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IAD to SLP: distance & flight time
Washington (Washington Dulles International Airport) → San Luis Potosi (Ponciano Arriaga International Airport)
1,801 mi
2,898 km · 1,565 nm
4h
estimated nonstop flight time
-2h
time difference · heading southwest
See live IAD→SLP fares Phone-only fares on this route — call free
Flight time details
1,801 miles nonstop takes roughly 4h gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, 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
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Near IAD
Near SLP
Frequently asked questions
How far is IAD from SLP?
The flight distance from Washington (IAD) to San Luis Potosi (SLP) is 1,801 miles (2,898 km, 1,565 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to SLP?
A nonstop flight takes about 4h 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 Washington and San Luis Potosi?
San Luis Potosi is 2 hours behind Washington.
What is the cheapest way to fly from IAD to SLP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–SLP that never appear on search engines, with no booking fees.