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Luis Munoz Marin Intl

$103+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SJU
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
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

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 November 2, 2025.

This Southwest deal was found by Cheapflights users on 11/1. 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 11/252:00 pmHOU - SJU
1 stop9h 25mSouthwest
Sat 12/610:50 amSJU - HOU
1 stop6h 35mSouthwest
Deal found 11/1$270
This Southwest deal was found by Cheapflights users on 10/30. 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.
Mon 12/81:35 pmHOU - SJU
2 stops9h 00mSouthwest
Sat 12/138:50 amSJU - HOU
2 stops10h 25mSouthwest
Deal found 10/30$280
This American Airlines deal was found by Cheapflights users on 10/31. 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 12/95:44 amHOU - SJU
2 stops10h 08mAmerican Airlines
Sat 12/136:54 amSJU - HOU
1 stop13h 05mAmerican Airlines
Deal found 10/31$290
This Southwest deal was found by Cheapflights users on 11/1. 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 12/35:00 pmHOU - SJU
1 stop5h 35mSouthwest
Sat 12/68:50 amSJU - HOU
2 stops10h 25mSouthwest
Deal found 11/1$326
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 12/76:29 pmHOU - SJU
1 stop8h 50mAmerican Airlines
Fri 12/127:00 amSJU - HOU
1 stop12h 59mAmerican Airlines
Deal found 10/30$329
This Delta deal was found by Cheapflights users on 11/1. 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.
Sat 12/62:32 pmHOU - SJU
1 stop6h 48mDelta
Tue 12/97:00 amSJU - HOU
1 stop8h 28mDelta
Deal found 11/1$330
This American Airlines deal was found by Cheapflights users on 11/2. 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 11/179:07 amHOU - SJU
1 stop10h 28mAmerican Airlines
Fri 11/217:15 amSJU - HOU
1 stop12h 37mAmerican Airlines
Deal found 11/2$374
This Delta deal was found by Cheapflights users on 11/1. 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.
Sat 12/62:32 pmHOU - SJU
1 stop6h 48mDelta
Wed 12/103:32 pmSJU - HOU
1 stop9h 16mDelta
Deal found 11/1$379
This American Airlines deal was found by Cheapflights users on 10/31. 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 11/1010:11 amHOU - SJU
1 stop9h 24mAmerican Airlines
Sat 12/136:54 amSJU - HOU
1 stop13h 05mAmerican Airlines
Deal found 10/31$388
This Southwest deal was found by Cheapflights users on 11/1. 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 12/211:15 amHOU - SJU
1 stop10h 05mSouthwest
Wed 12/103:55 pmSJU - HOU
1 stop7h 00mSouthwest
Deal found 11/1$395

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 November 2, 2025.

Round-trip from

$266
(Southwest)

One-way from

$103
(American Airlines)

Popular in

December

Cheapest in

April

Average price

$389
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. 10% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 November 2, 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

Sat 1/24

11:00 am-5:10 pm

Nonstop4h 10m

San Juan Luis Munoz Marin Intl

Fri 1/30

6:10 am-7:40 pm

2 stops15h 30m

$266

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Fri 12/5

11:15 am-11:20 pm

1 stop10h 05m

San Juan Luis Munoz Marin Intl

Tue 12/9

9:40 am-7:35 pm

1 stop11h 55m

$270

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Mon 1/26

4:15 pm-12:35 am

1 stop6h 20m

San Juan Luis Munoz Marin Intl

Thu 1/29

6:10 am-3:15 pm

1 stop11h 05m

$270

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Mon 1/19

5:35 am-2:30 pm

1 stop6h 55m

San Juan Luis Munoz Marin Intl

Wed 2/4

3:55 pm-10:35 pm

1 stop8h 40m

$285

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Wed 12/3

5:00 pm-12:35 am

1 stop5h 35m

San Juan Luis Munoz Marin Intl

Sat 12/6

8:50 am-5:15 pm

2 stops10h 25m

$326

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Tue 12/2

11:15 am-11:20 pm

1 stop10h 05m

San Juan Luis Munoz Marin Intl

Wed 12/10

3:55 pm-8:55 pm

1 stop7h 00m

$395

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Wed 12/10

6:00 am-5:28 pm

1 stop9h 28m

San Juan Luis Munoz Marin Intl

Fri 1/16

6:15 am-4:12 pm

1 stop11h 57m

$405

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Sun 12/7

6:00 am-2:14 pm

1 stop6h 14m

San Juan Luis Munoz Marin Intl

Tue 12/9

7:00 am-1:28 pm

1 stop8h 28m

$405

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Wed 12/10

11:15 am-11:20 pm

1 stop10h 05m

San Juan Luis Munoz Marin Intl

Mon 12/15

5:45 am-2:10 pm

2 stops10h 25m

$427

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Wed 1/14

5:35 am-2:30 pm

1 stop6h 55m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 17 results
1
2

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 October 31, 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 $101). Flying from Galveston to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $179). 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 November 2, 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 38% 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. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Galveston to San Juan Luis Munoz Marin Intl Airport?

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 November 2, 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
8.0
Very good
4,240 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,997 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,034 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,120 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,118 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 and Delta fly from Galveston to San Juan Luis Munoz Marin Intl Airport in about 4h 10m. The time it takes to get you to your destination can typically vary by up to 2h 45m. Galveston and San Juan Luis Munoz Marin Intl Airport are separated by a distance of 1994 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $101). Flying from Galveston to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $179). 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
Luquillo
Humacao

Browse thousands of different options on Cheapflights for your next trip

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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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$108Average$373FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$119Average$277FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$293FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$165Average$558FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$170Average$427FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$192Average$486FlexibilityNo cancel feeOn-time69%

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