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Luis Munoz Marin Intl

$133+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SJU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 April or February, booked 55 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap 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 December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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 12/3110:13 amHOU - SJU
1 stop11h 14mAmerican Airlines
Thu 1/87:07 amSJU - HOU
1 stop12h 59mAmerican Airlines
Deal found 12/16$455
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/298:16 pmHOU - SJU
1 stop7h 18mAmerican Airlines
Tue 1/133:54 pmSJU - HOU
1 stop8h 52mAmerican Airlines
Deal found 12/17$475
This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 12/2510:46 amHOU - SJU
1 stop10h 34mDelta
Thu 1/87:30 amSJU - HOU
1 stop10h 40mDelta
Deal found 12/17$527
This Southwest deal was found by Cheapflights users on 12/17. 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.
Mon 12/2910:30 amHOU - SJU
2 stops12h 55mSouthwest
Tue 1/135:40 amSJU - HOU
2 stops11h 10mSouthwest
Deal found 12/17$530
This Southwest deal was found by Cheapflights users on 12/16. 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.
Thu 12/1810:00 amHOU - SJU
2 stops13h 25mSouthwest
Tue 12/232:05 pmSJU - HOU
1 stop9h 50mSouthwest
Deal found 12/16$550
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/308:16 pmHOU - SJU
1 stop7h 18mAmerican Airlines
Thu 1/87:07 amSJU - HOU
1 stop12h 59mAmerican Airlines
Deal found 12/16$560
This Southwest deal was found by Cheapflights users on 12/17. 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.
Thu 12/182:10 pmHOU - SJU
2 stops8h 30mSouthwest
Thu 12/256:40 amSJU - HOU
2 stops15h 05mSouthwest
Deal found 12/17$570
This Southwest deal was found by Cheapflights users on 12/16. 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 12/2411:15 amHOU - SJU
1 stop10h 05mSouthwest
Sun 12/286:05 amSJU - HOU
1 stop9h 10mSouthwest
Deal found 12/16$575
This Southwest deal was found by Cheapflights users on 12/16. 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 12/165:00 pmHOU - SJU
1 stop5h 35mSouthwest
Tue 12/239:50 pmSJU - HOU
1 stop12h 05mSouthwest
Deal found 12/16$600
This Southwest deal was found by Cheapflights users on 12/16. 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 12/3111:15 amHOU - SJU
1 stop10h 05mSouthwest
Mon 1/53:30 pmSJU - HOU
2 stops9h 40mSouthwest
Deal found 12/16$620
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/185:40 amHOU - SJU
1 stop7h 33mAmerican Airlines
Wed 12/245:24 amSJU - HOU
2 stops12h 25mAmerican Airlines
Deal found 12/17$645

Find 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 December 18, 2025.

Round-trip from

$385
(American Airlines)

One-way from

$133
(American Airlines)

Popular in

December

Cheapest in

April

Average price

$481
From Galveston to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Galveston to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Tue 2/3

9:00 am-7:05 pm

2 stops8h 05m

San Juan Luis Munoz Marin Intl

Sat 2/7

6:00 am-2:30 pm

2 stops10h 30m

$395

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Sun 1/25

5:45 am-5:17 pm

1 stop9h 32m

San Juan Luis Munoz Marin Intl

Tue 2/3

3:55 pm-10:33 pm

1 stop8h 38m

$395

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Tue 4/7

2:00 pm-11:40 pm

2 stops8h 40m

San Juan Luis Munoz Marin Intl

Tue 4/21

5:05 am-3:00 pm

1 stop10h 55m

$395

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Thu 1/22

11:15 am-11:10 pm

2 stops9h 55m

San Juan Luis Munoz Marin Intl

Sat 1/31

6:00 am-3:15 pm

1 stop11h 15m

$395

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Tue 4/21

8:10 am-6:10 pm

1 stop9h 00m

San Juan Luis Munoz Marin Intl

Sat 4/25

7:55 pm-8:00 am

1 stop13h 05m

$395

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Thu 1/15

10:00 am-10:15 pm

1 stop10h 15m

San Juan Luis Munoz Marin Intl

Thu 1/22

5:40 am-2:20 pm

2 stops10h 40m

$395

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Tue 5/5

10:25 am-9:05 pm

2 stops9h 40m

San Juan Luis Munoz Marin Intl

Sat 5/9

1:10 pm-8:50 pm

1 stop8h 40m

$395

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Sat 5/16

5:40 am-2:50 pm

1 stop8h 10m

San Juan Luis Munoz Marin Intl

Mon 5/18

4:25 pm-12:05 am

1 stop8h 40m

$395

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Fri 2/20

7:00 pm-10:00 am

2 stops13h 00m

San Juan Luis Munoz Marin Intl

Wed 2/25

5:40 am-2:50 pm

2 stops11h 10m

$395

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Sat 5/2

11:30 am-7:05 pm

1 stop6h 35m

San Juan Luis Munoz Marin Intl

Tue 5/5

11:25 am-7:50 pm

2 stops9h 25m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 22 results
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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 December 12, 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, April is the cheapest month in which you can book a flight from Galveston to San Juan Luis Munoz Marin Intl Airport (average of $90). Flying from Galveston to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $156). 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 December 18, 2025.

It’s typically best to fly out from Galveston to San Juan Luis Munoz Marin Intl Airport at noon. Doing so could potentially save you 39% on the flight price compared to flying in the morning, which is usually more expensive.

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 Tuesday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 2025.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from Galveston to San Juan Luis Munoz Marin Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,092 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,189 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,080 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • How long is the flight from Galveston to San Juan Luis Munoz Marin Intl Airport?

    Airlines like Southwest fly from Galveston to San Juan Luis Munoz Marin Intl Airport in about 8h 05m. The time it takes to get you to your destination can typically vary by up to . Galveston and San Juan Luis Munoz Marin Intl Airport are separated by a distance of 1994 mi.

  • 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 Spirit Airlines. According to our data, you can fly for as low as $59. Users have also found prices from $72 and $72 on American Airlines and Southwest, respectively.

  • 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, April is the cheapest month in which you can book a flight from Galveston to San Juan Luis Munoz Marin Intl Airport (average of $90). Flying from Galveston to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $156). 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 San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Humacao
Luquillo
Bayamón

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.

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$108Average$396FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$119Average$269FlexibilityNo cancel feeOn-time65%
FrontierCheapest$125Average$302FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$165Average$549FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$170Average$426FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$192Average$487FlexibilityNo cancel feeOn-time69%

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