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ISN to LTS: distance & flight time
Williston (Sloulin Field International Airport) → Altus (Altus Air Force Base)
960 mi
1,545 km · 834 nm
2h 33m
estimated nonstop flight time
Same time
time difference · heading south
See live ISN→LTS fares Phone-only fares on this route — call free
Flight time details
960 miles nonstop takes roughly 2h 33m 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
- LTS — Altus Air Force Base · Altus, 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 LTS
- HBR · Hobart Regional Airport26 mi away
- CSM · Clinton Sherman Airport47 mi away
- FSI · Henry Post Army Air Field (Fort Sill)49 mi away
- LAW · Lawton Fort Sill Regional Airport49 mi away
Frequently asked questions
How far is ISN from LTS?
The flight distance from Williston (ISN) to Altus (LTS) is 960 miles (1,545 km, 834 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to LTS?
A nonstop flight takes about 2h 33m 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 LTS?
Nonstop service on ISN–LTS 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 2h 33m nonstop estimate.
What is the cheapest way to fly from ISN to LTS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–LTS that never appear on search engines, with no booking fees.
Why are some ISN to LTS fares phone-only?
Consolidator contracts let us sell certain ISN–LTS 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.