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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–YNS that never appear on search engines, with no booking fees.