Need help booking?
Unpublished phone-only deals available
CMI to PSS: distance & flight time
Champaign (University of Illinois Willard Airport) → Posadas (Libertador Gral D Jose De San Martin Airport)
5,100 mi
8,208 km · 4,432 nm
10h 28m
estimated nonstop flight time
+2h
time difference · heading southeast
See live CMI→PSS fares Phone-only fares on this route — call free
Flight time details
5,100 miles nonstop takes roughly 10h 28m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- CMI — University of Illinois Willard Airport · Champaign, 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 CMI
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 CMI from PSS?
The flight distance from Champaign (CMI) to Posadas (PSS) is 5,100 miles (8,208 km, 4,432 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMI to PSS?
A nonstop flight takes about 10h 28m 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 Champaign and Posadas?
Posadas is 2 hours ahead of Champaign.
What is the cheapest way to fly from CMI to PSS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMI–PSS that never appear on search engines, with no booking fees.