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ISN to ASU: distance & flight time
Williston (Sloulin Field International Airport) → Asuncion (Silvio Pettirossi International Airport)
5,821 mi
9,368 km · 5,058 nm
11h 53m
estimated nonstop flight time
+2h
time difference · heading southeast
See live ISN→ASU fares Phone-only fares on this route — call free
Flight time details
5,821 miles nonstop takes roughly 11h 53m 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
- ISN — Sloulin Field International Airport · Williston, United States
- ASU — Silvio Pettirossi International Airport · Asuncion, Paraguay
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 ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Near ASU
- FMA · Formosa Airport80 mi away
- CIO · Teniente Col Carmelo Peralta Airport124 mi away
- PIL · Carlos Miguel Gimenez Airport124 mi away
Frequently asked questions
How far is ISN from ASU?
The flight distance from Williston (ISN) to Asuncion (ASU) is 5,821 miles (9,368 km, 5,058 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to ASU?
A nonstop flight takes about 11h 53m 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 Williston and Asuncion?
Asuncion is 2 hours ahead of Williston.
What is the cheapest way to fly from ISN to ASU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–ASU that never appear on search engines, with no booking fees.