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MSS to MSO: distance & flight time
Massena (Massena International Richards Field) → Missoula (Missoula International Airport)
1,871 mi
3,012 km · 1,626 nm
4h 8m
estimated nonstop flight time
-2h
time difference · heading west
See live MSS→MSO fares Phone-only fares on this route — call free
Flight time details
1,871 miles nonstop takes roughly 4h 8m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- MSS — Massena International Richards Field · Massena, United States
- MSO — Missoula International Airport · Missoula, 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 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
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
Frequently asked questions
How far is MSS from MSO?
The flight distance from Massena (MSS) to Missoula (MSO) 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 MSS to MSO?
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 Massena and Missoula?
Missoula is 2 hours behind Massena.
What is the cheapest way to fly from MSS to MSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSS–MSO that never appear on search engines, with no booking fees.