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PSM to NST: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Nakhon Si Thammarat (Nakhon Si Thammarat Airport)
8,823 mi
14,200 km · 7,667 nm
17h 46m
estimated nonstop flight time
+11h
time difference · heading north
See live PSM→NST fares Phone-only fares on this route — call free
Flight time details
8,823 miles nonstop takes roughly 17h 46m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- NST — Nakhon Si Thammarat Airport · Nakhon Si Thammarat, Thailand
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 NST
- URT · Surat Thani Airport69 mi away
- USM · Samui Airport70 mi away
- KBV · Krabi Airport72 mi away
- TST · Trang Airport75 mi away
Frequently asked questions
How far is PSM from NST?
The flight distance from Portsmouth (PSM) to Nakhon Si Thammarat (NST) is 8,823 miles (14,200 km, 7,667 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to NST?
A nonstop flight takes about 17h 46m 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 Nakhon Si Thammarat?
Nakhon Si Thammarat is 11 hours ahead of Portsmouth.
What is the cheapest way to fly from PSM to NST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–NST that never appear on search engines, with no booking fees.