Need help booking?
Unpublished phone-only deals available
PSS to CYS: distance & flight time
Posadas (Libertador Gral D Jose De San Martin Airport) → Cheyenne (Cheyenne Regional Jerry Olson Field)
5,673 mi
9,130 km · 4,930 nm
11h 35m
estimated nonstop flight time
-3h
time difference · heading northwest
See live PSS→CYS fares Phone-only fares on this route — call free
Flight time details
5,673 miles nonstop takes roughly 11h 35m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-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
- CYS — Cheyenne Regional Jerry Olson Field · Cheyenne, 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 CYS
- LAR · Laramie Regional Airport46 mi away
- DEN · Denver International Airport90 mi away
- FNL · Northern Colorado Regional Airport50 mi away
- GXY · Greeley–Weld County Airport51 mi away
Frequently asked questions
How far is PSS from CYS?
The flight distance from Posadas (PSS) to Cheyenne (CYS) is 5,673 miles (9,130 km, 4,930 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSS to CYS?
A nonstop flight takes about 11h 35m 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 Cheyenne?
Cheyenne is 3 hours behind Posadas.
What is the cheapest way to fly from PSS to CYS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSS–CYS that never appear on search engines, with no booking fees.