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PSM to YSJ: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → St. John (Saint John Airport)
289 mi
465 km · 251 nm
1h 14m
estimated nonstop flight time
+1h
time difference · heading northeast
See live PSM→YSJ fares Phone-only fares on this route — call free
Flight time details
289 miles nonstop takes roughly 1h 14m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- YSJ — Saint John Airport · St. John, Canada
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 YSJ
- YFC · Fredericton Airport49 mi away
- YZX · CFB Greenwood53 mi away
- YDG · Digby / Annapolis Regional Airport53 mi away
- YQM · Greater Moncton International Airport80 mi away
Frequently asked questions
How far is PSM from YSJ?
The flight distance from Portsmouth (PSM) to St. John (YSJ) is 289 miles (465 km, 251 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to YSJ?
A nonstop flight takes about 1h 14m 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 St. John?
St. John is 1 hour ahead of Portsmouth.
What is the cheapest way to fly from PSM to YSJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–YSJ that never appear on search engines, with no booking fees.