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PSM to SYH: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Syangboche (Syangboche Airport)
7,335 mi
11,805 km · 6,374 nm
14h 51m
estimated nonstop flight time
+9.8h
time difference · heading north
See live PSM→SYH fares Phone-only fares on this route — call free
Flight time details
7,335 miles nonstop takes roughly 14h 51m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.8-hour time gain when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- SYH — Syangboche Airport · Syangboche, Nepal
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 SYH
- LUA · Lukla Airport9 mi away
- PPL · Phaplu Airport22 mi away
- RUM · Rumjatar Airport36 mi away
- LDN · Lamidanda Airport39 mi away
Frequently asked questions
How far is PSM from SYH?
The flight distance from Portsmouth (PSM) to Syangboche (SYH) is 7,335 miles (11,805 km, 6,374 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to SYH?
A nonstop flight takes about 14h 51m 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 Syangboche?
Syangboche is 9.8 hours ahead of Portsmouth.
What is the cheapest way to fly from PSM to SYH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–SYH that never appear on search engines, with no booking fees.