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YNS to PSM: distance & flight time
Nemiscau (Nemiscau Airport) → Portsmouth (Portsmouth International at Pease Airport)
644 mi
1,037 km · 560 nm
1h 52m
estimated nonstop flight time
Same time
time difference · heading southeast
See live YNS→PSM fares Phone-only fares on this route — call free
Flight time details
644 miles nonstop takes roughly 1h 52m gate to gate, flying southeast. 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
- YNS — Nemiscau Airport · Nemiscau, 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 YNS
- ZEM · Eastmain River Airport108 mi away
- YKQ · Waskaganish Airport114 mi away
- YNC · Wemindji Airport146 mi away
- YGL · La Grande Rivière Airport149 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 YNS from PSM?
The flight distance from Nemiscau (YNS) to Portsmouth (PSM) is 644 miles (1,037 km, 560 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YNS to PSM?
A nonstop flight takes about 1h 52m 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 YNS to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YNS–PSM that never appear on search engines, with no booking fees.