San Juan

$90+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SJU
Mar 11 — Mar 181
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Find cheap flights from Houston to San Juan with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Houston 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 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 February 9, 2026.

This CheapOair deal was found by Cheapflights users on 2/7. 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.
Sat 2/288:18 pm
IAH
-
SJU
1 stop15h 09m
Frontier
Mon 3/23:53 am
SJU
-
IAH
1 stop17h 11m
Frontier
Deal found 2/7$185
This CheapOair deal was found by Cheapflights users on 2/7. 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.
Tue 2/247:21 am
IAH
-
SJU
1 stop6h 10m
Multiple Airlines
Mon 3/23:53 am
SJU
-
IAH
1 stop17h 11m
Multiple Airlines
Deal found 2/7$186
This Cheapflightsfares deal was found by Cheapflights users on 2/7. 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.
Mon 2/239:40 pm
IAH
-
SJU
1 stop10h 37m
Spirit Airlines
Thu 2/2611:52 am
SJU
-
IAH
1 stop14h 07m
Spirit Airlines
Deal found 2/7$187
This Priceline deal was found by Cheapflights users on 2/8. 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.
Tue 2/248:18 pm
IAH
-
SJU
1 stop26h 25m
Frontier
Mon 3/23:53 am
SJU
-
IAH
1 stop17h 11m
Frontier
Deal found 2/8$188
This CheapOair deal was found by Cheapflights users on 2/6. 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.
Sat 2/2812:16 pm
IAH
-
SJU
1 stop8h 53m
Multiple Airlines
Mon 3/23:53 am
SJU
-
IAH
1 stop17h 11m
Multiple Airlines
Deal found 2/6$189
This CheapOair deal was found by Cheapflights users on 2/6. 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.
Tue 3/35:24 pm
IAH
-
SJU
1 stop23h 34m
Spirit Airlines
Fri 3/611:52 am
SJU
-
IAH
1 stop14h 07m
Spirit Airlines
Deal found 2/6$190
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 4/285:23 pm
IAH
-
SJU
1 stop23h 07m
Multiple Airlines
Sat 5/28:41 am
SJU
-
IAH
1 stop16h 10m
Multiple Airlines
Deal found 2/7$191
This Cheapflightsfares deal was found by Cheapflights users on 2/7. 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.
Sat 2/215:15 am
IAH
-
SJU
1 stop11h 34m
Spirit Airlines
Wed 2/2511:52 am
SJU
-
IAH
1 stop14h 07m
Spirit Airlines
Deal found 2/7$192
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Wed 5/64:22 pm
IAH
-
SJU
1 stop19h 11m
Multiple Airlines
Wed 5/1310:53 am
SJU
-
IAH
1 stop13h 58m
Multiple Airlines
Deal found 2/8$194
This Priceline deal was found by Cheapflights users on 2/6. 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.
Fri 2/208:18 pm
IAH
-
SJU
1 stop14h 39m
Multiple Airlines
Tue 2/246:00 am
SJU
-
IAH
1 stop7h 11m
Multiple Airlines
Deal found 2/6$195
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Sat 4/118:02 am
IAH
-
SJU
1 stop11h 47m
Multiple Airlines
Mon 4/1311:03 am
SJU
-
IAH
1 stop13h 46m
Multiple Airlines
Deal found 2/6$196
This Southwest deal was found by Cheapflights users on 2/8. 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 5/610:25 am
HOU
-
SJU
2 stops9h 40m
Southwest
Wed 5/135:35 am
SJU
-
HOU
1 stop11h 35m
Southwest
Deal found 2/8$364

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 February 9, 2026.

Round-trip from

$185
(CheapOair)

One-way from

$90
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$316
From Houston to San Juan
One-way flight from Houston to San Juan
Highest demand for flights based on searches. 12% potential increase in price ($52 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 9, 2026.
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

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Fri 5/1

9:27 am-10:02 am

1 stop23h 35m

San Juan Luis Munoz Marin Intl

Mon 5/4

9:49 pm-5:08 pm

2 stops20h 19m

$300

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Mon 4/27

3:03 pm-8:38 pm

Nonstop4h 35m

San Juan Luis Munoz Marin Intl

Fri 5/1

4:55 pm-12:45 am

1 stop8h 50m

$360

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Sat 5/9

5:15 am-2:40 pm

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Mon 5/11

8:40 pm-8:05 am

1 stop12h 25m

$364

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Wed 5/6

1:31 pm-11:13 pm

1 stop8h 42m

San Juan Luis Munoz Marin Intl

Wed 5/13

12:50 pm-11:08 pm

1 stop11h 18m

$364

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Sat 5/2

2:00 pm-11:40 pm

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Tue 5/5

5:35 am-3:00 pm

2 stops10h 25m

$364

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Wed 5/6

10:25 am-9:05 pm

2 stops9h 40m

San Juan Luis Munoz Marin Intl

Wed 5/13

5:35 am-2:00 pm

2 stops9h 25m

$364

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Sun 5/10

3:03 pm-8:38 pm

Nonstop4h 35m

San Juan Luis Munoz Marin Intl

Sat 5/30

2:05 am-6:01 am

Nonstop4h 56m

$381

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Wed 5/6

11:00 am-10:40 pm

1 stop10h 40m

San Juan Luis Munoz Marin Intl

Sun 5/10

6:25 am-4:00 pm

2 stops10h 35m

$390

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Tue 3/3

4:15 pm-12:35 am

1 stop6h 20m

San Juan Luis Munoz Marin Intl

Fri 3/6

11:15 am-4:55 pm

1 stop7h 40m

$390

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Wed 4/8

1:00 pm-11:40 pm

2 stops9h 40m

San Juan Luis Munoz Marin Intl

Wed 4/15

5:35 am-2:00 pm

2 stops9h 25m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 43 results
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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 January 30, 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 February 9, 2026.

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 28% 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 February 7, 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. Tuesday 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 February 9, 2026.
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.

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 35m. 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, Frontier ($100), Spirit Airlines ($102), and Delta ($108) offers the cheapest pricing from Houston to San Juan. These flights start at 72% 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 $62. 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.

  • 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

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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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$303FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$102Average$260FlexibilityNo cancel feeOn-time65%
DeltaCheapest$108Average$400FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$165Average$526FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$170Average$389FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$180Average$484FlexibilityNo cancel feeOn-time69%

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