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$78+ Cheap flights from Galveston, TX 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SJU
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Galveston to San Juan are usually found in September or October, booked 55 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Galveston to San Juan

Keep the following information in mind while searching for Galveston to San Juan flight deals. Data was last updated junio 12, 2025.

Round-trip from

$185
(American Airlines)

One-way from

$78
(Southwest)

Popular in

December

Cheapest in

September

Average price

$328
From Galveston to San Juan
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One-way flight from Galveston to San Juan
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Highest demand for flights based on searches. 15% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 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 Galveston to San Juan

Cheapest flights from Galveston to San Juan
Explore the most affordable flight options available from Galveston to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

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.
sáb. 6/148:56 amHOU - SJU
1 stop13h 29mAmerican Airlines
jue. 6/1912:59 amSJU - HOU
1 stop8h 27mAmerican Airlines
Deal found 6/11$185
This Delta deal was found by Cheapflights users on 6/9. 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.
mar. 9/231:00 pmHOU - SJU
1 stop8h 08mDelta
mié. 10/12:28 pmSJU - HOU
1 stop8h 12mDelta
Deal found 6/9$215
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/3011:25 amHOU - SJU
1 stop7h 20mSouthwest
lun. 10/610:05 amSJU - HOU
2 stops12h 35mSouthwest
Deal found 6/10$260

Cheapflights Fare Finder

Customize your flight search to find flights from Galveston 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 junio 12, 2025.
Use the filters below to find and compare flights from Galveston to San Juan that are best for you.

Fly from

Galveston

Fly to

San Juan

Route

Depart

Return

Price

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

dom. 6/15

8:23 pm-5:06 am

1 stop7h 43m

San Juan Luis Munoz Marin Intl

jue. 6/19

12:59 am-8:26 am

1 stop8h 27m

$185

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

dom. 8/31

1:05 pm-10:07 pm

1 stop8h 02m

San Juan Luis Munoz Marin Intl

sáb. 9/6

7:30 am-5:39 pm

1 stop11h 09m

$215

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

mié. 8/13

11:25 am-7:45 pm

1 stop7h 20m

San Juan Luis Munoz Marin Intl

vie. 8/22

8:15 am-8:15 pm

2 stops13h 00m

$260

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

lun. 8/25

5:05 am-6:45 pm

1 stop12h 40m

$78

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

mar. 9/9

6:00 am-6:14 pm

2 stops11h 14m

$83

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

mar. 9/9

6:00 am-4:36 pm

1 stop9h 36m

$108

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

lun. 7/21

8:03 pm-3:30 pm

2 stops18h 27m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Galveston to San Juan

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

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

Use this chart to determine the optimal time to book a round-trip flight from Galveston to San Juan. Price data was last updated on June 9, 2025.

Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Galveston to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from Galveston to San Juan (average of $254). Flying from Galveston 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 G4L to SJU?

Find hourly flight availability from Galveston 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 junio 12, 2025.

When flying from Galveston to San Juan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Galveston to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Galveston to San Juan. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Galveston to San Juan flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 junio 12, 2025.
To help decide which airline to fly from Galveston to San Juan, see what other customers have to say about Southwest, Delta 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
4,287 reviews

Entertainment

7.6

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

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

Entertainment

7.6

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

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
7,946 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

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

Entertainment

7.6

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

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 Galveston 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 are the cheapest airlines to fly from Galveston to San Juan one-way?

    The cheapest airlines for a one-way flight from Galveston to San Juan are Southwest ($78), American Airlines ($83), and Delta ($108).

  • What are the cheapest flights from Galveston to San Juan?

    Looking at all options, your cheapest flight can be booked for $506. While the most popular route (Houston Hobby - San Juan Luis Munoz Marin Intl) can be booked for $155 on average our data indicates $590 when flying from Galveston to San Juan.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Galveston to San Juan (average of $254). Flying from Galveston 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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Alternative routes for Galveston to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Galveston to San Juan

Discover the top 6 airlines that operate flights from Galveston 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$122Average$295FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$213FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$401FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$175Average$430FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$230Average$499FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$297Average$577FlexibilityNo cancel feeOn-time63%

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