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Luis Munoz Marin Intl

$78+ Cheap flights from Galveston, TX to Luis Munoz Marin Intl (SJU)

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
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Galveston to San Juan Luis Munoz Marin Intl 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 Luis Munoz Marin Intl

Keep the following information in mind while searching for Galveston to Luis Munoz Marin Intl flight deals. Data was last updated June 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 Luis Munoz Marin Intl
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One-way flight from Galveston to San Juan Luis Munoz Marin Intl
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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 Luis Munoz Marin Intl

Cheapest flights from Galveston to Luis Munoz Marin Intl
Explore the most affordable flight options available from Galveston to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 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.
Sat 6/148:56 amHOU - SJU
1 stop13h 29mAmerican Airlines
Thu 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.
Tue 9/231:00 pmHOU - SJU
1 stop8h 08mDelta
Wed 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.
Tue 9/3011:25 amHOU - SJU
1 stop7h 20mSouthwest
Mon 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 Luis Munoz Marin Intl 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 Galveston to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Galveston

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Sun 6/15

8:23 pm-5:06 am

1 stop7h 43m

San Juan Luis Munoz Marin Intl

Thu 6/19

12:59 am-8:26 am

1 stop8h 27m

$185

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Sun 8/31

1:05 pm-10:07 pm

1 stop8h 02m

San Juan Luis Munoz Marin Intl

Sat 9/6

7:30 am-5:39 pm

1 stop11h 09m

$215

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Wed 8/13

11:25 am-7:45 pm

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Fri 8/22

8:15 am-8:15 pm

2 stops13h 00m

$260

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Mon 8/25

5:05 am-6:45 pm

1 stop12h 40m

$78

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Tue 9/9

6:00 am-6:14 pm

2 stops11h 14m

$83

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Tue 9/9

6:00 am-4:36 pm

1 stop9h 36m

$108

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Mon 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 Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Galveston to San Juan Luis Munoz Marin Intl Airport?

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

The best time to book flights from Galveston to San Juan Luis Munoz Marin Intl Airport is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Galveston to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Galveston to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Galveston to San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl. 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.

When flying from Galveston to San Juan Luis Munoz Marin Intl Airport, 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 Luis Munoz Marin Intl Airport?

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

Travelers seeking maximum savings on their Galveston to San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, 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 Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated June 12, 2025.
See what other customers who have flown with Southwest, Delta and American Airlines from Galveston to San Juan have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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 Galveston to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl Airport one-way?

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $78. Users have also found prices from $83 and $108 on American Airlines and Delta, respectively.

  • What are the cheapest flights from Galveston to San Juan Luis Munoz Marin Intl Airport?

    On average you can expect to pay $590 for a flight from Galveston to San Juan Luis Munoz Marin Intl Airport. The cheapest flight overall is $506 while the most popular route, (Houston Hobby - San Juan Luis Munoz Marin Intl) is currently priced at $155.

  • Can I find deals for flights from Galveston to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Galveston to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Galveston to Luis Munoz Marin Intl?

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

  • Can I find deals for business class flights from Galveston to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Galveston to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Galveston to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Galveston to San Juan Luis Munoz Marin Intl Airport 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

Traveling to a place near Galveston?

Book flights to Galveston if you plan to visit one of these locations
Dorado
Fajardo
Luquillo
Rio Grande
Humacao
Bayamón

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Top 6 airlines flying from Galveston to Luis Munoz Marin Intl

Discover the top 6 airlines that operate flights from Galveston to Luis Munoz Marin Intl. 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
Spirit AirlinesCheapest$122Average$266FlexibilityNo 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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