$133+ 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 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
1 adult, Economy
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Find cheap flights from Galveston to San Juan with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Galveston to San Juan 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 San Juan
Cheapest flights from Galveston to San JuanExplore 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 December 18, 2025.
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 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![American Airlines logo]()
$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![American Airlines logo]()
$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![Delta logo]()
$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![Southwest logo]()
$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![Southwest logo]()
$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![American Airlines logo]()
$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![Southwest logo]()
$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![Southwest logo]()
$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![Southwest logo]()
$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![Southwest logo]()
$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![American Airlines logo]()
$645
Find 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 December 18, 2025.
Round-trip from | $385 (American Airlines) |
|---|---|
One-way from | $133 (American Airlines) |
Popular in | December |
Cheapest in | April |
Average price | $481 |
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 December 18, 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
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
Showing 1-10 of 22 results
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 December 12, 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, April is the cheapest month in which you can book a flight from Galveston to San Juan (average of $90). Flying from Galveston to San Juan 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 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 December 18, 2025.
It’s typically best to fly out from Galveston to San Juan at noon. Doing so could potentially save you 44% on the flight price compared to flying in the evening, which is usually more expensive.
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 evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 December 18, 2025.
Read reviews from past customers who have flown Southwest, United Airlines, and American Airlines from Galveston to San Juan. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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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.
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 December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$119 | Average$269 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$125 | Average$302 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$165 | Average$549 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$170 | Average$426 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$192 | Average$487 | FlexibilityNo cancel fee | On-time69% |