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YSM to PSM: distance & flight time
Fort Smith (Fort Smith Airport) → Portsmouth (Portsmouth International at Pease Airport)
2,069 mi
3,330 km · 1,798 nm
4h 31m
estimated nonstop flight time
+2h
time difference · heading east
See live YSM→PSM fares Phone-only fares on this route — call free
Flight time details
2,069 miles nonstop takes roughly 4h 31m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- YSM — Fort Smith Airport · Fort Smith, Canada
- 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 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
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 YSM from PSM?
The flight distance from Fort Smith (YSM) to Portsmouth (PSM) 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 YSM to PSM?
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 Fort Smith and Portsmouth?
Portsmouth is 2 hours ahead of Fort Smith.
What is the cheapest way to fly from YSM to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSM–PSM that never appear on search engines, with no booking fees.