Need help booking?
Unpublished phone-only deals available
ISN to ALG: distance & flight time
Williston (Sloulin Field International Airport) → Algier (Houari Boumediene Airport)
5,053 mi
8,132 km · 4,391 nm
10h 22m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ISN→ALG fares Phone-only fares on this route — call free
Flight time details
5,053 miles nonstop takes roughly 10h 22m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- ALG — Houari Boumediene Airport · Algier, Algeria
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 ALG
- QLD · Blida Airport26 mi away
- BJA · Soummam Airport103 mi away
- BUJ · Bou Saada Airport109 mi away
- CFK · Ech Cheliff Airport110 mi away
Frequently asked questions
How far is ISN from ALG?
The flight distance from Williston (ISN) to Algier (ALG) is 5,053 miles (8,132 km, 4,391 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to ALG?
A nonstop flight takes about 10h 22m 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 Algier?
Algier is 6 hours ahead of Williston.
What is the cheapest way to fly from ISN to ALG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–ALG that never appear on search engines, with no booking fees.