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$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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — SJU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Greenville to San Juan are usually found in May or September, 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 June 12, 2025.

Round-trip from

$303
(Mytrip)

One-way from

$173
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$498
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 ($10 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 June 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. 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.
Wed 7/99:42 pmGSP - SJU
1 stop23h 27mMultiple Airlines
Tue 7/151:21 amSJU - GSP
2 stops19h 31mMultiple Airlines
Deal found 6/11$303
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 10/237:46 pmGSP - SJU
1 stop15h 29mAmerican Airlines
Fri 10/311:55 pmSJU - GSP
1 stop5h 31mAmerican Airlines
Deal found 6/11$345
This Delta deal was found by Cheapflights users on 6/10. 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 10/2612:00 pmGSP - SJU
1 stop10h 21mDelta
Wed 10/292:28 pmSJU - GSP
1 stop5h 48mDelta
Deal found 6/10$365
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/116:00 amGSP - SJU
1 stop7h 45mUnited Airlines
Wed 7/161:25 pmSJU - GSP
1 stop10h 18mUnited Airlines
Deal found 6/11$403
This Southwest deal was found by Cheapflights users on 6/12. 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.
Fri 9/121:50 pmGSP - SJU
1 stop9h 40mSouthwest
Tue 9/167:20 amSJU - GSP
1 stop12h 35mSouthwest
Deal found 6/12$450

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 June 12, 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 7/9

9:42 pm-9:09 pm

1 stop23h 27m

San Juan Luis Munoz Marin Intl

Tue 7/15

1:21 am-8:52 pm

2 stops19h 31m

$303

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Thu 10/23

7:46 pm-11:15 am

1 stop15h 29m

San Juan Luis Munoz Marin Intl

Fri 10/31

1:55 pm-7:26 pm

1 stop5h 31m

$345

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Sun 10/26

12:00 pm-10:21 pm

1 stop10h 21m

San Juan Luis Munoz Marin Intl

Wed 10/29

2:28 pm-8:16 pm

1 stop5h 48m

$365

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Fri 7/11

6:00 am-1:45 pm

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Wed 7/16

1:25 pm-11:43 pm

1 stop10h 18m

$403

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Fri 9/12

1:50 pm-11:30 pm

1 stop9h 40m

San Juan Luis Munoz Marin Intl

Tue 9/16

7:20 am-7:55 pm

1 stop12h 35m

$450

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Wed 6/18

9:46 pm-7:19 pm

1 stop21h 33m

$173

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Mon 7/21

3:00 pm-10:23 pm

1 stop7h 23m

$203

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Mon 7/21

6:09 pm-11:55 pm

1 stop5h 46m

$233

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Wed 7/23

12:45 pm-11:54 pm

1 stop11h 09m

$248

GreenvilleSan Juan

GSP - SJU

GSPSJU

Greenville

Mon 6/23

5:45 am-4:35 pm

2 stops10h 50m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 9, 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 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 June 12, 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 June 12, 2025.
To help decide which airline to fly from Greenville to San Juan, see what other customers have to say about Southwest, Delta and United 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
4,287 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,950 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 Delta, from $365, and United Airlines, from $403. 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 Delta ($203), American Airlines ($233), 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$324Average$476FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$334Average$514FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$375Average$527FlexibilityNo cancel feeOn-time69%

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