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IAD to SLM: distance & flight time
Washington (Washington Dulles International Airport) → Salamanca (Salamanca Airport)
3,701 mi
5,956 km · 3,216 nm
7h 43m
estimated nonstop flight time
+6h
time difference · heading northeast
See live IAD→SLM fares Phone-only fares on this route — call free
Flight time details
3,701 miles nonstop takes roughly 7h 43m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- SLM — Salamanca Airport · Salamanca, Spain
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 IAD
Near SLM
- VLL · Valladolid Airport62 mi away
- MAD · Adolfo Suárez Madrid–Barajas Airport107 mi away
- BGC · Bragança Airport88 mi away
- ECV · Cuatro Vientos Airport99 mi away
Frequently asked questions
How far is IAD from SLM?
The flight distance from Washington (IAD) to Salamanca (SLM) is 3,701 miles (5,956 km, 3,216 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to SLM?
A nonstop flight takes about 7h 43m 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 Salamanca?
Salamanca is 6 hours ahead of Washington.
What is the cheapest way to fly from IAD to SLM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–SLM that never appear on search engines, with no booking fees.