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PSM to LHR: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → London (London Heathrow Airport)
3,219 mi
5,181 km · 2,797 nm
6h 47m
estimated nonstop flight time
+5h
time difference · heading northeast
See live PSM→LHR fares Phone-only fares on this route — call free
Flight time details
3,219 miles nonstop takes roughly 6h 47m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- LHR — London Heathrow Airport · London, United Kingdom
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 LHR
- LGW · London Gatwick Airport25 mi away
- NHT · RAF Northolt6 mi away
- HYC · Wycombe Air Park18 mi away
- FAB · Farnborough Airport19 mi away
Frequently asked questions
How far is PSM from LHR?
The flight distance from Portsmouth (PSM) to London (LHR) 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 PSM to LHR?
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 Portsmouth and London?
London is 5 hours ahead of Portsmouth.
What is the cheapest way to fly from PSM to LHR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–LHR that never appear on search engines, with no booking fees.