$135 Cheap Flights from San Luis Potosi (SLP) to Houston (IAH)

View $135 flight on Thu, Dec 18, 2025Opens in a new window

Popular airlines from San Luis Potosi Intl. Airport (SLP) to George Bush Intercontinental Airport (IAH)

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Find available prices by choosing your travel dates.

Cheap Flights from San Luis Potosi to Houston (SLP-IAH)

Prices were available within the past 7 days and start at $135 for one-way flights and $263 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, May 9 - Sun, May 11
SLP
San Luis Potosi
IAH
Houston
$263 Roundtrip, found 4 hours ago
$263
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, May 9 from San Luis Potosi to Houston, returning Sun, May 11, priced at $263 found 4 hours ago
American Airlines
Fri, May 9 - Sun, May 11
SLP
San Luis Potosi
IAH
Houston
$269 Roundtrip, found 4 hours ago
$269
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, May 9 from San Luis Potosi to Houston, returning Sun, May 11, priced at $269 found 4 hours ago
American Airlines
Fri, May 9 - Sun, May 11
SLP
San Luis Potosi
IAH
Houston
$275 Roundtrip, found 4 hours ago
$275
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, May 9 from San Luis Potosi to Houston, returning Sun, May 11, priced at $275 found 4 hours ago
Volaris
Tue, Sep 30 - Tue, Oct 7
SLP
San Luis Potosi
IAH
Houston
$301 Roundtrip, found 1 hour ago
$301
Roundtrip
found 1 hour ago
Select Volaris flight, departing Tue, Sep 30 from San Luis Potosi to Houston, returning Tue, Oct 7, priced at $301 found 1 hour ago
Volaris
Tue, Aug 5 - Sat, Aug 16
SLP
San Luis Potosi
IAH
Houston
$305 Roundtrip, found 3 days ago
$305
Roundtrip
found 3 days ago
Select Volaris flight, departing Tue, Aug 5 from San Luis Potosi to Houston, returning Sat, Aug 16, priced at $305 found 3 days ago
American Airlines
Fri, May 9 - Sun, May 11
SLP
San Luis Potosi
IAH
Houston
$311 Roundtrip, found 4 hours ago
$311
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, May 9 from San Luis Potosi to Houston, returning Sun, May 11, priced at $311 found 4 hours ago
American Airlines
Fri, May 9 - Sun, May 11
SLP
San Luis Potosi
IAH
Houston
$317 Roundtrip, found 4 hours ago
$317
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, May 9 from San Luis Potosi to Houston, returning Sun, May 11, priced at $317 found 4 hours ago
Aeromexico
Tue, Sep 30 - Tue, Oct 7
SLP
San Luis Potosi
IAH
Houston
$347 Roundtrip, found 1 hour ago
$347
Roundtrip
found 1 hour ago
Select Aeromexico flight, departing Tue, Sep 30 from San Luis Potosi to Houston, returning Tue, Oct 7, priced at $347 found 1 hour ago
Delta
Fri, May 30 - Sat, May 31
SLP
San Luis Potosi
IAH
Houston
$392 Roundtrip, just found
$392
Roundtrip
just found
Select Delta flight, departing Fri, May 30 from San Luis Potosi to Houston, returning Sat, May 31, priced at $392 just found
United
Fri, May 30 - Sat, May 31
SLP
San Luis Potosi
IAH
Houston
$392 Roundtrip, just found
$392
Roundtrip
just found
Select United flight, departing Fri, May 30 from San Luis Potosi to Houston, returning Sat, May 31, priced at $392 just found
Flights from San Luis Potosi (SLP) to Houston (IAH)
Origin airport
Ponciano Arriaga Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Aeromexico, American Airlines, Delta, United, Volaris
Roundtrip price
$263
Distance
636 mi

San Luis Potosi to Houston Flights

The cheapest times to fly from San Luis Potosi to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Luis Potosi to Houston are during the month of May. You can find some of the cheapest flights from San Luis Potosi to Houston with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Luis Potosi to Houston

Sunday is one of the best days to book for cheap flights from San Luis Potosi to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from San Luis Potosi to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Luis Potosi to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $135 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Luis Potosi to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Luis Potosi to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Ponciano Arriaga Intl. Airport (SLP) to George Bush Intercontinental Airport (IAH) cost?
Find cheap return tickets from Ponciano Arriaga Intl. Airport (SLP) to George Bush Intercontinental Airport (IAH) starting from $392. Snag a seat and get ready for takeoff. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving SLP on May 12 2025 and touching down at IAH. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from SLP to IAH?
The cheapest flights from SLP to IAH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Ponciano Arriaga Intl. Airport (SLP) to George Bush Intercontinental Airport (IAH)?
Board a nonstop flight with United Airlines and go straight from Ponciano Arriaga Intl. Airport (SLP) to George Bush Intercontinental Airport (IAH).
What is the cheapest airline that flies from SLP to IAH?
With tickets starting at $168 for a one-way flight from SLP to IAH, Volaris is currently the cheapest carrier on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SLP on July 8 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Ponciano Arriaga Intl. Airport (SLP) to George Bush Intercontinental Airport (IAH)?
With an average of 2 direct flights departing from Ponciano Arriaga Intl. Airport (SLP) to George Bush Intercontinental Airport (IAH) each day, you’ll be on your way in no time.
What are the most popular departure times for flights from Ponciano Arriaga Intl. Airport (SLP) to George Bush Intercontinental Airport (IAH)?
Flights between SLP and IAH tend to be busiest at 6 AM. If you’d like a quieter experience and possibly cheaper tickets, look for a departure that’s outside typical rush times.
What day of the week has the most flights from SLP to IAH?
If you depart on a Saturday, you’ll get the largest range of options for flights from Ponciano Arriaga Intl. Airport (SLP) to George Bush Intercontinental Airport (IAH).
What is the earliest flight from Ponciano Arriaga Intl. Airport (SLP) to George Bush Intercontinental Airport (IAH)?
Ponciano Arriaga Intl. Airport (SLP)’s first flight to George Bush Intercontinental Airport (IAH) is at approximately 6:00AM UTC-6. With a travel duration of 2h 2m, you’ll land at around 8:02AM UTC-6.
How long does it take to fly from Ponciano Arriaga Intl. Airport (SLP) to George Bush Intercontinental Airport (IAH)?
The average flight duration from SLP to IAH is 2 hours and 2 minutes, covering a total distance of 640 mi.
What is the best time to fly from Ponciano Arriaga Intl. Airport (SLP) to George Bush Intercontinental Airport (IAH)?
To avoid possible delays on the Ponciano Arriaga Intl. Airport (SLP) to George Bush Intercontinental Airport (IAH) route, travel before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Houston from Ponciano Arriaga Intl. Airport (SLP)?
If you’re traveling on a direct flight from Ponciano Arriaga Intl. Airport (SLP) to Houston, George Bush Intercontinental Airport (IAH) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Ponciano Arriaga Intl. Airport (SLP) to George Bush Intercontinental Airport (IAH) last-minute?
Waiting until right before your break to book a ticket from SLP to IAH generally means paying more. While you might find some last-minute discounts, there’s no guarantee. Be flexible with your travel plans for the best chance of snagging a bargain.
Is it cheaper to book a SLP to IAH flight and hotel package?
Opting for a SLP to IAH flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our impressive range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ponciano Arriaga Intl. Airport (SLP) to George Bush Intercontinental Airport (IAH)?
Usually, it’s possible to cancel or reschedule your SLP to IAH flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more details on our Customer Service portal.

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