Cheap flights from Houston to San Juan

William P. Hobby
HOU
Luis Muñoz Marín
SJU

Flight deals from Houston to San Juan

Below you can see the best deals on flights Houston — San Juan for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 14 September, from $108.

Top 10 cheap flights from Houston to San Juan

F9
F9
$ 107

Houston — San Juan

08:25—15:17
14 Sep 2026
29 h 52 m
1 stop
F9
F9
$ 109

Houston — San Juan

14:18—15:17
15 Sep 2026
23 h 59 m
1 stop
F9
F9
$ 109

Houston — San Juan

14:18—15:17
14 Sep 2026
23 h 59 m
1 stop
F9
F9
$ 109

Houston — San Juan

08:25—15:17
15 Sep 2026
29 h 52 m
1 stop
F9
F9
$ 110

Houston — San Juan

08:25—02:13
16 Sep 2026
16 h 48 m
1 stop
F9
F9
$ 111

Houston — San Juan

14:18—02:13
15 Sep 2026
34 h 55 m
1 stop
F9
F9
$ 111

Houston — San Juan

16:21—01:52
23 Sep 2026
8 h 31 m
1 stop
F9
F9
$ 111

Houston — San Juan

16:21—14:18
23 Sep 2026
20 h 57 m
1 stop
F9
F9
$ 111

Houston — San Juan

16:21—23:13
23 Sep 2026
29 h 52 m
1 stop
F9
F9
$ 111

Houston — San Juan

16:21—01:52
23 Sep 2026
32 h 31 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Houston — San Juan flight

Looking for cheap flights from Houston to San Juan? Compare fares from different airlines, check the flight schedule and travel time — and book your Houston — San Juan ticket online at the best price.

The route has direct flights — around 68 flights per week, flights are operated by United Airlines, Spirit Airlines, a nonstop flight takes about 4 h 33 min, the distance between the cities is around 3,222 km.

Planning your trip? You may find our San Juan travel guide, how to get from the airport into town and San Juan weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $108Min. price
SeptemberCheapest
AprilPeak season
YesDirect flights
3,222 kmDistance
4 h 33 minTravel time
2Airlines
68 / wkFlights

Flight schedule from Houston to San Juan

The table shows direct flights from Houston to San Juan on the selected date. The flight takes approximately 4 h 33 min. Regular flights are operated by United Airlines and Spirit Airlines. Departures from George Bush Intercontinental Airport and William P. Hobby Airport airports, arrivals at Luis Muñoz Marín International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 25 Aug 2026

Flight ticket prices by day: Houston — San Juan

Below is a calendar of the lowest flight ticket prices for Houston — San Juan by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $108 in September, and the most expensive are around $274 in April. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Houston to San Juan by month. Tickets are usually cheapest in September (around $198) and priciest in December (about $300) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$276highMay$234mediumSep$198low
Feb$240mediumJun$246mediumOct$204low
Mar$288highJul$276highNov$222medium
Apr$270highAug$240mediumDec$300high

Some values are estimated based on seasonality.

When to fly

Weather in San Juan: it is warmest in August (up to 30 °C on average) and coolest in February (around 27 °C). The driest month is January.

Tickets are usually cheapest in September and most expensive in April. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · San Juan

Dry and wet days · San Juan

Wind speed and direction · San Juan

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How to get the best deal on a Houston — San Juan ticket

  • Book ahead: fares for Houston — San Juan are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Houston is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to San Juan is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Houston — San Juan route are operated by 2 airlines; United Airlines runs the most flights (around 62% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    14x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight IAH → SJU14x/week
      Duration
      4h 32m
      Days
      MTWTFSS
    61.8%Open →
  • Spirit AirlinesNK
    9x/week
    WebsiteFleet: 20544.1M pax/year
    • Direct flight IAH → SJU9x/week
    38.2%Open →

Cities and airports on the Houston — San Juan route

Flights Houston — San Juan depart from George Bush Intercontinental Airport and William P. Hobby Airport and arrive at Luis Muñoz Marín International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Houston

HOU
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

San Juan

SJU
Puerto Rico
About the cityHow to get thereWeatherAll about the country Puerto Rico
Departure airports
Arrival airports

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Frequently asked questions about the Houston — San Juan flight

How long is the flight from Houston to San Juan?

A nonstop Houston — San Juan flight takes about 4 h 33 min — the distance between the cities is around 3,222 km.

How far is it from Houston to San Juan?

The distance from Houston to San Juan is about 3,222 km, which a nonstop flight covers in around 4 h 33 min.

Are there direct flights from Houston to San Juan?

Yes, there are nonstop flights Houston — San Juan — around 68 flights per week.

Which airlines fly from Houston to San Juan?

Airlines operating Houston — San Juan include United Airlines, Spirit Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Houston — San Juan flights use?

Flights from Houston depart from George Bush Intercontinental Airport, William P. Hobby Airport, and arrive at Luis Muñoz Marín International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Houston to San Juan?

The price of a Houston — San Juan ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in April. Tickets typically cost between $108 and $274. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Houston — San Juan?

Flights Houston — San Juan are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Houston to San Juan?

To catch a low fare Houston — San Juan, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Houston

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New York CityDallasAtlantaLos AngelesWashington, D.C.ChicagoDenverOrlandoMexico CityMiamiLondonCancunFort LauderdaleOklahoma CityTulsaDetroitPhoenixMcAllenMonterreySeattleCorpus ChristiWichitaMinneapolisBirminghamCharlotteLittle RockSan AntonioAustinMidlandPanama CityBaton RougeBostonTampaSan SalvadorEl PasoNew OrleansKnoxvilleLubbockSan FranciscoSalt Lake City

Where else you can fly from San Juan

See all
OrlandoNew York CityFort LauderdalePhiladelphiaMiamiSanto DomingoPunta CanaAtlantaDallasCharlotte AmalieChicagoTampaWashington, D.C.BostonTortolaPanama CityHartfordMadridMedellínGustaviaCharlotteBogotaJacksonvilleSaint CroixViequesMexico CitySan AntonioDetroitRaleighTorontoDominicaClevelandVirgin GordaSan JoséCulebraSantiagoProvidenceMinneapolisMontrealThe Valley

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