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SAY to BIL: distance & flight time
Siena (Siena-Ampugnano Airport) → Billings (Billings Logan International Airport)
5,263 mi
8,470 km · 4,573 nm
10h 47m
estimated nonstop flight time
-8h
time difference · heading northwest
See live SAY→BIL fares Phone-only fares on this route — call free
Flight time details
5,263 miles nonstop takes roughly 10h 47m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- SAY — Siena-Ampugnano Airport · Siena, Italy
- BIL — Billings Logan International Airport · Billings, 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
Near BIL
- COD · Yellowstone Regional Airport92 mi away
- LVM · Mission Field92 mi away
- LWT · Lewistown Municipal Airport96 mi away
- SHR · Sheridan County Airport105 mi away
Frequently asked questions
How far is SAY from BIL?
The flight distance from Siena (SAY) to Billings (BIL) is 5,263 miles (8,470 km, 4,573 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SAY to BIL?
A nonstop flight takes about 10h 47m 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 Billings?
Billings is 8 hours behind Siena.
What is the cheapest way to fly from SAY to BIL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SAY–BIL that never appear on search engines, with no booking fees.