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BKK to PSM: distance & flight time
Bangkok (Suvarnabhumi Airport) → Portsmouth (Portsmouth International at Pease Airport)
8,479 mi
13,646 km · 7,368 nm
17h 6m
estimated nonstop flight time
-11h
time difference · heading north
See live BKK→PSM fares Phone-only fares on this route — call free
Flight time details
8,479 miles nonstop takes roughly 17h 6m 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
- BKK — Suvarnabhumi Airport · Bangkok, 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 BKK
- DMK · Don Mueang International Airport19 mi away
- KDT · Kamphaeng Saen Airport63 mi away
- UTP · U-Tapao International Airport71 mi away
- HHQ · Hua Hin Airport90 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 BKK from PSM?
The flight distance from Bangkok (BKK) to Portsmouth (PSM) is 8,479 miles (13,646 km, 7,368 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BKK to PSM?
A nonstop flight takes about 17h 6m 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 Bangkok and Portsmouth?
Portsmouth is 11 hours behind Bangkok.
What is the cheapest way to fly from BKK to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BKK–PSM that never appear on search engines, with no booking fees.