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BWI to PSS: distance & flight time
Baltimore (Baltimore/Washington International Thurgood Marshall Airport) → Posadas (Libertador Gral D Jose De San Martin Airport)
4,789 mi
7,707 km · 4,161 nm
9h 51m
estimated nonstop flight time
+1h
time difference · heading south
See live BWI→PSS fares Phone-only fares on this route — call free
Flight time details
4,789 miles nonstop takes roughly 9h 51m 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
- BWI — Baltimore/Washington International Thurgood Marshall Airport · Baltimore, 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 BWI
- DCA · Ronald Reagan Washington National Airport30 mi away
- IAD · Washington Dulles International Airport45 mi away
- FME · Tipton Airport8 mi away
- ANP · Lee Airport17 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 BWI from PSS?
The flight distance from Baltimore (BWI) to Posadas (PSS) is 4,789 miles (7,707 km, 4,161 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BWI to PSS?
A nonstop flight takes about 9h 51m 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 Baltimore and Posadas?
Posadas is 1 hour ahead of Baltimore.
What is the cheapest way to fly from BWI to PSS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BWI–PSS that never appear on search engines, with no booking fees.