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SAY to IAD: distance & flight time
Siena (Siena-Ampugnano Airport) → Washington (Washington Dulles International Airport)
4,399 mi
7,080 km · 3,823 nm
9h 6m
estimated nonstop flight time
-6h
time difference · heading northwest
See live SAY→IAD fares Phone-only fares on this route — call free
Flight time details
4,399 miles nonstop takes roughly 9h 6m gate to gate, flying northwest. 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
- SAY — Siena-Ampugnano Airport · Siena, Italy
- 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 SAY
- GRS · Grosseto Air Base36 mi away
- FLR · Peretola Airport38 mi away
- PSA · Pisa International Airport52 mi away
- EBA · Marina Di Campo Airport62 mi away
Frequently asked questions
How far is SAY from IAD?
The flight distance from Siena (SAY) to Washington (IAD) is 4,399 miles (7,080 km, 3,823 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SAY to IAD?
A nonstop flight takes about 9h 6m 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 Siena and Washington?
Washington is 6 hours behind Siena.
What is the cheapest way to fly from SAY to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SAY–IAD that never appear on search engines, with no booking fees.