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NHT to PSM: distance & flight time
Northolt (RAF Northolt) → Portsmouth (Portsmouth International at Pease Airport)
3,219 mi
5,181 km · 2,797 nm
6h 47m
estimated nonstop flight time
-5h
time difference · heading west
See live NHT→PSM fares Phone-only fares on this route — call free
Flight time details
3,219 miles nonstop takes roughly 6h 47m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- NHT — RAF Northolt · Northolt, United Kingdom
- 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 NHT
- LHR · London Heathrow Airport6 mi away
- LGW · London Gatwick Airport30 mi away
- HYC · Wycombe Air Park17 mi away
- LCY · London City Airport21 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 NHT from PSM?
The flight distance from Northolt (NHT) to Portsmouth (PSM) is 3,219 miles (5,181 km, 2,797 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NHT to PSM?
A nonstop flight takes about 6h 47m 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 Northolt and Portsmouth?
Portsmouth is 5 hours behind Northolt.
What is the cheapest way to fly from NHT to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NHT–PSM that never appear on search engines, with no booking fees.