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PSM to LIS: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Lisbon (Humberto Delgado Airport (Lisbon Portela Airport))
3,161 mi
5,087 km · 2,747 nm
6h 40m
estimated nonstop flight time
+5h
time difference · heading east
See live PSM→LIS fares Phone-only fares on this route — call free
Flight time details
3,161 miles nonstop takes roughly 6h 40m gate to gate, flying east. 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
- LIS — Humberto Delgado Airport (Lisbon Portela Airport) · Lisbon, Portugal
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 LIS
- AVR · Alverca Air Base9 mi away
- CAT · Cascais Airport12 mi away
- QLR · Monte Real Air Base74 mi away
- BYJ · Beja Airport / Airbase81 mi away
Frequently asked questions
How far is PSM from LIS?
The flight distance from Portsmouth (PSM) to Lisbon (LIS) is 3,161 miles (5,087 km, 2,747 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to LIS?
A nonstop flight takes about 6h 40m 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 Lisbon?
Lisbon is 5 hours ahead of Portsmouth.
What is the cheapest way to fly from PSM to LIS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–LIS that never appear on search engines, with no booking fees.