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BOS to PSS: distance & flight time
Boston (General Edward Lawrence Logan International Airport) → Posadas (Libertador Gral D Jose De San Martin Airport)
4,914 mi
7,908 km · 4,270 nm
10h 6m
estimated nonstop flight time
+1h
time difference · heading south
See live BOS→PSS fares Phone-only fares on this route — call free
Flight time details
4,914 miles nonstop takes roughly 10h 6m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- BOS — General Edward Lawrence Logan International Airport · Boston, United States
- PSS — Libertador Gral D Jose De San Martin Airport · Posadas, Argentina
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 BOS
- OWD · Norwood Memorial Airport15 mi away
- BED · Laurence G Hanscom Field16 mi away
- BVY · Beverly Municipal Airport16 mi away
- LWM · Lawrence Municipal Airport25 mi away
Near PSS
- ENO · Encarnación Airport14 mi away
- AYO · Juan De Ayolas Airport54 mi away
- SRA · Santa Rosa Airport96 mi away
- ELO · El Dorado Airport110 mi away
Frequently asked questions
How far is BOS from PSS?
The flight distance from Boston (BOS) to Posadas (PSS) is 4,914 miles (7,908 km, 4,270 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOS to PSS?
A nonstop flight takes about 10h 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 time difference between Boston and Posadas?
Posadas is 1 hour ahead of Boston.
What is the cheapest way to fly from BOS to PSS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOS–PSS that never appear on search engines, with no booking fees.