Need help booking?
Unpublished phone-only deals available
BOS to PSM: distance & flight time
Boston (General Edward Lawrence Logan International Airport) → Portsmouth (Portsmouth International at Pease Airport)
50 mi
81 km · 44 nm
36m
estimated nonstop flight time
Same time
time difference · heading north
See live BOS→PSM fares Phone-only fares on this route — call free
Flight time details
50 miles nonstop takes roughly 36m gate to gate, flying north. 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
- BOS — General Edward Lawrence Logan International Airport · Boston, United States
- PSM — Portsmouth International at Pease 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 BOS
- OWD · Norwood Memorial Airport15 mi away
- BED · Laurence G Hanscom Field16 mi away
- BVY · Beverly Municipal Airport16 mi away
- LWM · Lawrence Municipal Airport25 mi away
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
Frequently asked questions
How far is BOS from PSM?
The flight distance from Boston (BOS) to Portsmouth (PSM) is 50 miles (81 km, 44 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOS to PSM?
A nonstop flight takes about 36m 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 BOS to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOS–PSM that never appear on search engines, with no booking fees.