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San Juan

$182+ Cheap flights from George Bush Intcntl (IAH) 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SJU
Jul 31 — Aug 71
Fri 7/31
Fri 8/7
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to San Juan are usually found in September or October, booked 5 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from George Bush Intcntl to San Juan

Cheapest flights from George Bush Intcntl to San Juan
Explore the most affordable flight options available from George Bush Intcntl to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:40 am
IAH
-
SJU
1 stop13h 27m
Frontier
Wed 7/296:00 am
SJU
-
IAH
1 stop9h 50m
Frontier
Deal found 6/26$364
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 7/3010:53 am
IAH
-
SJU
2 stops26h 07m
Frontier
Mon 8/310:48 pm
SJU
-
IAH
1 stop10h 57m
Frontier
Deal found 6/28$365
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Tue 7/2110:53 am
IAH
-
SJU
2 stops12h 48m
Frontier
Fri 7/245:15 pm
SJU
-
IAH
1 stop15h 05m
Frontier
Deal found 6/29$366
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Mon 8/103:03 pm
IAH
-
SJU
Nonstop4h 35m
United Airlines
Wed 8/127:00 am
SJU
-
IAH
Nonstop4h 45m
United Airlines
Deal found 6/28$367
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Tue 7/2810:53 am
IAH
-
SJU
2 stops12h 48m
Frontier
Sun 8/27:30 am
SJU
-
IAH
1 stop25h 54m
Frontier
Deal found 6/28$368
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Tue 7/2110:53 am
IAH
-
SJU
2 stops12h 48m
Frontier
Thu 7/237:34 am
SJU
-
IAH
1 stop12h 33m
Frontier
Deal found 6/28$370
This Frontier deal was found by Cheapflights users on 6/28. 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.
Tue 7/219:40 am
IAH
-
SJU
1 stop13h 27m
Frontier
Tue 7/213:10 am
SJU
-
IAH
1 stop6h 35m
Frontier
Deal found 6/28$371
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Wed 8/1912:02 pm
IAH
-
SJU
1 stop10h 48m
United Airlines
Tue 9/17:00 am
SJU
-
IAH
Nonstop4h 45m
United Airlines
Deal found 6/28$372
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:37 pm
IAH
-
SJU
1 stop26h 51m
Frontier
Tue 7/213:36 pm
SJU
-
IAH
2 stops18h 09m
Frontier
Deal found 6/26$373
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Sat 7/119:58 pm
IAH
-
SJU
1 stop31h 46m
Frontier
Wed 7/296:00 am
SJU
-
IAH
1 stop9h 50m
Frontier
Deal found 6/28$374
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:37 pm
IAH
-
SJU
1 stop26h 51m
Frontier
Mon 7/203:10 am
SJU
-
IAH
1 stop30h 35m
Frontier
Deal found 6/26$375

Find flight deals from George Bush Intcntl to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 July 1, 2026.

Round-trip from

$364
(Kiwi.com)

One-way from

$182
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$441
From Houston George Bush Intcntl to San Juan
Search Deals
One-way flight from Houston George Bush Intcntl to San Juan
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl 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 July 1, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Thu 9/24

3:06 pm-8:38 pm

Nonstop4h 32m

San Juan Luis Munoz Marin Intl

Sun 9/27

7:00 am-10:45 am

Nonstop4h 45m

$421

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Thu 8/27

5:00 am-2:44 pm

1 stop8h 44m

San Juan Luis Munoz Marin Intl

Sun 8/30

7:00 am-10:45 am

Nonstop4h 45m

$442

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Mon 8/31

3:06 pm-8:38 pm

Nonstop4h 32m

San Juan Luis Munoz Marin Intl

Tue 9/1

7:00 am-10:45 am

Nonstop4h 45m

$452

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Sun 8/23

3:06 pm-8:38 pm

Nonstop4h 32m

San Juan Luis Munoz Marin Intl

Sat 8/29

2:55 pm-6:43 pm

Nonstop4h 48m

$507

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Mon 8/24

10:10 am-3:42 pm

Nonstop4h 32m

San Juan Luis Munoz Marin Intl

Sat 8/29

2:55 pm-6:43 pm

Nonstop4h 48m

$507

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Wed 8/12

1:53 pm-11:50 pm

1 stop8h 57m

San Juan Luis Munoz Marin Intl

Sun 8/16

7:00 am-10:45 am

Nonstop4h 45m

$512

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Wed 7/15

5:04 am-2:44 pm

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Fri 7/17

2:05 am-6:01 am

Nonstop4h 56m

$552

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Thu 8/20

3:06 pm-8:38 pm

Nonstop4h 32m

San Juan Luis Munoz Marin Intl

Sun 8/23

7:00 am-10:45 am

Nonstop4h 45m

$587

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Mon 8/10

10:03 am-3:42 pm

Nonstop4h 39m

San Juan Luis Munoz Marin Intl

Sat 8/15

7:00 am-10:45 am

Nonstop4h 45m

$592

HoustonSan Juan

IAH - SJU

IAHSJU

Houston George Bush Intcntl

Thu 12/3

3:04 pm-9:26 pm

Nonstop4h 22m

San Juan Luis Munoz Marin Intl

Wed 12/9

2:05 am-10:08 am

1 stop10h 03m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from George Bush Intcntl to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from George Bush Intcntl 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 George Bush Intcntl Airport to San Juan

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to San Juan?

Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to San Juan (average of $86). Flying from Houston George Bush Intcntl Airport to San Juan in July is currently the most expensive (average of $143). 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 IAH to SJU?

Find hourly flight availability from George Bush Intcntl 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 July 1, 2026.

When flying from Houston George Bush Intcntl Airport to San Juan, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 33% versus a flight in the morning.

Weekly flight availability from Houston George Bush Intcntl Airport to San Juan

Explore weekly flight availability from George Bush Intcntl to San Juan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 1, 2026.

The most flights from IAH to PR1 are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to San Juan?

How far ahead should I book a flight from Houston George Bush Intcntl Airport to San Juan?

Booking 4 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston George Bush Intcntl Airport to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to San Juan?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to San Juan. Price data was last updated on June 27, 2026.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to San Juan flight should consider departing on Thursday at noon when fares are most often at their lowest. Tuesday at noon 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 July 1, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Houston George Bush Intcntl Airport to San Juan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,453 reviews

Boarding

8.1

Food

7.2

Overall

7.8

Entertainment

7.8

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
Delta
7.8
Good
8,453 reviews
Delta
7.8
Good
8,453 reviews

Boarding

8.1

Food

7.2

Overall

7.8

Entertainment

7.8

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
United Airlines
7.4
Good
9,906 reviews
Delta
7.8
Good
8,453 reviews

Boarding

8.1

Food

7.2

Overall

7.8

Entertainment

7.8

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
American Airlines
7.1
Good
11,766 reviews
Delta
7.8
Good
8,453 reviews

Boarding

8.1

Food

7.2

Overall

7.8

Entertainment

7.8

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
Frontier
5.6
Fair
2,849 reviews
Delta
7.8
Good
8,453 reviews

Boarding

8.1

Food

7.2

Overall

7.8

Entertainment

7.8

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl 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 George Bush Intcntl Airport to San Juan?

    A quick flight from Houston George Bush Intcntl Airport to San Juan can take about 4h 32m. United Airlines provides one of the quickest options available for as low as $421. Airlines will cover a distance of 2004 mi. Most flights are nonstop.

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

    Cheapflights users have booked flights from Houston George Bush Intcntl Airport to San Juan round-trip from $108. Other airlines that can offer you cheap pricing are Frontier, from $142, and American Airlines, from $175. Users have found that Delta is 75% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to San Juan one-way?

    $88 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Frontier, with prices starting from $100 and $101, respectively.

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to San Juan?

    No one likes to see their flight delayed. When booking a flight from Houston George Bush Intcntl Airport to San Juan consider choosing Lufthansa (90%), Air Canada (88%) or United Airlines (88%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Houston George Bush Intcntl Airport to San Juan?

    Looking for the cheapest flight from Houston George Bush Intcntl Airport to San Juan? While on average our users pay $510, our data indicates the cheapest price to be $228. The most popular route (Houston George Bush Intcntl - San Juan Luis Munoz Marin Intl), is priced around $281.

  • Can I find deals for flights from George Bush Intcntl to San Juan that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to San Juan.

  • Can I find deals for business class flights from George Bush Intcntl to San Juan?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl Airport to San Juan?

    Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to San Juan (average of $86). Flying from Houston George Bush Intcntl Airport to San Juan in July is currently the most expensive (average of $143). 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 George Bush Intcntl to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Luis Munoz Marin Intl flights
George Bush Intcntl to Luis Munoz Marin Intl flights

Top 4 airlines flying from George Bush Intcntl to San Juan

Discover the top 4 airlines that operate flights from George Bush Intcntl 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 July 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$108Average$466FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$142Average$360FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$175Average$546FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$589FlexibilityNo cancel feeOn-time69%

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