Need help booking?
Unpublished phone-only deals available
PSM to BTR: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Baton Rouge (Baton Rouge Metropolitan Airport)
1,413 mi
2,274 km · 1,228 nm
3h 32m
estimated nonstop flight time
-1h
time difference · heading southwest
See live PSM→BTR fares Phone-only fares on this route — call free
Flight time details
1,413 miles nonstop takes roughly 3h 32m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- BTR — Baton Rouge Metropolitan Airport · Baton Rouge, 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 BTR
Frequently asked questions
How far is PSM from BTR?
The flight distance from Portsmouth (PSM) to Baton Rouge (BTR) is 1,413 miles (2,274 km, 1,228 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to BTR?
A nonstop flight takes about 3h 32m 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 Baton Rouge?
Baton Rouge is 1 hour behind Portsmouth.
What is the cheapest way to fly from PSM to BTR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–BTR that never appear on search engines, with no booking fees.