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THS to PSM: distance & flight time
Sukhothai (Sukhothai Airport) → Portsmouth (Portsmouth International at Pease Airport)
8,227 mi
13,240 km · 7,149 nm
16h 36m
estimated nonstop flight time
-11h
time difference · heading north
See live THS→PSM fares Phone-only fares on this route — call free
Flight time details
8,227 miles nonstop takes roughly 16h 36m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- THS — Sukhothai Airport · Sukhothai, Thailand
- 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 THS
- PHS · Phitsanulok Airport44 mi away
- TKT · Tak Airport44 mi away
- PRH · Phrae Airport66 mi away
- LPT · Lampang Airport74 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 THS from PSM?
The flight distance from Sukhothai (THS) to Portsmouth (PSM) is 8,227 miles (13,240 km, 7,149 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THS to PSM?
A nonstop flight takes about 16h 36m 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 Sukhothai and Portsmouth?
Portsmouth is 11 hours behind Sukhothai.
What is the cheapest way to fly from THS to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THS–PSM that never appear on search engines, with no booking fees.