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YSL to MSO: distance & flight time
St Leonard (St Leonard Airport) → Missoula (Missoula International Airport)
2,146 mi
3,453 km · 1,865 nm
4h 40m
estimated nonstop flight time
—
time difference · heading west
See live YSL→MSO fares Phone-only fares on this route — call free
Flight time details
2,146 miles nonstop takes roughly 4h 40m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- YSL — St Leonard Airport · St Leonard, Canada
- 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 YSL
- CAR · Caribou Municipal Airport22 mi away
- WFK · Northern Aroostook Regional Airport24 mi away
- PQI · Northern Maine Regional Airport at Presque Isle34 mi away
- HUL · Houlton International Airport71 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 YSL from MSO?
The flight distance from St Leonard (YSL) to Missoula (MSO) is 2,146 miles (3,453 km, 1,865 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSL to MSO?
A nonstop flight takes about 4h 40m 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 cheapest way to fly from YSL to MSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSL–MSO that never appear on search engines, with no booking fees.