Need help booking?
Unpublished phone-only deals available
GCI to PSS: distance & flight time
Guernsey (Guernsey Airport) → Posadas (Libertador Gral D Jose De San Martin Airport)
6,238 mi
10,039 km · 5,421 nm
12h 42m
estimated nonstop flight time
-4h
time difference · heading southwest
See live GCI→PSS fares Phone-only fares on this route — call free
Flight time details
6,238 miles nonstop takes roughly 12h 42m gate to gate, flying southwest. 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
- GCI — Guernsey Airport · Guernsey, Guernsey
- 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 GCI
- JER · Jersey Airport24 mi away
- ACI · Alderney Airport26 mi away
- CER · Cherbourg-Maupertus Airport53 mi away
- GFR · Granville Airport60 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 GCI from PSS?
The flight distance from Guernsey (GCI) to Posadas (PSS) is 6,238 miles (10,039 km, 5,421 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GCI to PSS?
A nonstop flight takes about 12h 42m 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 Guernsey and Posadas?
Posadas is 4 hours behind Guernsey.
What is the cheapest way to fly from GCI to PSS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GCI–PSS that never appear on search engines, with no booking fees.