HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Juan

$93+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SJU
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 October or January, booked 55 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap 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 September 15, 2025.

Round-trip from

$176
(Cheapflightsfares)

One-way from

$93
(Cheapflightsfares)

Popular in

December

Cheapest in

October

Average price

$344
From Houston to San Juan
Search Deals
One-way flight from Houston to San Juan
Search Deals
Highest demand for flights based on searches. 11% 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 September 2025
Search Deals

Find flight deals from Houston to San Juan

Cheapest flights from Houston to San Juan
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 September 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Wed 12/39:29 amIAH - SJU
Nonstop4h 17mSpirit Airlines
Sun 12/79:49 pmSJU - IAH
Nonstop5h 02mSpirit Airlines
Deal found 9/14$176
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 11/92:28 pmIAH - SJU
Nonstop4h 16mSpirit Airlines
Wed 11/194:41 pmSJU - IAH
Nonstop5h 00mSpirit Airlines
Deal found 9/13$178
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 11/62:28 pmIAH - SJU
Nonstop4h 16mSpirit Airlines
Sat 11/156:00 amSJU - IAH
1 stop14h 17mSpirit Airlines
Deal found 9/13$182
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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.
Sun 10/59:39 amIAH - SJU
Nonstop4h 20mSpirit Airlines
Sun 10/1211:51 amSJU - IAH
1 stop11h 44mSpirit Airlines
Deal found 9/12$183
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
Tue 9/305:30 amIAH - SJU
1 stop7h 41mSpirit Airlines
Fri 10/102:49 amSJU - IAH
1 stop6h 44mSpirit Airlines
Deal found 9/13$186
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/289:00 amIAH - SJU
Nonstop4h 17mSpirit Airlines
Fri 10/311:59 amSJU - IAH
1 stop11h 43mSpirit Airlines
Deal found 9/15$187
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 9/289:00 amIAH - SJU
Nonstop4h 17mSpirit Airlines
Mon 9/2911:59 amSJU - IAH
1 stop12h 57mSpirit Airlines
Deal found 9/13$191
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
Tue 9/235:30 amIAH - SJU
1 stop14h 26mSpirit Airlines
Thu 9/253:22 pmSJU - IAH
Nonstop4h 59mSpirit Airlines
Deal found 9/13$193
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 9/289:00 amIAH - SJU
Nonstop4h 17mMultiple Airlines
Thu 10/28:00 amSJU - IAH
1 stop9h 09mMultiple Airlines
Deal found 9/13$194
This American Airlines deal was found by Cheapflights users on 9/13. 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 9/226:14 pmIAH - SJU
1 stop15h 57mAmerican Airlines
Fri 9/263:05 pmSJU - IAH
1 stop18h 23mAmerican Airlines
Deal found 9/13$195
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Tue 9/235:30 amIAH - SJU
1 stop7h 41mSpirit Airlines
Fri 9/2611:59 amSJU - IAH
1 stop11h 43mSpirit Airlines
Deal found 9/13$196
This Mytrip deal was found by Cheapflights users on 9/14. 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 9/289:00 amIAH - SJU
Nonstop4h 17mMultiple Airlines
Fri 10/33:39 amSJU - IAH
1 stop12h 57mMultiple Airlines
Deal found 9/14$198

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston 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 September 15, 2025.
Use the filters below to find and compare flights from Houston to San Juan that are best for you.

Fly from

Houston

Fly to

San Juan

Route

Depart

Return

Price

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Sun 10/26

10:20 am-12:15 am

2 stops12h 55m

San Juan Luis Munoz Marin Intl

Mon 11/3

6:40 am-7:45 pm

2 stops15h 05m

$295

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Mon 10/6

8:00 pm-9:55 am

1 stop12h 55m

San Juan Luis Munoz Marin Intl

Thu 10/9

1:05 pm-9:35 pm

1 stop9h 30m

$295

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Wed 9/24

6:00 am-4:31 pm

1 stop9h 31m

San Juan Luis Munoz Marin Intl

Sat 9/27

7:30 am-5:40 pm

1 stop11h 10m

$348

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Tue 9/23

10:44 am-10:00 pm

1 stop10h 16m

San Juan Luis Munoz Marin Intl

Thu 9/25

7:30 am-5:40 pm

1 stop11h 10m

$348

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Mon 9/22

6:00 am-4:31 pm

1 stop9h 31m

San Juan Luis Munoz Marin Intl

Fri 9/26

12:58 pm-10:37 pm

1 stop10h 39m

$348

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Fri 11/14

3:04 pm-9:26 pm

Nonstop4h 22m

San Juan Luis Munoz Marin Intl

Tue 11/18

7:45 am-10:51 am

Nonstop5h 06m

$386

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Tue 11/4

10:10 am-4:36 pm

Nonstop4h 26m

San Juan Luis Munoz Marin Intl

Fri 11/14

2:05 am-11:04 am

1 stop10h 59m

$391

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Wed 10/1

10:07 am-3:42 pm

Nonstop4h 35m

San Juan Luis Munoz Marin Intl

Wed 10/8

7:00 am-10:51 am

Nonstop4h 51m

$391

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Mon 10/6

10:00 am-4:40 pm

1 stop5h 40m

San Juan Luis Munoz Marin Intl

Fri 10/10

3:35 pm-9:15 pm

1 stop6h 40m

$395

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Mon 10/27

1:50 pm-12:45 am

2 stops9h 55m

San Juan Luis Munoz Marin Intl

Sat 11/1

10:40 am-4:05 pm

1 stop6h 25m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 39 results
1
2
3
4

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.
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 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 September 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, September is the cheapest month in which you can book a flight from Houston to San Juan (average of $254). Flying from Houston to San Juan in June is currently the most expensive (average of $339). 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 September 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Houston to San Juan in the evening. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the morning.

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 at noon 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 Houston 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 September 15, 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.
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.5

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.5

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
8,929 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.5

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
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.5

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
8,015 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.5

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
3,172 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

8.0

Comfort

8.0

Entertainment

7.5

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 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.

  • How long is the flight from Houston to San Juan?

    Departing from Houston to San Juan will take you 4h 22m. The distance from Houston to San Juan is about 2004 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Houston to San Juan round-trip?

    According to our current data, Delta ($108), Spirit Airlines ($120), and Frontier ($125) offers the cheapest pricing from Houston to San Juan. These flights start at 68% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Houston to San Juan one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $93. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from Houston to San Juan for a low price.

  • Can I find deals for flights from Houston to San Juan that include hotel bookings?

    Yes. In addition to deals on Houston to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to San Juan.

  • Can I find deals for business class flights from Houston to San Juan?

    Yes. Cheapflights offers flight deals from Houston to San Juan 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 Houston to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Houston to San Juan (average of $254). Flying from Houston to San Juan in June is currently the most expensive (average of $339). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Houston to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Luis Munoz Marin Intl flights
Hobby to Luis Munoz Marin Intl flights
George Bush Intcntl to Luis Munoz Marin Intl flights
Austin to Luis Munoz Marin Intl flights
Love Field to Luis Munoz Marin Intl flights
San Antonio to Luis Munoz Marin Intl flights
El Paso to Luis Munoz Marin Intl flights
Lubbock to Luis Munoz Marin Intl flights
Midland to Luis Munoz Marin Intl flights
Harlingen to Luis Munoz Marin Intl flights
McAllen to Luis Munoz Marin Intl flights
George Bush Intcntl to Culebra flights
Austin to Aguadilla flights
George Bush Intcntl to Vieques flights
Killeen to Luis Munoz Marin Intl flights
Corpus Christi to Luis Munoz Marin Intl flights
Brownsville to Luis Munoz Marin Intl flights
Dallas/Fort Worth to Mayagüez flights
Dallas/Fort Worth to Culebra flights
Dallas/Fort Worth to Aguadilla flights
Hobby to Aguadilla flights
Dallas/Fort Worth to Vieques flights
Austin to Vieques flights
Austin to Ponce flights
Austin to Mayagüez flights
San Antonio to Aguadilla flights
Waco to Luis Munoz Marin Intl flights
El Paso to Aguadilla flights
San Antonio to Culebra flights
Austin to Culebra flights

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$108Average$398FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$120Average$275FlexibilityNo cancel feeOn-time65%
FrontierCheapest$125Average$273FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$165Average$570FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$175Average$424FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$193Average$487FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.