$169+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SJU
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from Galveston to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl are usually found in April or February, booked 9 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
Best
Last-minute
One-way
Cheapest flights from Galveston to Luis Munoz Marin IntlExplore 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 February 3, 2026.
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 February 3, 2026.
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:55 pm
HOU
- SJU
2 stops7h 40m
Southwest
Wed 3/410:20 am
SJU
- HOU
2 stops10h 15m
Southwest
Deal found 2/2![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:35 pm
HOU
- SJU
2 stops9h 00m
Southwest
Wed 3/410:20 am
SJU
- HOU
1 stop11h 50m
Southwest
Deal found 2/2![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:20 pm
HOU
- SJU
2 stops9h 05m
Southwest
Mon 5/188:40 pm
SJU
- HOU
1 stop12h 25m
Southwest
Deal found 2/2![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 2/1. 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.
Sat 5/210:25 am
HOU
- SJU
Nonstop4h 10m
Southwest
Wed 5/611:25 am
SJU
- HOU
1 stop12h 20m
Southwest
Deal found 2/1![Southwest logo]()
$386
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:45 pm
HOU
- SJU
1 stop12h 10m
Southwest
Sun 5/179:45 pm
SJU
- HOU
1 stop11h 50m
Southwest
Deal found 2/2![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:15 am
HOU
- SJU
2 stops9h 55m
Southwest
Sat 2/286:05 am
SJU
- HOU
1 stop16h 05m
Southwest
Deal found 2/2![Southwest logo]()
$404
This Southwest deal was found by Cheapflights users on 2/1. 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.
Mon 6/157:00 pm
HOU
- SJU
Nonstop4h 25m
Southwest
Sun 6/215:45 am
SJU
- HOU
Nonstop4h 35m
Southwest
Deal found 2/1![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 2/3. 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 3/1011:05 am
HOU
- SJU
2 stops10h 55m
Southwest
Tue 3/1710:10 am
SJU
- HOU
2 stops10h 55m
Southwest
Deal found 2/3![Southwest logo]()
$408
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:40 pm
HOU
- SJU
1 stop12h 45m
Southwest
Mon 6/226:00 am
SJU
- HOU
Nonstop4h 35m
Southwest
Deal found 2/2![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 2/3. 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 6/910:30 am
HOU
- SJU
1 stop11h 15m
Southwest
Mon 6/1510:20 pm
SJU
- HOU
2 stops12h 25m
Southwest
Deal found 2/3![Southwest logo]()
$416
Best flights from Galveston to Luis Munoz Marin IntlDiscover carefully curated flight deals from Galveston to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Galveston to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:55 pm
HOU
- SJU
2 stops7h 40m
Southwest
Wed 3/410:20 am
SJU
- HOU
1 stop8h 50m
Southwest
Deal found 2/2![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 1/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:15 am
HOU
- SJU
1 stop7h 05m
Southwest
Wed 2/2510:20 am
SJU
- HOU
1 stop8h 50m
Southwest
Deal found 1/31![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 1/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:30 am
HOU
- SJU
2 stops9h 35m
Southwest
Sat 3/79:50 pm
SJU
- HOU
1 stop12h 55m
Southwest
Deal found 1/31![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:50 am
HOU
- SJU
1 stop11h 15m
Southwest
Wed 4/2211:25 am
SJU
- HOU
2 stops9h 55m
Southwest
Deal found 2/2![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 2/1. 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 2/242:00 pm
HOU
- SJU
2 stops8h 35m
Southwest
Wed 3/45:40 am
SJU
- HOU
1 stop8h 15m
Southwest
Deal found 2/1![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 1/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:00 am
HOU
- SJU
1 stop9h 50m
Southwest
Thu 3/59:50 pm
SJU
- HOU
1 stop13h 50m
Southwest
Deal found 1/31![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3010:20 am
HOU
- SJU
2 stops12h 20m
Southwest
Mon 5/44:25 pm
SJU
- HOU
1 stop8h 40m
Southwest
Deal found 2/2![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 2/1. 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.
Thu 3/1212:05 pm
HOU
- SJU
1 stop10h 30m
Southwest
Mon 3/168:50 pm
SJU
- HOU
1 stop13h 20m
Southwest
Deal found 2/1![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 2/1. 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 2/249:00 am
HOU
- SJU
2 stops8h 05m
Southwest
Sat 2/286:05 am
SJU
- HOU
2 stops16h 45m
Southwest
Deal found 2/1![Southwest logo]()
$404
Last-minute flights from Galveston to Luis Munoz Marin IntlDiscover last-minute flight deals from Galveston to Luis Munoz Marin Intl. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Galveston to Luis Munoz Marin Intl. Data last updated February 3, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/1. 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.
Tue 2/241:06 pm
HOU
- SJU
1 stop6h 06m
Delta
Wed 3/46:15 am
SJU
- HOU
1 stop8h 05m
Delta
Deal found 2/1![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:25 am
HOU
- SJU
1 stop7h 07m
Delta
Tue 3/107:30 am
SJU
- HOU
1 stop6h 58m
Delta
Deal found 2/2![Delta logo]()
$390
This Southwest deal was found by Cheapflights users on 2/1. 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 2/249:00 am
HOU
- SJU
2 stops8h 05m
Southwest
Sat 2/286:05 am
SJU
- HOU
2 stops16h 45m
Southwest
Deal found 2/1![Southwest logo]()
$404
This Southwest deal was found by Cheapflights users on 2/3. 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.
Sun 3/15:15 am
HOU
- SJU
2 stops9h 40m
Southwest
Tue 3/106:40 am
SJU
- HOU
2 stops8h 15m
Southwest
Deal found 2/3![Southwest logo]()
$422
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:00 am
HOU
- SJU
1 stop9h 50m
Southwest
Mon 3/95:30 am
SJU
- HOU
1 stop10h 25m
Southwest
Deal found 2/2![Southwest logo]()
$418
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:55 pm
HOU
- SJU
2 stops7h 40m
Southwest
Wed 3/410:20 am
SJU
- HOU
2 stops10h 15m
Southwest
Deal found 2/2![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 2/1. 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 3/39:00 am
HOU
- SJU
2 stops8h 05m
Southwest
Tue 3/106:40 am
SJU
- HOU
2 stops8h 15m
Southwest
Deal found 2/1![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:05 am
HOU
- SJU
1 stop11h 00m
Southwest
Sat 3/79:50 pm
SJU
- HOU
1 stop12h 55m
Southwest
Deal found 2/2![Southwest logo]()
$416
This Southwest deal was found by Cheapflights users on 2/3. 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 3/1011:05 am
HOU
- SJU
2 stops10h 55m
Southwest
Tue 3/1710:10 am
SJU
- HOU
2 stops10h 55m
Southwest
Deal found 2/3![Southwest logo]()
$408
This Southwest deal was found by Cheapflights users on 2/1. 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.
Thu 3/122:50 pm
HOU
- SJU
2 stops7h 45m
Southwest
Mon 3/168:50 pm
SJU
- HOU
1 stop13h 20m
Southwest
Deal found 2/1![Southwest logo]()
$430
One-way flights from Galveston to Luis Munoz Marin IntlSearch for one-way flight options from Galveston to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Galveston to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Mytrip deal was found by Cheapflights users on 2/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:32 pm
HOU
- SJU
1 stop16h 48m
Avelo Airlines
Deal found 2/3![Avelo Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 2/3. 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 3/310:50 am
HOU
- SJU
1 stop8h 22m
Delta
Deal found 2/3![Delta logo]()
$182
This Mytrip deal was found by Cheapflights users on 2/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:09 pm
HOU
- SJU
1 stop16h 41m
Avelo Airlines
Deal found 2/3![Avelo Airlines logo]()
$194
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:15 am
HOU
- SJU
1 stop11h 45m
Southwest
Deal found 2/2![Southwest logo]()
$200
This Southwest deal was found by Cheapflights users on 2/3. 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.
Sat 5/210:25 am
HOU
- SJU
Nonstop4h 10m
Southwest
Deal found 2/3![Southwest logo]()
$204
This Delta deal was found by Cheapflights users on 2/3. 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 3/262:13 pm
HOU
- SJU
1 stop8h 02m
Delta
Deal found 2/3![Delta logo]()
$208
This Mytrip deal was found by Cheapflights users on 2/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:32 pm
HOU
- SJU
1 stop16h 48m
Avelo Airlines
Deal found 2/3![Avelo Airlines logo]()
$210
This Southwest deal was found by Cheapflights users on 2/3. 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.
Sat 4/2510:25 am
HOU
- SJU
Nonstop4h 10m
Southwest
Deal found 2/3![Southwest logo]()
$218
This Southwest deal was found by Cheapflights users on 2/3. 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 3/122:50 pm
HOU
- SJU
2 stops7h 45m
Southwest
Deal found 2/3![Southwest logo]()
$222
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 3/36:00 am
HOU
- SJU
2 stops13h 34m
American Airlines
Deal found 2/2![American Airlines logo]()
$236
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Sun 5/39:57 am
HOU
- SJU
2 stops22h 16m
American Airlines
Deal found 2/2![American Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 2/3. 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.
Mon 3/3011:33 am
HOU
- SJU
1 stop10h 42m
Delta
Deal found 2/3![Delta logo]()
$248
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 February 3, 2026.
Round-trip from | $359 (Southwest) |
|---|---|
One-way from | $169 (Mytrip) |
Popular in | December |
Cheapest in | April |
Average price | $316 |
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 February 3, 2026.
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 3/3
2:55 pm-12:35 am
2 stops7h 40m
San Juan Luis Munoz Marin Intl
Wed 3/4
10:20 am-5:10 pm
1 stop8h 50m
$359
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Sat 2/21
5:15 am-2:20 pm
1 stop7h 05m
San Juan Luis Munoz Marin Intl
Wed 2/25
10:20 am-5:10 pm
1 stop8h 50m
$364
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Wed 3/4
7:30 am-7:05 pm
2 stops9h 35m
San Juan Luis Munoz Marin Intl
Sat 3/7
9:50 pm-8:45 am
1 stop12h 55m
$364
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Sat 4/18
6:50 am-7:05 pm
1 stop11h 15m
San Juan Luis Munoz Marin Intl
Wed 4/22
11:25 am-8:20 pm
2 stops9h 55m
$364
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Tue 2/24
2:00 pm-12:35 am
2 stops8h 35m
San Juan Luis Munoz Marin Intl
Wed 3/4
5:40 am-11:55 am
1 stop8h 15m
$364
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Mon 3/2
10:00 am-9:50 pm
1 stop9h 50m
San Juan Luis Munoz Marin Intl
Thu 3/5
9:50 pm-9:40 am
1 stop13h 50m
$364
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Thu 4/30
10:20 am-11:40 pm
2 stops12h 20m
San Juan Luis Munoz Marin Intl
Mon 5/4
4:25 pm-12:05 am
1 stop8h 40m
$382
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Thu 3/12
12:05 pm-11:35 pm
1 stop10h 30m
San Juan Luis Munoz Marin Intl
Mon 3/16
8:50 pm-9:10 am
1 stop13h 20m
$390
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Tue 2/24
9:00 am-7:05 pm
2 stops8h 05m
San Juan Luis Munoz Marin Intl
Sat 2/28
6:05 am-8:50 pm
2 stops16h 45m
$404
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Mon 5/4
6:00 am-4:23 pm
1 stop9h 23m
$182
Showing 1-10 of 18 results
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.
HOU-SJU
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
G4L-SJU
HOU-SJU
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 January 30, 2026.
The best time to book flights from Galveston to San Juan Luis Munoz Marin Intl Airport is 9 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, October is the cheapest month in which you can book a flight from Galveston to San Juan Luis Munoz Marin Intl Airport (average of $108). Flying from Galveston to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $151). 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 February 3, 2026.
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 27% 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 January 31, 2026.
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. Tuesday evenings 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 February 3, 2026.
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.
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
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 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.
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 locationsFajardo
Dorado
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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$302 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$102 | Average$261 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$108 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$165 | Average$546 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$170 | Average$430 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$177 | Average$481 | FlexibilityNo cancel fee | On-time69% |