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MSO to RIW: distance & flight time
Missoula (Missoula International Airport) → Riverton WY (Riverton Regional Airport)
383 mi
616 km · 332 nm
1h 28m
estimated nonstop flight time
Same time
time difference · heading southeast
See live MSO→RIW fares Phone-only fares on this route — call free
Flight time details
383 miles nonstop takes roughly 1h 28m gate to gate, flying southeast. 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
- MSO — Missoula International Airport · Missoula, United States
- RIW — Riverton Regional Airport · Riverton WY, 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 RIW
- LND · Hunt Field22 mi away
- WRL · Worland Municipal Airport67 mi away
- PWY · Ralph Wenz Field71 mi away
- BPI · Miley Memorial Field90 mi away
Frequently asked questions
How far is MSO from RIW?
The flight distance from Missoula (MSO) to Riverton WY (RIW) is 383 miles (616 km, 332 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MSO to RIW?
A nonstop flight takes about 1h 28m 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 MSO to RIW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSO–RIW that never appear on search engines, with no booking fees.