Need help booking?
Unpublished phone-only deals available
PSM to YSH: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Smiths Falls (Smiths Falls-Montague (Russ Beach) Airport)
285 mi
459 km · 248 nm
1h 13m
estimated nonstop flight time
—
time difference · heading northwest
See live PSM→YSH fares Phone-only fares on this route — call free
Flight time details
285 miles nonstop takes roughly 1h 13m gate to gate, flying northwest. 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
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- YSH — Smiths Falls-Montague (Russ Beach) Airport · Smiths Falls, 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 YSH
- YOW · Ottawa Macdonald-Cartier International Airport29 mi away
- OGS · Ogdensburg International Airport30 mi away
- YRO · Ottawa / Rockcliffe Airport38 mi away
- YND · Ottawa / Gatineau Airport44 mi away
Frequently asked questions
How far is PSM from YSH?
The flight distance from Portsmouth (PSM) to Smiths Falls (YSH) is 285 miles (459 km, 248 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to YSH?
A nonstop flight takes about 1h 13m 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 PSM to YSH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–YSH that never appear on search engines, with no booking fees.