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PSM to YSM: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Fort Smith (Fort Smith Airport)
2,069 mi
3,330 km · 1,798 nm
4h 31m
estimated nonstop flight time
-2h
time difference · heading northwest
See live PSM→YSM fares Phone-only fares on this route — call free
Flight time details
2,069 miles nonstop takes roughly 4h 31m gate to gate, flying northwest. 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
- YSM — Fort Smith Airport · Fort Smith, 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 YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 mi away
Frequently asked questions
How far is PSM from YSM?
The flight distance from Portsmouth (PSM) to Fort Smith (YSM) is 2,069 miles (3,330 km, 1,798 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to YSM?
A nonstop flight takes about 4h 31m 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 Fort Smith?
Fort Smith is 2 hours behind Portsmouth.
What is the cheapest way to fly from PSM to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–YSM that never appear on search engines, with no booking fees.