Need help booking?
Unpublished phone-only deals available
SDR to IAD: distance & flight time
Santander (Santander Airport) → Washington (Washington Dulles International Airport)
3,714 mi
5,977 km · 3,227 nm
7h 45m
estimated nonstop flight time
-6h
time difference · heading west
See live SDR→IAD fares Phone-only fares on this route — call free
Flight time details
3,714 miles nonstop takes roughly 7h 45m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- SDR — Santander Airport · Santander, Spain
- IAD — Washington Dulles International Airport · Washington, 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 SDR
- BIO · Bilbao Airport47 mi away
- VIT · Vitoria/Foronda Airport67 mi away
- RGS · Burgos Airport75 mi away
- RJL · Logroño-Agoncillo Airport101 mi away
Frequently asked questions
How far is SDR from IAD?
The flight distance from Santander (SDR) to Washington (IAD) is 3,714 miles (5,977 km, 3,227 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDR to IAD?
A nonstop flight takes about 7h 45m 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 Santander and Washington?
Washington is 6 hours behind Santander.
What is the cheapest way to fly from SDR to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDR–IAD that never appear on search engines, with no booking fees.