$85+ Cheap flights from Houston 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Houston 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 Houston 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 Houston to San Juan
Cheapest flights from Houston to San JuanExplore the most affordable flight options available from Houston 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 Houston to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 12/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Priceline deal was found by Cheapflights users on 12/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flight deals from Houston to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.
Round-trip from | $168 (Kiwi.com) |
|---|---|
One-way from | $85 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $481 |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Houston to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
HoustonSan Juan
IAH - SJU
IAHSJU
Houston George Bush Intcntl
Thu 1/22
5:05 am-6:58 pm
2 stops11h 53m
San Juan Luis Munoz Marin Intl
Sat 1/31
11:49 am-10:51 pm
1 stop13h 02m
HoustonSan Juan
IAH - SJU
IAHSJU
Houston George Bush Intcntl
Sat 2/7
11:59 pm-6:11 am
Nonstop4h 12m
San Juan Luis Munoz Marin Intl
Wed 2/18
7:45 am-10:51 am
Nonstop5h 06m
HoustonSan Juan
IAH - SJU
IAHSJU
Houston George Bush Intcntl
Wed 2/18
3:04 pm-9:26 pm
Nonstop4h 22m
San Juan Luis Munoz Marin Intl
Wed 2/25
7:45 am-10:51 am
Nonstop5h 06m
HoustonSan Juan
IAH - SJU
IAHSJU
Houston George Bush Intcntl
Fri 1/30
11:59 pm-6:11 am
Nonstop4h 12m
San Juan Luis Munoz Marin Intl
Tue 2/3
7:45 am-10:51 am
Nonstop5h 06m
HoustonSan Juan
IAH - SJU
IAHSJU
Houston George Bush Intcntl
Sat 1/24
3:04 pm-9:26 pm
Nonstop4h 22m
San Juan Luis Munoz Marin Intl
Tue 1/27
3:46 pm-6:56 pm
Nonstop5h 10m
HoustonSan Juan
IAH - SJU
IAHSJU
Houston George Bush Intcntl
Sat 1/24
1:31 pm-12:36 am
1 stop9h 05m
San Juan Luis Munoz Marin Intl
Fri 1/30
3:46 pm-6:56 pm
Nonstop5h 10m
HoustonSan Juan
IAH - SJU
IAHSJU
Houston George Bush Intcntl
Mon 1/26
3:04 pm-9:26 pm
Nonstop4h 22m
San Juan Luis Munoz Marin Intl
Tue 2/3
2:05 am-12:04 pm
1 stop11h 59m
HoustonSan Juan
IAH - SJU
IAHSJU
Houston George Bush Intcntl
Thu 1/22
5:00 am-3:40 pm
1 stop8h 40m
San Juan Luis Munoz Marin Intl
Sat 1/31
7:45 am-10:51 am
Nonstop5h 06m
HoustonSan Juan
IAH - SJU
IAHSJU
Houston George Bush Intcntl
Thu 1/22
5:00 am-3:40 pm
1 stop8h 40m
San Juan Luis Munoz Marin Intl
Thu 1/29
7:45 am-10:51 am
Nonstop5h 06m
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
Best time to book a flight from Houston to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Houston with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Houston to San Juan
How far ahead should I book a flight from Houston to San Juan?
Use this chart to determine the optimal time to book a round-trip flight from Houston to San Juan. Price data was last updated on December 12, 2025.
To ensure you get the cheapest price possible for a flight from Houston to San Juan, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Houston to San Juan?
Currently, April is the cheapest month in which you can book a flight from Houston to San Juan (average of $90). Flying from Houston 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 HOU to SJU?
Find hourly flight availability from Houston 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.
A simple way to save on the total cost of your ticket is to fly from Houston to San Juan at noon. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight in the evening.
What is the cheapest day to fly from Houston to San Juan?
Use this chart to determine the cheapest time to fly round-trip from Houston to San Juan. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Houston 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.
How often are flights from Houston to San Juan delayed?
About 20% of weekly flights between Houston and San Juan have experienced delays in the past year, with the average delay time being 102 minutes.
What is the most punctual flight time for Houston to San Juan flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Houston to San Juan flights?
Over the last year, Southwest have had the lowest number of delays on this route, with just 20% of flights being delayed.
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.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from Houston to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Comfort
Boarding
Crew
Entertainment
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Comfort
Boarding
Crew
Entertainment
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Comfort
Boarding
Crew
Entertainment
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Comfort
Boarding
Crew
Entertainment
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Comfort
Boarding
Crew
Entertainment
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Overall
Comfort
Boarding
Crew
Entertainment
Food
Reviews
Thomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Houston 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 Houston to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Houston to San Juan
Discover the top 6 airlines that operate flights from Houston 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% |