The cheapest times to fly from SLP to IAH are

  • January 15th to March 11th
  • August 6th to December 9th (except the week of November 26th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SLP to IAH is late October to early November. Prices can be as high as $1146 for Friday flights during early to mid May, or as low as $460 for Monday flights around late October to early November.


When to Fly to Houston

Flying from San Luis Potosi (SLP) to Houston, TX (IAH) will usually cost between $528 to $750 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October to early November with an average ticket price of $503. Due to high demand the most expensive time to fly is early to mid May, with an average price of $839. Planning your trip to low-cost times can easily save you $336 on economy flights and even more on first-class flights. Generally, any price below $634 can be considered a good price for a round-trip SLP to IAH flight.

See below for a graph of average weekly prices for the SLP to IAH route. All prices are for round-trip tickets in USD.

SLP to IAH Flight Prices

Compared to other flights, the SLP to IAH flight is cheaper than the average and costs less than the average flight leaving from San Luis Potosí. The average price per mile (for a direct flight) is $0.62, which is above average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly to Houston, and Saturdays are the most expensive days to return to San Luis Potosí. Selecting flights on the least expensive days could save you up to $14 (2%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $629. Return trip prices are from the IAH to SLP flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SLP to IAH can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 8 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from SLP to IAH while comparing.

Destination alternative #1: Austin – Bergstrom International Airport (AUS) in Austin, TX

  • 140 miles (225 km) away from IAH
  • Usually 26.60% less expensive than IAH
  • 1-layover flights available

See SLP to AUS flights


Flight Hacking SLP to IAH

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SLP to IAH — but Champion Traveler does!

Hack #1: Mexico City (SLP > MEX > IAH)

  • Price for both tickets: $381
  • Average savings: $253 (39.86%)

See SLP to MTY flights

Hack #2: Monterrey (SLP > MTY > IAH)

  • Price for both tickets: $405
  • Average savings: $229 (36.15%)

See SLP to MEX flights


Flight Questions Answered

Still have questions about flying from SLP to IAH? We’ve got answers.

Which airlines fly this route?

You can find 9 major airlines flying this route most often: Aeromar, Aeromexico, American, COPA, Delta, InterJet, United, VivaAerobus, Volaris, and potentially more during busy seasons.

How far away is it from George Bush Intercontinental/Houston Airport to Ponciano Arriaga International Airport?

The distance between the two airports is roughly 636 miles or 1024 kilometers.

How long does it take to fly from SLP to IAH?

The real-world flight time for a nonstop SLP to IAH flight is about 2 hour 8 minutes.

How many flights go between San Luis Potosi and Houston, TX?

It depends on the day of the week and the date, but a typical day might have around 48 available flights from SLP to IAH.


Airport Location Info


Departing Airport

Origination code SLP
Origination airport name Ponciano Arriaga International Airport
City San Luis Potosi
Country Mexico
Latitude 22.3
Longitude -100.9

Return Airport

Destination code IAH
Destination airport name George Bush Intercontinental/Houston Airport
City Houston, TX
Country the United States
Latitude 30
Longitude -95.3


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.