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HEM to PSM: distance & flight time
Helsinki (Helsinki Malmi Airport) → Portsmouth (Portsmouth International at Pease Airport)
3,885 mi
6,252 km · 3,376 nm
8h 5m
estimated nonstop flight time
-7h
time difference · heading northwest
See live HEM→PSM fares Phone-only fares on this route — call free
Flight time details
3,885 miles nonstop takes roughly 8h 5m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- HEM — Helsinki Malmi Airport · Helsinki, Finland
- 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 HEM
- HEL · Helsinki Vantaa Airport5 mi away
- HYV · Hyvinkää Airfield28 mi away
- TLL · Lennart Meri Tallinn Airport59 mi away
- QLF · Lahti Vesivehmaa Airport65 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 HEM from PSM?
The flight distance from Helsinki (HEM) to Portsmouth (PSM) is 3,885 miles (6,252 km, 3,376 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEM to PSM?
A nonstop flight takes about 8h 5m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from HEM to PSM?
Nonstop service on HEM–PSM depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 8h 5m nonstop estimate.
What is the time difference between Helsinki and Portsmouth?
Portsmouth is 7 hours behind Helsinki.
What is the cheapest way to fly from HEM to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEM–PSM that never appear on search engines, with no booking fees.
Why are some HEM to PSM fares phone-only?
Consolidator contracts let us sell certain HEM–PSM tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.