$169+ 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 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 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 9 days in advance, depart on a Wednesday or Monday and return on a Monday
Cheap flight deals from Galveston to San Juan
Cheapest
Best
Last-minute
One-way
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 February 3, 2026.
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 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 2/3. 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 2/249:00 am
HOU
- SJU
2 stops8h 05m
Southwest
Wed 3/412:10 pm
SJU
- HOU
1 stop7h 00m
Southwest
Deal found 2/3![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 2/3. 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.
Fri 5/17:45 pm
HOU
- SJU
1 stop12h 10m
Southwest
Sat 5/910:00 am
SJU
- HOU
1 stop9h 45m
Southwest
Deal found 2/3![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 2/2. 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 6/157:00 pm
HOU
- SJU
Nonstop4h 25m
Southwest
Mon 6/226:00 am
SJU
- HOU
Nonstop4h 35m
Southwest
Deal found 2/2![Southwest logo]()
$407
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 3/1011:40 am
HOU
- SJU
1 stop6h 50m
Southwest
Mon 3/168:50 pm
SJU
- HOU
1 stop13h 20m
Southwest
Deal found 2/2![Southwest logo]()
$408
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.
Wed 6/311:00 am
HOU
- SJU
1 stop10h 40m
Southwest
Wed 6/106:30 am
SJU
- HOU
Nonstop4h 35m
Southwest
Deal found 2/3![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.
Mon 6/811:50 am
HOU
- SJU
1 stop8h 25m
Southwest
Mon 6/1510:20 pm
SJU
- HOU
2 stops12h 25m
Southwest
Deal found 2/3![Southwest logo]()
$416
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
2 stops9h 05m
Southwest
Deal found 2/2![Southwest logo]()
$418
Best flights from Galveston to San JuanDiscover carefully curated flight deals from Galveston to San Juan 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 San Juan 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 2/3. 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 3/32:00 pm
HOU
- SJU
2 stops8h 35m
Southwest
Tue 3/105:15 am
SJU
- HOU
1 stop11h 55m
Southwest
Deal found 2/3![Southwest logo]()
$364
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:21 pm
HOU
- SJU
1 stop7h 11m
American Airlines
Mon 5/411:59 pm
SJU
- HOU
1 stop10h 27m
American Airlines
Deal found 2/3![American Airlines 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.
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 2/3. 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 2/247:50 am
HOU
- SJU
1 stop11h 05m
Southwest
Wed 3/49:05 am
SJU
- HOU
1 stop12h 40m
Southwest
Deal found 2/3![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 2/2. 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 5/110:20 am
HOU
- SJU
2 stops12h 20m
Southwest
Tue 5/55:35 am
SJU
- HOU
2 stops10h 25m
Southwest
Deal found 2/2![Southwest logo]()
$390
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.
Fri 5/110:20 am
HOU
- SJU
2 stops12h 20m
Southwest
Sat 5/95:15 am
SJU
- HOU
1 stop14h 30m
Southwest
Deal found 2/3![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.
Fri 4/177:45 pm
HOU
- SJU
1 stop12h 10m
Southwest
Tue 4/215:35 am
SJU
- HOU
2 stops9h 25m
Southwest
Deal found 2/2![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 2/241:35 pm
HOU
- SJU
2 stops9h 00m
Southwest
Sat 2/286:05 am
SJU
- HOU
1 stop16h 05m
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 3/105:15 am
SJU
- HOU
1 stop11h 55m
Southwest
Deal found 2/3![Southwest logo]()
$404
Last-minute flights from Galveston to San JuanDiscover last-minute flight deals from Galveston to San Juan. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Galveston to San Juan. Data last updated February 3, 2026 and is based on user searches.
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 2/249:00 am
HOU
- SJU
2 stops8h 05m
Southwest
Wed 3/412:10 pm
SJU
- HOU
1 stop7h 00m
Southwest
Deal found 2/3![Southwest logo]()
$364
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 2/241:35 pm
HOU
- SJU
2 stops9h 00m
Southwest
Sat 2/286:05 am
SJU
- HOU
2 stops16h 45m
Southwest
Deal found 2/3![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.
Sat 2/285:15 am
HOU
- SJU
1 stop7h 05m
Southwest
Tue 3/35:40 am
SJU
- HOU
2 stops11h 10m
Southwest
Deal found 2/3![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.
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
2 stops9h 05m
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 2/3. 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 3/311:15 am
HOU
- SJU
2 stops9h 55m
Southwest
Tue 3/106:40 am
SJU
- HOU
2 stops8h 15m
Southwest
Deal found 2/3![Southwest logo]()
$382
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 3/311:15 am
HOU
- SJU
2 stops9h 55m
Southwest
Tue 3/175:15 am
SJU
- HOU
1 stop11h 55m
Southwest
Deal found 2/3![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.
Wed 3/46:05 am
HOU
- SJU
1 stop11h 00m
Southwest
Sat 3/77:05 pm
SJU
- HOU
Nonstop5h 00m
Southwest
Deal found 2/2![Southwest logo]()
$426
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.
Thu 3/1212:05 pm
HOU
- SJU
1 stop10h 30m
Southwest
Mon 3/168:50 pm
SJU
- HOU
1 stop13h 20m
Southwest
Deal found 2/2![Southwest logo]()
$430
One-way flights from Galveston to San JuanSearch for one-way flight options from Galveston to San Juan. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Galveston to San Juan. 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 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 3/31:35 pm
HOU
- SJU
2 stops9h 00m
Southwest
Deal found 2/3![Southwest 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 2/3. 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.
Wed 3/49:00 am
HOU
- SJU
2 stops8h 05m
Southwest
Deal found 2/3![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 3/122:40 pm
HOU
- SJU
1 stop7h 55m
Southwest
Deal found 2/3![Southwest logo]()
$222
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:21 pm
HOU
- SJU
2 stops15h 39m
American Airlines
Deal found 2/3![American Airlines logo]()
$236
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/110:13 am
HOU
- SJU
2 stops21h 47m
American Airlines
Deal found 2/3![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 San Juan
Keep the following information in mind while searching for Galveston to San Juan 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 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 February 3, 2026.
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 3/3
2:00 pm-12:35 am
2 stops8h 35m
San Juan Luis Munoz Marin Intl
Tue 3/10
5:15 am-4:10 pm
1 stop11h 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
7:50 am-8:55 pm
1 stop11h 05m
San Juan Luis Munoz Marin Intl
Wed 3/4
9:05 am-7:45 pm
1 stop12h 40m
$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
Fri 5/1
8:21 pm-4:32 am
1 stop7h 11m
San Juan Luis Munoz Marin Intl
Mon 5/4
11:59 pm-9:26 am
1 stop10h 27m
$390
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Fri 5/1
10:20 am-11:40 pm
2 stops12h 20m
San Juan Luis Munoz Marin Intl
Tue 5/5
5:35 am-3:00 pm
2 stops10h 25m
$390
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Fri 5/1
10:20 am-11:40 pm
2 stops12h 20m
San Juan Luis Munoz Marin Intl
Sat 5/9
5:15 am-6:45 pm
1 stop14h 30m
$390
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Fri 4/17
7:45 pm-8:55 am
1 stop12h 10m
San Juan Luis Munoz Marin Intl
Tue 4/21
5:35 am-2:00 pm
2 stops9h 25m
$390
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Tue 2/24
1:35 pm-12:35 am
2 stops9h 00m
San Juan Luis Munoz Marin Intl
Sat 2/28
6:05 am-8:10 pm
1 stop16h 05m
$404
HoustonSan Juan
HOU - SJU
HOUSJU
Houston Hobby
Sun 3/1
5:15 am-4:55 pm
2 stops9h 40m
San Juan Luis Munoz Marin Intl
Tue 3/10
5:15 am-4:10 pm
1 stop11h 55m
$404
Showing 1-10 of 20 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.
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
G4L-PR1
HOU-SJU
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 January 30, 2026.
Booking 9 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, October is the cheapest month in which you can book a flight from Galveston to San Juan (average of $108). Flying from Galveston to San Juan 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 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 February 3, 2026.
It’s typically best to fly out from Galveston to San Juan 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?
Use this chart to determine the cheapest time to fly round-trip from Galveston to San Juan. Price data was last updated on January 31, 2026.
Travelers seeking maximum savings on their Galveston to San Juan 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?
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 February 3, 2026.
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.
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
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
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Complete your trip
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Galveston and San Juan flights
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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 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% |