Need help booking?
Unpublished phone-only deals available
STL to SLP: distance & flight time
St. Louis (St Louis Lambert International Airport) → San Luis Potosi (Ponciano Arriaga International Airport)
1,299 mi
2,091 km · 1,129 nm
3h 17m
estimated nonstop flight time
-1h
time difference · heading southwest
See live STL→SLP fares Phone-only fares on this route — call free
Flight time details
1,299 miles nonstop takes roughly 3h 17m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- SLP — Ponciano Arriaga International Airport · San Luis Potosi, Mexico
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
Near SLP
Frequently asked questions
How far is STL from SLP?
The flight distance from St. Louis (STL) to San Luis Potosi (SLP) is 1,299 miles (2,091 km, 1,129 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to SLP?
A nonstop flight takes about 3h 17m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between St. Louis and San Luis Potosi?
San Luis Potosi is 1 hour behind St. Louis.
What is the cheapest way to fly from STL to SLP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–SLP that never appear on search engines, with no booking fees.