HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Juan

$101+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SJU
Apr 28 — May 51
Tue 4/28
Tue 5/5
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 April or October, booked 9 days in advance, depart on a Thursday or Monday and return on a Tuesday

Cheap 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 March 29, 2026.

This Frontier deal was found by Cheapflights users on 3/25. 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.
Sat 4/186:10 am
IAH
-
SJU
1 stop7h 32m
Frontier
Sun 4/196:00 am
SJU
-
IAH
1 stop10h 03m
Frontier
Deal found 3/25$211
This Cheapflightsfares deal was found by Cheapflights users on 3/29. 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 4/75:15 am
IAH
-
SJU
1 stop13h 35m
Spirit Airlines
Fri 4/101:29 am
SJU
-
IAH
1 stop17h 45m
Spirit Airlines
Deal found 3/29$212
This CheapOair deal was found by Cheapflights users on 3/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 pm
IAH
-
SJU
1 stop5h 58m
Spirit Airlines
Tue 4/287:01 pm
SJU
-
IAH
2 stops17h 26m
Spirit Airlines
Deal found 3/28$213
This Cheapflightsfares deal was found by Cheapflights users on 3/26. 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 3/3111:15 am
IAH
-
SJU
1 stop9h 44m
Spirit Airlines
Fri 4/107:54 pm
SJU
-
IAH
1 stop13h 46m
Spirit Airlines
Deal found 3/26$214
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:03 am
IAH
-
SJU
1 stop29h 56m
Frontier
Mon 5/116:09 pm
SJU
-
IAH
1 stop15h 41m
Frontier
Deal found 3/26$215
This deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:14 pm
IAH
-
SJU
1 stop10h 51m
Frontier
Thu 4/306:00 am
SJU
-
IAH
1 stop10h 11m
Frontier
Deal found 3/27$216
This Cheapflightsfares deal was found by Cheapflights users on 3/28. 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 4/76:27 pm
IAH
-
SJU
1 stop16h 22m
Spirit Airlines
Thu 4/91:29 am
SJU
-
IAH
1 stop17h 45m
Spirit Airlines
Deal found 3/28$217
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/234:06 pm
IAH
-
SJU
2 stops19h 17m
Frontier
Thu 4/303:31 pm
SJU
-
IAH
1 stop7h 47m
Frontier
Deal found 3/28$218
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/1411:19 am
IAH
-
SJU
1 stop6h 36m
Multiple Airlines
Sat 4/183:47 pm
SJU
-
IAH
1 stop8h 03m
Multiple Airlines
Deal found 3/25$219
This CheapOair deal was found by Cheapflights users on 3/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:00 pm
IAH
-
SJU
1 stop5h 58m
Spirit Airlines
Sun 4/267:00 am
SJU
-
IAH
1 stop26h 23m
Spirit Airlines
Deal found 3/29$220
This Frontier deal was found by Cheapflights users on 3/27. 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.
Sun 4/122:22 pm
IAH
-
SJU
1 stop9h 55m
Frontier
Mon 4/207:15 am
SJU
-
IAH
1 stop9h 47m
Frontier
Deal found 3/27$221
This Cheapflightsfares deal was found by Cheapflights users on 3/29. 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.
Thu 4/94:30 pm
IAH
-
SJU
1 stop15h 23m
Spirit Airlines
Sun 4/121:45 am
SJU
-
IAH
1 stop9h 33m
Spirit Airlines
Deal found 3/29$222

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 March 29, 2026.

Round-trip from

$211
(Frontier)

One-way from

$101
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$403
From Houston to San Juan
Search Deals
One-way flight from Houston to San Juan
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 29, 2026.
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

Cheapest round-trip

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Sun 5/3

10:15 am-8:55 pm

2 stops9h 40m

San Juan Luis Munoz Marin Intl

Wed 5/6

5:35 am-1:15 pm

1 stop8h 40m

$446

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Sun 5/3

10:03 am-3:42 pm

Nonstop4h 39m

San Juan Luis Munoz Marin Intl

Wed 5/6

4:55 pm-12:45 am

1 stop8h 50m

$462

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Sat 5/9

10:25 am-3:35 pm

Nonstop4h 10m

San Juan Luis Munoz Marin Intl

Fri 5/15

1:00 pm-9:10 pm

1 stop9h 10m

$462

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Wed 4/15

3:03 pm-8:38 pm

Nonstop4h 35m

San Juan Luis Munoz Marin Intl

Tue 4/21

1:00 am-10:55 am

1 stop10h 55m

$462

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Thu 5/7

6:00 am-4:33 pm

1 stop9h 33m

San Juan Luis Munoz Marin Intl

Sun 5/10

1:14 pm-10:26 pm

1 stop10h 12m

$466

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Fri 5/1

10:53 am-11:13 pm

1 stop11h 20m

San Juan Luis Munoz Marin Intl

Mon 5/4

7:30 am-4:28 pm

1 stop9h 58m

$466

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Tue 6/16

2:50 pm-12:15 am

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Fri 6/19

10:20 pm-7:45 am

1 stop10h 25m

$466

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Fri 5/1

1:30 pm-11:55 pm

2 stops9h 25m

San Juan Luis Munoz Marin Intl

Mon 5/4

8:40 pm-8:05 am

1 stop12h 25m

$486

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Sun 6/14

3:03 pm-8:38 pm

Nonstop4h 35m

San Juan Luis Munoz Marin Intl

Wed 6/17

1:00 am-9:50 am

1 stop9h 50m

$502

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Fri 6/26

7:00 pm-12:25 am

Nonstop4h 25m

San Juan Luis Munoz Marin Intl

Mon 6/29

8:15 pm-9:45 am

2 stops14h 30m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 45 resultsSorted by cheapest first
1
2
3
...
5

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 March 13, 2026.

To ensure you get the cheapest price possible for a flight from Houston to San Juan, you should look to book at least 9 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, October is the cheapest month in which you can book a flight from Houston to San Juan (average of $108). Flying from Houston 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 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 March 29, 2026.

A simple way to save on the total cost of your ticket is to fly from Houston to San Juan in the afternoon. If you’re flexible enough to do this you can expect to save up to 18% 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 March 28, 2026.

Travelers seeking maximum savings on their Houston to San Juan flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday mornings 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?

How often are flights from Houston to San Juan delayed?

About 21% of weekly flights between Houston and San Juan have experienced delays in the past year, with the average delay time being 100 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 21% 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 March 29, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican 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
4,331 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Southwest
8.0
Very good
4,331 reviews
Southwest
8.0
Very good
4,331 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
United Airlines
7.4
Good
9,508 reviews
Southwest
8.0
Very good
4,331 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
American Airlines
7.1
Good
11,521 reviews
Southwest
8.0
Very good
4,331 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Spirit Airlines
6.3
Okay
8,551 reviews
Southwest
8.0
Very good
4,331 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Frontier
5.7
Fair
3,009 reviews
Southwest
8.0
Very good
4,331 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

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 39m. 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, Spirit Airlines ($107), Delta ($108), and Frontier ($109) offers the cheapest pricing from Houston to San Juan. These flights start at 71% 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 Spirit Airlines, with whom users have recently found tickets for as low as $68. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from Houston to San Juan for a low price.

  • What are the cheapest flights from Houston to San Juan?

    On average you can expect to pay $516 for a flight from Houston to San Juan. The cheapest flight overall is $417 while the most popular route, (Houston Hobby - San Juan Luis Munoz Marin Intl) is currently priced at $171.

  • 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, October is the cheapest month in which you can book a flight from Houston to San Juan (average of $108). Flying from Houston 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.

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.

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 March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$107Average$269FlexibilityNo cancel feeOn-time65%
DeltaCheapest$108Average$406FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$109Average$311FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$165Average$519FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$165Average$399FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$201Average$507FlexibilityNo 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.
Site
©2026 Cheapflights