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DCA to SLP: distance & flight time
Washington (Ronald Reagan Washington National Airport) → San Luis Potosi (Ponciano Arriaga International Airport)
1,816 mi
2,923 km · 1,578 nm
4h 2m
estimated nonstop flight time
-2h
time difference · heading southwest
See live DCA→SLP fares Phone-only fares on this route — call free
Flight time details
1,816 miles nonstop takes roughly 4h 2m 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
- DCA — Ronald Reagan Washington National 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
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.
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Frequently asked questions
How far is DCA from SLP?
The flight distance from Washington (DCA) to San Luis Potosi (SLP) is 1,816 miles (2,923 km, 1,578 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DCA to SLP?
A nonstop flight takes about 4h 2m 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 DCA to SLP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCA–SLP that never appear on search engines, with no booking fees.