HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Juan

$213+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SJU
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Greenville 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 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 October 28, 2025.

Round-trip from

$345
(Southwest)

One-way from

$213
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$455
From Greenville to San Juan
Search Deals
One-way flight from Greenville to San Juan
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 28, 2025.

This Southwest deal was found by Cheapflights users on 10/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1010:35 amGSP - SJU
2 stops13h 00mSouthwest
Tue 12/166:40 amSJU - GSP
2 stops10h 25mSouthwest
Deal found 10/27$345
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 11/249:53 pmGSP - SJU
1 stop24h 51mMultiple Airlines
Mon 12/112:38 pmSJU - GSP
1 stop9h 42mMultiple Airlines
Deal found 10/27$358
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 12/83:00 pmGSP - SJU
2 stops31h 25mMultiple Airlines
Sun 12/144:10 amSJU - GSP
1 stop11h 00mMultiple Airlines
Deal found 10/28$384
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/44:00 pmGSP - SJU
1 stop22h 59mMultiple Airlines
Sun 12/77:00 amSJU - GSP
1 stop15h 14mMultiple Airlines
Deal found 10/27$389
This Southwest deal was found by Cheapflights users on 10/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:35 amGSP - SJU
2 stops13h 00mSouthwest
Tue 12/96:40 amSJU - GSP
2 stops10h 25mSouthwest
Deal found 10/27$410
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 12/106:00 amGSP - SJU
1 stop7h 40mUnited Airlines
Mon 12/152:05 amSJU - GSP
1 stop10h 14mUnited Airlines
Deal found 10/27$416

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 October 28, 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

Sun 1/18

10:05 am-8:55 pm

2 stops9h 50m

San Juan Luis Munoz Marin Intl

Wed 1/21

10:20 am-7:50 pm

2 stops10h 30m

$345

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Wed 12/10

6:01 am-5:03 pm

1 stop10h 02m

San Juan Luis Munoz Marin Intl

Tue 12/16

11:00 am-11:59 pm

1 stop13h 59m

$345

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Sun 1/18

6:40 am-4:36 pm

1 stop8h 56m

San Juan Luis Munoz Marin Intl

Wed 1/21

7:45 am-3:35 pm

1 stop8h 50m

$365

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Wed 2/25

10:05 am-8:55 pm

2 stops9h 50m

San Juan Luis Munoz Marin Intl

Sat 3/7

6:00 am-1:15 pm

1 stop8h 15m

$365

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Tue 12/2

10:35 am-12:35 am

2 stops13h 00m

San Juan Luis Munoz Marin Intl

Tue 12/9

6:40 am-4:05 pm

2 stops10h 25m

$410

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Thu 2/26

7:29 pm-10:07 am

1 stop13h 38m

San Juan Luis Munoz Marin Intl

Mon 3/2

10:57 am-6:59 pm

1 stop9h 02m

$418

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Mon 12/8

5:10 am-11:59 am

1 stop5h 49m

San Juan Luis Munoz Marin Intl

Mon 12/15

6:42 pm-11:59 pm

1 stop6h 17m

$425

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Fri 2/6

6:55 pm-10:48 am

1 stop14h 53m

San Juan Luis Munoz Marin Intl

Sun 2/15

8:19 am-11:58 pm

1 stop16h 39m

$438

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Sat 3/14

2:54 pm-9:22 pm

1 stop6h 28m

San Juan Luis Munoz Marin Intl

Wed 3/18

1:05 am-11:11 am

1 stop10h 06m

$470

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Sat 2/7

10:50 am-9:30 pm

2 stops9h 40m

San Juan Luis Munoz Marin Intl

Sun 2/15

7:00 am-6:00 pm

2 stops12h 00m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 16 results
1
2

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 October 24, 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 $118). Flying from Greenville to San Juan in August is currently the most expensive (average of $224). 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 October 28, 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 October 28, 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
7,994 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 Southwest, American Airlines, and United Airlines fly from Greenville to San Juan in about 8h 56m. The time it takes to get you to your destination can typically vary by up to 1h 06m. 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 $335. Other airlines that can offer you cheap pricing are Delta, from $335, and United Airlines, from $345. American Airlines is priced at 34% 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 $118). Flying from Greenville to San Juan in August is currently the most expensive (average of $224). 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 Greenville to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to Luis Munoz Marin Intl flights
Charleston to Luis Munoz Marin Intl flights
Columbia to Luis Munoz Marin Intl flights
Savannah to Luis Munoz Marin Intl flights
Greenville to Luis Munoz Marin Intl flights
Augusta to Luis Munoz Marin Intl flights
Myrtle Beach to Luis Munoz Marin Intl flights
Charlotte to Ponce flights
Charlotte to Aguadilla flights
Hilton Head Island to Luis Munoz Marin Intl flights
Charleston to Culebra flights
Charleston to Aguadilla flights
Charlotte to Culebra flights
Charlotte to Mayagüez flights
Charlotte to Vieques flights
Florence to Luis Munoz Marin Intl flights
Myrtle Beach to Aguadilla flights
Myrtle Beach to Mayagüez flights
Greenville to Aguadilla flights
Savannah to Aguadilla flights

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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$335Average$474FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$335Average$521FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$345Average$518FlexibilityNo cancel feeOn-time69%

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.