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Flights between Houston (IAH) and San Luis Potosí (SLP)

George Bush Intercontinental Airport, United States ↔ Ponciano Arriaga International Airport, Mexico

A direct route between Houston and San Luis Potosí appears in the OpenFlights route network.

Airlines currently operating this route:

Observed from recent schedules · as of 23 Jul 2026 — sampled, not a live timetable; confirm with the airline.

United Airlines (UA)Volaris (Y4)
Distance
1,024 km
636 miles
Est. flight time
1h 47m
great-circle estimate
Time difference
None
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in United States

Jan
4°
9/-1
70mm
Feb
6°
11/1
60mm
Mar
11°
16/6
75mm
Apr
17°
22/12
80mm
May
23°
28/18
95mm
Jun
28°
33/23
100mm
Jul
30°
35/25
95mm
Aug
29°
34/24
90mm
Sep
25°
30/20
80mm
Oct
18°
23/13
70mm
Nov
11°
16/6
70mm
Dec
5°
10/0
75mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in Mexico

Jan
22°
27/17
10mm
Feb
24°
29/19
10mm
Mar
26°
31/21
10mm
Apr
28°
33/23
15mm
May
29°
34/24
40mm
Jun
28°
33/23
130mm
Jul
26°
31/21
150mm
Aug
27°
32/22
145mm
Sep
25°
30/20
130mm
Oct
25°
30/20
60mm
Nov
24°
29/19
20mm
Dec
22°
27/17
10mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Travel advisories

United States: Normal precautions (UK FCDO) ↗Mexico: Caution — some areas (UK FCDO) ↗

Common questions

How far is Houston from San Luis Potosí?

Houston (IAH) and San Luis Potosí (SLP) are around 1,024 km (636 miles) apart — an estimated 1h 47m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the IAH–SLP route?

Airlines recorded operating this route in the OpenFlights network include United Airlines, Volaris. This reflects historical scheduled service and may be out of date.

What is the time difference between Houston and San Luis Potosí?

Both airports keep the same time — no time difference.

When is it warmest in Mexico?

Across Mexico, the warmest month on average is May, with mean temperatures around 29°C. These are country-level monthly climate normals, not airport-specific.

Are there travel advisories for United States and Mexico?

The UK FCDO currently rates United States as Normal precautions; The UK FCDO rates Mexico as Caution — some areas. Check the official sources before you travel.

Distances and flight times are great-circle estimates, not booked block times.