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ISN to ALI: distance & flight time
Williston (Sloulin Field International Airport) → Alice (Alice International Airport)
1,444 mi
2,324 km · 1,255 nm
3h 36m
estimated nonstop flight time
Same time
time difference · heading south
See live ISN→ALI fares Phone-only fares on this route — call free
Flight time details
1,444 miles nonstop takes roughly 3h 36m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- ALI — Alice International Airport · Alice, 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 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 ALI
- NQI · Kingsville Naval Air Station21 mi away
- CRP · Corpus Christi International Airport32 mi away
- RKP · Aransas County Airport65 mi away
- COT · Cotulla-La Salle County Airport88 mi away
Frequently asked questions
How far is ISN from ALI?
The flight distance from Williston (ISN) to Alice (ALI) is 1,444 miles (2,324 km, 1,255 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to ALI?
A nonstop flight takes about 3h 36m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from ISN to ALI?
Nonstop service on ISN–ALI depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 3h 36m nonstop estimate.
What is the cheapest way to fly from ISN to ALI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–ALI that never appear on search engines, with no booking fees.
Why are some ISN to ALI fares phone-only?
Consolidator contracts let us sell certain ISN–ALI tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.