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ONO to SAY: distance & flight time
Ontario (Ontario Municipal Airport) → Siena (Siena-Ampugnano Airport)
5,615 mi
9,036 km · 4,879 nm
11h 29m
estimated nonstop flight time
+8h
time difference · heading northeast
See live ONO→SAY fares Phone-only fares on this route — call free
Flight time details
5,615 miles nonstop takes roughly 11h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- ONO — Ontario Municipal Airport · Ontario, 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 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 ONO from SAY?
The flight distance from Ontario (ONO) to Siena (SAY) is 5,615 miles (9,036 km, 4,879 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to SAY?
A nonstop flight takes about 11h 29m 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 Ontario and Siena?
Siena is 8 hours ahead of Ontario.
What is the cheapest way to fly from ONO to SAY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–SAY that never appear on search engines, with no booking fees.