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PSM to BZN: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Bozeman (Gallatin Field)
1,977 mi
3,182 km · 1,718 nm
4h 21m
estimated nonstop flight time
-2h
time difference · heading west
See live PSM→BZN fares Phone-only fares on this route — call free
Flight time details
1,977 miles nonstop takes roughly 4h 21m 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
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- BZN — Gallatin Field · Bozeman, 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 PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
Near BZN
- LVM · Mission Field34 mi away
- BTM · Bert Mooney Airport66 mi away
- HLN · Helena Regional Airport70 mi away
- WYS · Yellowstone Airport75 mi away
Frequently asked questions
How far is PSM from BZN?
The flight distance from Portsmouth (PSM) to Bozeman (BZN) is 1,977 miles (3,182 km, 1,718 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to BZN?
A nonstop flight takes about 4h 21m 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 Portsmouth and Bozeman?
Bozeman is 2 hours behind Portsmouth.
What is the cheapest way to fly from PSM to BZN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–BZN that never appear on search engines, with no booking fees.