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San Juan

$193+ 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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SJU
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Greenville to San Juan are usually found in September or May, booked 90 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 May 1, 2025.

Round-trip from

$345
(American Airlines)

One-way from

$193
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$440
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. 3% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/30. 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 10/227:46 pmGSP - SJU
1 stop15h 29mAmerican Airlines
Wed 10/291:55 pmSJU - GSP
1 stop5h 31mAmerican Airlines
Deal found 4/30$345
This Southwest deal was found by Cheapflights users on 4/30. 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 8/1310:25 amGSP - SJU
2 stops12h 20mSouthwest
Sun 8/1710:25 pmSJU - GSP
2 stops14h 50mSouthwest
Deal found 4/30$460
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Thu 7/244:33 pmGSP - SJU
2 stops24h 13mMultiple Airlines
Mon 7/285:41 pmSJU - GSP
2 stops21h 13mMultiple Airlines
Deal found 4/29$481
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/286:00 amGSP - SJU
1 stop6h 34mUnited Airlines
Mon 6/21:05 amSJU - GSP
1 stop10h 01mUnited Airlines
Deal found 4/30$515
This Delta deal was found by Cheapflights users on 4/30. 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.
Sun 5/47:05 amGSP - SJU
1 stop7h 14mDelta
Tue 5/67:15 amSJU - GSP
1 stop9h 11mDelta
Deal found 4/30$565

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 May 1, 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

Wed 10/22

7:46 pm-11:15 am

1 stop15h 29m

San Juan Luis Munoz Marin Intl

Wed 10/29

1:55 pm-7:26 pm

1 stop5h 31m

$345

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Wed 8/13

10:25 am-10:45 pm

2 stops12h 20m

San Juan Luis Munoz Marin Intl

Sun 8/17

10:25 pm-1:15 pm

2 stops14h 50m

$460

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Thu 7/24

4:33 pm-4:46 pm

2 stops24h 13m

San Juan Luis Munoz Marin Intl

Mon 7/28

5:41 pm-2:54 pm

2 stops21h 13m

$481

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Wed 5/28

6:00 am-12:34 pm

1 stop6h 34m

San Juan Luis Munoz Marin Intl

Mon 6/2

1:05 am-11:06 am

1 stop10h 01m

$515

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Sat 6/21

6:49 am-10:55 pm

1 stop16h 06m

$193

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Mon 6/30

5:40 pm-12:30 am

1 stop6h 50m

$268

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Sun 8/17

10:27 am-11:54 pm

2 stops13h 27m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 April 25, 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 88 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 December is currently the most expensive (average of $336). 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 May 1, 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.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 May 1, 2025.
To help decide which airline to fly from Greenville to San Juan, see what other customers have to say about Southwest, United Airlines and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,294 reviews

Entertainment

7.6

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,294 reviews
Southwest
8.0
Very good
4,294 reviews

Entertainment

7.6

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,294 reviews

Entertainment

7.6

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,294 reviews

Entertainment

7.6

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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 $345. Other airlines that can offer you cheap pricing are Southwest, from $460, and United Airlines, from $515. American Airlines is priced at 30% 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 American Airlines ($193), Southwest ($268), and United Airlines ($280).

  • 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 December is currently the most expensive (average of $336). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$324Average$479FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$334Average$506FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$375Average$527FlexibilityNo cancel feeOn-time69%

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