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PSS to STL: distance & flight time

Posadas (Libertador Gral D Jose De San Martin Airport) → St. Louis (St Louis Lambert International Airport)

5,081 mi
8,176 km · 4,415 nm
10h 26m
estimated nonstop flight time
-2h
time difference · heading northwest
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Flight time details

5,081 miles nonstop takes roughly 10h 26m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is PSS from STL?

The flight distance from Posadas (PSS) to St. Louis (STL) is 5,081 miles (8,176 km, 4,415 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from PSS to STL?

A nonstop flight takes about 10h 26m 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 Posadas and St. Louis?

St. Louis is 2 hours behind Posadas.

What is the cheapest way to fly from PSS to STL?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSS–STL that never appear on search engines, with no booking fees.
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