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ISN to PTJ: distance & flight time
Williston (Sloulin Field International Airport) → Portland (Portland Airport)
9,191 mi
14,791 km · 7,986 nm
18h 29m
estimated nonstop flight time
+15h
time difference · heading west
See live ISN→PTJ fares Phone-only fares on this route — call free
Flight time details
9,191 miles nonstop takes roughly 18h 29m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- PTJ — Portland Airport · Portland, Australia
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 PTJ
- WMB · Warrnambool Airport53 mi away
- MGB · Mount Gambier Airport54 mi away
- HLT · Hamilton Airport56 mi away
- NAC · Naracoorte Airport101 mi away
Frequently asked questions
How far is ISN from PTJ?
The flight distance from Williston (ISN) to Portland (PTJ) is 9,191 miles (14,791 km, 7,986 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to PTJ?
A nonstop flight takes about 18h 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 Williston and Portland?
Portland is 15 hours ahead of Williston.
What is the cheapest way to fly from ISN to PTJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–PTJ that never appear on search engines, with no booking fees.