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PMH to LHR: distance & flight time
Portsmouth (Greater Portsmouth Regional Airport) → London (London Heathrow Airport)
3,890 mi
6,260 km · 3,380 nm
8h 6m
estimated nonstop flight time
—
time difference · heading northeast
See live PMH→LHR fares Phone-only fares on this route — call free
Flight time details
3,890 miles nonstop takes roughly 8h 6m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- PMH — Greater Portsmouth Regional 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 PMH
- HTS · Tri-State/Milton J. Ferguson Field36 mi away
- ATO · Ohio University Snyder Field42 mi away
- ILN · Wilmington Airpark65 mi away
- LCK · Rickenbacker International Airport67 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 PMH from LHR?
The flight distance from Portsmouth (PMH) to London (LHR) is 3,890 miles (6,260 km, 3,380 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PMH to LHR?
A nonstop flight takes about 8h 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 cheapest way to fly from PMH to LHR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PMH–LHR that never appear on search engines, with no booking fees.