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MCS to PSM: distance & flight time
Monte Caseros (Monte Caseros Airport) → Portsmouth (Portsmouth International at Pease Airport)
5,137 mi
8,266 km · 4,464 nm
10h 32m
estimated nonstop flight time
-1h
time difference · heading north
See live MCS→PSM fares Phone-only fares on this route — call free
Flight time details
5,137 miles nonstop takes roughly 10h 32m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- MCS — Monte Caseros Airport · Monte Caseros, Argentina
- 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 MCS
- UZU · Curuzu Cuatia Airport40 mi away
- URG · Rubem Berta Airport49 mi away
- AOL · Paso De Los Libres Airport50 mi away
- ATI · Artigas International Airport68 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 MCS from PSM?
The flight distance from Monte Caseros (MCS) to Portsmouth (PSM) is 5,137 miles (8,266 km, 4,464 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MCS to PSM?
A nonstop flight takes about 10h 32m 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 Monte Caseros and Portsmouth?
Portsmouth is 1 hour behind Monte Caseros.
What is the cheapest way to fly from MCS to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MCS–PSM that never appear on search engines, with no booking fees.