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LWT to PSS: distance & flight time
Lewistown (Lewistown Municipal Airport) → Posadas (Libertador Gral D Jose De San Martin Airport)
6,126 mi
9,860 km · 5,324 nm
12h 29m
estimated nonstop flight time
+3h
time difference · heading southeast
See live LWT→PSS fares Phone-only fares on this route — call free
Flight time details
6,126 miles nonstop takes roughly 12h 29m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- LWT — Lewistown Municipal Airport · Lewistown, 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 LWT
- GTF · Great Falls International Airport94 mi away
- BIL · Billings Logan International Airport96 mi away
- HVR · Havre City County Airport104 mi away
- LVM · Mission Field104 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 LWT from PSS?
The flight distance from Lewistown (LWT) to Posadas (PSS) is 6,126 miles (9,860 km, 5,324 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LWT to PSS?
A nonstop flight takes about 12h 29m 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 Lewistown and Posadas?
Posadas is 3 hours ahead of Lewistown.
What is the cheapest way to fly from LWT to PSS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LWT–PSS that never appear on search engines, with no booking fees.