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MSO to MSS: distance & flight time
Missoula (Missoula International Airport) → Massena (Massena International Richards Field)
1,871 mi
3,012 km · 1,626 nm
4h 8m
estimated nonstop flight time
+2h
time difference · heading east
See live MSO→MSS fares Phone-only fares on this route — call free
Flight time details
1,871 miles nonstop takes roughly 4h 8m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- MSO — Missoula International Airport · Missoula, United States
- MSS — Massena International Richards Field · Massena, 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 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 MSS
- YCC · Cornwall Regional Airport18 mi away
- OGS · Ogdensburg International Airport35 mi away
- YOW · Ottawa Macdonald-Cartier International Airport48 mi away
- SLK · Adirondack Regional Airport49 mi away
Frequently asked questions
How far is MSO from MSS?
The flight distance from Missoula (MSO) to Massena (MSS) is 1,871 miles (3,012 km, 1,626 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MSO to MSS?
A nonstop flight takes about 4h 8m 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 Massena?
Massena is 2 hours ahead of Missoula.
What is the cheapest way to fly from MSO to MSS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSO–MSS that never appear on search engines, with no booking fees.