fri 10/31

6:35 am-4:33 pm

1 stop9h 58m

San Juan Luis Munoz Marin Intl

Fri 11/7

3:36 pm-11:54 pm

1 stop9h 18m

$365

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Sat 10/25

8:50 am-11:54 pm

1 stop15h 04m

San Juan Luis Munoz Marin Intl

Mon 11/3

5:59 pm-11:11 pm

1 stop6h 12m

$365

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Sun 10/26

4:02 pm-11:54 pm

1 stop7h 52m

San Juan Luis Munoz Marin Intl

Fri 10/31

1:50 pm-11:21 pm

1 stop9h 31m

$365

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Thu 10/30

7:00 am-10:10 pm

1 stop15h 10m

San Juan Luis Munoz Marin Intl

Sat 11/8

2:41 pm-11:58 pm

2 stops10h 17m

$365

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Sun 9/21

5:30 am-11:48 am

1 stop6h 18m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 17 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 August 8, 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, September is the cheapest month in which you can book a flight from Greenville to San Juan (average of $254). Flying from Greenville 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 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 August 20, 2025.

It’s typically best to fly out from Greenville to San Juan at noon. Doing so could potentially save you 24% on the flight price compared to flying in the afternoon, which is usually more expensive.

How much does it cost to fly round-trip from Greenville 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 August 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
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
8,928 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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 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.

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

    Airlines like American Airlines and Delta fly from Greenville to San Juan in about 6h 37m. The time it takes to get you to your destination can typically vary by up to 2h 53m. Greenville and San Juan are separated by a distance of 1510 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $324. Other airlines that can offer you cheap pricing are American Airlines, from $335, and United Airlines, from $345. Delta is priced at 36% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Greenville to San Juan are Delta ($203), American Airlines ($203), and United Airlines ($248).

  • 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, September is the cheapest month in which you can book a flight from Greenville to San Juan (average of $254). Flying from Greenville 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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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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$324Average$476FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$335Average$531FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$345Average$518FlexibilityNo cancel feeOn-time69%

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