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PSS to LWS: distance & flight time
Posadas (Libertador Gral D Jose De San Martin Airport) → Lewiston (Lewiston Nez Perce County Airport)
6,362 mi
10,239 km · 5,529 nm
12h 57m
estimated nonstop flight time
-4h
time difference · heading northwest
See live PSS→LWS fares Phone-only fares on this route — call free
Flight time details
6,362 miles nonstop takes roughly 12h 57m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time set-back when reading arrival times on your ticket.
The two airports
- PSS — Libertador Gral D Jose De San Martin Airport · Posadas, Argentina
- LWS — Lewiston Nez Perce County Airport · Lewiston, 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 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
Near LWS
- PUW · Pullman Moscow Regional Airport26 mi away
- ALW · Walla Walla Regional Airport64 mi away
- GEG · Spokane International Airport89 mi away
- LGD · La Grande/Union County Airport89 mi away
Frequently asked questions
How far is PSS from LWS?
The flight distance from Posadas (PSS) to Lewiston (LWS) is 6,362 miles (10,239 km, 5,529 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSS to LWS?
A nonstop flight takes about 12h 57m 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 Lewiston?
Lewiston is 4 hours behind Posadas.
What is the cheapest way to fly from PSS to LWS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSS–LWS that never appear on search engines, with no booking fees.