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San Juan

$102+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SJU
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to San Juan are usually found in April 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 octubre 30, 2025.

Round-trip from

$213
(Kiwi.com)

One-way from

$102
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$316
From Houston to San Juan
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One-way flight from Houston to San Juan
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Highest demand for flights based on searches. 10% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 octubre 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/155:27 pmIAH - SJU
1 stop21h 52mSpirit Airlines
vie. 11/218:33 pmSJU - IAH
Nonstop5h 10mSpirit Airlines
Deal found 10/29$213
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/165:34 amIAH - SJU
1 stop9h 45mMultiple Airlines
sáb. 11/223:59 amSJU - IAH
1 stop7h 40mMultiple Airlines
Deal found 10/29$214
This Frontier deal was found by Cheapflights users on 10/30. 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.
sáb. 11/156:37 pmIAH - SJU
1 stop6h 17mFrontier
vie. 11/217:11 amSJU - IAH
2 stops17h 19mFrontier
Deal found 10/30$215
This Frontier deal was found by Cheapflights users on 10/30. 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.
lun. 11/179:09 pmIAH - SJU
2 stops18h 45mFrontier
dom. 11/237:10 amSJU - IAH
1 stop8h 44mFrontier
Deal found 10/30$216
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/11:29 pmIAH - SJU
Nonstop4h 09mMultiple Airlines
lun. 12/810:42 amSJU - IAH
1 stop15h 17mMultiple Airlines
Deal found 10/29$217
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
vie. 11/1411:02 amIAH - SJU
1 stop12h 30mMultiple Airlines
vie. 11/218:33 pmSJU - IAH
Nonstop5h 10mMultiple Airlines
Deal found 10/28$218
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
sáb. 11/158:35 pmIAH - SJU
1 stop10h 10mMultiple Airlines
vie. 11/219:30 pmSJU - IAH
1 stop19h 59mMultiple Airlines
Deal found 10/28$220
This Frontier deal was found by Cheapflights users on 10/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2011:37 amIAH - SJU
1 stop11h 29mFrontier
mar. 11/257:10 amSJU - IAH
1 stop8h 44mFrontier
Deal found 10/28$221
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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.
jue. 12/115:13 pmIAH - SJU
Nonstop4h 12mSpirit Airlines
lun. 12/151:22 pmSJU - IAH
1 stop12h 37mSpirit Airlines
Deal found 10/29$222
This Frontier deal was found by Cheapflights users on 10/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2011:37 amIAH - SJU
1 stop11h 29mFrontier
dom. 11/237:10 amSJU - IAH
1 stop8h 44mFrontier
Deal found 10/29$223
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
sáb. 12/67:25 pmIAH - SJU
1 stop15h 07mSpirit Airlines
dom. 12/146:00 amSJU - IAH
Nonstop5h 12mSpirit Airlines
Deal found 10/30$224
This CheapOair deal was found by Cheapflights users on 10/30. 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.
jue. 11/135:34 amIAH - SJU
1 stop9h 45mSpirit Airlines
sáb. 11/228:33 pmSJU - IAH
Nonstop5h 10mSpirit Airlines
Deal found 10/30$225

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 octubre 30, 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

mié. 12/3

1:35 pm-12:35 am

2 stops9h 00m

San Juan Luis Munoz Marin Intl

sáb. 12/6

8:50 am-5:15 pm

2 stops10h 25m

$326

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

sáb. 11/22

12:25 pm-12:30 am

1 stop10h 05m

San Juan Luis Munoz Marin Intl

mar. 11/25

6:05 am-1:15 pm

1 stop9h 10m

$350

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

mar. 1/27

3:04 pm-9:26 pm

Nonstop4h 22m

San Juan Luis Munoz Marin Intl

jue. 1/29

2:05 am-9:23 am

1 stop9h 18m

$391

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

sáb. 1/24

11:59 pm-6:11 am

Nonstop4h 12m

San Juan Luis Munoz Marin Intl

vie. 1/30

2:05 am-9:23 am

1 stop9h 18m

$391

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

dom. 12/14

10:00 am-1:25 am

2 stops13h 25m

San Juan Luis Munoz Marin Intl

mié. 12/17

6:40 am-7:45 pm

2 stops15h 05m

$395

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

mié. 12/3

3:04 pm-9:26 pm

Nonstop4h 22m

San Juan Luis Munoz Marin Intl

vie. 12/5

2:05 am-10:25 am

1 stop10h 20m

$398

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

jue. 11/13

10:10 am-4:36 pm

Nonstop4h 26m

San Juan Luis Munoz Marin Intl

mié. 11/19

7:45 am-10:51 am

Nonstop5h 06m

$431

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

sáb. 1/10

10:50 am-11:00 pm

1 stop10h 10m

San Juan Luis Munoz Marin Intl

lun. 1/19

8:00 pm-8:00 am

1 stop14h 00m

$437

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

dom. 1/25

10:06 am-9:00 pm

1 stop8h 54m

San Juan Luis Munoz Marin Intl

sáb. 1/31

2:05 am-9:23 am

1 stop9h 18m

$441

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

sáb. 11/15

3:04 pm-9:26 pm

Nonstop4h 22m

San Juan Luis Munoz Marin Intl

sáb. 11/22

2:05 am-10:09 am

1 stop10h 04m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 October 24, 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 $101). Flying from Houston to San Juan in December is currently the most expensive (average of $179). 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 octubre 30, 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 42% 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. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 octubre 30, 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
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

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
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

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
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

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
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

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
8,116 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

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
3,122 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

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 ($128) offers the cheapest pricing from Houston to San Juan. These flights start at 69% 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 American Airlines, with whom users have recently found tickets for as low as $103. However, be on the lookout for offers from Spirit Airlines and Delta, 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, April is the cheapest month in which you can book a flight from Houston to San Juan (average of $101). Flying from Houston to San Juan in December is currently the most expensive (average of $179). 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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Alternative routes for Houston to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
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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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$108Average$370FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$120Average$277FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$292FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$165Average$563FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$175Average$434FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$190Average$484FlexibilityNo cancel feeOn-time69%

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