Cheap Flights from Houston to San Juan

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Flight deals from Houston to San Juan

Looking for a cheap last-minute deal or the best return flight from Houston to San Juan? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Houston to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston to San Juan flights are currently cheapest in October.

Direct flights from Houston to San Juan

Alternative Houston to San Juan routes

Looking for the cheapest, fastest or easiest route from Houston to San Juan? You could fly into the following airports instead.

Houston to San Juan: Flight information

The things to know before you go.
Cheapest flight foundRs17,210
Cheapest month to flyOctober
Average flight time4 hrs, 21 mins
Most popular airlineAir Canada
Average flights per week63

Finding cheap flights from Houston to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Houston to San Juan is Rs38,308. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 20 minutes is the average flight time from Houston to San Juan.
Air Canada, Air New Zealand and United fly direct from Houston to San Juan.
As of October 2025, there are 63 flights per week flying from Houston to San Juan.
The cheapest month to fly from Houston to San Juan is usually February.
If you're flying from Houston, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from Rs38,308.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to San Juan on Monday, 2 February 2026.
Yes – the average flight time is 4 hours and 20 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In October, the average temperature is usually around 27°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
The cheapest airline that flies to San Juan is United .

Flying from Houston to San Juan: what you need to know

  • Begin planning your holiday by considering where you'll catch your flight from Houston to San Juan. George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU) are Houston's main airports.

  • Luis Munoz Marin International Airport (SJU) is where you'll be landing in San Juan.

  • Take a direct Houston to San Juan flight and you'll be in the air for an average of 4 hours 25 minutes.

  • San Juan's timezone is UTC-4, which makes San Juan one hour ahead of Houston.

  • George Bush Intercontinental Airport (IAH) to Luis Munoz Marin International Airport (SJU) is the most popular route that connects these two cities. There are 18 weekly flights to pick from. If you have things to do before heading off, the last flight from Houston to San Juan is with United Airlines at 23:57. Go for the first IAH to SJU departure with United Airlines at 10:02 to fit in more activities on your first day in San Juan.

  • To ensure you make your Houston to San Juan flight, leave plenty of time to check in and drop off your luggage. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.

  • Travelling during a popular month like July? School holidays and other popular periods can mean longer queues and delays at security. Play things extra safe and get there up to four hours before international flights and two hours before a domestic departure.

How to find the cheapest flights from Houston to San Juan

  • At the moment, Rs17,190 is the lowest price we've found for a one-way ticket from Houston to San Juan. The cheapest price for a return flight is Rs38,308. Keep in mind fares can change due to availability at the time of booking.

  • Book two months before you want to fly. Research into pricing trends suggests this is the ideal window for finding cheap Houston to San Juan flights.

  • Organise your trip for May. That's the best month for landing a great bargain on plane tickets from Houston to San Juan. If you have flexibility with your dates, use the 'Whole month' tool to find the cheapest price across each month.

  • Save time looking for cheap flights from Houston to San Juan by creating a Price Alert. You'll receive an email or notification on the app when a lower fare becomes available.

  • Choose your ideal departure and arrival times, number of stops and airlines by using the filters. Or sort your Houston to San Juan flight results by 'Best,' 'Cheapest' or 'Fastest.'

Flying from Houston

George Bush Intercontinental Airport (IAH)

  • You can get a direct flight from Houston to San Juan jetting off from George Bush Intercontinental Airport (IAH). Start your journey at IAH and arrive at Luis Munoz Marin International Airport (SJU).

  • United Airlines is a popular carrier that offers direct Houston to San Juan plane tickets from IAH.

  • We make it a cinch to book a Houston to San Juan flight with a stopover. To see all the options leaving from George Bush Intercontinental Airport, deselect 'Direct flights only.' Then, simply select a flight offering a stop long enough to explore your chosen city. Popular stopovers include:

    • Miami International Airport (MIA)

    • Fort Lauderdale-Hollywood International Airport (FLL)

    • Cyril E. King Airport (STT)

  • The journey from central Houston to IAH takes around 50 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 21 kilometres in 20 minutes or so, depending on traffic.

  • Need a convenient hotel near George Bush Intercontinental Airport? If you're boarding an early flight from Houston to San Juan, these accommodation options will have you sleeping nice and close to your departure gate:

  • When it comes to the on-time performance of George Bush Intercontinental Airport, data shows 78.42% of flights arrive within the expected time frame.

  • You'll find IAH at 16930 JFK Boulevard.

William P. Hobby Airport (HOU)

  • Prefer to fly from William P. Hobby Airport (HOU)? This popular hub offers direct flights from Houston to San Juan, seamlessly connecting to Luis Munoz Marin International Airport (SJU).

  • Book your direct Houston to San Juan plane ticket with Southwest Airlines. This is one of the top airlines operating this route out of HOU.

  • Split up your Houston to San Juan flight with a stop so you can freshen up or cross a new place off your list. Some popular stopovers between William P. Hobby Airport and San Juan include:

    • Orlando International Airport (MCO)

    • Fort Lauderdale-Hollywood International Airport (FLL)

    • Punta Cana International Airport (PUJ)

  • Using public transport, you can travel from central Houston to HOU in around 1 hour 40 minutes. The terminal is roughly 16 kilometres away. Driving will take you about 20 minutes.

  • You're off on holiday, so why not enjoy another night away? Think about staying at one of these hotels near William P. Hobby Airport the day before your flight from Houston to San Juan:

  • Flights from William P. Hobby Airport are known for their punctuality, with 81% of them touching down as planned.

  • You'll find HOU at 7800 Airport Boulevard.

Arriving in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) is approximately 11 kilometres from central San Juan. If you're catching a cab or a ride-share, the drive takes roughly 10 minutes.

  • When travelling on public transport, expect a journey time of about 55 minutes.

  • Reserve a hotel close to SJU if you're coming in on a late flight from Houston to San Juan. Settle into one of these accommodation options and avoid the hassle of a long transfer:

  • Grab a Luis Munoz Marin International Airport rental car and discover San Juan and beyond with your own wheels. Sixt, Ace Rent a Car and U-Save are leading providers you can book with here.

  • Booking your ride from Luis Munoz Marin International Airport around two weeks in advance can help you get the best possible rate.

Fernando Luis Ribas Dominicci Airport (SIG)

  • After your flight from Houston to San Juan has touched down, you can get to the city centre in about 15 minutes by car. Central San Juan is roughly 6 kilometres from Fernando Luis Ribas Dominicci Airport (SIG).

  • If you choose to travel on public transport, the ride to the centre will take you 1 hour or so.

Best time to go to San Juan

  • July is the most popular month for flights from Houston to San Juan. To skip the crowds, go to San Juan in May.

  • Lock in a Houston to San Juan ticket departing in September if you're eager to visit the city during its warmest month. You can expect temperatures in San Juan to range from 23ºC to 33ºC.

  • Search for cheap flights from Houston to San Juan in February if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 20ºC and 28ºC on average.

More about San Juan

  • After booking your flight from Houston to San Juan, find a hotel that offers the right mix of comfort and location. Make one of these options your base for exploring San Juan:

  • There are so many things to do and see in this city it can be difficult to know where to start. Castillo San Felipe del Morro, La Garita del morro de san juan bahia and Fortaleza Street are major attractions which should be on any good San Juan itinerary.

Explore more of Puerto Rico

  • You've seen San Juan, now it's time to discover more of Puerto Rico. Travel around 10 kilometres west to Bayamon to tick off its leading sights. From Plazoleta Ignacio Zorrilla, La Plaza de la Bomba Puertorriqueña to Monumento a los Trovadores and Parque Palm Court, there's plenty to keep you busy.

  • Around 11 kilometres east of San Juan, Carolina is another essential stop in Puerto Rico. Experience major highlights starting with Isla Verde Beach, Parque de Doble A Roberto Clemente Walker and Drone Zone Track.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.