Need help booking?
Unpublished phone-only deals available
MSO to PMH: distance & flight time
Missoula (Missoula International Airport) → Portsmouth (Greater Portsmouth Regional Airport)
1,664 mi
2,678 km · 1,446 nm
3h 44m
estimated nonstop flight time
—
time difference · heading east
See live MSO→PMH fares Phone-only fares on this route — call free
Flight time details
1,664 miles nonstop takes roughly 3h 44m gate to gate, flying east. 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
- PMH — Greater Portsmouth Regional Airport · Portsmouth, 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 PMH
- HTS · Tri-State/Milton J. Ferguson Field36 mi away
- ATO · Ohio University Snyder Field42 mi away
- ILN · Wilmington Airpark65 mi away
- LCK · Rickenbacker International Airport67 mi away
Frequently asked questions
How far is MSO from PMH?
The flight distance from Missoula (MSO) to Portsmouth (PMH) is 1,664 miles (2,678 km, 1,446 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MSO to PMH?
A nonstop flight takes about 3h 44m 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 PMH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSO–PMH that never appear on search engines, with no booking fees.