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XSI to LTS: distance & flight time
South Indian Lake (South Indian Lake Airport) → Altus (Altus Air Force Base)
1,529 mi
2,460 km · 1,329 nm
3h 28m
estimated nonstop flight time
Same time
time difference · heading south
See live XSI→LTS fares Phone-only fares on this route — call free
Flight time details
1,529 miles nonstop takes roughly 3h 28m 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
- XSI — South Indian Lake Airport · South Indian Lake, Canada
- 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 XSI
- YLR · Leaf Rapids Airport45 mi away
- YTH · Thompson Airport79 mi away
- YYL · Lynn Lake Airport82 mi away
- KES · Kelsey Airport105 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 XSI from LTS?
The flight distance from South Indian Lake (XSI) to Altus (LTS) is 1,529 miles (2,460 km, 1,329 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from XSI to LTS?
A nonstop flight takes about 3h 28m 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 XSI to LTS?
Nonstop service on XSI–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 3h 28m nonstop estimate.
What is the cheapest way to fly from XSI to LTS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on XSI–LTS that never appear on search engines, with no booking fees.
Why are some XSI to LTS fares phone-only?
Consolidator contracts let us sell certain XSI–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.