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PSM to KUN: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Kaunas (Kaunas International Airport)
4,038 mi
6,499 km · 3,509 nm
8h 23m
estimated nonstop flight time
+7h
time difference · heading northeast
See live PSM→KUN fares Phone-only fares on this route — call free
Flight time details
4,038 miles nonstop takes roughly 8h 23m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- KUN — Kaunas International Airport · Kaunas, Lithuania
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 KUN
- VNO · Vilnius International Airport53 mi away
- PNV · Panevėžys Air Base55 mi away
- SQQ · Šiauliai International Airport70 mi away
- HLJ · Barysiai Airport79 mi away
Frequently asked questions
How far is PSM from KUN?
The flight distance from Portsmouth (PSM) to Kaunas (KUN) is 4,038 miles (6,499 km, 3,509 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to KUN?
A nonstop flight takes about 8h 23m 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 Kaunas?
Kaunas is 7 hours ahead of Portsmouth.
What is the cheapest way to fly from PSM to KUN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–KUN that never appear on search engines, with no booking fees.