Need help booking?
Unpublished phone-only deals available
SLP to HRL: distance & flight time
San Luis Potosi (Ponciano Arriaga International Airport) → Harlingen (Valley International Airport)
343 mi
553 km · 298 nm
1h 22m
estimated nonstop flight time
+1h
time difference · heading northeast
See live SLP→HRL fares Phone-only fares on this route — call free
Flight time details
343 miles nonstop takes roughly 1h 22m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- SLP — Ponciano Arriaga International Airport · San Luis Potosi, Mexico
- HRL — Valley International Airport · Harlingen, United States
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 SLP
Frequently asked questions
How far is SLP from HRL?
The flight distance from San Luis Potosi (SLP) to Harlingen (HRL) is 343 miles (553 km, 298 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SLP to HRL?
A nonstop flight takes about 1h 22m 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 San Luis Potosi and Harlingen?
Harlingen is 1 hour ahead of San Luis Potosi.
What is the cheapest way to fly from SLP to HRL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SLP–HRL that never appear on search engines, with no booking fees.