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$74+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SJU
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 2025.

Round-trip from

$145
(United Airlines)

One-way from

$74
(eDestinos)

Popular in

December

Cheapest in

September

Average price

$309
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. 13% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/62:15 pmIAH - SJU
1 stop8h 39mUnited Airlines
Fri 5/91:05 amSJU - IAH
1 stop10h 45mUnited Airlines
Deal found 4/28$145
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Fri 5/28:55 pmIAH - SJU
1 stop10h 42mSpirit Airlines
Thu 5/811:50 amSJU - IAH
Nonstop5h 00mSpirit Airlines
Deal found 4/28$148
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:29 pmIAH - SJU
1 stop9h 43mAmerican Airlines
Sun 5/116:10 amSJU - IAH
1 stop12h 09mAmerican Airlines
Deal found 4/29$155
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/31:05 pmHOU - SJU
1 stop8h 20mSouthwest
Sat 5/103:40 pmSJU - HOU
Nonstop5h 10mSouthwest
Deal found 4/28$161
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Sun 5/114:55 pmIAH - SJU
Nonstop4h 22mMultiple Airlines
Fri 5/163:56 amSJU - IAH
1 stop7h 41mMultiple Airlines
Deal found 4/29$206
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/58:16 pmHOU - SJU
1 stop7h 56mAmerican Airlines
Fri 5/96:30 amSJU - HOU
1 stop14h 14mAmerican Airlines
Deal found 4/28$210
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/34:00 pmHOU - SJU
1 stop6h 15mDelta
Tue 5/65:11 pmSJU - HOU
1 stop6h 57mDelta
Deal found 4/28$215
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/32:51 pmIAH - SJU
1 stop7h 24mDelta
Sat 5/106:15 amSJU - IAH
1 stop8h 24mDelta
Deal found 4/29$225
This Frontier deal was found by Cheapflights users on 4/29. 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.
Sun 5/119:05 pmIAH - SJU
1 stop10h 31mFrontier
Fri 5/163:56 amSJU - IAH
1 stop7h 41mFrontier
Deal found 4/29$298
This eDestinos deal was found by Cheapflights users on 4/28. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/46:14 pmHOU - SJU
1 stop15h 32mMultiple Airlines
Fri 7/113:40 amSJU - HOU
3 stops40h 02mMultiple Airlines
Deal found 4/28$756

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 April 29, 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

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Tue 5/6

2:15 pm-11:54 pm

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Thu 5/8

3:56 pm-12:51 am

1 stop9h 55m

$145

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Fri 5/2

8:55 pm-8:37 am

1 stop10h 42m

San Juan Luis Munoz Marin Intl

Thu 5/8

11:50 am-3:50 pm

Nonstop5h 00m

$148

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Mon 5/5

6:29 pm-5:12 am

1 stop9h 43m

San Juan Luis Munoz Marin Intl

Sun 5/11

6:10 am-5:19 pm

1 stop12h 09m

$155

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Sat 5/3

1:05 pm-10:25 pm

1 stop8h 20m

San Juan Luis Munoz Marin Intl

Sat 5/10

3:40 pm-7:50 pm

Nonstop5h 10m

$161

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Sun 5/11

4:55 pm-10:17 pm

Nonstop4h 22m

San Juan Luis Munoz Marin Intl

Fri 5/16

3:56 am-10:37 am

1 stop7h 41m

$206

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Mon 5/5

8:16 pm-5:12 am

1 stop7h 56m

San Juan Luis Munoz Marin Intl

Fri 5/9

6:30 am-7:44 pm

1 stop14h 14m

$210

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Sat 5/3

4:00 pm-11:15 pm

1 stop6h 15m

San Juan Luis Munoz Marin Intl

Tue 5/6

5:11 pm-11:08 pm

1 stop6h 57m

$215

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Sat 5/3

2:51 pm-11:15 pm

1 stop7h 24m

San Juan Luis Munoz Marin Intl

Wed 5/7

6:15 am-4:11 pm

1 stop10h 56m

$225

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Sun 5/11

9:05 pm-8:36 am

1 stop10h 31m

San Juan Luis Munoz Marin Intl

Fri 5/16

3:56 am-10:37 am

1 stop7h 41m

$298

HoustonSan Juan

HOU - SJU

HOUSJU

Houston Hobby

Fri 7/4

6:14 pm-10:46 am

1 stop15h 32m

San Juan Luis Munoz Marin Intl

Fri 7/11

3:40 am-6:42 pm

3 stops40h 02m

$756

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 20 results
1
2

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 April 25, 2025.

To ensure you get the cheapest price possible for a flight from Houston to San Juan, you should look to book at least 52 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 December is currently the most expensive (average of $336). 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 April 29, 2025.

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 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 April 14, 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. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 April 29, 2025.
To help decide which airline to fly from Houston to San Juan, see what other customers have to say about Southwest, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,295 reviews

Entertainment

7.6

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,295 reviews
Southwest
8.0
Very good
4,295 reviews

Entertainment

7.6

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,936 reviews
Southwest
8.0
Very good
4,295 reviews

Entertainment

7.6

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,295 reviews

Entertainment

7.6

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,295 reviews

Entertainment

7.6

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Sun Country Air
6.9
Okay
346 reviews
Southwest
8.0
Very good
4,295 reviews

Entertainment

7.6

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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.

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

    According to our current data, United Airlines ($145), Spirit Airlines ($148), and American Airlines ($155) offers the cheapest pricing from Houston to San Juan. These flights start at 56% 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 $74. 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 $636 for a flight from Houston to San Juan. The cheapest flight overall is $250 while the most popular route, (Houston Hobby - San Juan Luis Munoz Marin Intl) is currently priced at $110.

  • Where are the most common layover locations when flying from Houston to San Juan?

    Most of the time, Houston to San Juan flights that have layovers will stop in Orlando.

  • What are some popular things to do or see while on a layover in Orlando?

    If you're on a layover in Orlando and looking for things to do, consider visiting Walt Disney World Resort, Universal Orlando Resort, or International Drive. Walt Disney World Resort, Universal Orlando Resort, and International Drive are located about 16.2 mi, 10.2 mi, and 9.9 mi, respectively from Orlando. Travelers in need of a car in Orlando can rent one for about $26 per day.

  • Where are the least popular layover locations for Houston to San Juan flights?

    Houston to San Juan flights that have layovers will least frequently stop in Miami.

  • 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 December is currently the most expensive (average of $336). 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$128Average$295FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$206FlexibilityNo cancel feeOn-time62%
DeltaCheapest$197Average$398FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$238Average$507FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$244Average$444FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$297Average$568FlexibilityNo cancel feeOn-time63%

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