HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luis Munoz Marin Intl

$86+ Cheap flights from Houston to Luis Munoz Marin Intl (SJU)

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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SJU
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl are usually found in April or February, booked 55 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from Houston to Luis Munoz Marin Intl

Cheapest flights from Houston to Luis Munoz Marin Intl
Explore the most affordable flight options available from Houston to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Super.com deal was found by Cheapflights users on 12/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:13 pmIAH - SJU
Nonstop4h 12mSpirit Airlines
Sun 12/216:00 amSJU - IAH
Nonstop5h 17mSpirit Airlines
Deal found 12/13$191
This Super.com deal was found by Cheapflights users on 12/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:43 pmIAH - SJU
1 stop16h 38mSpirit Airlines
Sun 12/216:00 amSJU - IAH
Nonstop5h 17mSpirit Airlines
Deal found 12/13$198
This Frontier deal was found by Cheapflights users on 12/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:34 pmIAH - SJU
1 stop9h 49mFrontier
Mon 1/126:10 amSJU - IAH
1 stop13h 05mFrontier
Deal found 12/14$205
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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.
Wed 12/317:45 pmIAH - SJU
1 stop12h 48mSpirit Airlines
Mon 1/1211:52 amSJU - IAH
1 stop13h 04mSpirit Airlines
Deal found 12/15$206
This Spirit deal was found by Cheapflights users on 12/12. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:25 pmIAH - SJU
1 stop15h 07mSpirit Airlines
Wed 12/177:07 pmSJU - IAH
1 stop15h 53mSpirit Airlines
Deal found 12/12$217
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:55 pmIAH - SJU
1 stop15h 03mMultiple Airlines
Mon 1/129:23 pmSJU - IAH
1 stop23h 16mMultiple Airlines
Deal found 12/15$219
This Priceline deal was found by Cheapflights users on 12/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:13 pmIAH - SJU
Nonstop4h 12mSpirit Airlines
Tue 12/236:00 amSJU - IAH
Nonstop5h 17mSpirit Airlines
Deal found 12/15$222
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:13 pmIAH - SJU
Nonstop4h 12mMultiple Airlines
Sun 12/2110:08 amSJU - IAH
1 stop23h 13mMultiple Airlines
Deal found 12/12$226
This CheapOair deal was found by Cheapflights users on 12/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:45 pmIAH - SJU
1 stop12h 48mSpirit Airlines
Sat 1/106:00 amSJU - IAH
1 stop7h 11mSpirit Airlines
Deal found 12/15$228
This Frontier deal was found by Cheapflights users on 12/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:25 amIAH - SJU
1 stop10h 17mFrontier
Thu 1/87:35 amSJU - IAH
1 stop11h 25mFrontier
Deal found 12/14$233
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:40 amIAH - SJU
1 stop15h 26mMultiple Airlines
Tue 12/236:00 amSJU - IAH
Nonstop5h 17mMultiple Airlines
Deal found 12/14$235
This American Airlines deal was found by Cheapflights users on 12/13. 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.
Tue 12/165:44 amHOU - SJU
1 stop7h 00mAmerican Airlines
Sat 12/201:30 amSJU - HOU
1 stop12h 09mAmerican Airlines
Deal found 12/13$500

Find flight deals from Houston to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Luis Munoz Marin Intl (SJU). 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 December 15, 2025.

Round-trip from

$176
(Mytrip)

One-way from

$86
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$481
From Houston to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Houston to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($50 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 December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to Luis Munoz Marin Intl 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 December 15, 2025.
Use the filters below to find and compare flights from Houston to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Houston

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Sat 3/21

11:10 am-11:23 pm

1 stop11h 13m

San Juan Luis Munoz Marin Intl

Tue 3/24

1:30 am-10:17 am

1 stop9h 47m

$307

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Thu 3/19

11:10 am-12:55 am

1 stop12h 45m

San Juan Luis Munoz Marin Intl

Fri 3/27

1:30 am-10:17 am

1 stop9h 47m

$348

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Sun 4/12

3:03 pm-8:38 pm

Nonstop4h 35m

San Juan Luis Munoz Marin Intl

Wed 4/15

7:00 am-10:53 am

Nonstop4h 53m

$386

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Sat 1/24

3:04 pm-9:26 pm

Nonstop4h 22m

San Juan Luis Munoz Marin Intl

Thu 1/29

7:45 am-10:51 am

Nonstop5h 06m

$386

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Sat 4/18

10:03 am-3:42 pm

Nonstop4h 39m

San Juan Luis Munoz Marin Intl

Sat 5/23

7:00 am-10:51 am

Nonstop4h 51m

$386

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Sat 5/30

3:02 pm-8:38 pm

Nonstop4h 36m

San Juan Luis Munoz Marin Intl

Fri 6/5

7:00 am-10:51 am

Nonstop4h 51m

$386

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Mon 2/23

8:30 am-9:00 pm

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Fri 2/27

7:45 am-10:51 am

Nonstop5h 06m

$391

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Fri 1/23

11:59 pm-6:11 am

Nonstop4h 12m

San Juan Luis Munoz Marin Intl

Sat 1/31

7:45 am-10:51 am

Nonstop5h 06m

$391

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Sun 1/18

10:10 am-4:36 pm

Nonstop4h 26m

San Juan Luis Munoz Marin Intl

Fri 2/6

2:05 am-9:24 am

1 stop9h 19m

$391

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Sat 2/14

11:59 pm-6:11 am

Nonstop4h 12m

San Juan Luis Munoz Marin Intl

Tue 2/17

2:05 am-10:48 am

1 stop10h 43m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 41 results
1
2
3
...
5

Best time to book a flight from Houston to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Houston to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Houston to Luis Munoz Marin Intl. Price data was last updated on December 12, 2025.

Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to San Juan Luis Munoz Marin Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Houston to San Juan Luis Munoz Marin Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Houston to San Juan Luis Munoz Marin Intl Airport (average of $90). Flying from Houston to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $156). 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 Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Houston to San Juan Luis Munoz Marin Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Houston to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Houston to Luis Munoz Marin Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday 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 Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated December 15, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines from Houston to San Juan Luis Munoz Marin Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Overall

7.9

Entertainment

7.5

Comfort

8.0

Food

7.0

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
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Overall

7.9

Entertainment

7.5

Comfort

8.0

Food

7.0

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
United Airlines
7.4
Good
9,092 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Overall

7.9

Entertainment

7.5

Comfort

8.0

Food

7.0

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
American Airlines
7.2
Good
11,052 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Overall

7.9

Entertainment

7.5

Comfort

8.0

Food

7.0

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
Spirit Airlines
6.3
Okay
8,185 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Overall

7.9

Entertainment

7.5

Comfort

8.0

Food

7.0

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
Frontier
5.8
Fair
3,080 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Overall

7.9

Entertainment

7.5

Comfort

8.0

Food

7.0

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 Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl Airport?

    Departing from Houston to San Juan Luis Munoz Marin Intl Airport will take you 8h 25m. Houston and San Juan Luis Munoz Marin Intl Airport are separated by a distance of 1994 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Houston to San Juan Luis Munoz Marin Intl Airport round-trip?

    Flying on Frontier is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at $100. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Delta, with the lowest prices starting at $103 and $108, respectively. You may be able to fly from Houston to San Juan Luis Munoz Marin Intl Airport for 71% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Houston to San Juan Luis Munoz Marin Intl Airport one-way?

    The cheapest airlines for a one-way flight from Houston to San Juan Luis Munoz Marin Intl Airport are Spirit Airlines ($59), American Airlines ($72), and Southwest ($72).

  • Can I find deals for flights from Houston to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Houston to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Luis Munoz Marin Intl?

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

  • Can I find deals for business class flights from Houston to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Houston to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Houston to San Juan Luis Munoz Marin Intl Airport (average of $90). Flying from Houston to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $156). 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

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Humacao
Luquillo
Bayamón

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 Luis Munoz Marin Intl

Discover the top 6 airlines that operate flights from Houston to Luis Munoz Marin Intl. 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$108Average$396FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$119Average$269FlexibilityNo cancel feeOn-time65%
FrontierCheapest$125Average$302FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$165Average$549FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$170Average$426FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$192Average$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.