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IAH to SAY: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Siena (Siena-Ampugnano Airport)
5,573 mi
8,969 km · 4,843 nm
11h 24m
estimated nonstop flight time
+7h
time difference · heading northeast
See live IAH→SAY fares Phone-only fares on this route — call free
Flight time details
5,573 miles nonstop takes roughly 11h 24m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
- SAY — Siena-Ampugnano Airport · Siena, Italy
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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
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 IAH from SAY?
The flight distance from Houston (IAH) to Siena (SAY) is 5,573 miles (8,969 km, 4,843 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to SAY?
A nonstop flight takes about 11h 24m 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 Houston and Siena?
Siena is 7 hours ahead of Houston.
What is the cheapest way to fly from IAH to SAY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–SAY that never appear on search engines, with no booking fees.