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MSO to SAY: distance & flight time
Missoula (Missoula International Airport) → Siena (Siena-Ampugnano Airport)
5,370 mi
8,642 km · 4,666 nm
11h
estimated nonstop flight time
+8h
time difference · heading northeast
See live MSO→SAY fares Phone-only fares on this route — call free
Flight time details
5,370 miles nonstop takes roughly 11h 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
- MSO — Missoula International Airport · Missoula, 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 MSO
- FCA · Glacier Park International Airport97 mi away
- BTM · Bert Mooney Airport101 mi away
- HLN · Helena Regional Airport102 mi away
- SMN · Lemhi County Airport124 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 MSO from SAY?
The flight distance from Missoula (MSO) to Siena (SAY) is 5,370 miles (8,642 km, 4,666 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MSO to SAY?
A nonstop flight takes about 11h 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 Missoula and Siena?
Siena is 8 hours ahead of Missoula.
What is the cheapest way to fly from MSO to SAY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSO–SAY that never appear on search engines, with no booking fees.